feat(ui): 🎉 Add import and merge database feature
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- Introduce a new screen for importing and merging database schemas.
- Implement merge logic to combine schemas, tables, columns, and other objects.
- Add options to skip specific object types during the merge process.
- Update main menu to include the new import and merge option.
This commit is contained in:
2026-01-04 19:31:28 +02:00
parent debf351c48
commit 5d9b00c8f2
6 changed files with 1327 additions and 0 deletions

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@@ -118,6 +118,55 @@ go install -v git.warky.dev/wdevs/relspecgo/cmd/relspec@latest
## Usage
### Interactive Schema Editor
```bash
# Launch interactive editor with a DBML schema
relspec edit --from dbml --from-path schema.dbml --to dbml --to-path schema.dbml
# Edit PostgreSQL database in place
relspec edit --from pgsql --from-conn "postgres://user:pass@localhost/mydb" \
--to pgsql --to-conn "postgres://user:pass@localhost/mydb"
# Edit JSON schema and save as GORM models
relspec edit --from json --from-path db.json --to gorm --to-path models/
```
The `edit` command launches an interactive terminal user interface where you can:
- Browse and navigate your database structure
- Create, modify, and delete schemas, tables, and columns
- Configure column properties, constraints, and relationships
- Save changes to various formats
- Import and merge schemas from other databases
### Schema Merging
```bash
# Merge two JSON schemas (additive merge - adds missing items only)
relspec merge --target json --target-path base.json \
--source json --source-path additions.json \
--output json --output-path merged.json
# Merge PostgreSQL database into JSON, skipping specific tables
relspec merge --target json --target-path current.json \
--source pgsql --source-conn "postgres://user:pass@localhost/source_db" \
--output json --output-path updated.json \
--skip-tables "audit_log,temp_tables"
# Cross-format merge (DBML + YAML → JSON)
relspec merge --target dbml --target-path base.dbml \
--source yaml --source-path additions.yaml \
--output json --output-path result.json \
--skip-relations --skip-views
```
The `merge` command combines two database schemas additively:
- Adds missing schemas, tables, columns, and other objects
- Never modifies or deletes existing items (safe operation)
- Supports selective merging with skip options (domains, relations, enums, views, sequences, specific tables)
- Works across any combination of supported formats
- Perfect for integrating multiple schema definitions or applying patches
### Schema Conversion
```bash

433
cmd/relspec/merge.go Normal file
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@@ -0,0 +1,433 @@
package main
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/spf13/cobra"
"git.warky.dev/wdevs/relspecgo/pkg/merge"
"git.warky.dev/wdevs/relspecgo/pkg/models"
"git.warky.dev/wdevs/relspecgo/pkg/readers"
"git.warky.dev/wdevs/relspecgo/pkg/readers/bun"
"git.warky.dev/wdevs/relspecgo/pkg/readers/dbml"
"git.warky.dev/wdevs/relspecgo/pkg/readers/dctx"
"git.warky.dev/wdevs/relspecgo/pkg/readers/drawdb"
"git.warky.dev/wdevs/relspecgo/pkg/readers/drizzle"
"git.warky.dev/wdevs/relspecgo/pkg/readers/gorm"
"git.warky.dev/wdevs/relspecgo/pkg/readers/graphql"
"git.warky.dev/wdevs/relspecgo/pkg/readers/json"
"git.warky.dev/wdevs/relspecgo/pkg/readers/pgsql"
"git.warky.dev/wdevs/relspecgo/pkg/readers/prisma"
"git.warky.dev/wdevs/relspecgo/pkg/readers/typeorm"
"git.warky.dev/wdevs/relspecgo/pkg/readers/yaml"
"git.warky.dev/wdevs/relspecgo/pkg/writers"
wbun "git.warky.dev/wdevs/relspecgo/pkg/writers/bun"
wdbml "git.warky.dev/wdevs/relspecgo/pkg/writers/dbml"
wdctx "git.warky.dev/wdevs/relspecgo/pkg/writers/dctx"
wdrawdb "git.warky.dev/wdevs/relspecgo/pkg/writers/drawdb"
wdrizzle "git.warky.dev/wdevs/relspecgo/pkg/writers/drizzle"
wgorm "git.warky.dev/wdevs/relspecgo/pkg/writers/gorm"
wgraphql "git.warky.dev/wdevs/relspecgo/pkg/writers/graphql"
wjson "git.warky.dev/wdevs/relspecgo/pkg/writers/json"
wpgsql "git.warky.dev/wdevs/relspecgo/pkg/writers/pgsql"
wprisma "git.warky.dev/wdevs/relspecgo/pkg/writers/prisma"
wtypeorm "git.warky.dev/wdevs/relspecgo/pkg/writers/typeorm"
wyaml "git.warky.dev/wdevs/relspecgo/pkg/writers/yaml"
)
var (
mergeTargetType string
mergeTargetPath string
mergeTargetConn string
mergeSourceType string
mergeSourcePath string
mergeSourceConn string
mergeOutputType string
mergeOutputPath string
mergeOutputConn string
mergeSkipDomains bool
mergeSkipRelations bool
mergeSkipEnums bool
mergeSkipViews bool
mergeSkipSequences bool
mergeSkipTables string // Comma-separated table names to skip
mergeVerbose bool
)
var mergeCmd = &cobra.Command{
Use: "merge",
Short: "Merge database schemas (additive only - adds missing items)",
Long: `Merge one database schema into another. Performs additive merging only:
adds missing schemas, tables, columns, and other objects without modifying
or deleting existing items.
The target database is loaded first, then the source database is merged into it.
The result can be saved to a new format or updated in place.
Examples:
# Merge two JSON schemas
relspec merge --target json --target-path base.json \
--source json --source-path additional.json \
--output json --output-path merged.json
# Merge from PostgreSQL into JSON
relspec merge --target json --target-path mydb.json \
--source pgsql --source-conn "postgres://user:pass@localhost/source_db" \
--output json --output-path combined.json
# Merge DBML and YAML, skip relations
relspec merge --target dbml --target-path schema.dbml \
--source yaml --source-path tables.yaml \
--output dbml --output-path merged.dbml \
--skip-relations
# Merge and save back to target format
relspec merge --target json --target-path base.json \
--source json --source-path patch.json \
--output json --output-path base.json`,
RunE: runMerge,
}
func init() {
// Target database flags
mergeCmd.Flags().StringVar(&mergeTargetType, "target", "", "Target format (required): dbml, dctx, drawdb, graphql, json, yaml, gorm, bun, drizzle, prisma, typeorm, pgsql")
mergeCmd.Flags().StringVar(&mergeTargetPath, "target-path", "", "Target file path (required for file-based formats)")
mergeCmd.Flags().StringVar(&mergeTargetConn, "target-conn", "", "Target connection string (required for pgsql)")
// Source database flags
mergeCmd.Flags().StringVar(&mergeSourceType, "source", "", "Source format (required): dbml, dctx, drawdb, graphql, json, yaml, gorm, bun, drizzle, prisma, typeorm, pgsql")
mergeCmd.Flags().StringVar(&mergeSourcePath, "source-path", "", "Source file path (required for file-based formats)")
mergeCmd.Flags().StringVar(&mergeSourceConn, "source-conn", "", "Source connection string (required for pgsql)")
// Output flags
mergeCmd.Flags().StringVar(&mergeOutputType, "output", "", "Output format (required): dbml, dctx, drawdb, graphql, json, yaml, gorm, bun, drizzle, prisma, typeorm, pgsql")
mergeCmd.Flags().StringVar(&mergeOutputPath, "output-path", "", "Output file path (required for file-based formats)")
mergeCmd.Flags().StringVar(&mergeOutputConn, "output-conn", "", "Output connection string (for pgsql)")
// Merge options
mergeCmd.Flags().BoolVar(&mergeSkipDomains, "skip-domains", false, "Skip domains during merge")
mergeCmd.Flags().BoolVar(&mergeSkipRelations, "skip-relations", false, "Skip relations during merge")
mergeCmd.Flags().BoolVar(&mergeSkipEnums, "skip-enums", false, "Skip enums during merge")
mergeCmd.Flags().BoolVar(&mergeSkipViews, "skip-views", false, "Skip views during merge")
mergeCmd.Flags().BoolVar(&mergeSkipSequences, "skip-sequences", false, "Skip sequences during merge")
mergeCmd.Flags().StringVar(&mergeSkipTables, "skip-tables", "", "Comma-separated list of table names to skip during merge")
mergeCmd.Flags().BoolVar(&mergeVerbose, "verbose", false, "Show verbose output")
}
func runMerge(cmd *cobra.Command, args []string) error {
fmt.Fprintf(os.Stderr, "\n=== RelSpec Merge ===\n")
fmt.Fprintf(os.Stderr, "Started at: %s\n\n", getCurrentTimestamp())
// Validate required flags
if mergeTargetType == "" {
return fmt.Errorf("--target format is required")
}
if mergeSourceType == "" {
return fmt.Errorf("--source format is required")
}
if mergeOutputType == "" {
return fmt.Errorf("--output format is required")
}
// Validate and expand file paths
if mergeTargetType != "pgsql" {
if mergeTargetPath == "" {
return fmt.Errorf("--target-path is required for %s format", mergeTargetType)
}
mergeTargetPath = expandPath(mergeTargetPath)
} else if mergeTargetConn == "" {
return fmt.Errorf("--target-conn is required for pgsql format")
}
if mergeSourceType != "pgsql" {
if mergeSourcePath == "" {
return fmt.Errorf("--source-path is required for %s format", mergeSourceType)
}
mergeSourcePath = expandPath(mergeSourcePath)
} else if mergeSourceConn == "" {
return fmt.Errorf("--source-conn is required for pgsql format")
}
if mergeOutputType != "pgsql" {
if mergeOutputPath == "" {
return fmt.Errorf("--output-path is required for %s format", mergeOutputType)
}
mergeOutputPath = expandPath(mergeOutputPath)
}
// Step 1: Read target database
fmt.Fprintf(os.Stderr, "[1/3] Reading target database...\n")
fmt.Fprintf(os.Stderr, " Format: %s\n", mergeTargetType)
if mergeTargetPath != "" {
fmt.Fprintf(os.Stderr, " Path: %s\n", mergeTargetPath)
}
if mergeTargetConn != "" {
fmt.Fprintf(os.Stderr, " Conn: %s\n", maskPassword(mergeTargetConn))
}
targetDB, err := readDatabaseForMerge(mergeTargetType, mergeTargetPath, mergeTargetConn, "Target")
if err != nil {
return fmt.Errorf("failed to read target database: %w", err)
}
fmt.Fprintf(os.Stderr, " ✓ Successfully read target database '%s'\n", targetDB.Name)
printDatabaseStats(targetDB)
// Step 2: Read source database
fmt.Fprintf(os.Stderr, "\n[2/3] Reading source database...\n")
fmt.Fprintf(os.Stderr, " Format: %s\n", mergeSourceType)
if mergeSourcePath != "" {
fmt.Fprintf(os.Stderr, " Path: %s\n", mergeSourcePath)
}
if mergeSourceConn != "" {
fmt.Fprintf(os.Stderr, " Conn: %s\n", maskPassword(mergeSourceConn))
}
sourceDB, err := readDatabaseForMerge(mergeSourceType, mergeSourcePath, mergeSourceConn, "Source")
if err != nil {
return fmt.Errorf("failed to read source database: %w", err)
}
fmt.Fprintf(os.Stderr, " ✓ Successfully read source database '%s'\n", sourceDB.Name)
printDatabaseStats(sourceDB)
// Step 3: Merge databases
fmt.Fprintf(os.Stderr, "\n[3/3] Merging databases...\n")
opts := &merge.MergeOptions{
SkipDomains: mergeSkipDomains,
SkipRelations: mergeSkipRelations,
SkipEnums: mergeSkipEnums,
SkipViews: mergeSkipViews,
SkipSequences: mergeSkipSequences,
}
// Parse skip-tables flag
if mergeSkipTables != "" {
opts.SkipTableNames = parseSkipTables(mergeSkipTables)
if len(opts.SkipTableNames) > 0 {
fmt.Fprintf(os.Stderr, " Skipping tables: %s\n", mergeSkipTables)
}
}
result := merge.MergeDatabases(targetDB, sourceDB, opts)
// Update timestamp
targetDB.UpdateDate()
// Print merge summary
fmt.Fprintf(os.Stderr, " ✓ Merge complete\n\n")
fmt.Fprintf(os.Stderr, "%s\n", merge.GetMergeSummary(result))
// Step 4: Write output
fmt.Fprintf(os.Stderr, "\n[4/4] Writing output...\n")
fmt.Fprintf(os.Stderr, " Format: %s\n", mergeOutputType)
if mergeOutputPath != "" {
fmt.Fprintf(os.Stderr, " Path: %s\n", mergeOutputPath)
}
err = writeDatabaseForMerge(mergeOutputType, mergeOutputPath, "", targetDB, "Output")
if err != nil {
return fmt.Errorf("failed to write output: %w", err)
}
fmt.Fprintf(os.Stderr, " ✓ Successfully written merged database\n")
fmt.Fprintf(os.Stderr, "\n=== Merge complete ===\n")
return nil
}
func readDatabaseForMerge(dbType, filePath, connString, label string) (*models.Database, error) {
var reader readers.Reader
switch strings.ToLower(dbType) {
case "dbml":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for DBML format", label)
}
reader = dbml.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "dctx":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for DCTX format", label)
}
reader = dctx.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "drawdb":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for DrawDB format", label)
}
reader = drawdb.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "graphql":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for GraphQL format", label)
}
reader = graphql.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "json":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for JSON format", label)
}
reader = json.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "yaml":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for YAML format", label)
}
reader = yaml.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "gorm":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for GORM format", label)
}
reader = gorm.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "bun":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for Bun format", label)
}
reader = bun.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "drizzle":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for Drizzle format", label)
}
reader = drizzle.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "prisma":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for Prisma format", label)
}
reader = prisma.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "typeorm":
if filePath == "" {
return nil, fmt.Errorf("%s: file path is required for TypeORM format", label)
}
reader = typeorm.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "pgsql":
if connString == "" {
return nil, fmt.Errorf("%s: connection string is required for PostgreSQL format", label)
}
reader = pgsql.NewReader(&readers.ReaderOptions{ConnectionString: connString})
default:
return nil, fmt.Errorf("%s: unsupported format '%s'", label, dbType)
}
db, err := reader.ReadDatabase()
if err != nil {
return nil, err
}
return db, nil
}
func writeDatabaseForMerge(dbType, filePath, connString string, db *models.Database, label string) error {
var writer writers.Writer
switch strings.ToLower(dbType) {
case "dbml":
if filePath == "" {
return fmt.Errorf("%s: file path is required for DBML format", label)
}
writer = wdbml.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "dctx":
if filePath == "" {
return fmt.Errorf("%s: file path is required for DCTX format", label)
}
writer = wdctx.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "drawdb":
if filePath == "" {
return fmt.Errorf("%s: file path is required for DrawDB format", label)
}
writer = wdrawdb.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "graphql":
if filePath == "" {
return fmt.Errorf("%s: file path is required for GraphQL format", label)
}
writer = wgraphql.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "json":
if filePath == "" {
return fmt.Errorf("%s: file path is required for JSON format", label)
}
writer = wjson.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "yaml":
if filePath == "" {
return fmt.Errorf("%s: file path is required for YAML format", label)
}
writer = wyaml.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "gorm":
if filePath == "" {
return fmt.Errorf("%s: file path is required for GORM format", label)
}
writer = wgorm.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "bun":
if filePath == "" {
return fmt.Errorf("%s: file path is required for Bun format", label)
}
writer = wbun.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "drizzle":
if filePath == "" {
return fmt.Errorf("%s: file path is required for Drizzle format", label)
}
writer = wdrizzle.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "prisma":
if filePath == "" {
return fmt.Errorf("%s: file path is required for Prisma format", label)
}
writer = wprisma.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "typeorm":
if filePath == "" {
return fmt.Errorf("%s: file path is required for TypeORM format", label)
}
writer = wtypeorm.NewWriter(&writers.WriterOptions{OutputPath: filePath})
case "pgsql":
writer = wpgsql.NewWriter(&writers.WriterOptions{OutputPath: filePath})
default:
return fmt.Errorf("%s: unsupported format '%s'", label, dbType)
}
return writer.WriteDatabase(db)
}
func expandPath(path string) string {
if len(path) > 0 && path[0] == '~' {
home, err := os.UserHomeDir()
if err == nil {
return filepath.Join(home, path[1:])
}
}
return path
}
func printDatabaseStats(db *models.Database) {
totalTables := 0
totalColumns := 0
totalConstraints := 0
totalIndexes := 0
for _, schema := range db.Schemas {
totalTables += len(schema.Tables)
for _, table := range schema.Tables {
totalColumns += len(table.Columns)
totalConstraints += len(table.Constraints)
totalIndexes += len(table.Indexes)
}
}
fmt.Fprintf(os.Stderr, " Schemas: %d, Tables: %d, Columns: %d, Constraints: %d, Indexes: %d\n",
len(db.Schemas), totalTables, totalColumns, totalConstraints, totalIndexes)
}
func parseSkipTables(skipTablesStr string) map[string]bool {
skipTables := make(map[string]bool)
if skipTablesStr == "" {
return skipTables
}
// Split by comma and trim whitespace
parts := strings.Split(skipTablesStr, ",")
for _, part := range parts {
trimmed := strings.TrimSpace(part)
if trimmed != "" {
// Store in lowercase for case-insensitive matching
skipTables[strings.ToLower(trimmed)] = true
}
}
return skipTables
}

View File

@@ -22,4 +22,5 @@ func init() {
rootCmd.AddCommand(scriptsCmd)
rootCmd.AddCommand(templCmd)
rootCmd.AddCommand(editCmd)
rootCmd.AddCommand(mergeCmd)
}

574
pkg/merge/merge.go Normal file
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@@ -0,0 +1,574 @@
// Package merge provides utilities for merging database schemas.
// It allows combining schemas from multiple sources while avoiding duplicates,
// supporting only additive operations (no deletion or modification of existing items).
package merge
import (
"fmt"
"strings"
"git.warky.dev/wdevs/relspecgo/pkg/models"
)
// MergeResult represents the result of a merge operation
type MergeResult struct {
SchemasAdded int
TablesAdded int
ColumnsAdded int
RelationsAdded int
DomainsAdded int
EnumsAdded int
ViewsAdded int
SequencesAdded int
}
// MergeOptions contains options for merge operations
type MergeOptions struct {
SkipDomains bool
SkipRelations bool
SkipEnums bool
SkipViews bool
SkipSequences bool
SkipTableNames map[string]bool // Tables to skip during merge (keyed by table name)
}
// MergeDatabases merges the source database into the target database.
// Only adds missing items; existing items are not modified.
func MergeDatabases(target, source *models.Database, opts *MergeOptions) *MergeResult {
if opts == nil {
opts = &MergeOptions{}
}
result := &MergeResult{}
if target == nil || source == nil {
return result
}
// Merge schemas and their contents
result.merge(target, source, opts)
return result
}
func (r *MergeResult) merge(target, source *models.Database, opts *MergeOptions) {
// Create maps of existing schemas for quick lookup
existingSchemas := make(map[string]*models.Schema)
for _, schema := range target.Schemas {
existingSchemas[schema.SQLName()] = schema
}
// Merge schemas
for _, srcSchema := range source.Schemas {
schemaName := srcSchema.SQLName()
if tgtSchema, exists := existingSchemas[schemaName]; exists {
// Schema exists, merge its contents
r.mergeSchemaContents(tgtSchema, srcSchema, opts)
} else {
// Schema doesn't exist, add it
newSchema := cloneSchema(srcSchema)
target.Schemas = append(target.Schemas, newSchema)
r.SchemasAdded++
}
}
// Merge domains if not skipped
if !opts.SkipDomains {
r.mergeDomains(target, source)
}
}
func (r *MergeResult) mergeSchemaContents(target, source *models.Schema, opts *MergeOptions) {
// Merge tables
r.mergeTables(target, source, opts)
// Merge views if not skipped
if !opts.SkipViews {
r.mergeViews(target, source)
}
// Merge sequences if not skipped
if !opts.SkipSequences {
r.mergeSequences(target, source)
}
// Merge enums if not skipped
if !opts.SkipEnums {
r.mergeEnums(target, source)
}
// Merge relations if not skipped
if !opts.SkipRelations {
r.mergeRelations(target, source)
}
}
func (r *MergeResult) mergeTables(schema *models.Schema, source *models.Schema, opts *MergeOptions) {
// Create map of existing tables
existingTables := make(map[string]*models.Table)
for _, table := range schema.Tables {
existingTables[table.SQLName()] = table
}
// Merge tables
for _, srcTable := range source.Tables {
tableName := srcTable.SQLName()
// Skip if table is in the skip list (case-insensitive)
if opts != nil && opts.SkipTableNames != nil && opts.SkipTableNames[strings.ToLower(tableName)] {
continue
}
if tgtTable, exists := existingTables[tableName]; exists {
// Table exists, merge its columns
r.mergeColumns(tgtTable, srcTable)
} else {
// Table doesn't exist, add it
newTable := cloneTable(srcTable)
schema.Tables = append(schema.Tables, newTable)
r.TablesAdded++
// Count columns in the newly added table
r.ColumnsAdded += len(newTable.Columns)
}
}
}
func (r *MergeResult) mergeColumns(table *models.Table, srcTable *models.Table) {
// Create map of existing columns
existingColumns := make(map[string]*models.Column)
for colName := range table.Columns {
existingColumns[colName] = table.Columns[colName]
}
// Merge columns
for colName, srcCol := range srcTable.Columns {
if _, exists := existingColumns[colName]; !exists {
// Column doesn't exist, add it
newCol := cloneColumn(srcCol)
table.Columns[colName] = newCol
r.ColumnsAdded++
}
}
}
func (r *MergeResult) mergeViews(schema *models.Schema, source *models.Schema) {
// Create map of existing views
existingViews := make(map[string]*models.View)
for _, view := range schema.Views {
existingViews[view.SQLName()] = view
}
// Merge views
for _, srcView := range source.Views {
viewName := srcView.SQLName()
if _, exists := existingViews[viewName]; !exists {
// View doesn't exist, add it
newView := cloneView(srcView)
schema.Views = append(schema.Views, newView)
r.ViewsAdded++
}
}
}
func (r *MergeResult) mergeSequences(schema *models.Schema, source *models.Schema) {
// Create map of existing sequences
existingSequences := make(map[string]*models.Sequence)
for _, seq := range schema.Sequences {
existingSequences[seq.SQLName()] = seq
}
// Merge sequences
for _, srcSeq := range source.Sequences {
seqName := srcSeq.SQLName()
if _, exists := existingSequences[seqName]; !exists {
// Sequence doesn't exist, add it
newSeq := cloneSequence(srcSeq)
schema.Sequences = append(schema.Sequences, newSeq)
r.SequencesAdded++
}
}
}
func (r *MergeResult) mergeEnums(schema *models.Schema, source *models.Schema) {
// Create map of existing enums
existingEnums := make(map[string]*models.Enum)
for _, enum := range schema.Enums {
existingEnums[enum.SQLName()] = enum
}
// Merge enums
for _, srcEnum := range source.Enums {
enumName := srcEnum.SQLName()
if _, exists := existingEnums[enumName]; !exists {
// Enum doesn't exist, add it
newEnum := cloneEnum(srcEnum)
schema.Enums = append(schema.Enums, newEnum)
r.EnumsAdded++
}
}
}
func (r *MergeResult) mergeRelations(schema *models.Schema, source *models.Schema) {
// Create map of existing relations
existingRelations := make(map[string]*models.Relationship)
for _, rel := range schema.Relations {
existingRelations[rel.SQLName()] = rel
}
// Merge relations
for _, srcRel := range source.Relations {
if _, exists := existingRelations[srcRel.SQLName()]; !exists {
// Relation doesn't exist, add it
newRel := cloneRelation(srcRel)
schema.Relations = append(schema.Relations, newRel)
r.RelationsAdded++
}
}
}
func (r *MergeResult) mergeDomains(target *models.Database, source *models.Database) {
// Create map of existing domains
existingDomains := make(map[string]*models.Domain)
for _, domain := range target.Domains {
existingDomains[domain.SQLName()] = domain
}
// Merge domains
for _, srcDomain := range source.Domains {
domainName := srcDomain.SQLName()
if _, exists := existingDomains[domainName]; !exists {
// Domain doesn't exist, add it
newDomain := cloneDomain(srcDomain)
target.Domains = append(target.Domains, newDomain)
r.DomainsAdded++
}
}
}
// Clone functions to create deep copies of models
func cloneSchema(schema *models.Schema) *models.Schema {
if schema == nil {
return nil
}
newSchema := &models.Schema{
Name: schema.Name,
Description: schema.Description,
Owner: schema.Owner,
Comment: schema.Comment,
Sequence: schema.Sequence,
UpdatedAt: schema.UpdatedAt,
Tables: make([]*models.Table, 0),
Views: make([]*models.View, 0),
Sequences: make([]*models.Sequence, 0),
Enums: make([]*models.Enum, 0),
Relations: make([]*models.Relationship, 0),
}
if schema.Permissions != nil {
newSchema.Permissions = make(map[string]string)
for k, v := range schema.Permissions {
newSchema.Permissions[k] = v
}
}
if schema.Metadata != nil {
newSchema.Metadata = make(map[string]interface{})
for k, v := range schema.Metadata {
newSchema.Metadata[k] = v
}
}
if schema.Scripts != nil {
newSchema.Scripts = make([]*models.Script, len(schema.Scripts))
copy(newSchema.Scripts, schema.Scripts)
}
// Clone tables
for _, table := range schema.Tables {
newSchema.Tables = append(newSchema.Tables, cloneTable(table))
}
// Clone views
for _, view := range schema.Views {
newSchema.Views = append(newSchema.Views, cloneView(view))
}
// Clone sequences
for _, seq := range schema.Sequences {
newSchema.Sequences = append(newSchema.Sequences, cloneSequence(seq))
}
// Clone enums
for _, enum := range schema.Enums {
newSchema.Enums = append(newSchema.Enums, cloneEnum(enum))
}
// Clone relations
for _, rel := range schema.Relations {
newSchema.Relations = append(newSchema.Relations, cloneRelation(rel))
}
return newSchema
}
func cloneTable(table *models.Table) *models.Table {
if table == nil {
return nil
}
newTable := &models.Table{
Name: table.Name,
Description: table.Description,
Schema: table.Schema,
Comment: table.Comment,
Sequence: table.Sequence,
UpdatedAt: table.UpdatedAt,
Columns: make(map[string]*models.Column),
Constraints: make(map[string]*models.Constraint),
Indexes: make(map[string]*models.Index),
}
if table.Metadata != nil {
newTable.Metadata = make(map[string]interface{})
for k, v := range table.Metadata {
newTable.Metadata[k] = v
}
}
// Clone columns
for colName, col := range table.Columns {
newTable.Columns[colName] = cloneColumn(col)
}
// Clone constraints
for constName, constraint := range table.Constraints {
newTable.Constraints[constName] = cloneConstraint(constraint)
}
// Clone indexes
for idxName, index := range table.Indexes {
newTable.Indexes[idxName] = cloneIndex(index)
}
return newTable
}
func cloneColumn(col *models.Column) *models.Column {
if col == nil {
return nil
}
newCol := &models.Column{
Name: col.Name,
Type: col.Type,
Description: col.Description,
Comment: col.Comment,
IsPrimaryKey: col.IsPrimaryKey,
NotNull: col.NotNull,
Default: col.Default,
Precision: col.Precision,
Scale: col.Scale,
Length: col.Length,
Sequence: col.Sequence,
AutoIncrement: col.AutoIncrement,
Collation: col.Collation,
}
return newCol
}
func cloneConstraint(constraint *models.Constraint) *models.Constraint {
if constraint == nil {
return nil
}
newConstraint := &models.Constraint{
Type: constraint.Type,
Columns: make([]string, len(constraint.Columns)),
ReferencedTable: constraint.ReferencedTable,
ReferencedSchema: constraint.ReferencedSchema,
ReferencedColumns: make([]string, len(constraint.ReferencedColumns)),
OnUpdate: constraint.OnUpdate,
OnDelete: constraint.OnDelete,
Expression: constraint.Expression,
Name: constraint.Name,
Deferrable: constraint.Deferrable,
InitiallyDeferred: constraint.InitiallyDeferred,
Sequence: constraint.Sequence,
}
copy(newConstraint.Columns, constraint.Columns)
copy(newConstraint.ReferencedColumns, constraint.ReferencedColumns)
return newConstraint
}
func cloneIndex(index *models.Index) *models.Index {
if index == nil {
return nil
}
newIndex := &models.Index{
Name: index.Name,
Description: index.Description,
Table: index.Table,
Schema: index.Schema,
Columns: make([]string, len(index.Columns)),
Unique: index.Unique,
Type: index.Type,
Where: index.Where,
Concurrent: index.Concurrent,
Include: make([]string, len(index.Include)),
Comment: index.Comment,
Sequence: index.Sequence,
}
copy(newIndex.Columns, index.Columns)
copy(newIndex.Include, index.Include)
return newIndex
}
func cloneView(view *models.View) *models.View {
if view == nil {
return nil
}
newView := &models.View{
Name: view.Name,
Description: view.Description,
Schema: view.Schema,
Definition: view.Definition,
Comment: view.Comment,
Sequence: view.Sequence,
Columns: make(map[string]*models.Column),
}
if view.Metadata != nil {
newView.Metadata = make(map[string]interface{})
for k, v := range view.Metadata {
newView.Metadata[k] = v
}
}
// Clone columns
for colName, col := range view.Columns {
newView.Columns[colName] = cloneColumn(col)
}
return newView
}
func cloneSequence(seq *models.Sequence) *models.Sequence {
if seq == nil {
return nil
}
newSeq := &models.Sequence{
Name: seq.Name,
Description: seq.Description,
Schema: seq.Schema,
StartValue: seq.StartValue,
MinValue: seq.MinValue,
MaxValue: seq.MaxValue,
IncrementBy: seq.IncrementBy,
CacheSize: seq.CacheSize,
Cycle: seq.Cycle,
OwnedByTable: seq.OwnedByTable,
OwnedByColumn: seq.OwnedByColumn,
Comment: seq.Comment,
Sequence: seq.Sequence,
}
return newSeq
}
func cloneEnum(enum *models.Enum) *models.Enum {
if enum == nil {
return nil
}
newEnum := &models.Enum{
Name: enum.Name,
Values: make([]string, len(enum.Values)),
Schema: enum.Schema,
}
copy(newEnum.Values, enum.Values)
return newEnum
}
func cloneRelation(rel *models.Relationship) *models.Relationship {
if rel == nil {
return nil
}
newRel := &models.Relationship{
Name: rel.Name,
Type: rel.Type,
FromTable: rel.FromTable,
FromSchema: rel.FromSchema,
FromColumns: make([]string, len(rel.FromColumns)),
ToTable: rel.ToTable,
ToSchema: rel.ToSchema,
ToColumns: make([]string, len(rel.ToColumns)),
ForeignKey: rel.ForeignKey,
ThroughTable: rel.ThroughTable,
ThroughSchema: rel.ThroughSchema,
Description: rel.Description,
Sequence: rel.Sequence,
}
if rel.Properties != nil {
newRel.Properties = make(map[string]string)
for k, v := range rel.Properties {
newRel.Properties[k] = v
}
}
copy(newRel.FromColumns, rel.FromColumns)
copy(newRel.ToColumns, rel.ToColumns)
return newRel
}
func cloneDomain(domain *models.Domain) *models.Domain {
if domain == nil {
return nil
}
newDomain := &models.Domain{
Name: domain.Name,
Description: domain.Description,
Comment: domain.Comment,
Sequence: domain.Sequence,
Tables: make([]*models.DomainTable, len(domain.Tables)),
}
if domain.Metadata != nil {
newDomain.Metadata = make(map[string]interface{})
for k, v := range domain.Metadata {
newDomain.Metadata[k] = v
}
}
copy(newDomain.Tables, domain.Tables)
return newDomain
}
// GetMergeSummary returns a human-readable summary of the merge result
func GetMergeSummary(result *MergeResult) string {
if result == nil {
return "No merge result available"
}
lines := []string{
"=== Merge Summary ===",
fmt.Sprintf("Schemas added: %d", result.SchemasAdded),
fmt.Sprintf("Tables added: %d", result.TablesAdded),
fmt.Sprintf("Columns added: %d", result.ColumnsAdded),
fmt.Sprintf("Views added: %d", result.ViewsAdded),
fmt.Sprintf("Sequences added: %d", result.SequencesAdded),
fmt.Sprintf("Enums added: %d", result.EnumsAdded),
fmt.Sprintf("Relations added: %d", result.RelationsAdded),
fmt.Sprintf("Domains added: %d", result.DomainsAdded),
}
totalAdded := result.SchemasAdded + result.TablesAdded + result.ColumnsAdded +
result.ViewsAdded + result.SequencesAdded + result.EnumsAdded +
result.RelationsAdded + result.DomainsAdded
lines = append(lines, fmt.Sprintf("Total items added: %d", totalAdded))
summary := ""
for _, line := range lines {
summary += line + "\n"
}
return summary
}

View File

@@ -4,10 +4,12 @@ import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/gdamore/tcell/v2"
"github.com/rivo/tview"
"git.warky.dev/wdevs/relspecgo/pkg/merge"
"git.warky.dev/wdevs/relspecgo/pkg/models"
"git.warky.dev/wdevs/relspecgo/pkg/readers"
rbun "git.warky.dev/wdevs/relspecgo/pkg/readers/bun"
@@ -522,3 +524,268 @@ Examples:
- File: ~/schemas/mydb.dbml
- Directory (for code formats): ./models/`
}
// showImportScreen displays the import/merge database screen
func (se *SchemaEditor) showImportScreen() {
flex := tview.NewFlex().SetDirection(tview.FlexRow)
// Title
title := tview.NewTextView().
SetText("[::b]Import & Merge Database Schema").
SetTextAlign(tview.AlignCenter).
SetDynamicColors(true)
// Form
form := tview.NewForm()
form.SetBorder(true).SetTitle(" Import Configuration ").SetTitleAlign(tview.AlignLeft)
// Format selection
formatOptions := []string{
"dbml", "dctx", "drawdb", "graphql", "json", "yaml",
"gorm", "bun", "drizzle", "prisma", "typeorm", "pgsql",
}
selectedFormat := 0
currentFormat := formatOptions[selectedFormat]
// File path input
filePath := ""
connString := ""
skipDomains := false
skipRelations := false
skipEnums := false
skipViews := false
skipSequences := false
skipTables := ""
form.AddDropDown("Format", formatOptions, 0, func(option string, index int) {
selectedFormat = index
currentFormat = option
})
form.AddInputField("File Path", "", 50, nil, func(value string) {
filePath = value
})
form.AddInputField("Connection String", "", 50, nil, func(value string) {
connString = value
})
form.AddInputField("Skip Tables (comma-separated)", "", 50, nil, func(value string) {
skipTables = value
})
form.AddCheckbox("Skip Domains", false, func(checked bool) {
skipDomains = checked
})
form.AddCheckbox("Skip Relations", false, func(checked bool) {
skipRelations = checked
})
form.AddCheckbox("Skip Enums", false, func(checked bool) {
skipEnums = checked
})
form.AddCheckbox("Skip Views", false, func(checked bool) {
skipViews = checked
})
form.AddCheckbox("Skip Sequences", false, func(checked bool) {
skipSequences = checked
})
form.AddTextView("Help", getImportHelpText(), 0, 7, true, false)
// Buttons
form.AddButton("Import & Merge [i]", func() {
se.importAndMergeDatabase(currentFormat, filePath, connString, skipDomains, skipRelations, skipEnums, skipViews, skipSequences, skipTables)
})
form.AddButton("Back [b]", func() {
se.pages.RemovePage("import-database")
se.pages.SwitchToPage("main")
})
form.AddButton("Exit [q]", func() {
se.app.Stop()
})
// Keyboard shortcuts
form.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
if event.Key() == tcell.KeyEscape {
se.pages.RemovePage("import-database")
se.pages.SwitchToPage("main")
return nil
}
switch event.Rune() {
case 'i':
se.importAndMergeDatabase(currentFormat, filePath, connString, skipDomains, skipRelations, skipEnums, skipViews, skipSequences, skipTables)
return nil
case 'b':
se.pages.RemovePage("import-database")
se.pages.SwitchToPage("main")
return nil
case 'q':
se.app.Stop()
return nil
}
return event
})
flex.AddItem(title, 1, 0, false).
AddItem(form, 0, 1, true)
se.pages.AddAndSwitchToPage("import-database", flex, true)
}
// importAndMergeDatabase imports and merges a database from the specified configuration
func (se *SchemaEditor) importAndMergeDatabase(format, filePath, connString string, skipDomains, skipRelations, skipEnums, skipViews, skipSequences bool, skipTables string) {
// Validate input
if format == "pgsql" {
if connString == "" {
se.showErrorDialog("Error", "Connection string is required for PostgreSQL")
return
}
} else {
if filePath == "" {
se.showErrorDialog("Error", "File path is required for "+format)
return
}
// Expand home directory
if len(filePath) > 0 && filePath[0] == '~' {
home, err := os.UserHomeDir()
if err == nil {
filePath = filepath.Join(home, filePath[1:])
}
}
}
// Create reader
var reader readers.Reader
switch format {
case "dbml":
reader = rdbml.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "dctx":
reader = rdctx.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "drawdb":
reader = rdrawdb.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "graphql":
reader = rgraphql.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "json":
reader = rjson.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "yaml":
reader = ryaml.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "gorm":
reader = rgorm.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "bun":
reader = rbun.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "drizzle":
reader = rdrizzle.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "prisma":
reader = rprisma.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "typeorm":
reader = rtypeorm.NewReader(&readers.ReaderOptions{FilePath: filePath})
case "pgsql":
reader = rpgsql.NewReader(&readers.ReaderOptions{ConnectionString: connString})
default:
se.showErrorDialog("Error", "Unsupported format: "+format)
return
}
// Read the database to import
importDb, err := reader.ReadDatabase()
if err != nil {
se.showErrorDialog("Import Error", fmt.Sprintf("Failed to read database: %v", err))
return
}
// Show confirmation dialog
se.showImportConfirmation(importDb, skipDomains, skipRelations, skipEnums, skipViews, skipSequences, skipTables)
}
// showImportConfirmation shows a confirmation dialog before merging
func (se *SchemaEditor) showImportConfirmation(importDb *models.Database, skipDomains, skipRelations, skipEnums, skipViews, skipSequences bool, skipTables string) {
confirmText := fmt.Sprintf("Import & Merge Database?\n\nSource: %s\nTarget: %s\n\nThis will add missing schemas, tables, columns, and other objects from the source to your database.\n\nExisting items will NOT be modified.",
importDb.Name, se.db.Name)
modal := tview.NewModal().
SetText(confirmText).
AddButtons([]string{"Cancel", "Merge"}).
SetDoneFunc(func(buttonIndex int, buttonLabel string) {
se.pages.RemovePage("import-confirm")
if buttonLabel == "Merge" {
se.performMerge(importDb, skipDomains, skipRelations, skipEnums, skipViews, skipSequences, skipTables)
}
})
modal.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
if event.Key() == tcell.KeyEscape {
se.pages.RemovePage("import-confirm")
se.pages.SwitchToPage("import-database")
return nil
}
return event
})
se.pages.AddAndSwitchToPage("import-confirm", modal, true)
}
// performMerge performs the actual merge operation
func (se *SchemaEditor) performMerge(importDb *models.Database, skipDomains, skipRelations, skipEnums, skipViews, skipSequences bool, skipTables string) {
// Create merge options
opts := &merge.MergeOptions{
SkipDomains: skipDomains,
SkipRelations: skipRelations,
SkipEnums: skipEnums,
SkipViews: skipViews,
SkipSequences: skipSequences,
}
// Parse skip tables
if skipTables != "" {
opts.SkipTableNames = parseSkipTablesUI(skipTables)
}
// Perform the merge
result := merge.MergeDatabases(se.db, importDb, opts)
// Update the database timestamp
se.db.UpdateDate()
// Show success dialog with summary
summary := merge.GetMergeSummary(result)
se.showSuccessDialog("Import Complete", summary, func() {
se.pages.RemovePage("import-database")
se.pages.RemovePage("main")
se.pages.AddPage("main", se.createMainMenu(), true, true)
})
}
// getImportHelpText returns the help text for the import screen
func getImportHelpText() string {
return `Import & Merge: Adds missing schemas, tables, columns, and other objects to your existing database.
File-based formats: dbml, dctx, drawdb, graphql, json, yaml, gorm, bun, drizzle, prisma, typeorm
Database formats: pgsql (requires connection string)
Skip options: Check to exclude specific object types from the merge.`
}
func parseSkipTablesUI(skipTablesStr string) map[string]bool {
skipTables := make(map[string]bool)
if skipTablesStr == "" {
return skipTables
}
// Split by comma and trim whitespace
parts := strings.Split(skipTablesStr, ",")
for _, part := range parts {
trimmed := strings.TrimSpace(part)
if trimmed != "" {
// Store in lowercase for case-insensitive matching
skipTables[strings.ToLower(trimmed)] = true
}
}
return skipTables
}

View File

@@ -39,6 +39,9 @@ func (se *SchemaEditor) createMainMenu() tview.Primitive {
AddItem("Manage Domains", "View, create, edit, and delete domains", 'd', func() {
se.showDomainList()
}).
AddItem("Import & Merge", "Import and merge schema from another database", 'i', func() {
se.showImportScreen()
}).
AddItem("Save Database", "Save database to file or database", 'w', func() {
se.showSaveScreen()
}).