feat(dbml): @postgres/@sqlite dialect directives (#19)

Add parseable `@<namespace>[(<target>)]: <args>` directives embedded in DBML.
They are stored losslessly on each object's Metadata, round-trip unchanged
through the DBML writer, and are translated to SQL only by the writer for the
matching dialect.

- models: Directive type + catalog; Metadata map added to Column and Index
- dbml reader: parse and attach directives at database/table/column/index
  level; line-numbered errors; repeatable by default with singleton duplicate
  detection. Fixes a preexisting bug where an `indexes {}` closing brace ended
  the table early, dropping trailing Note: and directive lines.
- dbml writer: re-emit directives at their location; idempotent output
- pgsql writer: PARTITION BY / INHERITS / WITH / TABLESPACE (table),
  STORAGE / COMPRESSION / identity (column), WITH / TABLESPACE (index)
- sqlite writer: WITHOUT ROWID / STRICT (table), COLLATE (column)
- --strict-directives flag on ReaderOptions and WriterOptions
- docs/DBML_DIRECTIVES.md + reader/writer READMEs

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ss2MY5J11cRGwEz86ZXk7d

.gitea/workflows/release.yml

@@ -20,12 +20,34 @@ jobs:
         with:
           go-version-file: go.mod
 
+      - name: go vet
+        run: go vet ./...
+
+      - name: Install lint tools
+        run: |
+          go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
+          go install honnef.co/go/tools/cmd/staticcheck@latest
+          go install golang.org/x/vuln/cmd/govulncheck@latest
+          echo "$(go env GOPATH)/bin" >> "$GITHUB_PATH"
+
+      - name: gofumpt (golangci-lint fmt)
+        run: |
+          diff=$(golangci-lint fmt --diff)
+          if [ -n "$diff" ]; then
+            echo "$diff"
+            echo "Formatting issues found. Run: make fmt"
+            exit 1
+          fi
+
+      - name: staticcheck
+        run: staticcheck ./...
+
+      - name: govulncheck
+        run: govulncheck ./...
+
       - name: Test
         run: go test ./...
 
-      - name: Lint
-        run: go vet ./...
-
   release:
     needs: test
     runs-on: ubuntu-latest

.golangci.json

@@ -1,7 +1,7 @@
 {
   "formatters": {
     "enable": [
-      "gofmt",
+      "gofumpt",
       "goimports"
     ],
     "exclusions": {
@@ -13,8 +13,10 @@
       ]
     },
     "settings": {
-      "gofmt": {
-        "simplify": true
+      "gofumpt": {
+        "extra": {
+          "group-params": true
+        }
       },
       "goimports": {
         "local-prefixes": [

Makefile

@@ -1,4 +1,4 @@
-.PHONY: all build test test-unit test-integration lint coverage clean install help docker-up docker-down docker-test docker-test-integration start stop release release-version godoc
+.PHONY: all build test test-unit test-integration lint coverage clean install help docker-up docker-down docker-test docker-test-integration start stop release release-version godoc vet fmt fmt-check staticcheck govulncheck check
 
 # Binary name
 BINARY_NAME=relspec
@@ -14,6 +14,11 @@ GOGET=$(GOCMD) get
 GOMOD=$(GOCMD) mod
 GOCLEAN=$(GOCMD) clean
 
+# Tool versions (compiled on demand via `go run` so they match the local toolchain)
+GOLANGCI_LINT = go run github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
+STATICCHECK   = go run honnef.co/go/tools/cmd/staticcheck@latest
+GOVULNCHECK   = go run golang.org/x/vuln/cmd/govulncheck@latest
+
 # Version information
 VERSION := $(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
 BUILD_DATE := $(shell date -u +"%Y-%m-%d %H:%M:%S UTC")
@@ -41,6 +46,29 @@ COMPOSE_CMD := $(shell \
 
 all: lint test build ## Run linting, tests, and build
 
+check: vet fmt-check staticcheck govulncheck ## Run vet, gofumpt check, staticcheck, and govulncheck
+
+vet: ## Run go vet
+	@echo "Running go vet..."
+	$(GOCMD) vet ./...
+
+fmt: ## Format code (gofumpt + goimports via golangci-lint)
+	@echo "Formatting..."
+	$(GOLANGCI_LINT) fmt --config=.golangci.json
+
+fmt-check: ## Check formatting (gofumpt + goimports via golangci-lint)
+	@echo "Checking formatting..."
+	@diff=$$($(GOLANGCI_LINT) fmt --diff --config=.golangci.json); \
+	if [ -n "$$diff" ]; then echo "$$diff"; echo "Run: make fmt"; exit 1; fi
+
+staticcheck: ## Run staticcheck
+	@echo "Running staticcheck..."
+	$(STATICCHECK) ./...
+
+govulncheck: ## Run govulncheck
+	@echo "Running govulncheck..."
+	$(GOVULNCHECK) ./...
+
 build: deps ## Build the binary
 	@echo "Building $(BINARY_NAME) $(VERSION)..."
 	@mkdir -p $(BUILD_DIR)

cmd/relspec/convert_from_list_test.go

@@ -46,7 +46,7 @@ func TestReadDatabaseListForConvert_MultipleFiles(t *testing.T) {
 
 func TestReadDatabaseListForConvert_PathWithSpaces(t *testing.T) {
 	spacedDir := filepath.Join(t.TempDir(), "my schema files")
-	if err := os.MkdirAll(spacedDir, 0755); err != nil {
+	if err := os.MkdirAll(spacedDir, 0o755); err != nil {
 		t.Fatal(err)
 	}
 	file := filepath.Join(spacedDir, "my users schema.json")
@@ -63,7 +63,7 @@ func TestReadDatabaseListForConvert_PathWithSpaces(t *testing.T) {
 
 func TestReadDatabaseListForConvert_MultipleFilesPathWithSpaces(t *testing.T) {
 	spacedDir := filepath.Join(t.TempDir(), "my schema files")
-	if err := os.MkdirAll(spacedDir, 0755); err != nil {
+	if err := os.MkdirAll(spacedDir, 0o755); err != nil {
 		t.Fatal(err)
 	}
 	file1 := filepath.Join(spacedDir, "users schema.json")
@@ -154,7 +154,7 @@ func TestRunConvert_FromListEndToEndPathWithSpaces(t *testing.T) {
 	defer restoreConvertState(saved)
 
 	spacedDir := filepath.Join(t.TempDir(), "my schema dir")
-	if err := os.MkdirAll(spacedDir, 0755); err != nil {
+	if err := os.MkdirAll(spacedDir, 0o755); err != nil {
 		t.Fatal(err)
 	}
 	file1 := filepath.Join(spacedDir, "users schema.json")

cmd/relspec/inspect.go

@@ -193,7 +193,7 @@ func runInspect(cmd *cobra.Command, args []string) error {
 
 	// Write output
 	if inspectOutputPath != "" {
-		err = os.WriteFile(inspectOutputPath, []byte(formattedReport), 0644)
+		err = os.WriteFile(inspectOutputPath, []byte(formattedReport), 0o644)
 		if err != nil {
 			return fmt.Errorf("failed to write output file: %w", err)
 		}

cmd/relspec/job.go

@@ -16,7 +16,9 @@ import (
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/readers"
 	"git.warky.dev/wdevs/relspecgo/pkg/readers/sqldir"
+	"git.warky.dev/wdevs/relspecgo/pkg/writers"
 	wpgsql "git.warky.dev/wdevs/relspecgo/pkg/writers/pgsql"
+	wtemplate "git.warky.dev/wdevs/relspecgo/pkg/writers/template"
 )
 
 var (
@@ -54,7 +56,7 @@ inputs, output and options:
       logfile: .relspec/log/build-schema.log
 
 Rules and guarantees:
-  - command is a closed allow-list (convert, merge, scripts-list). Arbitrary
+  - command is a closed allow-list (convert, merge, scripts-list, templ). Arbitrary
     shell strings are never executed.
   - Every path is relative to the directory holding the job file and may not
     escape it. Absolute and home-relative paths are rejected.
@@ -215,6 +217,7 @@ type resolvedJob struct {
 	outputConn    string // resolved connection string (secret)
 	outputConnEnv string
 	logPath       string
+	templatePath  string
 	secrets       []string // resolved secret values to redact from logs
 }
 
@@ -236,6 +239,17 @@ func preflightJob(j *jobs.Job) (*resolvedJob, error) {
 		}
 		rj.logPath = p
 	}
+	if j.Template != "" {
+		p, err := jobs.SafeJoin(root, j.Template)
+		if err != nil {
+			return nil, fmt.Errorf("template: %w", err)
+		}
+		info, err := os.Stat(p)
+		if err != nil || info.IsDir() {
+			return nil, fmt.Errorf("template %q: not found or is a directory", j.Template)
+		}
+		rj.templatePath = p
+	}
 
 	for i, in := range j.Inputs {
 		ri := resolvedInput{format: strings.ToLower(in.Format)}
@@ -348,6 +362,8 @@ func executeResolvedJob(rj *resolvedJob) (err error) {
 		err = runMergeJob(rj, lg)
 	case jobs.CommandScriptsList:
 		err = runScriptsListJob(rj, lg)
+	case jobs.CommandTempl:
+		err = runTemplJob(rj, lg)
 	default:
 		err = fmt.Errorf("unsupported command %q", rj.job.Command)
 	}
@@ -359,6 +375,50 @@ func executeResolvedJob(rj *resolvedJob) (err error) {
 	return err
 }
 
+func runTemplJob(rj *resolvedJob, lg *jobLogger) error {
+	db, err := readJobInputs(rj, lg)
+	if err != nil {
+		return err
+	}
+	if schema := rj.job.Options.Schema; schema != "" {
+		found := false
+		for _, s := range db.Schemas {
+			if s.Name == schema {
+				db.Schemas = []*models.Schema{s}
+				found = true
+				break
+			}
+		}
+		if !found {
+			return fmt.Errorf("schema not found: %s", schema)
+		}
+	}
+	mode := rj.job.Mode
+	if mode == "" {
+		mode = "database"
+	}
+	pattern := rj.job.FilenamePattern
+	if pattern == "" {
+		pattern = "{{.Name}}.txt"
+	}
+	writer, err := wtemplate.NewWriter(&writers.WriterOptions{
+		OutputPath: rj.outputPath,
+		Metadata: map[string]interface{}{
+			"template_path":    rj.templatePath,
+			"mode":             mode,
+			"filename_pattern": pattern,
+		},
+	})
+	if err != nil {
+		return fmt.Errorf("create template writer: %w", err)
+	}
+	lg.logf("applying template: %s (mode %s)", rj.templatePath, mode)
+	if err := writer.WriteDatabase(db); err != nil {
+		return fmt.Errorf("execute template: %w", err)
+	}
+	return nil
+}
+
 func runConvertJob(rj *resolvedJob, lg *jobLogger) error {
 	db, err := readJobInputs(rj, lg)
 	if err != nil {

cmd/relspec/job_test.go

@@ -375,3 +375,30 @@ jobs:
 		t.Fatal("job list output not deterministic")
 	}
 }
+
+func TestJobRun_TemplDatabaseMode(t *testing.T) {
+	dir := jobFixture(t, `version: 1
+jobs:
+  docs:
+    command: templ
+    inputs:
+      - path: schema/core.dbml
+        format: dbml
+    template: templates/schema.tmpl
+    output:
+      path: build/schema.txt
+      overwrite: true
+`)
+	writeFile(t, filepath.Join(dir, "templates", "schema.tmpl"), "{{range .Database.Schemas}}{{range .Tables}}{{.Name}} {{end}}{{end}}")
+	set := mustLoadSet(t, filepath.Join(dir, "relspec.yml"))
+	if err := executeJobPlan(set, "docs", false, false, &bytes.Buffer{}); err != nil {
+		t.Fatalf("execute templ job: %v", err)
+	}
+	out, err := os.ReadFile(filepath.Join(dir, "build", "schema.txt"))
+	if err != nil {
+		t.Fatalf("read templ output: %v", err)
+	}
+	if !strings.Contains(string(out), "users") {
+		t.Fatalf("templ output missing users table: %s", out)
+	}
+}

cmd/relspec/merge.go

@@ -158,9 +158,7 @@ func runMerge(cmd *cobra.Command, args []string) error {
 		}
 		mergeTargetPath = expandPath(mergeTargetPath)
 	} else if mergeTargetConn == "" {
-
 		return fmt.Errorf("--target-conn is required for pgsql format")
-
 	}
 
 	if mergeSourceType != "pgsql" {

cmd/relspec/merge_from_list_test.go

@@ -105,7 +105,7 @@ func TestRunMerge_FromListPathWithSpaces(t *testing.T) {
 	defer restoreMergeState(saved)
 
 	spacedDir := filepath.Join(t.TempDir(), "my schema files")
-	if err := os.MkdirAll(spacedDir, 0755); err != nil {
+	if err := os.MkdirAll(spacedDir, 0o755); err != nil {
 		t.Fatal(err)
 	}
 	targetFile := filepath.Join(spacedDir, "target schema.json")

cmd/relspec/prisma_options.go

@@ -10,17 +10,19 @@ func newReaderOptions(filePath, connString string) *readers.ReaderOptions {
 		FilePath:         filePath,
 		ConnectionString: connString,
 		Prisma7:          prisma7,
+		StrictDirectives: strictDirectives,
 	}
 }
 
 func newWriterOptions(outputPath, packageName string, flattenSchema bool, nullableTypes, nullableArrays string, continueOnError bool) *writers.WriterOptions {
 	return &writers.WriterOptions{
-		OutputPath:      outputPath,
-		PackageName:     packageName,
-		FlattenSchema:   flattenSchema,
-		NullableTypes:   nullableTypes,
-		NullableArrays:  nullableArrays,
-		Prisma7:         prisma7,
-		ContinueOnError: continueOnError,
+		OutputPath:       outputPath,
+		PackageName:      packageName,
+		FlattenSchema:    flattenSchema,
+		NullableTypes:    nullableTypes,
+		NullableArrays:   nullableArrays,
+		Prisma7:          prisma7,
+		ContinueOnError:  continueOnError,
+		StrictDirectives: strictDirectives,
 	}
 }

cmd/relspec/root.go

@@ -10,10 +10,11 @@ import (
 
 var (
 	// Version information, set via ldflags during build
-	version   = "dev"
-	buildDate = "unknown"
-	prisma7   bool
-	noVersion bool
+	version          = "dev"
+	buildDate        = "unknown"
+	prisma7          bool
+	noVersion        bool
+	strictDirectives bool
 )
 
 func init() {
@@ -72,6 +73,7 @@ func init() {
 	rootCmd.AddCommand(reportCmd)
 	rootCmd.PersistentFlags().BoolVar(&prisma7, "prisma7", false, "Use Prisma 7 generator conventions when reading/writing Prisma schemas")
 	rootCmd.PersistentFlags().BoolVar(&noVersion, "no-version", false, "Suppress the RelSpec version header")
+	rootCmd.PersistentFlags().BoolVar(&strictDirectives, "strict-directives", false, "Fail on unknown or untranslatable DBML dialect directives (@postgres:, @sqlite:, …)")
 }
 
 // printVersionHeader prints the "RelSpec <version> (built: <date>)" banner

cmd/relspec/templ_from_list_test.go

@@ -10,7 +10,7 @@ import (
 func writeTestTemplate(t *testing.T, path string) {
 	t.Helper()
 	content := []byte(`{{.Name}}`)
-	if err := os.WriteFile(path, content, 0644); err != nil {
+	if err := os.WriteFile(path, content, 0o644); err != nil {
 		t.Fatalf("failed to write template file %s: %v", path, err)
 	}
 }
@@ -104,7 +104,7 @@ func TestRunTempl_FromListPathWithSpaces(t *testing.T) {
 	defer restoreTemplState(saved)
 
 	spacedDir := filepath.Join(t.TempDir(), "my schema files")
-	if err := os.MkdirAll(spacedDir, 0755); err != nil {
+	if err := os.MkdirAll(spacedDir, 0o755); err != nil {
 		t.Fatal(err)
 	}
 	file1 := filepath.Join(spacedDir, "users schema.json")

cmd/relspec/testhelpers_test.go

@@ -66,7 +66,7 @@ func writeTestJSON(t *testing.T, path string, tableNames []string) {
 	if err != nil {
 		t.Fatalf("failed to marshal test JSON: %v", err)
 	}
-	if err := os.WriteFile(path, data, 0644); err != nil {
+	if err := os.WriteFile(path, data, 0o644); err != nil {
 		t.Fatalf("failed to write test file %s: %v", path, err)
 	}
 }
@@ -100,7 +100,7 @@ func writeTestJSONWithSingleColumnType(t *testing.T, path, tableName, columnType
 	if err != nil {
 		t.Fatalf("failed to marshal test JSON: %v", err)
 	}
-	if err := os.WriteFile(path, data, 0644); err != nil {
+	if err := os.WriteFile(path, data, 0o644); err != nil {
 		t.Fatalf("failed to write test file %s: %v", path, err)
 	}
 }

docs/DBML_DIRECTIVES.md

@@ -0,0 +1,115 @@
+# DBML Dialect Directives
+
+DBML has no dialect-neutral way to express database-specific features such as
+PostgreSQL table partitioning or SQLite `WITHOUT ROWID`. RelSpec adds **dialect
+directives** — explicit, parseable lines embedded in a `.dbml` file that are:
+
+- stored losslessly in the intermediate model (under each object's `Metadata`),
+- preserved unchanged through a `DBML → model → DBML` round-trip,
+- translated to SQL **only** by the writer for the matching dialect
+  (`@postgres:` clauses appear in PostgreSQL output, never in SQLite output, and
+  vice-versa).
+
+## Grammar
+
+A directive is a single line, matched on its trimmed content:
+
+```
+@<namespace>[(<target>)]: <args>
+```
+
+| Part | Rules |
+|------|-------|
+| `namespace` | `^[a-z][a-z0-9_]*$` — e.g. `postgres`, `sqlite`. Future dialects allowed. |
+| `(target)` | Optional. A **column name** only, valid only on a directive line inside a table body. Bare or single/double quoted. |
+| `args` | Everything after the first `:`, trimmed. Otherwise preserved **verbatim**. Must be non-empty. |
+
+The **key** of a directive is derived: the lowercased first whitespace-delimited
+token of `args` (`partition by RANGE (created_at)` → `partition`). It drives
+duplicate detection and writer dispatch.
+
+## Location
+
+Where the line appears determines which object it attaches to:
+
+| Position in the file | Attaches to |
+|----------------------|-------------|
+| Before the first `Table {` | database (`db.Metadata`) |
+| Table body, no `(target)` | that table |
+| Table body, `(col)` target | column `col` of that table (error if `col` is unknown) |
+| Inside an `indexes { }` block | the **most recently listed** index entry in that block; `(target)` is not allowed |
+
+```dbml
+@postgres: search_path myapp          -- database
+
+Table myapp.events {
+  id bigint [pk]
+  created_at timestamp [not null]
+  @postgres(id): identity always      -- column "id"
+  @postgres: partition by RANGE (created_at)   -- table
+  @postgres: tablespace fast_data              -- table
+  @sqlite: without rowid                        -- table
+
+  indexes {
+    (created_at) [name: 'idx_events_created']
+    @postgres: with (fillfactor=90)   -- index "idx_events_created"
+    @postgres: tablespace idx_space    -- index "idx_events_created"
+  }
+}
+```
+
+## Duplicate policy
+
+- **Repeatable by default** — every directive with the same `(namespace, key)` at
+  one location is kept, in source order.
+- **Singletons** raise a line-numbered error on a second occurrence at the same
+  location. Current singletons: `postgres` `partition`, `tablespace`, `inherits`,
+  `storage`, `compression`, `identity`; `sqlite` `without`, `strict`, `collate`.
+
+## Strict mode
+
+CLI flag `--strict-directives` (also `ReaderOptions.StrictDirectives` /
+`WriterOptions.StrictDirectives`):
+
+- **Reader**: an unknown namespace or key is a hard error. Without strict mode it
+  is stored and preserved silently, and round-trips unchanged.
+- **PostgreSQL / SQLite writer**: a directive for **that** writer's own dialect
+  whose key it cannot translate is a hard error. Without strict mode, translatable
+  keys are emitted and the rest are skipped. Directives for other dialects are
+  always ignored, never emitted.
+
+## Errors
+
+All are line-numbered (`dbml: line N: …`):
+
+- no colon, or empty `args`
+- namespace empty or not matching `[a-z][a-z0-9_]*`
+- `(target)` naming an unknown column, or used at the top level / in an `indexes` block
+- a directive in the catalog used at a location it is not valid for
+- duplicate singleton at the same location
+- (strict mode) unknown `(namespace, key)`
+
+## Supported directive matrix
+
+### `@postgres`
+
+| Key | Locations | SQL emitted | Notes |
+|-----|-----------|-------------|-------|
+| `partition` | table | `PARTITION BY <args>` appended to `CREATE TABLE` | e.g. `@postgres: partition by RANGE (created_at)` |
+| `inherits` | table | `INHERITS (<args>)` — args verbatim | |
+| `with` | table, index | `WITH (<params>)` | On an index, wins over `WITH` derived from the index comment. `@postgres: with (fillfactor=90)` |
+| `tablespace` | table, index | `TABLESPACE <name>` | Emitted after `WITH`, before `WHERE` on indexes |
+| `storage` | column | `STORAGE <mode>` in the column definition | e.g. `@postgres(blob): storage external` |
+| `compression` | column | `COMPRESSION <method>` | |
+| `identity` | column | `identity always` → `GENERATED ALWAYS AS IDENTITY`; `identity default` / `identity by default` → `GENERATED BY DEFAULT AS IDENTITY` | |
+
+### `@sqlite`
+
+| Key | Locations | SQL emitted | Notes |
+|-----|-----------|-------------|-------|
+| `without` | table | `WITHOUT ROWID` table option | `@sqlite: without rowid` |
+| `strict` | table | `STRICT` table option | `WITHOUT ROWID` is emitted before `STRICT` |
+| `collate` | column | ` COLLATE <name>` in the column definition | e.g. `@sqlite(name): collate NOCASE` |
+
+Unknown namespaces and keys not in these tables are still preserved losslessly
+(and round-trip through the DBML writer) whenever strict mode is off.

docs/JOB_FILES.md

@@ -25,9 +25,10 @@ means adding a vetted adapter in the RelSpec source.
 | `convert`      | read one or more input schemas, additively merge them, write one output |
 | `merge`        | like `convert` but requires ≥2 inputs and exposes `skip_*` merge options |
 | `scripts-list` | deterministically list SQL scripts across one or more directories   |
+| `templ`        | apply a custom Go text template to one or more input schemas          |
 
 Deferred (documented, not implemented here): `scripts` execution against a live
-database, `split`, `inspect`, `diff`, `templ`, job-to-job output wiring,
+database, `split`, `inspect`, `diff`, job-to-job output wiring,
 log rotation/retention. Live SQL execution already exists as
 `relspec scripts execute`; wiring it into the job runner is a follow-up because
 it needs live database credentials and cannot be covered by offline tests.
@@ -123,6 +124,9 @@ jobs:
     script_dirs:                               # scripts-list (≥1)
       - migrations/core
       - migrations/tenant
+    template: templates/schema.tmpl             # templ (required)
+    mode: table                                 # templ: database/schema/script/table
+    filename_pattern: "{{.Name}}.go"           # templ multi-output modes
     output:                                    # convert / merge (required)
       format: pgsql
       path: build/schema.sql                   # file output, OR:
@@ -141,6 +145,11 @@ jobs:
     logfile: .relspec/log/<job-name>.log       # optional; appended to
 ```
 
+For `templ`, `inputs` use the same file or `pgsql`/`conn_env` source forms as
+schema conversion. `output` is optional (empty means stdout); when present it
+contains only `path` and `overwrite`, because templates do not select a schema
+writer format.
+
 ### Supported input formats
 
 `dbml`, `dctx`, `drawdb`, `graphql`, `json`, `yaml`, `gorm`, `bun`, `drizzle`,

go.mod

@@ -1,6 +1,6 @@
 module git.warky.dev/wdevs/relspecgo
 
-go 1.25.7
+go 1.25.13
 
 require (
 	github.com/gdamore/tcell/v2 v2.13.9
@@ -12,7 +12,7 @@ require (
 	github.com/stretchr/testify v1.11.1
 	github.com/uptrace/bun v1.2.18
 	github.com/uptrace/bun/dialect/pgdialect v1.2.18
-	golang.org/x/text v0.37.0
+	golang.org/x/text v0.39.0
 	gopkg.in/yaml.v3 v3.0.1
 	modernc.org/sqlite v1.50.1
 )
@@ -42,11 +42,11 @@ require (
 	github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc // indirect
 	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
-	golang.org/x/crypto v0.51.0 // indirect
-	golang.org/x/sync v0.20.0 // indirect
-	golang.org/x/sys v0.44.0 // indirect
-	golang.org/x/term v0.43.0 // indirect
-	golang.org/x/tools v0.45.0 // indirect
+	golang.org/x/crypto v0.53.0 // indirect
+	golang.org/x/net v0.56.0 // indirect
+	golang.org/x/sync v0.21.0 // indirect
+	golang.org/x/sys v0.46.0 // indirect
+	golang.org/x/term v0.44.0 // indirect
 	modernc.org/libc v1.72.3 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect

go.sum

@@ -102,49 +102,49 @@ github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5t
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.51.0 h1:IBPXwPfKxY7cWQZ38ZCIRPI50YLeevDLlLnyC5wRGTI=
-golang.org/x/crypto v0.51.0/go.mod h1:8AdwkbraGNABw2kOX6YFPs3WM22XqI4EXEd8g+x7Oc8=
+golang.org/x/crypto v0.53.0 h1:QZ4Muo8THX6CizN2vPPd5fBGHyogrdK9fG4wLPFUsto=
+golang.org/x/crypto v0.53.0/go.mod h1:DNLU434OwVakk9PzuwV8w62mAJpRJL3vsgcfp4Qnsio=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.36.0 h1:JJjpVx6myfUsUdAzZuOSTTmRE0PfZeNWzzvKrP7amb4=
-golang.org/x/mod v0.36.0/go.mod h1:moc6ELqsWcOw5Ef3xVprK5ul/MvtVvkIXLziUOICjUQ=
+golang.org/x/mod v0.37.0 h1:vF1DjpVEshcIqoEaauuHebaLk1O1forxjxBaVn884JQ=
+golang.org/x/mod v0.37.0/go.mod h1:m8S8VeM9r4dzDwjrKO0a1sZP3YjeMamRRlD+fmR2Q/0=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.54.0 h1:2zJIZAxAHV/OHCDTCOHAYehQzLfSXuf/5SoL/Dv6w/w=
-golang.org/x/net v0.54.0/go.mod h1:Sj4oj8jK6XmHpBZU/zWHw3BV3abl4Kvi+Ut7cQcY+cQ=
+golang.org/x/net v0.56.0 h1:Rw8j/hFzGvJUZwNBXnAtf5sVDVt+65SK2C7IxCxZt5o=
+golang.org/x/net v0.56.0/go.mod h1:D3Ku6r+V6JROoZK144D2XfMHFcMq/0zSfLelVTCFKec=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
-golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sync v0.21.0 h1:HLII4xRRTtCRkxYp4HNFF0Js/Og6q2i++KXbg0gHCwM=
+golang.org/x/sync v0.21.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.44.0 h1:ildZl3J4uzeKP07r2F++Op7E9B29JRUy+a27EibtBTQ=
-golang.org/x/sys v0.44.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=
+golang.org/x/sys v0.46.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
-golang.org/x/term v0.43.0 h1:S4RLU2sB31O/NCl+zFN9Aru9A/Cq2aqKpTZJ6B+DwT4=
-golang.org/x/term v0.43.0/go.mod h1:lrhlHNdQJHO+1qVYiHfFKVuVioJIheAc3fBSMFYEIsk=
+golang.org/x/term v0.44.0 h1:0rLvDRCtNj0gZkyIXhCyOb2OAzEhLVqc4B+hrsBhrmc=
+golang.org/x/term v0.44.0/go.mod h1:7ze4MdzUzLXpSAoFP1H0bOI9aXDqveSvatT5vKcFh2Y=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.37.0 h1:Cqjiwd9eSg8e0QAkyCaQTNHFIIzWtidPahFWR83rTrc=
-golang.org/x/text v0.37.0/go.mod h1:a5sjxXGs9hsn/AJVwuElvCAo9v8QYLzvavO5z2PiM38=
+golang.org/x/text v0.39.0 h1:UbZz4pLOvn600D6Oh6GGEI6VAmndrEBLv8/6BEXzyus=
+golang.org/x/text v0.39.0/go.mod h1:3UwRclnC2g0TU9x8PZiyfOajCd1zaUNHF9cvqcQZ+ZM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.45.0 h1:18qN3FAooORvApf5XjCXgsuayZOEtXf6JK18I3+ONa8=
-golang.org/x/tools v0.45.0/go.mod h1:LuUGqqaXcXMEFEruIVJVm5mgDD8vww/z/SR1gQ4uE/0=
+golang.org/x/tools v0.47.0 h1:7Kn5x/d1svx/PzryTsqeoZN4TZwqeH5pGWjefhLi/1Q=
+golang.org/x/tools v0.47.0/go.mod h1:dFHnyTvFWY212G+h7ZY4Vsp/K3U4/7W9TyVaAul8uCA=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=

pkg/assetloader/loader_test.go

@@ -137,7 +137,10 @@ func TestScanDir_OrdersByPriorityThenSequence(t *testing.T) {
 		t.Fatalf("expected 4 items, got %d", len(items))
 	}
 
-	type ps struct{ p int; s uint }
+	type ps struct {
+		p int
+		s uint
+	}
 	want := []ps{{1, 1}, {1, 2}, {2, 1}, {2, 2}}
 	for i, w := range want {
 		got := ps{items[i].Priority, items[i].Sequence}

pkg/diff/diff.go

@@ -264,7 +264,7 @@ func compareColumnDetails(source, target *models.Column) map[string]any {
 
 // comparableColumn accepts DBML's compact type/default spelling as well as
 // PostgreSQL's normalized fields (for example varchar(255) vs varchar + 255).
-func comparableColumn(column *models.Column) (string, int, any) {
+func comparableColumn(column *models.Column) (normalizedType string, length int, defaultVal any) {
 	typeName := strings.TrimSpace(column.Type)
 	defaultValue := column.Default
 	lower := strings.ToLower(typeName)
@@ -274,7 +274,7 @@ func comparableColumn(column *models.Column) (string, int, any) {
 		}
 		typeName = strings.TrimSpace(typeName[:i])
 	}
-	length := column.Length
+	length = column.Length
 	if open := strings.LastIndex(typeName, "("); open >= 0 && strings.HasSuffix(typeName, ")") {
 		if parsed, err := strconv.Atoi(strings.TrimSpace(typeName[open+1 : len(typeName)-1])); err == nil && length == 0 {
 			length = parsed
@@ -353,9 +353,7 @@ func compareIndexes(source, target map[string]*models.Index) *IndexDiff {
 	}
 
 	for _, key := range sortedKeys(remainingTarget) {
-		for _, index := range remainingTarget[key] {
-			diff.Extra = append(diff.Extra, index)
-		}
+		diff.Extra = append(diff.Extra, remainingTarget[key]...)
 	}
 	return diff
 }

pkg/diff/formatters_test.go

@@ -130,7 +130,6 @@ func TestFormatSummary(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			var buf bytes.Buffer
 			err := formatSummary(tt.result, &buf)
-
 			if err != nil {
 				t.Errorf("formatSummary() error = %v", err)
 				return
@@ -159,7 +158,6 @@ func TestFormatJSON(t *testing.T) {
 
 	var buf bytes.Buffer
 	err := formatJSON(result, &buf)
-
 	if err != nil {
 		t.Errorf("formatJSON() error = %v", err)
 		return
@@ -288,7 +286,6 @@ func TestFormatHTML(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			var buf bytes.Buffer
 			err := formatHTML(tt.result, &buf)
-
 			if err != nil {
 				t.Errorf("formatHTML() error = %v", err)
 				return
@@ -334,7 +331,6 @@ func TestFormatSummaryWithColumns(t *testing.T) {
 
 	var buf bytes.Buffer
 	err := formatSummary(result, &buf)
-
 	if err != nil {
 		t.Errorf("formatSummary() error = %v", err)
 		return
@@ -383,7 +379,6 @@ func TestFormatSummaryWithIndexes(t *testing.T) {
 
 	var buf bytes.Buffer
 	err := formatSummary(result, &buf)
-
 	if err != nil {
 		t.Errorf("formatSummary() error = %v", err)
 		return
@@ -425,7 +420,6 @@ func TestFormatSummaryWithConstraints(t *testing.T) {
 
 	var buf bytes.Buffer
 	err := formatSummary(result, &buf)
-
 	if err != nil {
 		t.Errorf("formatSummary() error = %v", err)
 		return
@@ -448,7 +442,6 @@ func TestFormatJSONIndentation(t *testing.T) {
 
 	var buf bytes.Buffer
 	err := formatJSON(result, &buf)
-
 	if err != nil {
 		t.Errorf("formatJSON() error = %v", err)
 		return

pkg/inspector/inspector.go

@@ -168,7 +168,7 @@ func getValidator(functionName string) (validatorFunc, bool) {
 }
 
 // createResult is a helper to create a validation result
-func createResult(ruleName string, passed bool, message string, location string, context map[string]interface{}) ValidationResult {
+func createResult(ruleName string, passed bool, message, location string, context map[string]interface{}) ValidationResult {
 	return ValidationResult{
 		RuleName: ruleName,
 		Message:  message,

pkg/inspector/inspector_test.go

@@ -29,7 +29,6 @@ func TestInspect(t *testing.T) {
 
 	inspector := NewInspector(db, config)
 	report, err := inspector.Inspect()
-
 	if err != nil {
 		t.Fatalf("Inspect() returned error: %v", err)
 	}
@@ -103,7 +102,6 @@ func TestInspectWithDisabledRules(t *testing.T) {
 
 	inspector := NewInspector(db, config)
 	report, err := inspector.Inspect()
-
 	if err != nil {
 		t.Fatalf("Inspect() with disabled rules returned error: %v", err)
 	}
@@ -135,7 +133,6 @@ func TestInspectWithEnforcedRules(t *testing.T) {
 
 	inspector := NewInspector(db, config)
 	report, err := inspector.Inspect()
-
 	if err != nil {
 		t.Fatalf("Inspect() returned error: %v", err)
 	}

pkg/inspector/report.go

@@ -141,7 +141,7 @@ func (f *MarkdownFormatter) formatHeader(text string) string {
 	return f.formatBold("# " + text)
 }
 
-func (f *MarkdownFormatter) formatSubheader(text string, color string) string {
+func (f *MarkdownFormatter) formatSubheader(text, color string) string {
 	header := "### " + text
 	if f.UseColors {
 		return color + colorBold + header + colorReset
@@ -156,7 +156,7 @@ func (f *MarkdownFormatter) formatBold(text string) string {
 	return "**" + text + "**"
 }
 
-func (f *MarkdownFormatter) colorize(text string, color string) string {
+func (f *MarkdownFormatter) colorize(text, color string) string {
 	if f.UseColors {
 		return color + text + colorReset
 	}

pkg/inspector/rules_test.go

@@ -49,7 +49,6 @@ func TestGetDefaultConfig(t *testing.T) {
 func TestLoadConfig_NonExistentFile(t *testing.T) {
 	// Try to load a non-existent file
 	config, err := LoadConfig("/path/to/nonexistent/file.yaml")
-
 	if err != nil {
 		t.Fatalf("LoadConfig() with non-existent file returned error: %v", err)
 	}
@@ -83,7 +82,7 @@ rules:
     message: "Table name too long"
 `
 
-	err := os.WriteFile(configPath, []byte(configContent), 0644)
+	err := os.WriteFile(configPath, []byte(configContent), 0o644)
 	if err != nil {
 		t.Fatalf("Failed to create test config file: %v", err)
 	}
@@ -133,7 +132,7 @@ func TestLoadConfig_InvalidYAML(t *testing.T) {
 
 	invalidContent := `invalid: yaml: content: {[}]`
 
-	err := os.WriteFile(configPath, []byte(invalidContent), 0644)
+	err := os.WriteFile(configPath, []byte(invalidContent), 0o644)
 	if err != nil {
 		t.Fatalf("Failed to create test config file: %v", err)
 	}

pkg/jobs/jobs.go

@@ -33,10 +33,11 @@ const (
 	CommandConvert     = "convert"      // read one or more schema files, optionally merge, write one output
 	CommandMerge       = "merge"        // additive merge of two or more schema files into one output
 	CommandScriptsList = "scripts-list" // deterministically list SQL scripts across one or more directories
+	CommandTempl       = "templ"        // apply a custom Go text template to one or more schemas
 )
 
 // SupportedCommands lists every accepted command, in help order.
-var SupportedCommands = []string{CommandConvert, CommandMerge, CommandScriptsList}
+var SupportedCommands = []string{CommandConvert, CommandMerge, CommandScriptsList, CommandTempl}
 
 // readerFormats are the file-based input formats a job may declare (path).
 var readerFormats = map[string]bool{
@@ -72,14 +73,17 @@ type Job struct {
 	Name       string `yaml:"-"`
 	SourceFile string `yaml:"-"`
 
-	Command     string   `yaml:"command"`
-	Description string   `yaml:"description"`
-	DependsOn   []string `yaml:"depends_on"`
-	Inputs      []Input  `yaml:"inputs"`
-	ScriptDirs  []string `yaml:"script_dirs"`
-	Output      *Output  `yaml:"output"`
-	Options     Options  `yaml:"options"`
-	Logfile     string   `yaml:"logfile"`
+	Command         string   `yaml:"command"`
+	Description     string   `yaml:"description"`
+	DependsOn       []string `yaml:"depends_on"`
+	Inputs          []Input  `yaml:"inputs"`
+	ScriptDirs      []string `yaml:"script_dirs"`
+	Template        string   `yaml:"template"`
+	Mode            string   `yaml:"mode"`
+	FilenamePattern string   `yaml:"filename_pattern"`
+	Output          *Output  `yaml:"output"`
+	Options         Options  `yaml:"options"`
+	Logfile         string   `yaml:"logfile"`
 }
 
 // Input is one declared input schema.
@@ -258,7 +262,7 @@ func (j *Job) validate() []string {
 	var e []string
 
 	switch j.Command {
-	case CommandConvert, CommandMerge, CommandScriptsList:
+	case CommandConvert, CommandMerge, CommandScriptsList, CommandTempl:
 	case "":
 		e = append(e, "missing command")
 		return e
@@ -277,6 +281,7 @@ func (j *Job) validate() []string {
 		}
 	}
 	checkPath("logfile", j.Logfile)
+	checkPath("template", j.Template)
 	for _, in := range j.Inputs {
 		checkPath("input path", in.Path)
 	}
@@ -317,6 +322,63 @@ func (j *Job) validate() []string {
 		if j.Output != nil {
 			e = append(e, "output is not valid for command \"scripts-list\"")
 		}
+	case CommandTempl:
+		if len(j.Inputs) < 1 {
+			e = append(e, "command \"templ\" requires at least 1 input")
+		}
+		for i, in := range j.Inputs {
+			e = append(e, validateTemplInput(i, in)...)
+		}
+		if j.Template == "" {
+			e = append(e, "command \"templ\" requires template")
+		}
+		mode := strings.ToLower(j.Mode)
+		if mode == "" {
+			mode = "database"
+		}
+		switch mode {
+		case "database", "schema", "script", "table":
+		default:
+			e = append(e, fmt.Sprintf("command \"templ\" has unsupported mode %q (supported: database, schema, script, table)", j.Mode))
+		}
+		if len(j.ScriptDirs) > 0 {
+			e = append(e, "script_dirs is not valid for command \"templ\"")
+		}
+		if j.Output != nil && j.Output.ConnEnv != "" {
+			e = append(e, "command \"templ\" does not support database output")
+		}
+		if j.Output != nil && j.Output.Format != "" {
+			e = append(e, "output.format is not valid for command \"templ\"")
+		}
+	}
+	return e
+}
+
+func validateTemplInput(i int, in Input) []string {
+	var e []string
+	if in.Format == "" {
+		return []string{fmt.Sprintf("input[%d]: missing format", i)}
+	}
+	f := strings.ToLower(in.Format)
+	if f == "pgsql" {
+		if in.ConnEnv == "" {
+			e = append(e, fmt.Sprintf("input[%d]: format %q requires conn_env (an environment variable name)", i, in.Format))
+		}
+		if in.Path != "" {
+			e = append(e, fmt.Sprintf("input[%d]: format %q takes conn_env, not path", i, in.Format))
+		}
+	} else if readerFormats[f] {
+		if in.Path == "" {
+			e = append(e, fmt.Sprintf("input[%d]: missing path", i))
+		}
+		if in.ConnEnv != "" {
+			e = append(e, fmt.Sprintf("input[%d]: format %q does not use conn_env", i, in.Format))
+		}
+	} else {
+		e = append(e, fmt.Sprintf("input[%d]: unsupported templ input format %q", i, in.Format))
+	}
+	if looksLikeSecret(in.ConnEnv) {
+		e = append(e, fmt.Sprintf("input[%d]: conn_env must be an environment variable name, not a connection string", i))
 	}
 	return e
 }

pkg/merge/merge.go

@@ -118,7 +118,7 @@ func (r *MergeResult) mergeSchemaContents(target, source *models.Schema, opts *M
 	}
 }
 
-func (r *MergeResult) mergeTables(schema *models.Schema, source *models.Schema, opts *MergeOptions) {
+func (r *MergeResult) mergeTables(schema, source *models.Schema, opts *MergeOptions) {
 	// Create map of existing tables
 	existingTables := make(map[string]*models.Table)
 	for _, table := range schema.Tables {
@@ -150,7 +150,7 @@ func (r *MergeResult) mergeTables(schema *models.Schema, source *models.Schema,
 	}
 }
 
-func (r *MergeResult) mergeColumns(table *models.Table, srcTable *models.Table) {
+func (r *MergeResult) mergeColumns(table, srcTable *models.Table) {
 	// Create map of existing columns
 	existingColumns := make(map[string]*models.Column)
 	for colName := range table.Columns {
@@ -185,7 +185,7 @@ func (r *MergeResult) mergeColumns(table *models.Table, srcTable *models.Table)
 	}
 }
 
-func (r *MergeResult) mergeConstraints(table *models.Table, srcTable *models.Table) {
+func (r *MergeResult) mergeConstraints(table, srcTable *models.Table) {
 	// Initialize constraints map if nil
 	if table.Constraints == nil {
 		table.Constraints = make(map[string]*models.Constraint)
@@ -208,7 +208,7 @@ func (r *MergeResult) mergeConstraints(table *models.Table, srcTable *models.Tab
 	}
 }
 
-func (r *MergeResult) mergeIndexes(table *models.Table, srcTable *models.Table) {
+func (r *MergeResult) mergeIndexes(table, srcTable *models.Table) {
 	// Initialize indexes map if nil
 	if table.Indexes == nil {
 		table.Indexes = make(map[string]*models.Index)
@@ -231,7 +231,7 @@ func (r *MergeResult) mergeIndexes(table *models.Table, srcTable *models.Table)
 	}
 }
 
-func (r *MergeResult) mergeViews(schema *models.Schema, source *models.Schema) {
+func (r *MergeResult) mergeViews(schema, source *models.Schema) {
 	// Create map of existing views
 	existingViews := make(map[string]*models.View)
 	for _, view := range schema.Views {
@@ -250,7 +250,7 @@ func (r *MergeResult) mergeViews(schema *models.Schema, source *models.Schema) {
 	}
 }
 
-func (r *MergeResult) mergeSequences(schema *models.Schema, source *models.Schema) {
+func (r *MergeResult) mergeSequences(schema, source *models.Schema) {
 	// Create map of existing sequences
 	existingSequences := make(map[string]*models.Sequence)
 	for _, seq := range schema.Sequences {
@@ -269,7 +269,7 @@ func (r *MergeResult) mergeSequences(schema *models.Schema, source *models.Schem
 	}
 }
 
-func (r *MergeResult) mergeEnums(schema *models.Schema, source *models.Schema) {
+func (r *MergeResult) mergeEnums(schema, source *models.Schema) {
 	// Create map of existing enums
 	existingEnums := make(map[string]*models.Enum)
 	for _, enum := range schema.Enums {
@@ -288,7 +288,7 @@ func (r *MergeResult) mergeEnums(schema *models.Schema, source *models.Schema) {
 	}
 }
 
-func (r *MergeResult) mergeRelations(schema *models.Schema, source *models.Schema) {
+func (r *MergeResult) mergeRelations(schema, source *models.Schema) {
 	// Create map of existing relations
 	existingRelations := make(map[string]*models.Relationship)
 	for _, rel := range schema.Relations {
@@ -306,7 +306,7 @@ func (r *MergeResult) mergeRelations(schema *models.Schema, source *models.Schem
 	}
 }
 
-func (r *MergeResult) mergeDomains(target *models.Database, source *models.Database) {
+func (r *MergeResult) mergeDomains(target, source *models.Database) {
 	// Create map of existing domains
 	existingDomains := make(map[string]*models.Domain)
 	for _, domain := range target.Domains {

pkg/models/directives.go

@@ -0,0 +1,237 @@
+package models
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+// Directive is a dialect-specific instruction embedded in a source schema
+// (currently DBML) that is preserved losslessly in the intermediate model and
+// consumed only by the writer for its namespace. Directives are stored in the
+// Metadata map of the object they apply to, under DirectivesMetadataKey.
+//
+// Example DBML: `@postgres: partition by RANGE (created_at)` parses to
+// Directive{Namespace: "postgres", Key: "partition", Args: "partition by RANGE (created_at)"}.
+type Directive struct {
+	// Namespace is the dialect the directive targets, e.g. "postgres" or "sqlite".
+	Namespace string `json:"namespace" yaml:"namespace"`
+	// Key is the lowercased first token of Args, used for duplicate detection
+	// and writer dispatch.
+	Key string `json:"key,omitempty" yaml:"key,omitempty"`
+	// Args is the verbatim argument text following the "@namespace:" prefix.
+	Args string `json:"args" yaml:"args"`
+	// Line is the 1-based source line the directive was read from, when known.
+	Line int `json:"line,omitempty" yaml:"line,omitempty"`
+}
+
+// DirectivesMetadataKey is the Metadata map key under which the ordered list of
+// dialect directives for an object is stored.
+const DirectivesMetadataKey = "directives"
+
+// DirectiveKey derives the Key for a directive from its argument text: the
+// lowercased first whitespace-delimited token.
+func DirectiveKey(args string) string {
+	fields := strings.Fields(args)
+	if len(fields) == 0 {
+		return ""
+	}
+	return strings.ToLower(fields[0])
+}
+
+// AddDirective appends d to the directive list stored in meta. The caller is
+// responsible for ensuring meta is non-nil (all Init* constructors allocate it).
+// If d.Key is empty it is derived from d.Args.
+func AddDirective(meta map[string]any, d Directive) {
+	if meta == nil {
+		return
+	}
+	if d.Key == "" {
+		d.Key = DirectiveKey(d.Args)
+	}
+	existing := GetDirectives(meta)
+	existing = append(existing, d)
+	meta[DirectivesMetadataKey] = existing
+}
+
+// GetDirectives returns the directives stored in meta, sorted deterministically
+// by (Namespace, Line, Args). It tolerates both a freshly built []Directive and
+// the []any of map[string]any produced by a JSON/YAML round-trip.
+func GetDirectives(meta map[string]any) []Directive {
+	if meta == nil {
+		return nil
+	}
+	raw, ok := meta[DirectivesMetadataKey]
+	if !ok || raw == nil {
+		return nil
+	}
+
+	var out []Directive
+	switch v := raw.(type) {
+	case []Directive:
+		out = append(out, v...)
+	case []any:
+		for _, item := range v {
+			if d, ok := directiveFromAny(item); ok {
+				out = append(out, d)
+			}
+		}
+	}
+
+	sort.SliceStable(out, func(i, j int) bool {
+		if out[i].Namespace != out[j].Namespace {
+			return out[i].Namespace < out[j].Namespace
+		}
+		if out[i].Line != out[j].Line {
+			return out[i].Line < out[j].Line
+		}
+		return out[i].Args < out[j].Args
+	})
+	return out
+}
+
+// directiveFromAny decodes a single directive from the loosely typed forms that
+// survive a JSON or YAML round-trip (map[string]any / map[any]any).
+func directiveFromAny(item any) (Directive, bool) {
+	switch m := item.(type) {
+	case Directive:
+		return m, true
+	case map[string]any:
+		return directiveFromStringMap(m), true
+	case map[any]any:
+		sm := make(map[string]any, len(m))
+		for k, val := range m {
+			if ks, ok := k.(string); ok {
+				sm[ks] = val
+			}
+		}
+		return directiveFromStringMap(sm), true
+	}
+	return Directive{}, false
+}
+
+func directiveFromStringMap(m map[string]any) Directive {
+	d := Directive{}
+	if s, ok := m["namespace"].(string); ok {
+		d.Namespace = s
+	}
+	if s, ok := m["key"].(string); ok {
+		d.Key = s
+	}
+	if s, ok := m["args"].(string); ok {
+		d.Args = s
+	}
+	switch n := m["line"].(type) {
+	case int:
+		d.Line = n
+	case int64:
+		d.Line = int(n)
+	case float64:
+		d.Line = int(n)
+	}
+	if d.Key == "" {
+		d.Key = DirectiveKey(d.Args)
+	}
+	return d
+}
+
+// DirectivesForNamespace returns the directives in meta that target ns, in the
+// deterministic order of GetDirectives.
+func DirectivesForNamespace(meta map[string]any, ns string) []Directive {
+	all := GetDirectives(meta)
+	if len(all) == 0 {
+		return nil
+	}
+	out := make([]Directive, 0, len(all))
+	for _, d := range all {
+		if d.Namespace == ns {
+			out = append(out, d)
+		}
+	}
+	return out
+}
+
+// HasDirective reports whether meta contains a directive with the given
+// namespace and key.
+func HasDirective(meta map[string]any, ns, key string) bool {
+	for _, d := range GetDirectives(meta) {
+		if d.Namespace == ns && d.Key == key {
+			return true
+		}
+	}
+	return false
+}
+
+// DirectiveSpec describes a documented directive in the catalog.
+type DirectiveSpec struct {
+	// Singleton means only one directive with this namespace/key may appear at
+	// a single location; a second one is a parse error.
+	Singleton bool
+	// Locations lists the location kinds the directive is valid at
+	// ("database", "table", "column", "index").
+	Locations []string
+}
+
+// Location kinds a directive may attach to.
+const (
+	DirectiveLocationDatabase = "database"
+	DirectiveLocationTable    = "table"
+	DirectiveLocationColumn   = "column"
+	DirectiveLocationIndex    = "index"
+)
+
+// DirectiveCatalog is the set of documented directives per namespace. It is used
+// for strict-mode validation in readers and writers; unknown namespaces/keys are
+// still preserved losslessly when strict mode is off.
+var DirectiveCatalog = map[string]map[string]DirectiveSpec{
+	"postgres": {
+		"partition":   {Singleton: true, Locations: []string{DirectiveLocationTable}},
+		"tablespace":  {Singleton: true, Locations: []string{DirectiveLocationTable, DirectiveLocationIndex}},
+		"inherits":    {Singleton: true, Locations: []string{DirectiveLocationTable}},
+		"with":        {Singleton: false, Locations: []string{DirectiveLocationTable, DirectiveLocationIndex}},
+		"storage":     {Singleton: true, Locations: []string{DirectiveLocationColumn}},
+		"compression": {Singleton: true, Locations: []string{DirectiveLocationColumn}},
+		"identity":    {Singleton: true, Locations: []string{DirectiveLocationColumn}},
+	},
+	"sqlite": {
+		"without": {Singleton: true, Locations: []string{DirectiveLocationTable}},
+		"strict":  {Singleton: true, Locations: []string{DirectiveLocationTable}},
+		"collate": {Singleton: true, Locations: []string{DirectiveLocationColumn}},
+	},
+}
+
+// LookupDirectiveSpec returns the catalog spec for a namespace/key and whether
+// it is documented.
+func LookupDirectiveSpec(ns, key string) (DirectiveSpec, bool) {
+	keys, ok := DirectiveCatalog[ns]
+	if !ok {
+		return DirectiveSpec{}, false
+	}
+	spec, ok := keys[key]
+	return spec, ok
+}
+
+// DirectiveLocationAllowed reports whether a documented directive may appear at
+// the given location. Unknown directives (not in the catalog) are allowed
+// everywhere so they can be preserved.
+func DirectiveLocationAllowed(ns, key, location string) bool {
+	spec, ok := LookupDirectiveSpec(ns, key)
+	if !ok {
+		return true
+	}
+	for _, l := range spec.Locations {
+		if l == location {
+			return true
+		}
+	}
+	return false
+}
+
+// FormatDirectiveLine renders a directive back to its DBML source form, e.g.
+// "@postgres: partition by RANGE (created_at)" or "@postgres(id): identity always".
+func FormatDirectiveLine(d Directive, target string) string {
+	if target != "" {
+		return fmt.Sprintf("@%s(%s): %s", d.Namespace, target, d.Args)
+	}
+	return fmt.Sprintf("@%s: %s", d.Namespace, d.Args)
+}

pkg/models/directives_test.go

@@ -0,0 +1,133 @@
+package models
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestDirectiveKey(t *testing.T) {
+	cases := map[string]string{
+		"partition by RANGE (created_at)": "partition",
+		"WITHOUT ROWID":                   "without",
+		"  strict  ":                      "strict",
+		"":                                "",
+	}
+	for args, want := range cases {
+		if got := DirectiveKey(args); got != want {
+			t.Errorf("DirectiveKey(%q) = %q, want %q", args, got, want)
+		}
+	}
+}
+
+func TestAddDirectiveDerivesKey(t *testing.T) {
+	meta := map[string]any{}
+	AddDirective(meta, Directive{Namespace: "postgres", Args: "partition by RANGE (x)", Line: 2})
+	AddDirective(meta, Directive{Namespace: "postgres", Key: "tablespace", Args: "tablespace fast", Line: 3})
+
+	got := GetDirectives(meta)
+	if len(got) != 2 {
+		t.Fatalf("got %d directives, want 2", len(got))
+	}
+	if got[0].Key != "partition" {
+		t.Errorf("derived key = %q, want %q", got[0].Key, "partition")
+	}
+	if got[1].Key != "tablespace" {
+		t.Errorf("explicit key = %q, want %q", got[1].Key, "tablespace")
+	}
+}
+
+func TestAddDirectiveNilMeta(t *testing.T) {
+	// Must not panic.
+	AddDirective(nil, Directive{Namespace: "postgres", Args: "strict"})
+}
+
+func TestGetDirectivesOrdering(t *testing.T) {
+	meta := map[string]any{}
+	AddDirective(meta, Directive{Namespace: "sqlite", Args: "strict", Line: 9})
+	AddDirective(meta, Directive{Namespace: "postgres", Args: "with (b)", Line: 5})
+	AddDirective(meta, Directive{Namespace: "postgres", Args: "with (a)", Line: 5})
+	AddDirective(meta, Directive{Namespace: "postgres", Args: "partition by x", Line: 2})
+
+	got := GetDirectives(meta)
+	wantArgs := []string{"partition by x", "with (a)", "with (b)", "strict"}
+	if len(got) != len(wantArgs) {
+		t.Fatalf("got %d directives, want %d", len(got), len(wantArgs))
+	}
+	for i, w := range wantArgs {
+		if got[i].Args != w {
+			t.Errorf("directive[%d].Args = %q, want %q", i, got[i].Args, w)
+		}
+	}
+}
+
+func TestGetDirectivesTolerantDecodeAfterJSON(t *testing.T) {
+	meta := map[string]any{}
+	AddDirective(meta, Directive{Namespace: "postgres", Args: "partition by RANGE (created_at)", Line: 4})
+	AddDirective(meta, Directive{Namespace: "sqlite", Args: "without rowid", Line: 6})
+
+	blob, err := json.Marshal(meta)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	var round map[string]any
+	if err := json.Unmarshal(blob, &round); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+
+	got := GetDirectives(round)
+	if len(got) != 2 {
+		t.Fatalf("got %d directives after JSON round-trip, want 2", len(got))
+	}
+	if got[0].Namespace != "postgres" || got[0].Key != "partition" || got[0].Line != 4 {
+		t.Errorf("post-JSON directive[0] = %+v", got[0])
+	}
+	if got[0].Args != "partition by RANGE (created_at)" {
+		t.Errorf("post-JSON args not verbatim: %q", got[0].Args)
+	}
+	if got[1].Namespace != "sqlite" || got[1].Key != "without" {
+		t.Errorf("post-JSON directive[1] = %+v", got[1])
+	}
+}
+
+func TestDirectivesForNamespaceAndHasDirective(t *testing.T) {
+	meta := map[string]any{}
+	AddDirective(meta, Directive{Namespace: "postgres", Args: "partition by x", Line: 1})
+	AddDirective(meta, Directive{Namespace: "sqlite", Args: "strict", Line: 2})
+
+	pg := DirectivesForNamespace(meta, "postgres")
+	if len(pg) != 1 || pg[0].Key != "partition" {
+		t.Errorf("DirectivesForNamespace(postgres) = %+v", pg)
+	}
+	if !HasDirective(meta, "sqlite", "strict") {
+		t.Error("HasDirective(sqlite, strict) = false, want true")
+	}
+	if HasDirective(meta, "postgres", "tablespace") {
+		t.Error("HasDirective(postgres, tablespace) = true, want false")
+	}
+}
+
+func TestDirectiveLocationAllowed(t *testing.T) {
+	if !DirectiveLocationAllowed("postgres", "partition", DirectiveLocationTable) {
+		t.Error("partition should be allowed at table level")
+	}
+	if DirectiveLocationAllowed("postgres", "partition", DirectiveLocationColumn) {
+		t.Error("partition should not be allowed at column level")
+	}
+	// Unknown directives are allowed everywhere so they can be preserved.
+	if !DirectiveLocationAllowed("postgres", "bogus", DirectiveLocationDatabase) {
+		t.Error("unknown key should be allowed everywhere")
+	}
+	if !DirectiveLocationAllowed("madeup", "x", DirectiveLocationTable) {
+		t.Error("unknown namespace should be allowed everywhere")
+	}
+}
+
+func TestFormatDirectiveLine(t *testing.T) {
+	d := Directive{Namespace: "postgres", Key: "identity", Args: "identity always"}
+	if got := FormatDirectiveLine(d, ""); got != "@postgres: identity always" {
+		t.Errorf("FormatDirectiveLine no target = %q", got)
+	}
+	if got := FormatDirectiveLine(d, "id"); got != "@postgres(id): identity always" {
+		t.Errorf("FormatDirectiveLine with target = %q", got)
+	}
+}

pkg/models/models.go

@@ -24,16 +24,17 @@ const (
 
 // Database represents the complete database schema
 type Database struct {
-	Name            string       `json:"name" yaml:"name"`
-	Description     string       `json:"description,omitempty" yaml:"description,omitempty" xml:"description,omitempty"`
-	Schemas         []*Schema    `json:"schemas" yaml:"schemas" xml:"schemas"`
-	Domains         []*Domain    `json:"domains,omitempty" yaml:"domains,omitempty" xml:"domains,omitempty"`
-	Comment         string       `json:"comment,omitempty" yaml:"comment,omitempty" xml:"comment,omitempty"`
-	DatabaseType    DatabaseType `json:"database_type,omitempty" yaml:"database_type,omitempty" xml:"database_type,omitempty"`
-	DatabaseVersion string       `json:"database_version,omitempty" yaml:"database_version,omitempty" xml:"database_version,omitempty"`
-	SourceFormat    string       `json:"source_format,omitempty" yaml:"source_format,omitempty" xml:"source_format,omitempty"` // Source Format of the database.
-	UpdatedAt       string       `json:"updatedat,omitempty" yaml:"updatedat,omitempty" xml:"updatedat,omitempty"`
-	GUID            string       `json:"guid" yaml:"guid" xml:"guid"`
+	Name            string         `json:"name" yaml:"name"`
+	Description     string         `json:"description,omitempty" yaml:"description,omitempty" xml:"description,omitempty"`
+	Schemas         []*Schema      `json:"schemas" yaml:"schemas" xml:"schemas"`
+	Domains         []*Domain      `json:"domains,omitempty" yaml:"domains,omitempty" xml:"domains,omitempty"`
+	Comment         string         `json:"comment,omitempty" yaml:"comment,omitempty" xml:"comment,omitempty"`
+	DatabaseType    DatabaseType   `json:"database_type,omitempty" yaml:"database_type,omitempty" xml:"database_type,omitempty"`
+	DatabaseVersion string         `json:"database_version,omitempty" yaml:"database_version,omitempty" xml:"database_version,omitempty"`
+	SourceFormat    string         `json:"source_format,omitempty" yaml:"source_format,omitempty" xml:"source_format,omitempty"` // Source Format of the database.
+	Metadata        map[string]any `json:"metadata,omitempty" yaml:"metadata,omitempty" xml:"-"`
+	UpdatedAt       string         `json:"updatedat,omitempty" yaml:"updatedat,omitempty" xml:"updatedat,omitempty"`
+	GUID            string         `json:"guid" yaml:"guid" xml:"guid"`
 }
 
 // SQLName returns the database name in lowercase for SQL compatibility.
@@ -226,22 +227,23 @@ func (d *Sequence) SQLName() string {
 
 // Column represents a table column
 type Column struct {
-	Name          string `json:"name" yaml:"name" xml:"name"`
-	Description   string `json:"description,omitempty" yaml:"description,omitempty" xml:"description,omitempty"`
-	Table         string `json:"table" yaml:"table" xml:"table"`
-	Schema        string `json:"schema" yaml:"schema" xml:"schema"`
-	Type          string `json:"type" yaml:"type" xml:"type"`
-	Length        int    `json:"length,omitempty" yaml:"length,omitempty" xml:"length,omitempty"`
-	Precision     int    `json:"precision,omitempty" yaml:"precision,omitempty" xml:"precision,omitempty"`
-	Scale         int    `json:"scale,omitempty" yaml:"scale,omitempty" xml:"scale,omitempty"`
-	NotNull       bool   `json:"not_null" yaml:"not_null" xml:"not_null"`
-	Default       any    `json:"default,omitempty" yaml:"default,omitempty" xml:"default,omitempty"`
-	AutoIncrement bool   `json:"auto_increment" yaml:"auto_increment" xml:"auto_increment"`
-	IsPrimaryKey  bool   `json:"is_primary_key" yaml:"is_primary_key" xml:"is_primary_key"`
-	Comment       string `json:"comment,omitempty" yaml:"comment,omitempty" xml:"comment,omitempty"`
-	Collation     string `json:"collation,omitempty" yaml:"collation,omitempty" xml:"collation,omitempty"`
-	Sequence      uint   `json:"sequence,omitempty" yaml:"sequence,omitempty" xml:"sequence,omitempty"`
-	GUID          string `json:"guid" yaml:"guid" xml:"guid"`
+	Name          string         `json:"name" yaml:"name" xml:"name"`
+	Description   string         `json:"description,omitempty" yaml:"description,omitempty" xml:"description,omitempty"`
+	Table         string         `json:"table" yaml:"table" xml:"table"`
+	Schema        string         `json:"schema" yaml:"schema" xml:"schema"`
+	Type          string         `json:"type" yaml:"type" xml:"type"`
+	Length        int            `json:"length,omitempty" yaml:"length,omitempty" xml:"length,omitempty"`
+	Precision     int            `json:"precision,omitempty" yaml:"precision,omitempty" xml:"precision,omitempty"`
+	Scale         int            `json:"scale,omitempty" yaml:"scale,omitempty" xml:"scale,omitempty"`
+	NotNull       bool           `json:"not_null" yaml:"not_null" xml:"not_null"`
+	Default       any            `json:"default,omitempty" yaml:"default,omitempty" xml:"default,omitempty"`
+	AutoIncrement bool           `json:"auto_increment" yaml:"auto_increment" xml:"auto_increment"`
+	IsPrimaryKey  bool           `json:"is_primary_key" yaml:"is_primary_key" xml:"is_primary_key"`
+	Comment       string         `json:"comment,omitempty" yaml:"comment,omitempty" xml:"comment,omitempty"`
+	Collation     string         `json:"collation,omitempty" yaml:"collation,omitempty" xml:"collation,omitempty"`
+	Metadata      map[string]any `json:"metadata,omitempty" yaml:"metadata,omitempty" xml:"-"`
+	Sequence      uint           `json:"sequence,omitempty" yaml:"sequence,omitempty" xml:"sequence,omitempty"`
+	GUID          string         `json:"guid" yaml:"guid" xml:"guid"`
 }
 
 // SQLName returns the column name in lowercase for SQL compatibility.
@@ -252,19 +254,20 @@ func (d *Column) SQLName() string {
 // Index represents a database index for optimizing query performance.
 // Indexes can be unique, partial, or include additional columns.
 type Index struct {
-	Name        string   `json:"name" yaml:"name" xml:"name"`
-	Description string   `json:"description,omitempty" yaml:"description,omitempty" xml:"description,omitempty"`
-	Table       string   `json:"table,omitempty" yaml:"table,omitempty" xml:"table,omitempty"`
-	Schema      string   `json:"schema,omitempty" yaml:"schema,omitempty" xml:"schema,omitempty"`
-	Columns     []string `json:"columns" yaml:"columns" xml:"columns"`
-	Unique      bool     `json:"unique" yaml:"unique" xml:"unique"`
-	Type        string   `json:"type" yaml:"type" xml:"type"`                                  // btree, hash, gin, gist, etc.
-	Where       string   `json:"where,omitempty" yaml:"where,omitempty" xml:"where,omitempty"` // partial index condition
-	Concurrent  bool     `json:"concurrent,omitempty" yaml:"concurrent,omitempty" xml:"concurrent,omitempty"`
-	Include     []string `json:"include,omitempty" yaml:"include,omitempty" xml:"include,omitempty"` // INCLUDE columns
-	Comment     string   `json:"comment,omitempty" yaml:"comment,omitempty" xml:"comment,omitempty"`
-	Sequence    uint     `json:"sequence,omitempty" yaml:"sequence,omitempty" xml:"sequence,omitempty"`
-	GUID        string   `json:"guid" yaml:"guid" xml:"guid"`
+	Name        string         `json:"name" yaml:"name" xml:"name"`
+	Description string         `json:"description,omitempty" yaml:"description,omitempty" xml:"description,omitempty"`
+	Table       string         `json:"table,omitempty" yaml:"table,omitempty" xml:"table,omitempty"`
+	Schema      string         `json:"schema,omitempty" yaml:"schema,omitempty" xml:"schema,omitempty"`
+	Columns     []string       `json:"columns" yaml:"columns" xml:"columns"`
+	Unique      bool           `json:"unique" yaml:"unique" xml:"unique"`
+	Type        string         `json:"type" yaml:"type" xml:"type"`                                  // btree, hash, gin, gist, etc.
+	Where       string         `json:"where,omitempty" yaml:"where,omitempty" xml:"where,omitempty"` // partial index condition
+	Concurrent  bool           `json:"concurrent,omitempty" yaml:"concurrent,omitempty" xml:"concurrent,omitempty"`
+	Include     []string       `json:"include,omitempty" yaml:"include,omitempty" xml:"include,omitempty"` // INCLUDE columns
+	Comment     string         `json:"comment,omitempty" yaml:"comment,omitempty" xml:"comment,omitempty"`
+	Metadata    map[string]any `json:"metadata,omitempty" yaml:"metadata,omitempty" xml:"-"`
+	Sequence    uint           `json:"sequence,omitempty" yaml:"sequence,omitempty" xml:"sequence,omitempty"`
+	GUID        string         `json:"guid" yaml:"guid" xml:"guid"`
 }
 
 // SQLName returns the index name in lowercase for SQL compatibility.
@@ -393,10 +396,11 @@ func (d *Script) SQLName() string {
 // InitDatabase initializes a new Database with empty slices
 func InitDatabase(name string) *Database {
 	return &Database{
-		Name:    name,
-		Schemas: make([]*Schema, 0),
-		Domains: make([]*Domain, 0),
-		GUID:    uuid.New().String(),
+		Name:     name,
+		Schemas:  make([]*Schema, 0),
+		Domains:  make([]*Domain, 0),
+		Metadata: make(map[string]any),
+		GUID:     uuid.New().String(),
 	}
 }
 
@@ -431,22 +435,24 @@ func InitTable(name, schema string) *Table {
 // InitColumn initializes a new Column
 func InitColumn(name, table, schema string) *Column {
 	return &Column{
-		Name:   name,
-		Table:  table,
-		Schema: schema,
-		GUID:   uuid.New().String(),
+		Name:     name,
+		Table:    table,
+		Schema:   schema,
+		Metadata: make(map[string]any),
+		GUID:     uuid.New().String(),
 	}
 }
 
 // InitIndex initializes a new Index with empty slices
 func InitIndex(name, table, schema string) *Index {
 	return &Index{
-		Name:    name,
-		Table:   table,
-		Schema:  schema,
-		Columns: make([]string, 0),
-		Include: make([]string, 0),
-		GUID:    uuid.New().String(),
+		Name:     name,
+		Table:    table,
+		Schema:   schema,
+		Columns:  make([]string, 0),
+		Include:  make([]string, 0),
+		Metadata: make(map[string]any),
+		GUID:     uuid.New().String(),
 	}
 }
 

pkg/pgsql/extensions.go

@@ -247,7 +247,8 @@ var extensionFunctionPrefixes = buildExtensionIndex(func(ext Extension) []string
 
 func buildExtensionIndex(keys func(Extension) []string) map[string]string {
 	index := make(map[string]string)
-	for _, ext := range postgresExtensions {
+	for name := range postgresExtensions {
+		ext := postgresExtensions[name]
 		for _, key := range keys(ext) {
 			// Deterministic on collision: the alphabetically first extension wins.
 			if existing, ok := index[key]; ok && existing < ext.Name {

pkg/readers/bun/reader.go

@@ -245,7 +245,7 @@ func (r *Reader) getReceiverType(expr ast.Expr) string {
 }
 
 // parseTableNameMethod parses a TableName() method and extracts the table and schema name
-func (r *Reader) parseTableNameMethod(funcDecl *ast.FuncDecl) (tableName string, schemaName string) {
+func (r *Reader) parseTableNameMethod(funcDecl *ast.FuncDecl) (tableName, schemaName string) {
 	if funcDecl.Body == nil {
 		return "", ""
 	}
@@ -578,7 +578,7 @@ func (r *Reader) parseIndexesFromTag(table *models.Table, column *models.Column,
 }
 
 // extractTableNameFromTag extracts table and schema from bun tag
-func (r *Reader) extractTableNameFromTag(tag string) (tableName string, schemaName string) {
+func (r *Reader) extractTableNameFromTag(tag string) (tableName, schemaName string) {
 	// Extract bun tag value
 	re := regexp.MustCompile(`bun:"table:([^"]+)"`)
 	matches := re.FindStringSubmatch(tag)
@@ -712,12 +712,12 @@ func (r *Reader) parseTypeWithLength(typeStr string) (baseType string, length in
 		if pgsql.SupportsLength(rawBaseType) {
 			if _, err := fmt.Sscanf(matches[2], "%d", &length); err == nil {
 				baseType = pgsql.CanonicalizeBaseType(rawBaseType)
-				return
+				return baseType, length
 			}
 		}
 	}
 
-	return
+	return baseType, length
 }
 
 // goTypeToSQL maps Go types to SQL types

pkg/readers/dbml/README.md

@@ -93,6 +93,50 @@ Ref: posts.user_id > users.id [delete: cascade]
 - Indexes and composite indexes
 - Table notes and column notes
 - Enums
+- Dialect directives (`@postgres:` / `@sqlite:` — see below)
+
+## Dialect directives
+
+Lines of the form `@<namespace>[(<column>)]: <args>` embed database-specific
+features that plain DBML cannot express (partitioning, `WITHOUT ROWID`,
+tablespaces, index storage parameters, …). They are stored losslessly on the
+relevant object's `Metadata` and round-trip unchanged through the DBML writer;
+the PostgreSQL and SQLite writers translate the ones they understand to SQL.
+
+```dbml
+@postgres: search_path myapp
+
+Table myapp.events {
+  id bigint [pk]
+  created_at timestamp [not null]
+  @postgres(id): identity always
+  @postgres: partition by RANGE (created_at)
+  @sqlite: without rowid
+
+  indexes {
+    (created_at) [name: 'idx_events_created']
+    @postgres: with (fillfactor=90)
+  }
+}
+```
+
+| Position | Attaches to |
+|----------|-------------|
+| Before the first `Table {` | database |
+| Table body, no `(target)` | that table |
+| Table body, `(col)` target | column `col` (error if unknown) |
+| Inside `indexes { }` | the most recently listed index entry |
+
+`args` is preserved verbatim; the **key** (lowercased first token) drives
+duplicate detection. Repeated directives are kept in order; catalog "singleton"
+keys error on a second occurrence at the same location. All errors are
+line-numbered.
+
+`ReaderOptions.StrictDirectives` (CLI `--strict-directives`) turns an unknown
+namespace or key into an error instead of preserving it silently.
+
+See [`docs/DBML_DIRECTIVES.md`](../../../docs/DBML_DIRECTIVES.md) for the full
+grammar and the supported-directive matrix.
 
 ## Notes
 

pkg/readers/dbml/directives.go

@@ -0,0 +1,137 @@
+package dbml
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+// directiveLineRegex matches a dialect directive line:
+//
+//	@postgres: partition by RANGE (created_at)
+//	@postgres(id): identity always
+//
+// Group 1 is the namespace, group 2 the optional (column) target, group 3 the
+// raw argument text (validated separately so error messages can be specific).
+var directiveLineRegex = regexp.MustCompile(`^@([^():]*)(?:\(([^()]*)\))?\s*:(.*)$`)
+
+// namespaceRegex is the grammar for a directive namespace.
+var namespaceRegex = regexp.MustCompile(`^[a-z][a-z0-9_]*$`)
+
+// parsedDirective is a directive line that has been parsed but not yet attached
+// to a model object.
+type parsedDirective struct {
+	namespace string
+	target    string // column name; "" when absent
+	args      string
+	line      int
+}
+
+// parseDirectiveLine parses a single "@namespace[(target)]: args" line.
+func parseDirectiveLine(line string, lineNo int) (parsedDirective, error) {
+	m := directiveLineRegex.FindStringSubmatch(line)
+	if m == nil {
+		return parsedDirective{}, fmt.Errorf(
+			"dbml: line %d: malformed directive %q (expected \"@namespace: args\")", lineNo, line)
+	}
+
+	ns := strings.TrimSpace(m[1])
+	target := strings.TrimSpace(m[2])
+	args := strings.TrimSpace(m[3])
+
+	if !namespaceRegex.MatchString(ns) {
+		return parsedDirective{}, fmt.Errorf(
+			"dbml: line %d: invalid directive namespace %q (must match [a-z][a-z0-9_]*)", lineNo, ns)
+	}
+	if args == "" {
+		return parsedDirective{}, fmt.Errorf("dbml: line %d: directive @%s has no arguments", lineNo, ns)
+	}
+	if target != "" {
+		target = stripQuotes(target)
+	}
+
+	return parsedDirective{namespace: ns, target: target, args: args, line: lineNo}, nil
+}
+
+// attachDirective resolves the target model object from the current parser state
+// and stores the directive in its Metadata, enforcing location, duplicate and
+// strict-mode rules.
+func (r *Reader) attachDirective(
+	pd parsedDirective,
+	db *models.Database,
+	table *models.Table,
+	inTable, inIndexes bool,
+	lastIndex *models.Index,
+) error {
+	strict := r.options != nil && r.options.StrictDirectives
+	key := models.DirectiveKey(pd.args)
+
+	var meta map[string]any
+	var location string
+
+	switch {
+	case inIndexes:
+		if pd.target != "" {
+			return fmt.Errorf("dbml: line %d: directive target (%s) is not allowed inside an indexes block", pd.line, pd.target)
+		}
+		if lastIndex == nil {
+			return fmt.Errorf("dbml: line %d: directive @%s must follow an index definition", pd.line, pd.namespace)
+		}
+		if lastIndex.Metadata == nil {
+			lastIndex.Metadata = make(map[string]any)
+		}
+		meta = lastIndex.Metadata
+		location = models.DirectiveLocationIndex
+
+	case inTable && table != nil:
+		if pd.target != "" {
+			col, ok := table.Columns[pd.target]
+			if !ok {
+				return fmt.Errorf("dbml: line %d: directive target column %q not found in table %q", pd.line, pd.target, table.Name)
+			}
+			if col.Metadata == nil {
+				col.Metadata = make(map[string]any)
+			}
+			meta = col.Metadata
+			location = models.DirectiveLocationColumn
+		} else {
+			if table.Metadata == nil {
+				table.Metadata = make(map[string]any)
+			}
+			meta = table.Metadata
+			location = models.DirectiveLocationTable
+		}
+
+	default:
+		if pd.target != "" {
+			return fmt.Errorf("dbml: line %d: directive target (%s) is only valid inside a table", pd.line, pd.target)
+		}
+		if db.Metadata == nil {
+			db.Metadata = make(map[string]any)
+		}
+		meta = db.Metadata
+		location = models.DirectiveLocationDatabase
+	}
+
+	spec, documented := models.LookupDirectiveSpec(pd.namespace, key)
+
+	if strict && !documented {
+		return fmt.Errorf("dbml: line %d: unknown directive @%s: %s (strict mode)", pd.line, pd.namespace, key)
+	}
+	if documented && !models.DirectiveLocationAllowed(pd.namespace, key, location) {
+		return fmt.Errorf("dbml: line %d: directive @%s: %s is not valid at %s level", pd.line, pd.namespace, key, location)
+	}
+	if documented && spec.Singleton && models.HasDirective(meta, pd.namespace, key) {
+		return fmt.Errorf("dbml: line %d: duplicate @%s directive %q at %s level", pd.line, pd.namespace, key, location)
+	}
+
+	models.AddDirective(meta, models.Directive{
+		Namespace: pd.namespace,
+		Key:       key,
+		Args:      pd.args,
+		Line:      pd.line,
+	})
+	return nil
+}

pkg/readers/dbml/directives_test.go

@@ -0,0 +1,181 @@
+package dbml
+
+import (
+	"strings"
+	"testing"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+	"git.warky.dev/wdevs/relspecgo/pkg/readers"
+)
+
+func parse(t *testing.T, strict bool, src string) (*models.Database, error) {
+	t.Helper()
+	r := NewReader(&readers.ReaderOptions{StrictDirectives: strict})
+	return r.parseDBML(src)
+}
+
+func firstTable(t *testing.T, db *models.Database) *models.Table {
+	t.Helper()
+	if len(db.Schemas) == 0 || len(db.Schemas[0].Tables) == 0 {
+		t.Fatal("no table parsed")
+	}
+	return db.Schemas[0].Tables[0]
+}
+
+func TestDirectives_AttachAtEachLocation(t *testing.T) {
+	src := `@postgres: search_path myapp
+
+Table myapp.events {
+  id bigint [pk]
+  created_at timestamp [not null]
+  @postgres(id): identity always
+  @postgres: partition by RANGE (created_at)
+
+  indexes {
+    (created_at) [name: 'idx_events_created']
+    @postgres: with (fillfactor=90)
+  }
+}
+`
+	db, err := parse(t, false, src)
+	if err != nil {
+		t.Fatalf("parse: %v", err)
+	}
+
+	if !models.HasDirective(db.Metadata, "postgres", "search_path") {
+		t.Errorf("database-level directive missing: %+v", db.Metadata)
+	}
+
+	tbl := firstTable(t, db)
+	if !models.HasDirective(tbl.Metadata, "postgres", "partition") {
+		t.Errorf("table-level directive missing: %+v", tbl.Metadata)
+	}
+
+	col := tbl.Columns["id"]
+	if col == nil || !models.HasDirective(col.Metadata, "postgres", "identity") {
+		t.Errorf("column-level directive missing")
+	}
+	// Verbatim args preserved.
+	if d := models.DirectivesForNamespace(col.Metadata, "postgres"); len(d) != 1 || d[0].Args != "identity always" {
+		t.Errorf("column directive args = %+v", d)
+	}
+
+	var idx *models.Index
+	for _, i := range tbl.Indexes {
+		idx = i
+	}
+	if idx == nil || !models.HasDirective(idx.Metadata, "postgres", "with") {
+		t.Errorf("index-level directive missing: %+v", idx)
+	}
+}
+
+func TestDirectives_RepeatablePreservedAndOrdered(t *testing.T) {
+	src := `Table s.t {
+  id int [pk]
+  @postgres: with (fillfactor=90)
+  @postgres: with (autovacuum_enabled=off)
+}
+`
+	db, err := parse(t, false, src)
+	if err != nil {
+		t.Fatalf("parse: %v", err)
+	}
+	tbl := firstTable(t, db)
+	got := models.DirectivesForNamespace(tbl.Metadata, "postgres")
+	if len(got) != 2 {
+		t.Fatalf("got %d directives, want 2", len(got))
+	}
+	if got[0].Args != "with (fillfactor=90)" || got[1].Args != "with (autovacuum_enabled=off)" {
+		t.Errorf("repeatable directives out of order: %+v", got)
+	}
+}
+
+func TestDirectives_SingletonDuplicateErrors(t *testing.T) {
+	src := `Table s.t {
+  id int [pk]
+  @postgres: partition by RANGE (a)
+  @postgres: partition by LIST (b)
+}
+`
+	_, err := parse(t, false, src)
+	if err == nil || !strings.Contains(err.Error(), "duplicate") {
+		t.Fatalf("want duplicate error, got %v", err)
+	}
+	if !strings.Contains(err.Error(), "line 4") {
+		t.Errorf("error not line-numbered: %v", err)
+	}
+}
+
+func TestDirectives_MalformedErrors(t *testing.T) {
+	cases := map[string]string{
+		"no colon":       "@postgres partition by x",
+		"empty args":     "@postgres:",
+		"bad namespace":  "@Postgres: partition by x",
+		"numeric prefix": "@1x: foo",
+	}
+	for name, line := range cases {
+		t.Run(name, func(t *testing.T) {
+			src := "Table s.t {\n  id int [pk]\n  " + line + "\n}\n"
+			_, err := parse(t, false, src)
+			if err == nil {
+				t.Fatalf("want error for %q", line)
+			}
+			if !strings.Contains(err.Error(), "line 3") {
+				t.Errorf("error not line-numbered: %v", err)
+			}
+		})
+	}
+}
+
+func TestDirectives_UnknownPreservedNonStrict(t *testing.T) {
+	src := `Table s.t {
+  id int [pk]
+  @postgres: frobnicate all the things
+  @clickhouse: engine MergeTree
+}
+`
+	db, err := parse(t, false, src)
+	if err != nil {
+		t.Fatalf("parse: %v", err)
+	}
+	tbl := firstTable(t, db)
+	if !models.HasDirective(tbl.Metadata, "postgres", "frobnicate") {
+		t.Error("unknown postgres key not preserved")
+	}
+	if !models.HasDirective(tbl.Metadata, "clickhouse", "engine") {
+		t.Error("unknown namespace not preserved")
+	}
+}
+
+func TestDirectives_StrictErrors(t *testing.T) {
+	src := `Table s.t {
+  id int [pk]
+  @postgres: frobnicate x
+}
+`
+	_, err := parse(t, true, src)
+	if err == nil || !strings.Contains(err.Error(), "strict mode") {
+		t.Fatalf("want strict-mode error, got %v", err)
+	}
+}
+
+func TestDirectives_UnknownColumnTargetErrors(t *testing.T) {
+	src := `Table s.t {
+  id int [pk]
+  @postgres(missing): identity always
+}
+`
+	_, err := parse(t, false, src)
+	if err == nil || !strings.Contains(err.Error(), "not found") {
+		t.Fatalf("want unknown-column error, got %v", err)
+	}
+}
+
+func TestDirectives_WrongLocationErrors(t *testing.T) {
+	// partition is table-only.
+	src := "@postgres: partition by RANGE (x)\n\nTable s.t {\n  id int [pk]\n}\n"
+	_, err := parse(t, false, src)
+	if err == nil || !strings.Contains(err.Error(), "not valid at database level") {
+		t.Fatalf("want location error, got %v", err)
+	}
+}

pkg/readers/dbml/reader.go

@@ -435,11 +435,14 @@ func (r *Reader) parseDBML(content string) (*models.Database, error) {
 	var inIndexes bool
 	var inTable bool
 	var columnSeq uint
+	var lastIndex *models.Index // most recent index in the current Indexes block
+	lineNo := 0
 
 	tableRegex := regexp.MustCompile(`^Table\s+(.+?)\s*{`)
 	refRegex := regexp.MustCompile(`^Ref:\s+(.+)`)
 
 	for scanner.Scan() {
+		lineNo++
 		line := strings.TrimSpace(scanner.Text())
 
 		// Skip empty lines and comments
@@ -447,6 +450,20 @@ func (r *Reader) parseDBML(content string) (*models.Database, error) {
 			continue
 		}
 
+		// Parse a dialect directive (@postgres:, @sqlite:, …). Handled before
+		// table/column/index parsing so directive lines are never mistaken for
+		// columns.
+		if strings.HasPrefix(line, "@") {
+			pd, err := parseDirectiveLine(line, lineNo)
+			if err != nil {
+				return nil, err
+			}
+			if err := r.attachDirective(pd, db, currentTable, inTable, inIndexes, lastIndex); err != nil {
+				return nil, err
+			}
+			continue
+		}
+
 		// Parse Table definition
 		if matches := tableRegex.FindStringSubmatch(line); matches != nil {
 			tableName := matches[1]
@@ -474,8 +491,10 @@ func (r *Reader) parseDBML(content string) (*models.Database, error) {
 			continue
 		}
 
-		// End of table definition
-		if inTable && line == "}" {
+		// End of table definition. Guarded by !inIndexes so the closing brace
+		// of an `indexes { }` block is not mistaken for the end of the table
+		// (which would drop any table-level content that follows it).
+		if inTable && !inIndexes && line == "}" {
 			if currentTable != nil && currentSchema != "" {
 				schemaMap[currentSchema].Tables = append(schemaMap[currentSchema].Tables, currentTable)
 				currentTable = nil
@@ -488,12 +507,14 @@ func (r *Reader) parseDBML(content string) (*models.Database, error) {
 		// Parse indexes section
 		if inTable && (strings.HasPrefix(line, "Indexes {") || strings.HasPrefix(line, "indexes {")) {
 			inIndexes = true
+			lastIndex = nil
 			continue
 		}
 
 		// End of indexes section
 		if inIndexes && line == "}" {
 			inIndexes = false
+			lastIndex = nil
 			continue
 		}
 
@@ -513,6 +534,7 @@ func (r *Reader) parseDBML(content string) (*models.Database, error) {
 			index := r.parseIndex(line, currentTable.Name, currentSchema)
 			if index != nil {
 				currentTable.Indexes[index.Name] = index
+				lastIndex = index
 			}
 			continue
 		}
@@ -701,7 +723,7 @@ func (r *Reader) parseColumn(line, tableName, schemaName string) (*models.Column
 	return column, constraint
 }
 
-func splitInlineComment(line string) (content string, inlineComment string) {
+func splitInlineComment(line string) (content, inlineComment string) {
 	commentStart := strings.Index(line, "//")
 	if commentStart == -1 {
 		return line, ""
@@ -710,7 +732,7 @@ func splitInlineComment(line string) (content string, inlineComment string) {
 	return strings.TrimSpace(line[:commentStart]), strings.TrimSpace(line[commentStart+2:])
 }
 
-func splitColumnSignatureAndAttrs(line string) (signature string, attrs string) {
+func splitColumnSignatureAndAttrs(line string) (signature, attrs string) {
 	trimmed := strings.TrimSpace(line)
 	if trimmed == "" || !strings.HasSuffix(trimmed, "]") {
 		return trimmed, ""
@@ -736,7 +758,7 @@ func splitColumnSignatureAndAttrs(line string) (signature string, attrs string)
 	return trimmed, ""
 }
 
-func parseColumnSignature(signature string) (columnName string, columnType string, ok bool) {
+func parseColumnSignature(signature string) (columnName, columnType string, ok bool) {
 	signature = strings.TrimSpace(signature)
 	if signature == "" {
 		return "", "", false
@@ -1041,5 +1063,5 @@ func (r *Reader) parseTableRef(ref string) (schema, table string, columns []stri
 		table = stripQuotes(parts[0])
 	}
 
-	return
+	return schema, table, columns
 }

pkg/readers/dbml/reader_test.go

@@ -689,7 +689,7 @@ func TestReadDirectory_CommentedRefsLast(t *testing.T) {
 func TestReadDirectory_EmptyDirectory(t *testing.T) {
 	// Create a temporary empty directory
 	tmpDir := filepath.Join("..", "..", "..", "tests", "assets", "dbml", "empty_test_dir")
-	err := os.MkdirAll(tmpDir, 0755)
+	err := os.MkdirAll(tmpDir, 0o755)
 	if err != nil {
 		t.Fatalf("Failed to create temp directory: %v", err)
 	}
@@ -956,7 +956,7 @@ func TestReader_CompositePKIndex(t *testing.T) {
 `
 	dir := t.TempDir()
 	path := filepath.Join(dir, "composite_pk.dbml")
-	if err := os.WriteFile(path, []byte(dbmlContent), 0644); err != nil {
+	if err := os.WriteFile(path, []byte(dbmlContent), 0o644); err != nil {
 		t.Fatalf("failed to write fixture: %v", err)
 	}
 
@@ -1005,7 +1005,7 @@ func TestReader_ColumnPKOrderPreserved(t *testing.T) {
 `
 	dir := t.TempDir()
 	path := filepath.Join(dir, "column_pk_order.dbml")
-	if err := os.WriteFile(path, []byte(dbmlContent), 0644); err != nil {
+	if err := os.WriteFile(path, []byte(dbmlContent), 0o644); err != nil {
 		t.Fatalf("failed to write fixture: %v", err)
 	}
 

pkg/readers/gorm/reader.go

@@ -246,7 +246,7 @@ func (r *Reader) getReceiverType(expr ast.Expr) string {
 }
 
 // parseTableNameMethod parses a TableName() method and extracts the table and schema name
-func (r *Reader) parseTableNameMethod(funcDecl *ast.FuncDecl) (tableName string, schemaName string) {
+func (r *Reader) parseTableNameMethod(funcDecl *ast.FuncDecl) (tableName, schemaName string) {
 	if funcDecl.Body == nil {
 		return "", ""
 	}
@@ -669,7 +669,7 @@ func (r *Reader) parseIndexesFromTag(table *models.Table, column *models.Column,
 }
 
 // extractTableFromGormTag extracts table and schema from gorm tag
-func (r *Reader) extractTableFromGormTag(tag string) (tablename string, schemaName string) {
+func (r *Reader) extractTableFromGormTag(tag string) (tablename, schemaName string) {
 	// This is typically set via TableName() method, not in tags
 	// We'll return empty strings and rely on deriveTableName
 	return "", ""
@@ -794,12 +794,12 @@ func (r *Reader) parseTypeWithLength(typeStr string) (baseType string, length in
 		if pgsql.SupportsLength(rawBaseType) && !strings.Contains(parens, ",") {
 			if _, err := fmt.Sscanf(parens, "%d", &length); err == nil {
 				baseType = pgsql.CanonicalizeBaseType(rawBaseType)
-				return
+				return baseType, length
 			}
 		}
 	}
 
-	return
+	return baseType, length
 }
 
 // parseTypeWithReferences parses a type string and extracts base type, length, and references
@@ -816,12 +816,12 @@ func (r *Reader) parseTypeWithReferences(typeStr string) (baseType string, lengt
 
 		// Parse base type for length
 		baseType, length = r.parseTypeWithLength(baseTypePart)
-		return
+		return baseType, length, refInfo
 	}
 
 	// No references, just parse type and length
 	baseType, length = r.parseTypeWithLength(typeStr)
-	return
+	return baseType, length, refInfo
 }
 
 // parseGormTag parses a gorm tag string into a map

pkg/readers/graphql/type_mapping.go

@@ -32,7 +32,7 @@ func (r *Reader) isScalarType(typeName string, ctx *parseContext) bool {
 	return commonCustomScalars[typeName]
 }
 
-func (r *Reader) graphQLTypeToSQL(gqlType string, fieldName string, typeName string) string {
+func (r *Reader) graphQLTypeToSQL(gqlType, fieldName, typeName string) string {
 	// Check for ID type with configurable mapping
 	if gqlType == "ID" {
 		// Check metadata for ID type preference

pkg/readers/mssql/reader_test.go

@@ -3,9 +3,10 @@ package mssql
 import (
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/mssql"
 	"git.warky.dev/wdevs/relspecgo/pkg/readers"
-	"github.com/stretchr/testify/assert"
 )
 
 // TestMapDataType tests MSSQL type mapping to canonical types
@@ -38,9 +39,9 @@ func TestMapDataType(t *testing.T) {
 // TestConvertCanonicalToMSSQL tests canonical to MSSQL type conversion
 func TestConvertCanonicalToMSSQL(t *testing.T) {
 	tests := []struct {
-		name           string
-		canonicalType  string
-		expectedMSSQL  string
+		name          string
+		canonicalType string
+		expectedMSSQL string
 	}{
 		{"int to INT", "int", "INT"},
 		{"int64 to BIGINT", "int64", "BIGINT"},
@@ -63,9 +64,9 @@ func TestConvertCanonicalToMSSQL(t *testing.T) {
 // TestConvertMSSQLToCanonical tests MSSQL to canonical type conversion
 func TestConvertMSSQLToCanonical(t *testing.T) {
 	tests := []struct {
-		name           string
-		mssqlType      string
-		expectedType   string
+		name         string
+		mssqlType    string
+		expectedType string
 	}{
 		{"INT to int", "INT", "int"},
 		{"BIGINT to int64", "BIGINT", "int64"},

pkg/readers/prisma/reader_test.go

@@ -28,7 +28,7 @@ model User {
   id Int @id @default(autoincrement())
 }`
 
-	if err := os.WriteFile(schemaPath, []byte(content), 0644); err != nil {
+	if err := os.WriteFile(schemaPath, []byte(content), 0o644); err != nil {
 		t.Fatalf("failed to write schema: %v", err)
 	}
 
@@ -58,7 +58,7 @@ model User {
   id Int @id @default(autoincrement())
 }`
 
-	if err := os.WriteFile(schemaPath, []byte(content), 0644); err != nil {
+	if err := os.WriteFile(schemaPath, []byte(content), 0o644); err != nil {
 		t.Fatalf("failed to write schema: %v", err)
 	}
 

pkg/readers/reader.go

@@ -28,6 +28,10 @@ type ReaderOptions struct {
 	// Prisma7 enables Prisma 7-specific handling for Prisma schemas.
 	Prisma7 bool
 
+	// StrictDirectives makes DBML dialect directives (@postgres:, @sqlite:, …)
+	// fail on an unknown namespace or key instead of preserving them silently.
+	StrictDirectives bool
+
 	// Additional options can be added here as needed
 	Metadata map[string]interface{}
 }

pkg/readers/sqldir/reader.go

@@ -175,7 +175,6 @@ func (r *Reader) readScripts() ([]*models.Script, error) {
 
 		return nil
 	})
-
 	if err != nil {
 		return nil, err
 	}

pkg/readers/sqldir/reader_test.go

@@ -30,18 +30,18 @@ func TestReader_ReadDatabase(t *testing.T) {
 
 	for filename, content := range testFiles {
 		filePath := filepath.Join(tempDir, filename)
-		if err := os.WriteFile(filePath, []byte(content), 0644); err != nil {
+		if err := os.WriteFile(filePath, []byte(content), 0o644); err != nil {
 			t.Fatalf("Failed to create test file %s: %v", filename, err)
 		}
 	}
 
 	// Create subdirectory with additional script
 	subDir := filepath.Join(tempDir, "migrations")
-	if err := os.MkdirAll(subDir, 0755); err != nil {
+	if err := os.MkdirAll(subDir, 0o755); err != nil {
 		t.Fatalf("Failed to create subdirectory: %v", err)
 	}
 	subFile := filepath.Join(subDir, "3_001_add_column.sql")
-	if err := os.WriteFile(subFile, []byte("ALTER TABLE users ADD COLUMN email TEXT;"), 0644); err != nil {
+	if err := os.WriteFile(subFile, []byte("ALTER TABLE users ADD COLUMN email TEXT;"), 0o644); err != nil {
 		t.Fatalf("Failed to create subdirectory file: %v", err)
 	}
 
@@ -141,7 +141,7 @@ func TestReader_ReadSchema(t *testing.T) {
 
 	// Create test SQL file
 	testFile := filepath.Join(tempDir, "1_001_test.sql")
-	if err := os.WriteFile(testFile, []byte("SELECT 1;"), 0644); err != nil {
+	if err := os.WriteFile(testFile, []byte("SELECT 1;"), 0o644); err != nil {
 		t.Fatalf("Failed to create test file: %v", err)
 	}
 
@@ -220,14 +220,14 @@ func TestReader_InvalidFilename(t *testing.T) {
 
 	for _, filename := range invalidFiles {
 		filePath := filepath.Join(tempDir, filename)
-		if err := os.WriteFile(filePath, []byte("SELECT 1;"), 0644); err != nil {
+		if err := os.WriteFile(filePath, []byte("SELECT 1;"), 0o644); err != nil {
 			t.Fatalf("Failed to create test file %s: %v", filename, err)
 		}
 	}
 
 	// Create one valid file
 	validFile := filepath.Join(tempDir, "1_001_valid.sql")
-	if err := os.WriteFile(validFile, []byte("SELECT 1;"), 0644); err != nil {
+	if err := os.WriteFile(validFile, []byte("SELECT 1;"), 0o644); err != nil {
 		t.Fatalf("Failed to create valid file: %v", err)
 	}
 
@@ -277,7 +277,7 @@ func TestReader_HyphenFormat(t *testing.T) {
 
 	for filename, content := range testFiles {
 		filePath := filepath.Join(tempDir, filename)
-		if err := os.WriteFile(filePath, []byte(content), 0644); err != nil {
+		if err := os.WriteFile(filePath, []byte(content), 0o644); err != nil {
 			t.Fatalf("Failed to create test file %s: %v", filename, err)
 		}
 	}
@@ -343,7 +343,7 @@ func TestReader_MixedFormat(t *testing.T) {
 
 	for filename, content := range testFiles {
 		filePath := filepath.Join(tempDir, filename)
-		if err := os.WriteFile(filePath, []byte(content), 0644); err != nil {
+		if err := os.WriteFile(filePath, []byte(content), 0o644); err != nil {
 			t.Fatalf("Failed to create test file %s: %v", filename, err)
 		}
 	}
@@ -386,13 +386,13 @@ func TestReader_SkipSymlinks(t *testing.T) {
 
 	// Create a real SQL file
 	realFile := filepath.Join(tempDir, "1_001_real_file.sql")
-	if err := os.WriteFile(realFile, []byte("SELECT 1;"), 0644); err != nil {
+	if err := os.WriteFile(realFile, []byte("SELECT 1;"), 0o644); err != nil {
 		t.Fatalf("Failed to create real file: %v", err)
 	}
 
 	// Create another file to link to
 	targetFile := filepath.Join(tempDir, "2_001_target.sql")
-	if err := os.WriteFile(targetFile, []byte("SELECT 2;"), 0644); err != nil {
+	if err := os.WriteFile(targetFile, []byte("SELECT 2;"), 0o644); err != nil {
 		t.Fatalf("Failed to create target file: %v", err)
 	}
 

pkg/reflectutil/helpers.go

@@ -192,7 +192,7 @@ func mapKeyLess(a, b reflect.Value) bool {
 
 // MapGet safely gets a value from a map by key
 // Returns nil if key doesn't exist or not a map
-func MapGet(m interface{}, key interface{}) interface{} {
+func MapGet(m, key interface{}) interface{} {
 	v := reflect.ValueOf(m)
 	v, ok := Deref(v)
 	if !ok {

pkg/sqltypes/sql_types.go

@@ -111,6 +111,7 @@ func (n *SqlNull[T]) Scan(value any) error {
 		return n.FromString(fmt.Sprintf("%v", value))
 	}
 }
+
 func (n *SqlNull[T]) FromString(s string) error {
 	s = strings.TrimSpace(s)
 	n.Valid = false
@@ -444,55 +445,55 @@ type (
 	SqlUUID      = SqlNull[uuid.UUID]
 )
 
-// SqlTimeStamp - Timestamp with custom formatting (YYYY-MM-DDTHH:MM:SS).
+// SqlTimeStamp - Timestamp serialized as RFC3339.
 type SqlTimeStamp struct{ SqlNull[time.Time] }
 
 func (t SqlTimeStamp) MarshalJSON() ([]byte, error) {
-	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0002, 1, 1, 0, 0, 0, 0, time.UTC)) {
+	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return []byte("null"), nil
 	}
-	return fmt.Appendf(nil, `"%s"`, t.Val.Format("2006-01-02T15:04:05")), nil
+	return fmt.Appendf(nil, `"%s"`, t.Val.Format(time.RFC3339)), nil
 }
 
 func (t *SqlTimeStamp) UnmarshalJSON(b []byte) error {
 	if err := t.SqlNull.UnmarshalJSON(b); err != nil {
 		return err
 	}
-	if t.Valid && (t.Val.IsZero() || t.Val.Format("2006-01-02T15:04:05") == "0001-01-01T00:00:00") {
+	if t.Valid && (t.Val.IsZero() || t.Val.Format(time.RFC3339) == "0001-01-01T00:00:00Z") {
 		t.Valid = false
 	}
 	return nil
 }
 
 func (t SqlTimeStamp) Value() (driver.Value, error) {
-	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0002, 1, 1, 0, 0, 0, 0, time.UTC)) {
+	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return nil, nil
 	}
-	return t.Val.Format("2006-01-02T15:04:05"), nil
+	return t.Val.Format(time.RFC3339), nil
 }
 
 func (t SqlTimeStamp) MarshalYAML() (any, error) {
-	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0002, 1, 1, 0, 0, 0, 0, time.UTC)) {
+	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return nil, nil
 	}
-	return t.Val.Format("2006-01-02T15:04:05"), nil
+	return t.Val.Format(time.RFC3339), nil
 }
 
 func (t *SqlTimeStamp) UnmarshalYAML(value *yaml.Node) error {
 	if err := t.SqlNull.UnmarshalYAML(value); err != nil {
 		return err
 	}
-	if t.Valid && (t.Val.IsZero() || t.Val.Format("2006-01-02T15:04:05") == "0001-01-01T00:00:00") {
+	if t.Valid && (t.Val.IsZero() || t.Val.Format(time.RFC3339) == "0001-01-01T00:00:00Z") {
 		t.Valid = false
 	}
 	return nil
 }
 
 func (t SqlTimeStamp) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
-	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0002, 1, 1, 0, 0, 0, 0, time.UTC)) {
+	if !t.Valid || t.Val.IsZero() || t.Val.Before(time.Date(0o002, 1, 1, 0, 0, 0, 0, time.UTC)) {
 		return e.EncodeElement("", start)
 	}
-	return e.EncodeElement(t.Val.Format("2006-01-02T15:04:05"), start)
+	return e.EncodeElement(t.Val.Format(time.RFC3339), start)
 }
 
 func (t *SqlTimeStamp) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
@@ -510,7 +511,7 @@ func (t *SqlTimeStamp) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 		return err
 	}
 	t.Val = tm
-	t.Valid = !tm.IsZero() && tm.Format("2006-01-02T15:04:05") != "0001-01-01T00:00:00"
+	t.Valid = !tm.IsZero() && tm.Format(time.RFC3339) != "0001-01-01T00:00:00Z"
 	return nil
 }
 

pkg/sqltypes/sql_types_test.go

@@ -178,7 +178,7 @@ func TestSqlTimeStamp_JSON(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Marshal failed: %v", err)
 	}
-	expected := `"2024-01-15T10:30:45"`
+	expected := `"2024-01-15T10:30:45Z"`
 	if string(data) != expected {
 		t.Errorf("expected %s, got %s", expected, string(data))
 	}
@@ -955,4 +955,3 @@ func TestSqlByteArray_Base64_RoundTrip(t *testing.T) {
 		t.Errorf("Round-trip failed: expected %v, got %v", original, b3.Val)
 	}
 }
-

pkg/sqltypes/sql_types_yaml_xml_test.go

@@ -195,7 +195,7 @@ func TestSqlTimeStamp_YAML(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Marshal failed: %v", err)
 	}
-	if string(data) != "2024-06-15T09:30:00\n" {
+	if string(data) != "\"2024-06-15T09:30:00Z\"\n" {
 		t.Errorf("unexpected YAML: %q", string(data))
 	}
 	var ts2 SqlTimeStamp

pkg/writers/bun/writer.go

@@ -195,7 +195,7 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
 	}
 
 	// Create output directory if it doesn't exist
-	if err := os.MkdirAll(w.options.OutputPath, 0755); err != nil {
+	if err := os.MkdirAll(w.options.OutputPath, 0o755); err != nil {
 		return fmt.Errorf("failed to create output directory: %w", err)
 	}
 
@@ -267,7 +267,7 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
 			filepath := filepath.Join(w.options.OutputPath, filename)
 
 			// Write file
-			if err := os.WriteFile(filepath, []byte(formatted), 0644); err != nil {
+			if err := os.WriteFile(filepath, []byte(formatted), 0o644); err != nil {
 				return fmt.Errorf("failed to write file %s: %w", filename, err)
 			}
 
@@ -471,7 +471,7 @@ func (w *Writer) formatCode(code string) (string, error) {
 // writeOutput writes the content to file or stdout
 func (w *Writer) writeOutput(content string) error {
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	// Print to stdout

pkg/writers/dbml/README.md

@@ -137,6 +137,41 @@ indexes {
 }
 ```
 
+### Dialect directives
+
+Dialect directives stored on a model object's `Metadata` (namespace `postgres`,
+`sqlite`, …) are re-emitted verbatim, one line per directive, at the location
+they belong to:
+
+```dbml
+@postgres: search_path myapp
+
+Table myapp.events {
+  id bigint [pk]
+  created_at timestamp [not null]
+  @postgres(id): identity always
+  @postgres: partition by RANGE (created_at)
+  @sqlite: without rowid
+
+  indexes {
+    (created_at) [name: 'idx_events_created']
+    @postgres: with (fillfactor=90)
+  }
+}
+```
+
+| Emitted at | From |
+|------------|------|
+| Before the first table | `Database.Metadata` |
+| After a column line, as `@ns(col): …` | `Column.Metadata` |
+| After an index line, inside `indexes { }` | `Index.Metadata` |
+| After the `indexes` block, before `Note:` | `Table.Metadata` |
+
+Output is deterministic (ordered by namespace, then source line, then args), so a
+`DBML → model → DBML` round-trip is idempotent. See
+[`docs/DBML_DIRECTIVES.md`](../../../docs/DBML_DIRECTIVES.md) for the grammar and
+the list of directives the PostgreSQL and SQLite writers translate to SQL.
+
 ## Type Mapping
 
 | SQL Type | DBML Type |

pkg/writers/dbml/directives.go

@@ -0,0 +1,23 @@
+package dbml
+
+import (
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+// directiveLines renders every dialect directive stored in meta back to its DBML
+// source form, one line per directive, each prefixed with indent. When target is
+// non-empty it is emitted as the "(column)" target, e.g.
+// "  @postgres(id): identity always". Order is deterministic (see
+// models.GetDirectives).
+func directiveLines(meta map[string]any, indent, target string) []string {
+	directives := models.GetDirectives(meta)
+	if len(directives) == 0 {
+		return nil
+	}
+
+	lines := make([]string, 0, len(directives))
+	for _, d := range directives {
+		lines = append(lines, indent+models.FormatDirectiveLine(d, target))
+	}
+	return lines
+}

pkg/writers/dbml/directives_test.go

@@ -0,0 +1,97 @@
+package dbml
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	dbmlreader "git.warky.dev/wdevs/relspecgo/pkg/readers/dbml"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+	"git.warky.dev/wdevs/relspecgo/pkg/readers"
+	"git.warky.dev/wdevs/relspecgo/pkg/writers"
+)
+
+const directiveSrc = `@postgres: search_path myapp
+
+Table myapp.events {
+  id bigint [pk]
+  created_at timestamp [not null]
+  @postgres(id): identity always
+  @postgres: partition by RANGE (created_at)
+  @postgres: tablespace fast_data
+  @sqlite: without rowid
+
+  indexes {
+    (created_at) [name: 'idx_events_created']
+    @postgres: with (fillfactor=90)
+  }
+}
+`
+
+func writeDBML(t *testing.T, db *models.Database) string {
+	t.Helper()
+	out := filepath.Join(t.TempDir(), "out.dbml")
+	require.NoError(t, NewWriter(&writers.WriterOptions{OutputPath: out}).WriteDatabase(db))
+	b, err := os.ReadFile(out)
+	require.NoError(t, err)
+	return string(b)
+}
+
+func readDBML(t *testing.T, src string) *models.Database {
+	t.Helper()
+	f := filepath.Join(t.TempDir(), "in.dbml")
+	require.NoError(t, os.WriteFile(f, []byte(src), 0o644))
+	db, err := dbmlreader.NewReader(&readers.ReaderOptions{FilePath: f}).ReadDatabase()
+	require.NoError(t, err)
+	return db
+}
+
+func collectDirectives(db *models.Database) map[string][]string {
+	got := map[string][]string{}
+	add := func(loc string, meta map[string]any) {
+		for _, d := range models.GetDirectives(meta) {
+			got[loc] = append(got[loc], models.FormatDirectiveLine(d, ""))
+		}
+	}
+	add("database", db.Metadata)
+	for _, s := range db.Schemas {
+		for _, tbl := range s.Tables {
+			add("table:"+tbl.Name, tbl.Metadata)
+			for _, c := range tbl.Columns {
+				add("column:"+c.Name, c.Metadata)
+			}
+			for _, i := range tbl.Indexes {
+				add("index:"+i.Name, i.Metadata)
+			}
+		}
+	}
+	return got
+}
+
+func TestDirectives_RoundTrip(t *testing.T) {
+	db1 := readDBML(t, directiveSrc)
+	out1 := writeDBML(t, db1)
+	db2 := readDBML(t, out1)
+	out2 := writeDBML(t, db2)
+
+	assert.Equal(t, out1, out2, "DBML directive output should be idempotent")
+	assert.Equal(t, collectDirectives(db1), collectDirectives(db2), "directives preserved through round-trip")
+
+	// Spot-check each location survived.
+	d := collectDirectives(db2)
+	assert.Contains(t, d["database"], "@postgres: search_path myapp")
+	assert.Contains(t, d["table:events"], "@postgres: partition by RANGE (created_at)")
+	assert.Contains(t, d["table:events"], "@sqlite: without rowid")
+	assert.Contains(t, d["column:id"], "@postgres: identity always")
+	assert.Contains(t, d["index:idx_events_created"], "@postgres: with (fillfactor=90)")
+}
+
+func TestDirectives_WriterEmitsColumnTarget(t *testing.T) {
+	db := readDBML(t, directiveSrc)
+	out := writeDBML(t, db)
+	assert.Contains(t, out, "@postgres(id): identity always")
+}

pkg/writers/dbml/writer.go

@@ -27,7 +27,7 @@ func (w *Writer) WriteDatabase(db *models.Database) error {
 	content := w.databaseToDBML(db)
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	fmt.Print(content)
@@ -39,7 +39,7 @@ func (w *Writer) WriteSchema(schema *models.Schema) error {
 	content := w.schemaToDBML(schema)
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	fmt.Print(content)
@@ -51,7 +51,7 @@ func (w *Writer) WriteTable(table *models.Table) error {
 	content := w.tableToDBML(table)
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	fmt.Print(content)
@@ -72,6 +72,14 @@ func (w *Writer) databaseToDBML(d *models.Database) string {
 		sb.WriteString("\n")
 	}
 
+	if dirLines := directiveLines(d.Metadata, "", ""); len(dirLines) > 0 {
+		for _, line := range dirLines {
+			sb.WriteString(line)
+			sb.WriteString("\n")
+		}
+		sb.WriteString("\n")
+	}
+
 	for _, schema := range d.Schemas {
 		sb.WriteString(w.schemaToDBML(schema))
 	}
@@ -146,6 +154,11 @@ func (w *Writer) tableToDBML(t *models.Table) string {
 			fmt.Fprintf(&sb, " // %s", column.Comment)
 		}
 		sb.WriteString("\n")
+
+		for _, line := range directiveLines(column.Metadata, "  ", column.Name) {
+			sb.WriteString(line)
+			sb.WriteString("\n")
+		}
 	}
 
 	if len(t.Indexes) > 0 {
@@ -167,10 +180,20 @@ func (w *Writer) tableToDBML(t *models.Table) string {
 				fmt.Fprintf(&sb, " [%s]", strings.Join(indexAttrs, ", "))
 			}
 			sb.WriteString("\n")
+
+			for _, line := range directiveLines(index.Metadata, "    ", "") {
+				sb.WriteString(line)
+				sb.WriteString("\n")
+			}
 		}
 		sb.WriteString("  }\n")
 	}
 
+	for _, line := range directiveLines(t.Metadata, "  ", "") {
+		sb.WriteString(line)
+		sb.WriteString("\n")
+	}
+
 	note := strings.TrimSpace(t.Description + " " + t.Comment)
 	if note != "" {
 		fmt.Fprintf(&sb, "\n  Note: '%s'\n", note)

pkg/writers/dbml/writer_test.go

@@ -5,9 +5,10 @@ import (
 	"path/filepath"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/writers"
-	"github.com/stretchr/testify/assert"
 )
 
 func TestWriter_WriteTable(t *testing.T) {

pkg/writers/dctx/roundtrip_test.go

@@ -5,11 +5,12 @@ import (
 	"path/filepath"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/readers"
 	dctxreader "git.warky.dev/wdevs/relspecgo/pkg/readers/dctx"
 	"git.warky.dev/wdevs/relspecgo/pkg/writers"
-	"github.com/stretchr/testify/assert"
 )
 
 func TestRoundTrip_WriteAndRead(t *testing.T) {

pkg/writers/dctx/writer_test.go

@@ -5,9 +5,10 @@ import (
 	"os"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/writers"
-	"github.com/stretchr/testify/assert"
 )
 
 func TestWriter_WriteSchema(t *testing.T) {

pkg/writers/drawdb/writer.go

@@ -48,7 +48,7 @@ func (w *Writer) writeJSON(data interface{}) error {
 	}
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, jsonData, 0644)
+		return os.WriteFile(w.options.OutputPath, jsonData, 0o644)
 	}
 
 	// If no output path, print to stdout

pkg/writers/drizzle/writer.go

@@ -115,7 +115,7 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
 	}
 
 	// Create output directory if it doesn't exist
-	if err := os.MkdirAll(w.options.OutputPath, 0755); err != nil {
+	if err := os.MkdirAll(w.options.OutputPath, 0o755); err != nil {
 		return fmt.Errorf("failed to create output directory: %w", err)
 	}
 
@@ -163,7 +163,7 @@ func (w *Writer) writeEnumsFile(schema *models.Schema) error {
 
 	// Write to enums.ts file
 	filename := filepath.Join(w.options.OutputPath, "enums.ts")
-	return os.WriteFile(filename, []byte(code), 0644)
+	return os.WriteFile(filename, []byte(code), 0o644)
 }
 
 // writeTableFile writes a single table to its own file
@@ -200,7 +200,7 @@ func (w *Writer) writeTableFile(table *models.Table, schema *models.Schema, db *
 	// Sanitize table name to remove quotes, comments, and invalid characters
 	safeTableName := writers.SanitizeFilename(table.Name)
 	filename := filepath.Join(w.options.OutputPath, safeTableName+".ts")
-	return os.WriteFile(filename, []byte(code), 0644)
+	return os.WriteFile(filename, []byte(code), 0o644)
 }
 
 // buildTableData builds TableData from a models.Table
@@ -533,7 +533,7 @@ func (w *Writer) getForeignKeyForColumn(columnName string, table *models.Table)
 // writeOutput writes the content to file or stdout
 func (w *Writer) writeOutput(content string) error {
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	// Print to stdout

pkg/writers/gorm/writer.go

@@ -152,7 +152,7 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
 	}
 
 	// Create output directory if it doesn't exist
-	if err := os.MkdirAll(w.options.OutputPath, 0755); err != nil {
+	if err := os.MkdirAll(w.options.OutputPath, 0o755); err != nil {
 		return fmt.Errorf("failed to create output directory: %w", err)
 	}
 
@@ -218,7 +218,7 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
 			filepath := filepath.Join(w.options.OutputPath, filename)
 
 			// Write file
-			if err := os.WriteFile(filepath, []byte(formatted), 0644); err != nil {
+			if err := os.WriteFile(filepath, []byte(formatted), 0o644); err != nil {
 				return fmt.Errorf("failed to write file %s: %w", filename, err)
 			}
 
@@ -422,7 +422,7 @@ func (w *Writer) formatCode(code string) (string, error) {
 // writeOutput writes the content to file or stdout
 func (w *Writer) writeOutput(content string) error {
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	// Print to stdout

pkg/writers/graphql/relationships.go

@@ -76,7 +76,7 @@ func (w *Writer) generateRelationFields(table *models.Table, db *models.Database
 	return fields
 }
 
-func (w *Writer) getManyToManyField(table *models.Table, joinTable *models.Table, db *models.Database) string {
+func (w *Writer) getManyToManyField(table, joinTable *models.Table, db *models.Database) string {
 	// Find the two FK constraints in the join table
 	var fk1, fk2 *models.Constraint
 	for _, constraint := range joinTable.Constraints {

pkg/writers/graphql/writer.go

@@ -24,7 +24,7 @@ func (w *Writer) WriteDatabase(db *models.Database) error {
 	content := w.databaseToGraphQL(db)
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	fmt.Print(content)

pkg/writers/json/writer.go

@@ -55,7 +55,7 @@ func (w *Writer) WriteTable(table *models.Table) error {
 // writeOutput writes the content to file or stdout
 func (w *Writer) writeOutput(data []byte) error {
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, data, 0644)
+		return os.WriteFile(w.options.OutputPath, data, 0o644)
 	}
 
 	// Print to stdout

pkg/writers/mssql/writer_test.go

@@ -4,9 +4,10 @@ import (
 	"bytes"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/writers"
-	"github.com/stretchr/testify/assert"
 )
 
 // TestGenerateColumnDefinition tests column definition generation

pkg/writers/pgsql/README.md

@@ -172,6 +172,26 @@ When `include_audit` is enabled, adds:
 - Concurrent index creation (`CREATE INDEX CONCURRENTLY`) via `Index.Concurrent`
 - Check constraints with expressions
 - Extension types and indexes: PostGIS, pgvector, citext, hstore, ltree (see below)
+- DBML dialect directives (`@postgres:` — see below)
+
+### DBML dialect directives
+
+`@postgres:` directives carried on a model object's `Metadata` (typically from a
+DBML source file) are translated to SQL:
+
+| Directive | Location | Emitted |
+|-----------|----------|---------|
+| `@postgres: partition by …` | table | `PARTITION BY …` on `CREATE TABLE` |
+| `@postgres: inherits …` | table | `INHERITS (…)` |
+| `@postgres: with (…)` | table, index | `WITH (…)` (on an index, overrides the comment-derived `WITH`) |
+| `@postgres: tablespace …` | table, index | `TABLESPACE …` |
+| `@postgres(col): storage …` | column | `STORAGE …` |
+| `@postgres(col): compression …` | column | `COMPRESSION …` |
+| `@postgres(col): identity always` / `identity by default` | column | `GENERATED ALWAYS/BY DEFAULT AS IDENTITY` |
+
+Directives for other dialects (`@sqlite:` …) are ignored. With
+`WriterOptions.StrictDirectives` (CLI `--strict-directives`) an untranslatable
+`@postgres:` key is an error. Full reference: [`docs/DBML_DIRECTIVES.md`](../../../docs/DBML_DIRECTIVES.md).
 
 ## Data Types
 

pkg/writers/pgsql/directives.go

@@ -0,0 +1,184 @@
+package pgsql
+
+import (
+	"fmt"
+	"strings"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+// directiveNamespace is the dialect namespace this writer consumes. Directives
+// for other namespaces (e.g. "sqlite") are ignored and never emitted as SQL.
+const directiveNamespace = "postgres"
+
+// pgHandledDirectives maps a directive location to the set of postgres keys this
+// writer knows how to translate. In strict mode an unknown key for this
+// namespace at a supported location is a hard error.
+var pgHandledDirectives = map[string]map[string]bool{
+	models.DirectiveLocationTable:  {"partition": true, "inherits": true, "with": true, "tablespace": true},
+	models.DirectiveLocationColumn: {"storage": true, "compression": true, "identity": true},
+	models.DirectiveLocationIndex:  {"with": true, "tablespace": true},
+}
+
+// checkDirectives validates postgres directives across a schema when strict mode
+// is enabled. It returns an error for any postgres directive whose key this
+// writer cannot translate. With strict mode off it is a no-op.
+func (w *Writer) checkDirectives(schema *models.Schema) error {
+	if w.options == nil || !w.options.StrictDirectives {
+		return nil
+	}
+	for _, table := range schema.Tables {
+		if err := checkObjectDirectives(table.Metadata, models.DirectiveLocationTable, table.Name); err != nil {
+			return err
+		}
+		for _, col := range table.Columns {
+			if err := checkObjectDirectives(col.Metadata, models.DirectiveLocationColumn, table.Name+"."+col.Name); err != nil {
+				return err
+			}
+		}
+		for _, idx := range table.Indexes {
+			if err := checkObjectDirectives(idx.Metadata, models.DirectiveLocationIndex, idx.Name); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func checkObjectDirectives(meta map[string]any, location, owner string) error {
+	for _, d := range models.DirectivesForNamespace(meta, directiveNamespace) {
+		if !pgHandledDirectives[location][d.Key] {
+			return fmt.Errorf("pgsql: %s: unsupported @postgres directive %q at %s level (strict mode)", owner, d.Key, location)
+		}
+	}
+	return nil
+}
+
+// upperLeadingClause upcases a known leading keyword phrase in a directive
+// argument so the emitted SQL reads conventionally. Identifiers that follow are
+// left untouched.
+func upperLeadingClause(args, lowerPrefix, upperPrefix string) string {
+	args = strings.TrimSpace(args)
+	if strings.HasPrefix(strings.ToLower(args), lowerPrefix) {
+		return upperPrefix + args[len(lowerPrefix):]
+	}
+	return args
+}
+
+// pgTableDirectiveSuffix returns the clause appended after the closing ")" of a
+// CREATE TABLE statement, e.g. " PARTITION BY RANGE (created_at) TABLESPACE fast".
+func pgTableDirectiveSuffix(table *models.Table) string {
+	directives := models.DirectivesForNamespace(table.Metadata, directiveNamespace)
+	if len(directives) == 0 {
+		return ""
+	}
+
+	byKey := firstByKey(directives)
+
+	var parts []string
+	if d, ok := byKey["partition"]; ok {
+		parts = append(parts, upperLeadingClause(d.Args, "partition by", "PARTITION BY"))
+	}
+	if d, ok := byKey["inherits"]; ok {
+		parts = append(parts, upperLeadingClause(d.Args, "inherits", "INHERITS"))
+	}
+	if d, ok := byKey["with"]; ok {
+		parts = append(parts, upperLeadingClause(d.Args, "with", "WITH"))
+	}
+	if d, ok := byKey["tablespace"]; ok {
+		parts = append(parts, upperLeadingClause(d.Args, "tablespace", "TABLESPACE"))
+	}
+	if len(parts) == 0 {
+		return ""
+	}
+	return " " + strings.Join(parts, " ")
+}
+
+// pgColumnDirectiveSuffix returns the clause appended to a column definition,
+// e.g. " STORAGE PLAIN" or " GENERATED ALWAYS AS IDENTITY".
+func pgColumnDirectiveSuffix(col *models.Column) string {
+	directives := models.DirectivesForNamespace(col.Metadata, directiveNamespace)
+	if len(directives) == 0 {
+		return ""
+	}
+	byKey := firstByKey(directives)
+
+	var parts []string
+	if d, ok := byKey["storage"]; ok {
+		parts = append(parts, upperLeadingClause(d.Args, "storage", "STORAGE"))
+	}
+	if d, ok := byKey["compression"]; ok {
+		parts = append(parts, upperLeadingClause(d.Args, "compression", "COMPRESSION"))
+	}
+	if d, ok := byKey["identity"]; ok {
+		parts = append(parts, identityClause(d.Args))
+	}
+	if len(parts) == 0 {
+		return ""
+	}
+	return " " + strings.Join(parts, " ")
+}
+
+// identityClause maps the two documented identity forms to standard SQL,
+// falling back to a verbatim (upcased-keyword) rendering.
+func identityClause(args string) string {
+	switch strings.ToLower(strings.Join(strings.Fields(args), " ")) {
+	case "identity always":
+		return "GENERATED ALWAYS AS IDENTITY"
+	case "identity default", "identity by default":
+		return "GENERATED BY DEFAULT AS IDENTITY"
+	default:
+		return upperLeadingClause(args, "identity", "IDENTITY")
+	}
+}
+
+// pgIndexDirectiveWith returns the parenthesised storage-parameter list from an
+// @postgres: with (...) index directive, e.g. "fillfactor=90", or "".
+func pgIndexDirectiveWith(index *models.Index) string {
+	for _, d := range models.DirectivesForNamespace(index.Metadata, directiveNamespace) {
+		if d.Key != "with" {
+			continue
+		}
+		inner := d.Args
+		if i := strings.Index(inner, "("); i >= 0 {
+			if j := strings.LastIndex(inner, ")"); j > i {
+				return strings.TrimSpace(inner[i+1 : j])
+			}
+		}
+		return strings.TrimSpace(strings.TrimPrefix(strings.ToLower(inner), "with"))
+	}
+	return ""
+}
+
+// pgIndexWithParams returns the storage-parameter list to use for an index,
+// preferring an @postgres: with (...) directive over the given fallback (e.g.
+// one derived from the index comment).
+func pgIndexWithParams(index *models.Index, fallback string) string {
+	if p := pgIndexDirectiveWith(index); p != "" {
+		return p
+	}
+	return fallback
+}
+
+// pgIndexDirectiveTablespace returns the tablespace name from an
+// @postgres: tablespace <name> index directive, or "".
+func pgIndexDirectiveTablespace(index *models.Index) string {
+	for _, d := range models.DirectivesForNamespace(index.Metadata, directiveNamespace) {
+		if d.Key == "tablespace" {
+			return strings.TrimSpace(strings.TrimPrefix(strings.ToLower(d.Args), "tablespace"))
+		}
+	}
+	return ""
+}
+
+// firstByKey indexes directives by key, keeping the first occurrence (the
+// documented postgres keys used here are all singletons).
+func firstByKey(directives []models.Directive) map[string]models.Directive {
+	byKey := make(map[string]models.Directive, len(directives))
+	for _, d := range directives {
+		if _, exists := byKey[d.Key]; !exists {
+			byKey[d.Key] = d
+		}
+	}
+	return byKey
+}

pkg/writers/pgsql/directives_test.go

@@ -0,0 +1,107 @@
+package pgsql
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+	"git.warky.dev/wdevs/relspecgo/pkg/writers"
+)
+
+func directiveTestDB(t *testing.T) *models.Database {
+	t.Helper()
+	db := models.InitDatabase("testdb")
+	schema := models.InitSchema("public")
+	table := models.InitTable("events", "public")
+
+	id := models.InitColumn("id", "events", "public")
+	id.Type = "bigint"
+	id.IsPrimaryKey = true
+	id.NotNull = true
+	models.AddDirective(id.Metadata, models.Directive{Namespace: "postgres", Args: "identity always"})
+	models.AddDirective(id.Metadata, models.Directive{Namespace: "sqlite", Args: "collate NOCASE"})
+	table.Columns["id"] = id
+
+	created := models.InitColumn("created_at", "events", "public")
+	created.Type = "timestamp"
+	created.NotNull = true
+	table.Columns["created_at"] = created
+
+	models.AddDirective(table.Metadata, models.Directive{Namespace: "postgres", Args: "partition by RANGE (created_at)"})
+	models.AddDirective(table.Metadata, models.Directive{Namespace: "postgres", Args: "tablespace fast_data"})
+	models.AddDirective(table.Metadata, models.Directive{Namespace: "sqlite", Args: "without rowid"})
+
+	idx := models.InitIndex("idx_events_created", "events", "public")
+	idx.Columns = []string{"created_at"}
+	models.AddDirective(idx.Metadata, models.Directive{Namespace: "postgres", Args: "with (fillfactor=90)"})
+	models.AddDirective(idx.Metadata, models.Directive{Namespace: "postgres", Args: "tablespace idx_space"})
+	table.Indexes["idx_events_created"] = idx
+
+	schema.Tables = append(schema.Tables, table)
+	db.Schemas = append(db.Schemas, schema)
+	return db
+}
+
+func TestPgDirectives_WriteDatabasePath(t *testing.T) {
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{})
+	w.writer = &buf
+	if err := w.WriteDatabase(directiveTestDB(t)); err != nil {
+		t.Fatalf("WriteDatabase: %v", err)
+	}
+	out := buf.String()
+
+	for _, want := range []string{
+		") PARTITION BY RANGE (created_at) TABLESPACE fast_data",
+		"GENERATED ALWAYS AS IDENTITY",
+		"WITH (fillfactor=90) TABLESPACE idx_space",
+	} {
+		if !strings.Contains(out, want) {
+			t.Errorf("missing %q in:\n%s", want, out)
+		}
+	}
+	// sqlite directives must never reach PG output.
+	if strings.Contains(out, "WITHOUT ROWID") || strings.Contains(strings.ToUpper(out), "COLLATE NOCASE") {
+		t.Errorf("sqlite directive leaked into PG output:\n%s", out)
+	}
+}
+
+func TestPgDirectives_WriteSchemaPath(t *testing.T) {
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{})
+	w.writer = &buf
+	if err := w.WriteSchema(directiveTestDB(t).Schemas[0]); err != nil {
+		t.Fatalf("WriteSchema: %v", err)
+	}
+	out := buf.String()
+	if !strings.Contains(out, ") PARTITION BY RANGE (created_at) TABLESPACE fast_data;") {
+		t.Errorf("table suffix missing from WriteSchema path:\n%s", out)
+	}
+	if !strings.Contains(out, "WITH (fillfactor=90) TABLESPACE idx_space") {
+		t.Errorf("index clauses missing from WriteSchema path:\n%s", out)
+	}
+}
+
+func TestPgDirectives_StrictUnknownKeyErrors(t *testing.T) {
+	db := directiveTestDB(t)
+	models.AddDirective(db.Schemas[0].Tables[0].Metadata, models.Directive{Namespace: "postgres", Args: "frobnicate x"})
+
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{StrictDirectives: true})
+	w.writer = &buf
+	err := w.WriteSchema(db.Schemas[0])
+	if err == nil || !strings.Contains(err.Error(), "frobnicate") {
+		t.Fatalf("want strict error for unknown postgres key, got %v", err)
+	}
+}
+
+func TestPgDirectives_StrictIgnoresOtherNamespaces(t *testing.T) {
+	// sqlite directives are present but must not trip PG strict mode.
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{StrictDirectives: true})
+	w.writer = &buf
+	if err := w.WriteSchema(directiveTestDB(t).Schemas[0]); err != nil {
+		t.Fatalf("strict mode should ignore non-postgres directives, got %v", err)
+	}
+}

pkg/writers/pgsql/migration_writer.go

@@ -47,7 +47,7 @@ func NewMigrationWriter(options *writers.WriterOptions) (*MigrationWriter, error
 }
 
 // WriteMigration generates migration scripts using templates
-func (w *MigrationWriter) WriteMigration(model *models.Database, current *models.Database) error {
+func (w *MigrationWriter) WriteMigration(model, current *models.Database) error {
 	if model == nil {
 		return fmt.Errorf("model database is required")
 	}
@@ -161,7 +161,7 @@ func (w *MigrationWriter) WriteMigration(model *models.Database, current *models
 }
 
 // generateSchemaScripts generates migration scripts for a schema using templates
-func (w *MigrationWriter) generateSchemaScripts(model *models.Schema, current *models.Schema) ([]MigrationScript, error) {
+func (w *MigrationWriter) generateSchemaScripts(model, current *models.Schema) ([]MigrationScript, error) {
 	scripts := make([]MigrationScript, 0)
 
 	for _, extension := range requiredExtensions(model) {
@@ -220,7 +220,7 @@ func (w *MigrationWriter) generateSchemaScripts(model *models.Schema, current *m
 // generateDropScripts generates DROP scripts using templates.
 // Returns the scripts and a set of FK constraint keys (schema.table.name) that were
 // explicitly dropped because their referenced PK was being dropped, so they can be force-recreated.
-func (w *MigrationWriter) generateDropScripts(model *models.Schema, current *models.Schema) ([]MigrationScript, map[string]bool, error) {
+func (w *MigrationWriter) generateDropScripts(model, current *models.Schema) ([]MigrationScript, map[string]bool, error) {
 	scripts := make([]MigrationScript, 0)
 	droppedFKs := make(map[string]bool)
 
@@ -349,7 +349,7 @@ func (w *MigrationWriter) generateDropScripts(model *models.Schema, current *mod
 }
 
 // generateTableScripts generates CREATE/ALTER TABLE scripts using templates
-func (w *MigrationWriter) generateTableScripts(model *models.Schema, current *models.Schema) ([]MigrationScript, error) {
+func (w *MigrationWriter) generateTableScripts(model, current *models.Schema) ([]MigrationScript, error) {
 	scripts := make([]MigrationScript, 0)
 
 	// Build map of current tables
@@ -394,7 +394,7 @@ func (w *MigrationWriter) generateTableScripts(model *models.Schema, current *mo
 }
 
 // generateAlterTableScripts generates ALTER TABLE scripts using templates
-func (w *MigrationWriter) generateAlterTableScripts(schema *models.Schema, modelTable *models.Table, currentTable *models.Table) ([]MigrationScript, error) {
+func (w *MigrationWriter) generateAlterTableScripts(schema *models.Schema, modelTable, currentTable *models.Table) ([]MigrationScript, error) {
 	scripts := make([]MigrationScript, 0)
 
 	// Build map of current columns
@@ -514,7 +514,7 @@ func (w *MigrationWriter) generateAlterTableScripts(schema *models.Schema, model
 }
 
 // generateIndexScripts generates CREATE INDEX scripts using templates
-func (w *MigrationWriter) generateIndexScripts(model *models.Schema, current *models.Schema) ([]MigrationScript, error) {
+func (w *MigrationWriter) generateIndexScripts(model, current *models.Schema) ([]MigrationScript, error) {
 	scripts := make([]MigrationScript, 0)
 
 	// Build map of current tables
@@ -709,7 +709,7 @@ func buildIndexColumnExpressionsFiltered(table *models.Table, index *models.Inde
 // generateForeignKeyScripts generates ADD CONSTRAINT FOREIGN KEY scripts using templates.
 // forceRecreate is a set of FK constraint keys (schema.table.name) that must be recreated
 // even if unchanged, because their referenced PK was dropped and recreated.
-func (w *MigrationWriter) generateForeignKeyScripts(model *models.Schema, current *models.Schema, forceRecreate map[string]bool) ([]MigrationScript, error) {
+func (w *MigrationWriter) generateForeignKeyScripts(model, current *models.Schema, forceRecreate map[string]bool) ([]MigrationScript, error) {
 	scripts := make([]MigrationScript, 0)
 
 	// Build map of current tables
@@ -787,7 +787,7 @@ func (w *MigrationWriter) generateForeignKeyScripts(model *models.Schema, curren
 }
 
 // generateCommentScripts generates COMMENT ON scripts using templates
-func (w *MigrationWriter) generateCommentScripts(model *models.Schema, current *models.Schema) ([]MigrationScript, error) {
+func (w *MigrationWriter) generateCommentScripts(model, current *models.Schema) ([]MigrationScript, error) {
 	scripts := make([]MigrationScript, 0)
 	_ = current // TODO: Compare with current schema to only add new/changed comments
 

pkg/writers/pgsql/writer.go

@@ -143,6 +143,10 @@ func (w *Writer) GenerateDatabaseStatements(db *models.Database) ([]string, erro
 func (w *Writer) GenerateSchemaStatements(schema *models.Schema) ([]string, error) {
 	statements := []string{}
 
+	if err := w.checkDirectives(schema); err != nil {
+		return nil, err
+	}
+
 	// Phase 1: Create schema (skip entirely when flattening)
 	if schema.Name != "public" && !w.options.FlattenSchema {
 		statements = append(statements, fmt.Sprintf("-- Schema: %s", schema.Name))
@@ -277,17 +281,22 @@ func (w *Writer) GenerateSchemaStatements(schema *models.Schema) ([]string, erro
 			columnExprs := buildIndexColumnExpressions(table, index, indexType)
 
 			withClause := ""
-			if params := indexStorageParameters(index.Comment); params != "" {
+			if params := pgIndexWithParams(index, indexStorageParameters(index.Comment)); params != "" {
 				withClause = fmt.Sprintf(" WITH (%s)", params)
 			}
 
+			tablespaceClause := ""
+			if ts := pgIndexDirectiveTablespace(index); ts != "" {
+				tablespaceClause = fmt.Sprintf(" TABLESPACE %s", ts)
+			}
+
 			whereClause := ""
 			if index.Where != "" {
 				whereClause = fmt.Sprintf(" WHERE %s", index.Where)
 			}
 
-			stmt := fmt.Sprintf("CREATE %sINDEX IF NOT EXISTS %s ON %s USING %s (%s)%s%s",
-				uniqueStr, quoteIdentifier(index.Name), w.qualTable(schema.SQLName(), table.SQLName()), indexType, strings.Join(columnExprs, ", "), withClause, whereClause)
+			stmt := fmt.Sprintf("CREATE %sINDEX IF NOT EXISTS %s ON %s USING %s (%s)%s%s%s",
+				uniqueStr, quoteIdentifier(index.Name), w.qualTable(schema.SQLName(), table.SQLName()), indexType, strings.Join(columnExprs, ", "), withClause, tablespaceClause, whereClause)
 			statements = append(statements, stmt)
 		}
 	}
@@ -581,8 +590,9 @@ func (w *Writer) generateCreateTableStatement(schema *models.Schema, table *mode
 		columnDefs = append(columnDefs, "  "+def)
 	}
 
-	stmt := fmt.Sprintf("CREATE TABLE IF NOT EXISTS %s (\n%s\n)",
-		w.qualTable(schema.SQLName(), table.SQLName()), strings.Join(columnDefs, ",\n"))
+	stmt := fmt.Sprintf("CREATE TABLE IF NOT EXISTS %s (\n%s\n)%s",
+		w.qualTable(schema.SQLName(), table.SQLName()), strings.Join(columnDefs, ",\n"),
+		pgTableDirectiveSuffix(table))
 	statements = append(statements, stmt)
 
 	return statements, nil
@@ -611,7 +621,7 @@ func (w *Writer) generateColumnDefinition(col *models.Column) string {
 		}
 	}
 
-	return strings.Join(parts, " ")
+	return strings.Join(parts, " ") + pgColumnDirectiveSuffix(col)
 }
 
 func effectiveColumnSQLType(col *models.Column) string {
@@ -678,6 +688,10 @@ func (w *Writer) WriteSchema(schema *models.Schema) error {
 		w.writer = os.Stdout
 	}
 
+	if err := w.checkDirectives(schema); err != nil {
+		return err
+	}
+
 	// Phase 1: Create schema (priority 1)
 	if err := w.writeCreateSchema(schema); err != nil {
 		return err
@@ -884,7 +898,7 @@ func (w *Writer) writeCreateTables(schema *models.Schema) error {
 		}
 
 		fmt.Fprintf(w.writer, "%s\n", strings.Join(columnDefs, ",\n"))
-		fmt.Fprintf(w.writer, ");\n\n")
+		fmt.Fprintf(w.writer, ")%s;\n\n", pgTableDirectiveSuffix(table))
 	}
 
 	return nil
@@ -1079,10 +1093,15 @@ func (w *Writer) writeIndexes(schema *models.Schema) error {
 			}
 
 			withClause := ""
-			if params := indexStorageParameters(index.Comment); params != "" {
+			if params := pgIndexWithParams(index, indexStorageParameters(index.Comment)); params != "" {
 				withClause = fmt.Sprintf(" WITH (%s)", params)
 			}
 
+			tablespaceClause := ""
+			if ts := pgIndexDirectiveTablespace(index); ts != "" {
+				tablespaceClause = fmt.Sprintf(" TABLESPACE %s", ts)
+			}
+
 			whereClause := ""
 			if index.Where != "" {
 				whereClause = fmt.Sprintf(" WHERE %s", index.Where)
@@ -1095,8 +1114,8 @@ func (w *Writer) writeIndexes(schema *models.Schema) error {
 
 			fmt.Fprintf(w.writer, "CREATE %sINDEX %sIF NOT EXISTS %s\n",
 				unique, concurrently, indexName)
-			fmt.Fprintf(w.writer, "  ON %s USING %s (%s)%s%s;\n\n",
-				w.qualTable(schema.SQLName(), table.SQLName()), indexType, strings.Join(columnExprs, ", "), withClause, whereClause)
+			fmt.Fprintf(w.writer, "  ON %s USING %s (%s)%s%s%s;\n\n",
+				w.qualTable(schema.SQLName(), table.SQLName()), indexType, strings.Join(columnExprs, ", "), withClause, tablespaceClause, whereClause)
 		}
 	}
 
@@ -1579,11 +1598,6 @@ func indexOperatorClassForColumn(col *models.Column, indexType, comment string)
 	}
 }
 
-// ginOperatorClassForColumn is the GIN-specific form of indexOperatorClassForColumn.
-func ginOperatorClassForColumn(col *models.Column, comment string) string {
-	return indexOperatorClassForColumn(col, "gin", comment)
-}
-
 func operatorClassCompatible(method, baseType string, isArray bool, opClass string) bool {
 	if vectorType, ok := vectorOperatorClasses[opClass]; ok {
 		return !isArray && baseType == vectorType && isVectorIndexMethod(method)
@@ -1604,10 +1618,6 @@ func operatorClassCompatible(method, baseType string, isArray bool, opClass stri
 	}
 }
 
-func ginOperatorClassCompatible(baseType string, isArray bool, opClass string) bool {
-	return operatorClassCompatible("gin", baseType, isArray, opClass)
-}
-
 func isTextGinBaseType(baseType string) bool {
 	switch baseType {
 	case "text", "varchar", "character varying", "char", "character", "string", "citext", "bpchar":
@@ -1793,15 +1803,6 @@ func nativeGistBaseType(baseType string) bool {
 	return strings.HasSuffix(baseType, "range") || strings.HasSuffix(baseType, "multirange")
 }
 
-func schemaRequiresPGTrgm(schema *models.Schema) bool {
-	for _, ext := range requiredExtensions(schema) {
-		if ext == "pg_trgm" {
-			return true
-		}
-	}
-	return false
-}
-
 func resolveIndexColumn(table *models.Table, colName string) (*models.Column, bool) {
 	if table == nil {
 		return nil, false

pkg/writers/prisma/writer.go

@@ -27,7 +27,7 @@ func (w *Writer) WriteDatabase(db *models.Database) error {
 	content := w.databaseToPrisma(db)
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	fmt.Print(content)

pkg/writers/sqlite/README.md

@@ -118,6 +118,21 @@ CREATE TABLE "posts" (
 - **Check Constraints**: Generated as comments (should be added to CREATE TABLE manually)
 - **Indexes**: Generated without PostgreSQL-specific features (no GIN, GiST, operator classes)
 
+## DBML dialect directives
+
+`@sqlite:` directives carried on a model object's `Metadata` (typically from a
+DBML source file) are translated to SQL:
+
+| Directive | Location | Emitted |
+|-----------|----------|---------|
+| `@sqlite: without rowid` | table | `WITHOUT ROWID` table option |
+| `@sqlite: strict` | table | `STRICT` table option (after `WITHOUT ROWID`) |
+| `@sqlite(col): collate …` | column | ` COLLATE …` in the column definition |
+
+Directives for other dialects (`@postgres:` …) are ignored. With
+`WriterOptions.StrictDirectives` (CLI `--strict-directives`) an untranslatable
+`@sqlite:` key is an error. Full reference: [`docs/DBML_DIRECTIVES.md`](../../../docs/DBML_DIRECTIVES.md).
+
 ## Output Structure
 
 Generated SQL follows this order:

pkg/writers/sqlite/directives.go

@@ -0,0 +1,84 @@
+package sqlite
+
+import (
+	"fmt"
+	"strings"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+)
+
+// directiveNamespace is the dialect namespace this writer consumes. Directives
+// for other namespaces (e.g. "postgres") are ignored and never emitted as SQL.
+const directiveNamespace = "sqlite"
+
+// sqliteHandledDirectives maps a directive location to the set of sqlite keys
+// this writer knows how to translate. In strict mode an unknown key for this
+// namespace at a supported location is a hard error.
+var sqliteHandledDirectives = map[string]map[string]bool{
+	models.DirectiveLocationTable:  {"without": true, "strict": true},
+	models.DirectiveLocationColumn: {"collate": true},
+}
+
+// checkDirectives validates sqlite directives across a schema when strict mode
+// is enabled. With strict mode off it is a no-op.
+func (w *Writer) checkDirectives(schema *models.Schema) error {
+	if w.options == nil || !w.options.StrictDirectives {
+		return nil
+	}
+	for _, table := range schema.Tables {
+		if err := checkObjectDirectives(table.Metadata, models.DirectiveLocationTable, table.Name); err != nil {
+			return err
+		}
+		for _, col := range table.Columns {
+			if err := checkObjectDirectives(col.Metadata, models.DirectiveLocationColumn, table.Name+"."+col.Name); err != nil {
+				return err
+			}
+		}
+		for _, idx := range table.Indexes {
+			if err := checkObjectDirectives(idx.Metadata, models.DirectiveLocationIndex, idx.Name); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func checkObjectDirectives(meta map[string]any, location, owner string) error {
+	for _, d := range models.DirectivesForNamespace(meta, directiveNamespace) {
+		if !sqliteHandledDirectives[location][d.Key] {
+			return fmt.Errorf("sqlite: %s: unsupported @sqlite directive %q at %s level (strict mode)", owner, d.Key, location)
+		}
+	}
+	return nil
+}
+
+// sqliteTableOptions returns the trailing table-option clause for a CREATE TABLE
+// statement, e.g. "WITHOUT ROWID, STRICT". WITHOUT ROWID is emitted before
+// STRICT, matching SQLite's own grammar ordering.
+func sqliteTableOptions(table *models.Table) string {
+	var opts []string
+	if models.HasDirective(table.Metadata, directiveNamespace, "without") {
+		opts = append(opts, "WITHOUT ROWID")
+	}
+	if models.HasDirective(table.Metadata, directiveNamespace, "strict") {
+		opts = append(opts, "STRICT")
+	}
+	return strings.Join(opts, ", ")
+}
+
+// sqliteColumnCollate returns a " COLLATE <name>" clause for a column carrying an
+// @sqlite(col): collate <name> directive, or "".
+func sqliteColumnCollate(col *models.Column) string {
+	for _, d := range models.DirectivesForNamespace(col.Metadata, directiveNamespace) {
+		if d.Key != "collate" {
+			continue
+		}
+		name := strings.TrimSpace(strings.TrimPrefix(strings.TrimSpace(d.Args), "collate"))
+		name = strings.TrimSpace(name)
+		if name == "" {
+			return ""
+		}
+		return " COLLATE " + name
+	}
+	return ""
+}

pkg/writers/sqlite/directives_test.go

@@ -0,0 +1,82 @@
+package sqlite
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"git.warky.dev/wdevs/relspecgo/pkg/models"
+	"git.warky.dev/wdevs/relspecgo/pkg/writers"
+)
+
+func sqliteDirectiveDB(t *testing.T) *models.Database {
+	t.Helper()
+	db := models.InitDatabase("testdb")
+	schema := models.InitSchema("public")
+	table := models.InitTable("events", "public")
+
+	id := models.InitColumn("id", "events", "public")
+	id.Type = "bigint"
+	id.IsPrimaryKey = true
+	id.NotNull = true
+	table.Columns["id"] = id
+
+	name := models.InitColumn("name", "events", "public")
+	name.Type = "varchar(200)"
+	name.NotNull = true
+	models.AddDirective(name.Metadata, models.Directive{Namespace: "sqlite", Args: "collate NOCASE"})
+	// A postgres directive on the same column must be ignored by the sqlite writer.
+	models.AddDirective(name.Metadata, models.Directive{Namespace: "postgres", Args: "storage plain"})
+	table.Columns["name"] = name
+
+	models.AddDirective(table.Metadata, models.Directive{Namespace: "sqlite", Args: "without rowid"})
+	models.AddDirective(table.Metadata, models.Directive{Namespace: "sqlite", Args: "strict"})
+	models.AddDirective(table.Metadata, models.Directive{Namespace: "postgres", Args: "partition by RANGE (id)"})
+
+	schema.Tables = append(schema.Tables, table)
+	db.Schemas = append(db.Schemas, schema)
+	return db
+}
+
+func TestSqliteDirectives_TableOptionsAndCollate(t *testing.T) {
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{})
+	w.writer = &buf
+	if err := w.WriteDatabase(sqliteDirectiveDB(t)); err != nil {
+		t.Fatalf("WriteDatabase: %v", err)
+	}
+	out := buf.String()
+
+	if !strings.Contains(out, ") WITHOUT ROWID, STRICT;") {
+		t.Errorf("missing table options clause:\n%s", out)
+	}
+	if !strings.Contains(out, `"name" TEXT COLLATE NOCASE NOT NULL`) {
+		t.Errorf("missing column COLLATE clause:\n%s", out)
+	}
+	// postgres directives must never reach sqlite output.
+	if strings.Contains(strings.ToUpper(out), "PARTITION BY") || strings.Contains(strings.ToUpper(out), "STORAGE PLAIN") {
+		t.Errorf("postgres directive leaked into sqlite output:\n%s", out)
+	}
+}
+
+func TestSqliteDirectives_StrictUnknownKeyErrors(t *testing.T) {
+	db := sqliteDirectiveDB(t)
+	models.AddDirective(db.Schemas[0].Tables[0].Metadata, models.Directive{Namespace: "sqlite", Args: "frobnicate x"})
+
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{StrictDirectives: true})
+	w.writer = &buf
+	err := w.WriteDatabase(db)
+	if err == nil || !strings.Contains(err.Error(), "frobnicate") {
+		t.Fatalf("want strict error for unknown sqlite key, got %v", err)
+	}
+}
+
+func TestSqliteDirectives_StrictIgnoresPostgres(t *testing.T) {
+	var buf bytes.Buffer
+	w := NewWriter(&writers.WriterOptions{StrictDirectives: true})
+	w.writer = &buf
+	if err := w.WriteDatabase(sqliteDirectiveDB(t)); err != nil {
+		t.Fatalf("strict mode should ignore postgres directives, got %v", err)
+	}
+}

pkg/writers/sqlite/template_functions.go

@@ -22,9 +22,10 @@ func GetTemplateFuncs(opts *writers.WriterOptions) template.FuncMap {
 		"format_constraint_name": func(schema, table, constraint string) string {
 			return FormatConstraintName(schema, table, constraint, opts)
 		},
-		"join":  strings.Join,
-		"lower": strings.ToLower,
-		"upper": strings.ToUpper,
+		"join":           strings.Join,
+		"lower":          strings.ToLower,
+		"upper":          strings.ToUpper,
+		"column_collate": sqliteColumnCollate,
 	}
 }
 

pkg/writers/sqlite/templates.go

@@ -40,11 +40,12 @@ func NewTemplateExecutor(opts *writers.WriterOptions) (*TemplateExecutor, error)
 
 // TableTemplateData contains data for table template
 type TableTemplateData struct {
-	Schema      string
-	Name        string
-	Columns     []*models.Column
-	PrimaryKey  *models.Constraint
-	ForeignKeys []ForeignKeyTemplateData
+	Schema       string
+	Name         string
+	Columns      []*models.Column
+	PrimaryKey   *models.Constraint
+	ForeignKeys  []ForeignKeyTemplateData
+	TableOptions string
 }
 
 // ForeignKeyTemplateData contains data for an inline FOREIGN KEY clause
@@ -188,11 +189,12 @@ func BuildTableTemplateData(schema string, table *models.Table) TableTemplateDat
 	}
 
 	return TableTemplateData{
-		Schema:      schema,
-		Name:        table.Name,
-		Columns:     columns,
-		PrimaryKey:  pk,
-		ForeignKeys: fks,
+		Schema:       schema,
+		Name:         table.Name,
+		Columns:      columns,
+		PrimaryKey:   pk,
+		ForeignKeys:  fks,
+		TableOptions: sqliteTableOptions(table),
 	}
 }
 

pkg/writers/sqlite/templates/create_table.tmpl

@@ -1,7 +1,7 @@
 CREATE TABLE {{quote_ident (qualified_table_name .Schema .Name)}} (
 {{- $hasAutoIncrement := false}}
 {{- range $i, $col := .Columns}}{{if $i}},{{end}}
-    {{quote_ident $col.Name}} {{map_type $col.Type}}{{if is_autoincrement $col}}{{$hasAutoIncrement = true}} PRIMARY KEY AUTOINCREMENT{{else}}{{if $col.NotNull}} NOT NULL{{end}}{{if ne (format_default $col) ""}} DEFAULT {{format_default $col}}{{end}}{{end}}
+    {{quote_ident $col.Name}} {{map_type $col.Type}}{{column_collate $col}}{{if is_autoincrement $col}}{{$hasAutoIncrement = true}} PRIMARY KEY AUTOINCREMENT{{else}}{{if $col.NotNull}} NOT NULL{{end}}{{if ne (format_default $col) ""}} DEFAULT {{format_default $col}}{{end}}{{end}}
 {{- end}}
 {{- if and .PrimaryKey (not $hasAutoIncrement)}}{{if gt (len .Columns) 0}},{{end}}
     PRIMARY KEY ({{range $i, $colName := .PrimaryKey.Columns}}{{if $i}}, {{end}}{{quote_ident $colName}}{{end}})
@@ -9,4 +9,4 @@ CREATE TABLE {{quote_ident (qualified_table_name .Schema .Name)}} (
 {{- range .ForeignKeys}},
     FOREIGN KEY ({{range $i, $col := .Columns}}{{if $i}}, {{end}}{{quote_ident $col}}{{end}}) REFERENCES {{quote_ident (qualified_table_name .ForeignSchema .ForeignTable)}} ({{range $i, $col := .ForeignColumns}}{{if $i}}, {{end}}{{quote_ident $col}}{{end}}){{if .OnDelete}} ON DELETE {{.OnDelete}}{{end}}{{if .OnUpdate}} ON UPDATE {{.OnUpdate}}{{end}}
 {{- end}}
-);
+){{if .TableOptions}} {{.TableOptions}}{{end}};

pkg/writers/sqlite/writer.go

@@ -186,6 +186,10 @@ func tableSchemaName(schema string) string {
 func (w *Writer) WriteSchema(schema *models.Schema) error {
 	tableSchema := tableSchemaName(schema.Name)
 
+	if err := w.checkDirectives(schema); err != nil {
+		return err
+	}
+
 	// SQLite doesn't have schemas, so we just write a comment (skip for the
 	// default schema, since its tables aren't actually being prefixed)
 	if tableSchema != "" {

pkg/writers/sqlite/writer_test.go

@@ -11,8 +11,8 @@ import (
 
 func TestNewWriter(t *testing.T) {
 	opts := &writers.WriterOptions{
-		OutputPath:     "/tmp/test.sql",
-		FlattenSchema:  false, // Should be forced to true
+		OutputPath:    "/tmp/test.sql",
+		FlattenSchema: false, // Should be forced to true
 	}
 
 	writer := NewWriter(opts)

pkg/writers/template/formatters.go

@@ -57,7 +57,7 @@ func Indent(s string, spaces int) string {
 
 // IndentWith indents each line of a string with a custom prefix
 // Usage: {{ .Column.Description | indentWith "    " }}
-func IndentWith(s string, prefix string) string {
+func IndentWith(s, prefix string) string {
 	if s == "" {
 		return ""
 	}
@@ -93,7 +93,7 @@ func EscapeQuotes(s string) string {
 // Comment adds comment prefix to a string
 // Supports: "//" (Go, C++, etc.), "#" (Python, shell), "--" (SQL), "/* */" (block)
 // Usage: {{ .Table.Description | comment "//" }}
-func Comment(s string, style string) string {
+func Comment(s, style string) string {
 	if s == "" {
 		return ""
 	}

pkg/writers/template/safe_access.go

@@ -8,13 +8,13 @@ import (
 
 // Get safely gets a value from a map by key
 // Usage: {{ get .Metadata "key" }}
-func Get(m interface{}, key interface{}) interface{} {
+func Get(m, key interface{}) interface{} {
 	return reflectutil.MapGet(m, key)
 }
 
 // GetOr safely gets a value from a map with a default fallback
 // Usage: {{ getOr .Metadata "key" "default" }}
-func GetOr(m interface{}, key interface{}, defaultValue interface{}) interface{} {
+func GetOr(m, key, defaultValue interface{}) interface{} {
 	result := Get(m, key)
 	if result == nil {
 		return defaultValue
@@ -56,7 +56,7 @@ func SafeIndexOr(slice interface{}, index int, defaultValue interface{}) interfa
 
 // Has checks if a key exists in a map
 // Usage: {{ if has .Metadata "key" }}...{{ end }}
-func Has(m interface{}, key interface{}) bool {
+func Has(m, key interface{}) bool {
 	v := reflect.ValueOf(m)
 
 	// Dereference pointers
@@ -189,7 +189,7 @@ func Omit(m interface{}, keys ...interface{}) map[interface{}]interface{} {
 
 // SliceContains checks if a slice contains a value
 // Usage: {{ if sliceContains .Names "admin" }}...{{ end }}
-func SliceContains(slice interface{}, value interface{}) bool {
+func SliceContains(slice, value interface{}) bool {
 	v := reflect.ValueOf(slice)
 	v, ok := reflectutil.Deref(v)
 	if !ok {
@@ -211,7 +211,7 @@ func SliceContains(slice interface{}, value interface{}) bool {
 
 // IndexOf returns the index of a value in a slice, or -1 if not found
 // Usage: {{ $idx := indexOf .Names "admin" }}
-func IndexOf(slice interface{}, value interface{}) int {
+func IndexOf(slice, value interface{}) int {
 	v := reflect.ValueOf(slice)
 	v, ok := reflectutil.Deref(v)
 	if !ok {

pkg/writers/template/writer.go

@@ -285,7 +285,7 @@ func (w *Writer) generateFilename(data *TemplateData) (string, error) {
 }
 
 // writeOutput writes the output to a file or stdout
-func (w *Writer) writeOutput(content string, outputPath string) error {
+func (w *Writer) writeOutput(content, outputPath string) error {
 	// If output path is empty, write to stdout
 	if outputPath == "" {
 		fmt.Print(content)
@@ -295,13 +295,13 @@ func (w *Writer) writeOutput(content string, outputPath string) error {
 	// Ensure directory exists
 	dir := filepath.Dir(outputPath)
 	if dir != "." && dir != "" {
-		if err := os.MkdirAll(dir, 0755); err != nil {
+		if err := os.MkdirAll(dir, 0o755); err != nil {
 			return fmt.Errorf("failed to create directory %s: %w", dir, err)
 		}
 	}
 
 	// Write to file
-	if err := os.WriteFile(outputPath, []byte(content), 0644); err != nil {
+	if err := os.WriteFile(outputPath, []byte(content), 0o644); err != nil {
 		return fmt.Errorf("failed to write file %s: %w", outputPath, err)
 	}
 

pkg/writers/template/writer_test.go

@@ -17,10 +17,10 @@ func TestWriterTableIndexValuesDeterministic(t *testing.T) {
 	outputPath := filepath.Join(outputDir, "accounts.txt")
 	templateBody := "{{range values .Table.Indexes}}{{.Name}}:{{join .Columns \",\"}}\n{{end}}"
 
-	if err := os.MkdirAll(outputDir, 0755); err != nil {
+	if err := os.MkdirAll(outputDir, 0o755); err != nil {
 		t.Fatalf("create output dir: %v", err)
 	}
-	if err := os.WriteFile(templatePath, []byte(templateBody), 0644); err != nil {
+	if err := os.WriteFile(templatePath, []byte(templateBody), 0o644); err != nil {
 		t.Fatalf("write template: %v", err)
 	}
 

pkg/writers/typeorm/writer.go

@@ -27,7 +27,7 @@ func (w *Writer) WriteDatabase(db *models.Database) error {
 	content := w.databaseToTypeORM(db)
 
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, []byte(content), 0644)
+		return os.WriteFile(w.options.OutputPath, []byte(content), 0o644)
 	}
 
 	fmt.Print(content)

pkg/writers/writer.go

@@ -86,6 +86,10 @@ type WriterOptions struct {
 	// Prisma7 enables Prisma 7-specific output for Prisma writers.
 	Prisma7 bool
 
+	// StrictDirectives makes dialect directive translation fail on an
+	// unsupported key for the writer's own namespace instead of skipping it.
+	StrictDirectives bool
+
 	// ContinueOnError instructs SQL writers to prepend `\set ON_ERROR_STOP off`
 	// to their output so that psql continues past errors instead of stopping.
 	ContinueOnError bool

pkg/writers/yaml/writer.go

@@ -55,7 +55,7 @@ func (w *Writer) WriteTable(table *models.Table) error {
 // writeOutput writes the content to file or stdout
 func (w *Writer) writeOutput(data []byte) error {
 	if w.options.OutputPath != "" {
-		return os.WriteFile(w.options.OutputPath, data, 0644)
+		return os.WriteFile(w.options.OutputPath, data, 0o644)
 	}
 
 	// Print to stdout

tests/assets/gorm/complex.go

@@ -49,12 +49,12 @@ func (ModelPost) TableName() string {
 
 // ModelComment represents a comment on a post
 type ModelComment struct {
-	ID        int64      `gorm:"column:id;primaryKey;autoIncrement;type:bigint"`
-	PostID    int64      `gorm:"column:post_id;type:bigint;not null;index:idx_post_id"`
-	UserID    *int64     `gorm:"column:user_id;type:bigint;index:idx_user_id"`
-	Content   string     `gorm:"column:content;type:text;not null"`
-	CreatedAt time.Time  `gorm:"column:created_at;type:timestamp;default:now()"`
-	UpdatedAt time.Time  `gorm:"column:updated_at;type:timestamp;default:now()"`
+	ID        int64     `gorm:"column:id;primaryKey;autoIncrement;type:bigint"`
+	PostID    int64     `gorm:"column:post_id;type:bigint;not null;index:idx_post_id"`
+	UserID    *int64    `gorm:"column:user_id;type:bigint;index:idx_user_id"`
+	Content   string    `gorm:"column:content;type:text;not null"`
+	CreatedAt time.Time `gorm:"column:created_at;type:timestamp;default:now()"`
+	UpdatedAt time.Time `gorm:"column:updated_at;type:timestamp;default:now()"`
 
 	Post *ModelPost `gorm:"foreignKey:PostID;references:ID;constraint:OnDelete:CASCADE"`
 	User *ModelUser `gorm:"foreignKey:UserID;references:ID;constraint:OnDelete:SET NULL"`

tests/integration/orm_roundtrip_test.go

@@ -5,6 +5,9 @@ import (
 	"path/filepath"
 	"testing"
 
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/readers"
 	bunreader "git.warky.dev/wdevs/relspecgo/pkg/readers/bun"
@@ -14,8 +17,6 @@ import (
 	bunwriter "git.warky.dev/wdevs/relspecgo/pkg/writers/bun"
 	gormwriter "git.warky.dev/wdevs/relspecgo/pkg/writers/gorm"
 	yamlwriter "git.warky.dev/wdevs/relspecgo/pkg/writers/yaml"
-	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
 )
 
 // ComparisonResults holds the results of database comparison
@@ -38,7 +39,7 @@ func countDatabaseStats(db *models.Database) (tables, indexes, constraints int)
 			constraints += len(table.Constraints)
 		}
 	}
-	return
+	return tables, indexes, constraints
 }
 
 // compareDatabases performs comprehensive comparison between two databases

tests/integration/roundtrip_test.go

@@ -9,6 +9,10 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/jackc/pgx/v5"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
 	"git.warky.dev/wdevs/relspecgo/pkg/models"
 	"git.warky.dev/wdevs/relspecgo/pkg/readers"
 	dctxreader "git.warky.dev/wdevs/relspecgo/pkg/readers/dctx"
@@ -17,9 +21,6 @@ import (
 	"git.warky.dev/wdevs/relspecgo/pkg/writers"
 	jsonwriter "git.warky.dev/wdevs/relspecgo/pkg/writers/json"
 	pgsqlwriter "git.warky.dev/wdevs/relspecgo/pkg/writers/pgsql"
-	"github.com/jackc/pgx/v5"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 )
 
 // getTestConnectionString returns a PostgreSQL connection string from environment

vendor/golang.org/x/sync/semaphore/semaphore.go

@@ -83,7 +83,7 @@ func (s *Weighted) Acquire(ctx context.Context, n int64) error {
 		default:
 			isFront := s.waiters.Front() == elem
 			s.waiters.Remove(elem)
-			// If we're at the front and there're extra tokens left, notify other waiters.
+			// If we're at the front and there are extra tokens left, notify other waiters.
 			if isFront && s.size > s.cur {
 				s.notifyWaiters()
 			}
@@ -139,15 +139,15 @@ func (s *Weighted) notifyWaiters() {
 
 		w := next.Value.(waiter)
 		if s.size-s.cur < w.n {
-			// Not enough tokens for the next waiter.  We could keep going (to try to
+			// Not enough tokens for the next waiter. We could keep going (to try to
 			// find a waiter with a smaller request), but under load that could cause
 			// starvation for large requests; instead, we leave all remaining waiters
 			// blocked.
 			//
 			// Consider a semaphore used as a read-write lock, with N tokens, N
-			// readers, and one writer.  Each reader can Acquire(1) to obtain a read
-			// lock.  The writer can Acquire(N) to obtain a write lock, excluding all
-			// of the readers.  If we allow the readers to jump ahead in the queue,
+			// readers, and one writer. Each reader can Acquire(1) to obtain a read
+			// lock. The writer can Acquire(N) to obtain a write lock, excluding all
+			// of the readers. If we allow the readers to jump ahead in the queue,
 			// the writer will starve — there is always one token available for every
 			// reader.
 			break

vendor/golang.org/x/sys/cpu/cpu.go

@@ -152,13 +152,17 @@ var ARM struct {
 // The booleans in Loong64 contain the correspondingly named cpu feature bit.
 // The struct is padded to avoid false sharing.
 var Loong64 struct {
-	_         CacheLinePad
-	HasLSX    bool // support 128-bit vector extension
-	HasLASX   bool // support 256-bit vector extension
-	HasCRC32  bool // support CRC instruction
-	HasLAM_BH bool // support AM{SWAP/ADD}[_DB].{B/H} instruction
-	HasLAMCAS bool // support AMCAS[_DB].{B/H/W/D} instruction
-	_         CacheLinePad
+	_              CacheLinePad
+	HasLSX         bool // support 128-bit vector extension
+	HasLASX        bool // support 256-bit vector extension
+	HasCRC32       bool // support CRC instruction
+	HasLAMCAS      bool // support AMCAS[_DB].{B/H/W/D}
+	HasLAM_BH      bool // support AM{SWAP/ADD}[_DB].{B/H} instruction
+	HasLLACQ_SCREL bool // support LLACQ.{W/D}, SCREL.{W/D} instruction
+	HasSCQ         bool // support SC.Q instruction
+	HasDBAR_HINTS  bool // supports finer-grained DBAR hints
+
+	_ CacheLinePad
 }
 
 // MIPS64X contains the supported CPU features of the current mips64/mips64le
@@ -232,6 +236,7 @@ var RISCV64 struct {
 	HasZba            bool // Address generation instructions extension
 	HasZbb            bool // Basic bit-manipulation extension
 	HasZbs            bool // Single-bit instructions extension
+	HasZbc            bool // Carryless multiplication extension
 	HasZvbb           bool // Vector Basic Bit-manipulation
 	HasZvbc           bool // Vector Carryless Multiplication
 	HasZvkb           bool // Vector Cryptography Bit-manipulation

vendor/golang.org/x/sys/cpu/cpu_linux_riscv64.go

@@ -58,6 +58,7 @@ const (
 	riscv_HWPROBE_EXT_ZBA         = 0x8
 	riscv_HWPROBE_EXT_ZBB         = 0x10
 	riscv_HWPROBE_EXT_ZBS         = 0x20
+	riscv_HWPROBE_EXT_ZBC         = 0x80
 	riscv_HWPROBE_EXT_ZVBB        = 0x20000
 	riscv_HWPROBE_EXT_ZVBC        = 0x40000
 	riscv_HWPROBE_EXT_ZVKB        = 0x80000
@@ -108,6 +109,7 @@ func doinit() {
 			RISCV64.HasZba = isSet(v, riscv_HWPROBE_EXT_ZBA)
 			RISCV64.HasZbb = isSet(v, riscv_HWPROBE_EXT_ZBB)
 			RISCV64.HasZbs = isSet(v, riscv_HWPROBE_EXT_ZBS)
+			RISCV64.HasZbc = isSet(v, riscv_HWPROBE_EXT_ZBC)
 			RISCV64.HasZvbb = isSet(v, riscv_HWPROBE_EXT_ZVBB)
 			RISCV64.HasZvbc = isSet(v, riscv_HWPROBE_EXT_ZVBC)
 			RISCV64.HasZvkb = isSet(v, riscv_HWPROBE_EXT_ZVKB)

vendor/golang.org/x/sys/cpu/cpu_loong64.go

@@ -15,8 +15,13 @@ const (
 	cpucfg1_CRC32 = 1 << 25
 
 	// CPUCFG2 bits
-	cpucfg2_LAM_BH = 1 << 27
-	cpucfg2_LAMCAS = 1 << 28
+	cpucfg2_LAM_BH      = 1 << 27
+	cpucfg2_LAMCAS      = 1 << 28
+	cpucfg2_LLACQ_SCREL = 1 << 29
+	cpucfg2_SCQ         = 1 << 30
+
+	// CPUCFG3 bits
+	cpucfg3_DBAR_HINTS = 1 << 17
 )
 
 func initOptions() {
@@ -26,6 +31,9 @@ func initOptions() {
 		{Name: "crc32", Feature: &Loong64.HasCRC32},
 		{Name: "lam_bh", Feature: &Loong64.HasLAM_BH},
 		{Name: "lamcas", Feature: &Loong64.HasLAMCAS},
+		{Name: "llacq_screl", Feature: &Loong64.HasLLACQ_SCREL},
+		{Name: "scq", Feature: &Loong64.HasSCQ},
+		{Name: "dbar_hints", Feature: &Loong64.HasDBAR_HINTS},
 	}
 
 	// The CPUCFG data on Loong64 only reflects the hardware capabilities,
@@ -37,10 +45,14 @@ func initOptions() {
 	// through CPUCFG
 	cfg1 := get_cpucfg(1)
 	cfg2 := get_cpucfg(2)
+	cfg3 := get_cpucfg(3)
 
 	Loong64.HasCRC32 = cfgIsSet(cfg1, cpucfg1_CRC32)
 	Loong64.HasLAMCAS = cfgIsSet(cfg2, cpucfg2_LAMCAS)
 	Loong64.HasLAM_BH = cfgIsSet(cfg2, cpucfg2_LAM_BH)
+	Loong64.HasLLACQ_SCREL = cfgIsSet(cfg2, cpucfg2_LLACQ_SCREL)
+	Loong64.HasSCQ = cfgIsSet(cfg2, cpucfg2_SCQ)
+	Loong64.HasDBAR_HINTS = cfgIsSet(cfg3, cpucfg3_DBAR_HINTS)
 }
 
 func get_cpucfg(reg uint32) uint32

vendor/golang.org/x/sys/cpu/cpu_riscv64.go

@@ -16,6 +16,7 @@ func initOptions() {
 		{Name: "zba", Feature: &RISCV64.HasZba},
 		{Name: "zbb", Feature: &RISCV64.HasZbb},
 		{Name: "zbs", Feature: &RISCV64.HasZbs},
+		{Name: "zbc", Feature: &RISCV64.HasZbc},
 		// RISC-V Cryptography Extensions
 		{Name: "zvbb", Feature: &RISCV64.HasZvbb},
 		{Name: "zvbc", Feature: &RISCV64.HasZvbc},

vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -354,6 +354,9 @@ struct ltchars {
 // Renamed in v6.16, commit c6d732c38f93 ("net: ethtool: remove duplicate defines for family info")
 #define ETHTOOL_FAMILY_NAME	ETHTOOL_GENL_NAME
 #define ETHTOOL_FAMILY_VERSION	ETHTOOL_GENL_VERSION
+
+// Removed in v6.17, commit 760e6f7befba ("futex: Remove support for IMMUTABLE")
+#define PR_FUTEX_HASH_GET_IMMUTABLE 3
 '
 
 includes_NetBSD='

vendor/golang.org/x/sys/unix/readv_unix.go

@@ -0,0 +1,103 @@
+// Copyright 2026 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build darwin || linux || openbsd
+
+package unix
+
+import "unsafe"
+
+// minIovec is the size of the small initial allocation used by
+// Readv, Writev, etc.
+//
+// This small allocation gets stack allocated, which lets the
+// common use case of len(iovs) <= minIovec avoid more expensive
+// heap allocations.
+const minIovec = 8
+
+// appendBytes converts bs to Iovecs and appends them to vecs.
+func appendBytes(vecs []Iovec, bs [][]byte) []Iovec {
+	for _, b := range bs {
+		var v Iovec
+		v.SetLen(len(b))
+		if len(b) > 0 {
+			v.Base = &b[0]
+		} else {
+			v.Base = (*byte)(unsafe.Pointer(&_zero))
+		}
+		vecs = append(vecs, v)
+	}
+	return vecs
+}
+
+// writevRaceDetect tells the race detector that the program
+// has read the first n bytes stored in iovecs.
+func writevRaceDetect(iovecs []Iovec, n int) {
+	if !raceenabled {
+		return
+	}
+	for i := 0; n > 0 && i < len(iovecs); i++ {
+		m := min(int(iovecs[i].Len), n)
+		n -= m
+		if m > 0 {
+			raceReadRange(unsafe.Pointer(iovecs[i].Base), m)
+		}
+	}
+}
+
+// readvRaceDetect tells the race detector that the program
+// has written to the first n bytes stored in iovecs.
+func readvRaceDetect(iovecs []Iovec, n int, err error) {
+	if !raceenabled {
+		return
+	}
+	for i := 0; n > 0 && i < len(iovecs); i++ {
+		m := min(int(iovecs[i].Len), n)
+		n -= m
+		if m > 0 {
+			raceWriteRange(unsafe.Pointer(iovecs[i].Base), m)
+		}
+	}
+	if err == nil {
+		raceAcquire(unsafe.Pointer(&ioSync))
+	}
+}
+
+func Readv(fd int, iovs [][]byte) (n int, err error) {
+	iovecs := make([]Iovec, 0, minIovec)
+	iovecs = appendBytes(iovecs, iovs)
+	n, err = readv(fd, iovecs)
+	readvRaceDetect(iovecs, n, err)
+	return n, err
+}
+
+func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
+	iovecs := make([]Iovec, 0, minIovec)
+	iovecs = appendBytes(iovecs, iovs)
+	n, err = preadv(fd, iovecs, offset)
+	readvRaceDetect(iovecs, n, err)
+	return n, err
+}
+
+func Writev(fd int, iovs [][]byte) (n int, err error) {
+	iovecs := make([]Iovec, 0, minIovec)
+	iovecs = appendBytes(iovecs, iovs)
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	n, err = writev(fd, iovecs)
+	writevRaceDetect(iovecs, n)
+	return n, err
+}
+
+func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
+	iovecs := make([]Iovec, 0, minIovec)
+	iovecs = appendBytes(iovecs, iovs)
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	n, err = pwritev(fd, iovecs, offset)
+	writevRaceDetect(iovecs, n)
+	return n, err
+}

vendor/golang.org/x/sys/unix/syscall_darwin.go

@@ -602,95 +602,6 @@ func Connectx(fd int, srcIf uint32, srcAddr, dstAddr Sockaddr, associd SaeAssocI
 	return
 }
 
-const minIovec = 8
-
-func Readv(fd int, iovs [][]byte) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	n, err = readv(fd, iovecs)
-	readvRacedetect(iovecs, n, err)
-	return n, err
-}
-
-func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	n, err = preadv(fd, iovecs, offset)
-	readvRacedetect(iovecs, n, err)
-	return n, err
-}
-
-func Writev(fd int, iovs [][]byte) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	if raceenabled {
-		raceReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	n, err = writev(fd, iovecs)
-	writevRacedetect(iovecs, n)
-	return n, err
-}
-
-func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	if raceenabled {
-		raceReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	n, err = pwritev(fd, iovecs, offset)
-	writevRacedetect(iovecs, n)
-	return n, err
-}
-
-func appendBytes(vecs []Iovec, bs [][]byte) []Iovec {
-	for _, b := range bs {
-		var v Iovec
-		v.SetLen(len(b))
-		if len(b) > 0 {
-			v.Base = &b[0]
-		} else {
-			v.Base = (*byte)(unsafe.Pointer(&_zero))
-		}
-		vecs = append(vecs, v)
-	}
-	return vecs
-}
-
-func writevRacedetect(iovecs []Iovec, n int) {
-	if !raceenabled {
-		return
-	}
-	for i := 0; n > 0 && i < len(iovecs); i++ {
-		m := int(iovecs[i].Len)
-		if m > n {
-			m = n
-		}
-		n -= m
-		if m > 0 {
-			raceReadRange(unsafe.Pointer(iovecs[i].Base), m)
-		}
-	}
-}
-
-func readvRacedetect(iovecs []Iovec, n int, err error) {
-	if !raceenabled {
-		return
-	}
-	for i := 0; n > 0 && i < len(iovecs); i++ {
-		m := int(iovecs[i].Len)
-		if m > n {
-			m = n
-		}
-		n -= m
-		if m > 0 {
-			raceWriteRange(unsafe.Pointer(iovecs[i].Base), m)
-		}
-	}
-	if err == nil {
-		raceAcquire(unsafe.Pointer(&ioSync))
-	}
-}
-
 //sys	connectx(fd int, endpoints *SaEndpoints, associd SaeAssocID, flags uint32, iov []Iovec, n *uintptr, connid *SaeConnID) (err error)
 //sys	sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)
 

vendor/golang.org/x/sys/unix/syscall_linux.go

@@ -2150,33 +2150,10 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
 //sys	exitThread(code int) (err error) = SYS_EXIT
 //sys	readv(fd int, iovs []Iovec) (n int, err error) = SYS_READV
 //sys	writev(fd int, iovs []Iovec) (n int, err error) = SYS_WRITEV
-//sys	preadv(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PREADV
-//sys	pwritev(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PWRITEV
-//sys	preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PREADV2
-//sys	pwritev2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PWRITEV2
-
-// minIovec is the size of the small initial allocation used by
-// Readv, Writev, etc.
-//
-// This small allocation gets stack allocated, which lets the
-// common use case of len(iovs) <= minIovs avoid more expensive
-// heap allocations.
-const minIovec = 8
-
-// appendBytes converts bs to Iovecs and appends them to vecs.
-func appendBytes(vecs []Iovec, bs [][]byte) []Iovec {
-	for _, b := range bs {
-		var v Iovec
-		v.SetLen(len(b))
-		if len(b) > 0 {
-			v.Base = &b[0]
-		} else {
-			v.Base = (*byte)(unsafe.Pointer(&_zero))
-		}
-		vecs = append(vecs, v)
-	}
-	return vecs
-}
+//sys	preadvSyscall(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PREADV
+//sys	pwritevSyscall(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PWRITEV
+//sys	preadv2Syscall(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PREADV2
+//sys	pwritev2Syscall(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PWRITEV2
 
 // offs2lohi splits offs into its low and high order bits.
 func offs2lohi(offs int64) (lo, hi uintptr) {
@@ -2184,69 +2161,23 @@ func offs2lohi(offs int64) (lo, hi uintptr) {
 	return uintptr(offs), uintptr(uint64(offs) >> (longBits - 1) >> 1) // two shifts to avoid false positive in vet
 }
 
-func Readv(fd int, iovs [][]byte) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	n, err = readv(fd, iovecs)
-	readvRacedetect(iovecs, n, err)
-	return n, err
-}
-
-func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
+func preadv(fd int, iovecs []Iovec, offset int64) (n int, err error) {
 	lo, hi := offs2lohi(offset)
-	n, err = preadv(fd, iovecs, lo, hi)
-	readvRacedetect(iovecs, n, err)
-	return n, err
+	return preadvSyscall(fd, iovecs, lo, hi)
 }
 
 func Preadv2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
 	iovecs := make([]Iovec, 0, minIovec)
 	iovecs = appendBytes(iovecs, iovs)
 	lo, hi := offs2lohi(offset)
-	n, err = preadv2(fd, iovecs, lo, hi, flags)
-	readvRacedetect(iovecs, n, err)
+	n, err = preadv2Syscall(fd, iovecs, lo, hi, flags)
+	readvRaceDetect(iovecs, n, err)
 	return n, err
 }
 
-func readvRacedetect(iovecs []Iovec, n int, err error) {
-	if !raceenabled {
-		return
-	}
-	for i := 0; n > 0 && i < len(iovecs); i++ {
-		m := min(int(iovecs[i].Len), n)
-		n -= m
-		if m > 0 {
-			raceWriteRange(unsafe.Pointer(iovecs[i].Base), m)
-		}
-	}
-	if err == nil {
-		raceAcquire(unsafe.Pointer(&ioSync))
-	}
-}
-
-func Writev(fd int, iovs [][]byte) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	if raceenabled {
-		raceReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	n, err = writev(fd, iovecs)
-	writevRacedetect(iovecs, n)
-	return n, err
-}
-
-func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
-	iovecs := make([]Iovec, 0, minIovec)
-	iovecs = appendBytes(iovecs, iovs)
-	if raceenabled {
-		raceReleaseMerge(unsafe.Pointer(&ioSync))
-	}
+func pwritev(fd int, iovecs []Iovec, offset int64) (n int, err error) {
 	lo, hi := offs2lohi(offset)
-	n, err = pwritev(fd, iovecs, lo, hi)
-	writevRacedetect(iovecs, n)
-	return n, err
+	return pwritevSyscall(fd, iovecs, lo, hi)
 }
 
 func Pwritev2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
@@ -2256,24 +2187,11 @@ func Pwritev2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error)
 		raceReleaseMerge(unsafe.Pointer(&ioSync))
 	}
 	lo, hi := offs2lohi(offset)
-	n, err = pwritev2(fd, iovecs, lo, hi, flags)
-	writevRacedetect(iovecs, n)
+	n, err = pwritev2Syscall(fd, iovecs, lo, hi, flags)
+	writevRaceDetect(iovecs, n)
 	return n, err
 }
 
-func writevRacedetect(iovecs []Iovec, n int) {
-	if !raceenabled {
-		return
-	}
-	for i := 0; n > 0 && i < len(iovecs); i++ {
-		m := min(int(iovecs[i].Len), n)
-		n -= m
-		if m > 0 {
-			raceReadRange(unsafe.Pointer(iovecs[i].Base), m)
-		}
-	}
-}
-
 // mmap varies by architecture; see syscall_linux_*.go.
 //sys	munmap(addr uintptr, length uintptr) (err error)
 //sys	mremap(oldaddr uintptr, oldlength uintptr, newlength uintptr, flags int, newaddr uintptr) (xaddr uintptr, err error)

vendor/golang.org/x/sys/unix/syscall_openbsd.go

@@ -300,6 +300,10 @@ func Uname(uname *Utsname) error {
 //sys	Pathconf(path string, name int) (val int, err error)
 //sys	pread(fd int, p []byte, offset int64) (n int, err error)
 //sys	pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	readv(fd int, iovecs []Iovec) (n int, err error)
+//sys	writev(fd int, iovecs []Iovec) (n int, err error)
+//sys	preadv(fd int, iovecs []Iovec, offset int64) (n int, err error)
+//sys	pwritev(fd int, iovecs []Iovec, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)

vendor/golang.org/x/sys/unix/zerrors_linux.go

@@ -353,8 +353,10 @@ const (
 	AUDIT_MAC_IPSEC_EVENT                       = 0x587
 	AUDIT_MAC_MAP_ADD                           = 0x581
 	AUDIT_MAC_MAP_DEL                           = 0x582
+	AUDIT_MAC_OBJ_CONTEXTS                      = 0x592
 	AUDIT_MAC_POLICY_LOAD                       = 0x57b
 	AUDIT_MAC_STATUS                            = 0x57c
+	AUDIT_MAC_TASK_CONTEXTS                     = 0x591
 	AUDIT_MAC_UNLBL_ALLOW                       = 0x57e
 	AUDIT_MAC_UNLBL_STCADD                      = 0x588
 	AUDIT_MAC_UNLBL_STCDEL                      = 0x589
@@ -591,8 +593,13 @@ const (
 	CAN_CTRLMODE_LOOPBACK                       = 0x1
 	CAN_CTRLMODE_ONE_SHOT                       = 0x8
 	CAN_CTRLMODE_PRESUME_ACK                    = 0x40
+	CAN_CTRLMODE_RESTRICTED                     = 0x800
 	CAN_CTRLMODE_TDC_AUTO                       = 0x200
 	CAN_CTRLMODE_TDC_MANUAL                     = 0x400
+	CAN_CTRLMODE_XL                             = 0x1000
+	CAN_CTRLMODE_XL_TDC_AUTO                    = 0x2000
+	CAN_CTRLMODE_XL_TDC_MANUAL                  = 0x4000
+	CAN_CTRLMODE_XL_TMS                         = 0x8000
 	CAN_EFF_FLAG                                = 0x80000000
 	CAN_EFF_ID_BITS                             = 0x1d
 	CAN_EFF_MASK                                = 0x1fffffff
@@ -800,6 +807,8 @@ const (
 	DEVLINK_PORT_FN_CAP_IPSEC_PACKET            = 0x8
 	DEVLINK_PORT_FN_CAP_MIGRATABLE              = 0x2
 	DEVLINK_PORT_FN_CAP_ROCE                    = 0x1
+	DEVLINK_RATE_TCS_MAX                        = 0x8
+	DEVLINK_RATE_TC_INDEX_MAX                   = 0x7
 	DEVLINK_SB_THRESHOLD_TO_ALPHA_MAX           = 0x14
 	DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS  = 0x3
 	DEVMEM_MAGIC                                = 0x454d444d
@@ -1186,6 +1195,7 @@ const (
 	ETH_P_MPLS_UC                               = 0x8847
 	ETH_P_MRP                                   = 0x88e3
 	ETH_P_MVRP                                  = 0x88f5
+	ETH_P_MXLGSW                                = 0x88c3
 	ETH_P_NCSI                                  = 0x88f8
 	ETH_P_NSH                                   = 0x894f
 	ETH_P_PAE                                   = 0x888e
@@ -1218,6 +1228,7 @@ const (
 	ETH_P_WCCP                                  = 0x883e
 	ETH_P_X25                                   = 0x805
 	ETH_P_XDSA                                  = 0xf8
+	ETH_P_YT921X                                = 0x9988
 	ET_CORE                                     = 0x4
 	ET_DYN                                      = 0x3
 	ET_EXEC                                     = 0x2
@@ -1258,6 +1269,7 @@ const (
 	FALLOC_FL_NO_HIDE_STALE                     = 0x4
 	FALLOC_FL_PUNCH_HOLE                        = 0x2
 	FALLOC_FL_UNSHARE_RANGE                     = 0x40
+	FALLOC_FL_WRITE_ZEROES                      = 0x80
 	FALLOC_FL_ZERO_RANGE                        = 0x10
 	FANOTIFY_METADATA_VERSION                   = 0x3
 	FAN_ACCESS                                  = 0x1
@@ -1477,6 +1489,7 @@ const (
 	GRND_INSECURE                               = 0x4
 	GRND_NONBLOCK                               = 0x1
 	GRND_RANDOM                                 = 0x2
+	GUEST_MEMFD_MAGIC                           = 0x474d454d
 	HDIO_DRIVE_CMD                              = 0x31f
 	HDIO_DRIVE_CMD_AEB                          = 0x31e
 	HDIO_DRIVE_CMD_HDR_SIZE                     = 0x4
@@ -1517,6 +1530,7 @@ const (
 	HDIO_SET_XFER                               = 0x306
 	HDIO_TRISTATE_HWIF                          = 0x31b
 	HDIO_UNREGISTER_HWIF                        = 0x32a
+	HIDIOCTL_LAST                               = 0xd
 	HID_MAX_DESCRIPTOR_SIZE                     = 0x1000
 	HOSTFS_SUPER_MAGIC                          = 0xc0ffee
 	HPFS_SUPER_MAGIC                            = 0xf995e849
@@ -1809,6 +1823,8 @@ const (
 	KEXEC_ARCH_X86_64                           = 0x3e0000
 	KEXEC_CRASH_HOTPLUG_SUPPORT                 = 0x8
 	KEXEC_FILE_DEBUG                            = 0x8
+	KEXEC_FILE_FORCE_DTB                        = 0x20
+	KEXEC_FILE_NO_CMA                           = 0x10
 	KEXEC_FILE_NO_INITRAMFS                     = 0x4
 	KEXEC_FILE_ON_CRASH                         = 0x2
 	KEXEC_FILE_UNLOAD                           = 0x1
@@ -1905,6 +1921,7 @@ const (
 	LANDLOCK_RESTRICT_SELF_LOG_NEW_EXEC_ON      = 0x2
 	LANDLOCK_RESTRICT_SELF_LOG_SAME_EXEC_OFF    = 0x1
 	LANDLOCK_RESTRICT_SELF_LOG_SUBDOMAINS_OFF   = 0x4
+	LANDLOCK_RESTRICT_SELF_TSYNC                = 0x8
 	LANDLOCK_SCOPE_ABSTRACT_UNIX_SOCKET         = 0x1
 	LANDLOCK_SCOPE_SIGNAL                       = 0x2
 	LINUX_REBOOT_CMD_CAD_OFF                    = 0x0
@@ -2412,6 +2429,7 @@ const (
 	NN_PRXFPREG                                 = "LINUX"
 	NN_RISCV_CSR                                = "LINUX"
 	NN_RISCV_TAGGED_ADDR_CTRL                   = "LINUX"
+	NN_RISCV_USER_CFI                           = "LINUX"
 	NN_RISCV_VECTOR                             = "LINUX"
 	NN_S390_CTRS                                = "LINUX"
 	NN_S390_GS_BC                               = "LINUX"
@@ -2493,6 +2511,7 @@ const (
 	NT_PRXFPREG                                 = 0x46e62b7f
 	NT_RISCV_CSR                                = 0x900
 	NT_RISCV_TAGGED_ADDR_CTRL                   = 0x902
+	NT_RISCV_USER_CFI                           = 0x903
 	NT_RISCV_VECTOR                             = 0x901
 	NT_S390_CTRS                                = 0x304
 	NT_S390_GS_BC                               = 0x30c
@@ -2515,6 +2534,7 @@ const (
 	NT_X86_SHSTK                                = 0x204
 	NT_X86_XSAVE_LAYOUT                         = 0x205
 	NT_X86_XSTATE                               = 0x202
+	NULL_FS_MAGIC                               = 0x4e554c4c
 	OCFS2_SUPER_MAGIC                           = 0x7461636f
 	OCRNL                                       = 0x8
 	OFDEL                                       = 0x80
@@ -2594,6 +2614,7 @@ const (
 	PERF_ATTR_SIZE_VER6                         = 0x78
 	PERF_ATTR_SIZE_VER7                         = 0x80
 	PERF_ATTR_SIZE_VER8                         = 0x88
+	PERF_ATTR_SIZE_VER9                         = 0x90
 	PERF_AUX_FLAG_COLLISION                     = 0x8
 	PERF_AUX_FLAG_CORESIGHT_FORMAT_CORESIGHT    = 0x0
 	PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW          = 0x100
@@ -2629,6 +2650,7 @@ const (
 	PERF_MEM_LVLNUM_ANY_CACHE                   = 0xb
 	PERF_MEM_LVLNUM_CXL                         = 0x9
 	PERF_MEM_LVLNUM_IO                          = 0xa
+	PERF_MEM_LVLNUM_L0                          = 0x7
 	PERF_MEM_LVLNUM_L1                          = 0x1
 	PERF_MEM_LVLNUM_L2                          = 0x2
 	PERF_MEM_LVLNUM_L2_MHB                      = 0x5
@@ -2662,6 +2684,23 @@ const (
 	PERF_MEM_OP_PFETCH                          = 0x8
 	PERF_MEM_OP_SHIFT                           = 0x0
 	PERF_MEM_OP_STORE                           = 0x4
+	PERF_MEM_REGION_L_NON_SHARE                 = 0x3
+	PERF_MEM_REGION_L_SHARE                     = 0x2
+	PERF_MEM_REGION_MEM0                        = 0x8
+	PERF_MEM_REGION_MEM1                        = 0x9
+	PERF_MEM_REGION_MEM2                        = 0xa
+	PERF_MEM_REGION_MEM3                        = 0xb
+	PERF_MEM_REGION_MEM4                        = 0xc
+	PERF_MEM_REGION_MEM5                        = 0xd
+	PERF_MEM_REGION_MEM6                        = 0xe
+	PERF_MEM_REGION_MEM7                        = 0xf
+	PERF_MEM_REGION_MMIO                        = 0x7
+	PERF_MEM_REGION_NA                          = 0x0
+	PERF_MEM_REGION_O_IO                        = 0x4
+	PERF_MEM_REGION_O_NON_SHARE                 = 0x6
+	PERF_MEM_REGION_O_SHARE                     = 0x5
+	PERF_MEM_REGION_RSVD                        = 0x1
+	PERF_MEM_REGION_SHIFT                       = 0x2e
 	PERF_MEM_REMOTE_REMOTE                      = 0x1
 	PERF_MEM_REMOTE_SHIFT                       = 0x25
 	PERF_MEM_SNOOPX_FWD                         = 0x1
@@ -2776,6 +2815,10 @@ const (
 	PR_CAP_AMBIENT_IS_SET                       = 0x1
 	PR_CAP_AMBIENT_LOWER                        = 0x3
 	PR_CAP_AMBIENT_RAISE                        = 0x2
+	PR_CFI_BRANCH_LANDING_PADS                  = 0x0
+	PR_CFI_DISABLE                              = 0x2
+	PR_CFI_ENABLE                               = 0x1
+	PR_CFI_LOCK                                 = 0x4
 	PR_ENDIAN_BIG                               = 0x0
 	PR_ENDIAN_LITTLE                            = 0x1
 	PR_ENDIAN_PPC_LITTLE                        = 0x2
@@ -2798,6 +2841,7 @@ const (
 	PR_FUTEX_HASH_GET_SLOTS                     = 0x2
 	PR_FUTEX_HASH_SET_SLOTS                     = 0x1
 	PR_GET_AUXV                                 = 0x41555856
+	PR_GET_CFI                                  = 0x50
 	PR_GET_CHILD_SUBREAPER                      = 0x25
 	PR_GET_DUMPABLE                             = 0x3
 	PR_GET_ENDIAN                               = 0x13
@@ -2834,6 +2878,7 @@ const (
 	PR_MDWE_REFUSE_EXEC_GAIN                    = 0x1
 	PR_MPX_DISABLE_MANAGEMENT                   = 0x2c
 	PR_MPX_ENABLE_MANAGEMENT                    = 0x2b
+	PR_MTE_STORE_ONLY                           = 0x80000
 	PR_MTE_TAG_MASK                             = 0x7fff8
 	PR_MTE_TAG_SHIFT                            = 0x3
 	PR_MTE_TCF_ASYNC                            = 0x4
@@ -2877,6 +2922,10 @@ const (
 	PR_RISCV_V_VSTATE_CTRL_NEXT_MASK            = 0xc
 	PR_RISCV_V_VSTATE_CTRL_OFF                  = 0x1
 	PR_RISCV_V_VSTATE_CTRL_ON                   = 0x2
+	PR_RSEQ_SLICE_EXTENSION                     = 0x4f
+	PR_RSEQ_SLICE_EXTENSION_GET                 = 0x1
+	PR_RSEQ_SLICE_EXTENSION_SET                 = 0x2
+	PR_RSEQ_SLICE_EXT_ENABLE                    = 0x1
 	PR_SCHED_CORE                               = 0x3e
 	PR_SCHED_CORE_CREATE                        = 0x1
 	PR_SCHED_CORE_GET                           = 0x0
@@ -2886,6 +2935,7 @@ const (
 	PR_SCHED_CORE_SCOPE_THREAD_GROUP            = 0x1
 	PR_SCHED_CORE_SHARE_FROM                    = 0x3
 	PR_SCHED_CORE_SHARE_TO                      = 0x2
+	PR_SET_CFI                                  = 0x51
 	PR_SET_CHILD_SUBREAPER                      = 0x24
 	PR_SET_DUMPABLE                             = 0x4
 	PR_SET_ENDIAN                               = 0x14
@@ -2951,11 +3001,14 @@ const (
 	PR_SVE_SET_VL_ONEXEC                        = 0x40000
 	PR_SVE_VL_INHERIT                           = 0x20000
 	PR_SVE_VL_LEN_MASK                          = 0xffff
+	PR_SYS_DISPATCH_EXCLUSIVE_ON                = 0x1
+	PR_SYS_DISPATCH_INCLUSIVE_ON                = 0x2
 	PR_SYS_DISPATCH_OFF                         = 0x0
 	PR_SYS_DISPATCH_ON                          = 0x1
 	PR_TAGGED_ADDR_ENABLE                       = 0x1
 	PR_TASK_PERF_EVENTS_DISABLE                 = 0x1f
 	PR_TASK_PERF_EVENTS_ENABLE                  = 0x20
+	PR_THP_DISABLE_EXCEPT_ADVISED               = 0x2
 	PR_TIMER_CREATE_RESTORE_IDS                 = 0x4d
 	PR_TIMER_CREATE_RESTORE_IDS_GET             = 0x2
 	PR_TIMER_CREATE_RESTORE_IDS_OFF             = 0x0
@@ -2987,8 +3040,10 @@ const (
 	PTP_STRICT_FLAGS                            = 0x8
 	PTP_SYS_OFFSET_EXTENDED                     = 0xc4c03d09
 	PTP_SYS_OFFSET_EXTENDED2                    = 0xc4c03d12
+	PTP_SYS_OFFSET_EXTENDED_CYCLES              = 0xc4c03d16
 	PTP_SYS_OFFSET_PRECISE                      = 0xc0403d08
 	PTP_SYS_OFFSET_PRECISE2                     = 0xc0403d11
+	PTP_SYS_OFFSET_PRECISE_CYCLES               = 0xc0403d15
 	PTRACE_ATTACH                               = 0x10
 	PTRACE_CONT                                 = 0x7
 	PTRACE_DETACH                               = 0x11
@@ -3330,8 +3385,9 @@ const (
 	RWF_DSYNC                                   = 0x2
 	RWF_HIPRI                                   = 0x1
 	RWF_NOAPPEND                                = 0x20
+	RWF_NOSIGNAL                                = 0x100
 	RWF_NOWAIT                                  = 0x8
-	RWF_SUPPORTED                               = 0xff
+	RWF_SUPPORTED                               = 0x1ff
 	RWF_SYNC                                    = 0x4
 	RWF_WRITE_LIFE_NOT_SET                      = 0x0
 	SCHED_BATCH                                 = 0x3
@@ -3714,7 +3770,7 @@ const (
 	TASKSTATS_GENL_NAME                         = "TASKSTATS"
 	TASKSTATS_GENL_VERSION                      = 0x1
 	TASKSTATS_TYPE_MAX                          = 0x6
-	TASKSTATS_VERSION                           = 0x10
+	TASKSTATS_VERSION                           = 0x11
 	TCIFLUSH                                    = 0x0
 	TCIOFF                                      = 0x2
 	TCIOFLUSH                                   = 0x2
@@ -4052,6 +4108,7 @@ const (
 	XDP_FLAGS_REPLACE                           = 0x10
 	XDP_FLAGS_SKB_MODE                          = 0x2
 	XDP_FLAGS_UPDATE_IF_NOEXIST                 = 0x1
+	XDP_MAX_TX_SKB_BUDGET                       = 0x9
 	XDP_MMAP_OFFSETS                            = 0x1
 	XDP_OPTIONS                                 = 0x8
 	XDP_OPTIONS_ZEROCOPY                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_linux_386.go

@@ -159,6 +159,7 @@ const (
 	NFDBITS                          = 0x20
 	NLDLY                            = 0x100
 	NOFLSH                           = 0x80
+	NS_GET_ID                        = 0x8008b70d
 	NS_GET_MNTNS_ID                  = 0x8008b705
 	NS_GET_NSTYPE                    = 0xb703
 	NS_GET_OWNER_UID                 = 0xb704
@@ -305,6 +306,7 @@ const (
 	RTC_WKALM_SET                    = 0x4028700f
 	SCM_DEVMEM_DMABUF                = 0x4f
 	SCM_DEVMEM_LINEAR                = 0x4e
+	SCM_INQ                          = 0x54
 	SCM_TIMESTAMPING                 = 0x25
 	SCM_TIMESTAMPING_OPT_STATS       = 0x36
 	SCM_TIMESTAMPING_PKTINFO         = 0x3a
@@ -352,6 +354,7 @@ const (
 	SO_ERROR                         = 0x4
 	SO_INCOMING_CPU                  = 0x31
 	SO_INCOMING_NAPI_ID              = 0x38
+	SO_INQ                           = 0x54
 	SO_KEEPALIVE                     = 0x9
 	SO_LINGER                        = 0xd
 	SO_LOCK_FILTER                   = 0x2c
@@ -596,6 +599,8 @@ const (
 	EDESTADDRREQ    = syscall.Errno(0x59)
 	EDOTDOT         = syscall.Errno(0x49)
 	EDQUOT          = syscall.Errno(0x7a)
+	EFSBADCRC       = syscall.Errno(0x4a)
+	EFSCORRUPTED    = syscall.Errno(0x75)
 	EHOSTDOWN       = syscall.Errno(0x70)
 	EHOSTUNREACH    = syscall.Errno(0x71)
 	EHWPOISON       = syscall.Errno(0x85)
@@ -819,7 +824,7 @@ var errorList = [...]struct {
 	{114, "EALREADY", "operation already in progress"},
 	{115, "EINPROGRESS", "operation now in progress"},
 	{116, "ESTALE", "stale file handle"},
-	{117, "EUCLEAN", "structure needs cleaning"},
+	{117, "EFSCORRUPTED", "structure needs cleaning"},
 	{118, "ENOTNAM", "not a XENIX named type file"},
 	{119, "ENAVAIL", "no XENIX semaphores available"},
 	{120, "EISNAM", "is a named type file"},

vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go

@@ -159,6 +159,7 @@ const (
 	NFDBITS                          = 0x40
 	NLDLY                            = 0x100
 	NOFLSH                           = 0x80
+	NS_GET_ID                        = 0x8008b70d
 	NS_GET_MNTNS_ID                  = 0x8008b705
 	NS_GET_NSTYPE                    = 0xb703
 	NS_GET_OWNER_UID                 = 0xb704
@@ -306,6 +307,7 @@ const (
 	RTC_WKALM_SET                    = 0x4028700f
 	SCM_DEVMEM_DMABUF                = 0x4f
 	SCM_DEVMEM_LINEAR                = 0x4e
+	SCM_INQ                          = 0x54
 	SCM_TIMESTAMPING                 = 0x25
 	SCM_TIMESTAMPING_OPT_STATS       = 0x36
 	SCM_TIMESTAMPING_PKTINFO         = 0x3a
@@ -353,6 +355,7 @@ const (
 	SO_ERROR                         = 0x4
 	SO_INCOMING_CPU                  = 0x31
 	SO_INCOMING_NAPI_ID              = 0x38
+	SO_INQ                           = 0x54
 	SO_KEEPALIVE                     = 0x9
 	SO_LINGER                        = 0xd
 	SO_LOCK_FILTER                   = 0x2c
@@ -596,6 +599,8 @@ const (
 	EDESTADDRREQ    = syscall.Errno(0x59)
 	EDOTDOT         = syscall.Errno(0x49)
 	EDQUOT          = syscall.Errno(0x7a)
+	EFSBADCRC       = syscall.Errno(0x4a)
+	EFSCORRUPTED    = syscall.Errno(0x75)
 	EHOSTDOWN       = syscall.Errno(0x70)
 	EHOSTUNREACH    = syscall.Errno(0x71)
 	EHWPOISON       = syscall.Errno(0x85)
@@ -819,7 +824,7 @@ var errorList = [...]struct {
 	{114, "EALREADY", "operation already in progress"},
 	{115, "EINPROGRESS", "operation now in progress"},
 	{116, "ESTALE", "stale file handle"},
-	{117, "EUCLEAN", "structure needs cleaning"},
+	{117, "EFSCORRUPTED", "structure needs cleaning"},
 	{118, "ENOTNAM", "not a XENIX named type file"},
 	{119, "ENAVAIL", "no XENIX semaphores available"},
 	{120, "EISNAM", "is a named type file"},

vendor/golang.org/x/sys/unix/zerrors_linux_arm.go

@@ -156,6 +156,7 @@ const (
 	NFDBITS                          = 0x20
 	NLDLY                            = 0x100
 	NOFLSH                           = 0x80
+	NS_GET_ID                        = 0x8008b70d
 	NS_GET_MNTNS_ID                  = 0x8008b705
 	NS_GET_NSTYPE                    = 0xb703
 	NS_GET_OWNER_UID                 = 0xb704
@@ -311,6 +312,7 @@ const (
 	RTC_WKALM_SET                    = 0x4028700f
 	SCM_DEVMEM_DMABUF                = 0x4f
 	SCM_DEVMEM_LINEAR                = 0x4e
+	SCM_INQ                          = 0x54
 	SCM_TIMESTAMPING                 = 0x25
 	SCM_TIMESTAMPING_OPT_STATS       = 0x36
 	SCM_TIMESTAMPING_PKTINFO         = 0x3a
@@ -358,6 +360,7 @@ const (
 	SO_ERROR                         = 0x4
 	SO_INCOMING_CPU                  = 0x31
 	SO_INCOMING_NAPI_ID              = 0x38
+	SO_INQ                           = 0x54
 	SO_KEEPALIVE                     = 0x9
 	SO_LINGER                        = 0xd
 	SO_LOCK_FILTER                   = 0x2c
@@ -601,6 +604,8 @@ const (
 	EDESTADDRREQ    = syscall.Errno(0x59)
 	EDOTDOT         = syscall.Errno(0x49)
 	EDQUOT          = syscall.Errno(0x7a)
+	EFSBADCRC       = syscall.Errno(0x4a)
+	EFSCORRUPTED    = syscall.Errno(0x75)
 	EHOSTDOWN       = syscall.Errno(0x70)
 	EHOSTUNREACH    = syscall.Errno(0x71)
 	EHWPOISON       = syscall.Errno(0x85)
@@ -824,7 +829,7 @@ var errorList = [...]struct {
 	{114, "EALREADY", "operation already in progress"},
 	{115, "EINPROGRESS", "operation now in progress"},
 	{116, "ESTALE", "stale file handle"},
-	{117, "EUCLEAN", "structure needs cleaning"},
+	{117, "EFSCORRUPTED", "structure needs cleaning"},
 	{118, "ENOTNAM", "not a XENIX named type file"},
 	{119, "ENAVAIL", "no XENIX semaphores available"},
 	{120, "EISNAM", "is a named type file"},