fix(spec): unwrap SQL wrapper metadata types

This commit is contained in:
2026-08-28 22:42:52 +02:00
parent dab4940ace
commit a68cf83be6
6 changed files with 218 additions and 19 deletions
+31 -3
View File
@@ -85,13 +85,19 @@ func buildModelInfo(schema, entity string, model interface{}) modelInfo {
// Skip relation fields (slice or user-defined struct that isn't time.Time).
fieldType, found := modelType.FieldByName(d.Name)
var unwrappedType reflect.Type
isSQLType := false
if found {
ft := fieldType.Type
if ft.Kind() == reflect.Pointer {
if sqlType, ok := unwrapSQLType(ft); ok {
unwrappedType = sqlType
ft = sqlType
isSQLType = true
} else if ft.Kind() == reflect.Pointer {
ft = ft.Elem()
}
isUserStruct := ft.Kind() == reflect.Struct && ft.Name() != "Time" && ft.PkgPath() != ""
if ft.Kind() == reflect.Slice || isUserStruct {
if !isSQLType && (ft.Kind() == reflect.Slice || isUserStruct) {
info.relationNames = append(info.relationNames, jsonName)
continue
}
@@ -104,6 +110,9 @@ func buildModelInfo(schema, entity string, model interface{}) modelInfo {
// Derive Go type name, unwrapping pointer if needed.
goType := d.DataType
if isSQLType {
goType = unwrappedType.Name()
}
if goType == "" && found {
ft := fieldType.Type
for ft.Kind() == reflect.Pointer {
@@ -125,7 +134,7 @@ func buildModelInfo(schema, entity string, model interface{}) modelInfo {
isPrimary: isPrimary,
isUnique: d.SQLKey == "unique" || d.SQLKey == "uniqueindex",
isFK: d.SQLKey == "foreign_key",
nullable: d.Nullable,
nullable: isSQLType || d.Nullable,
}
info.columns = append(info.columns, ci)
}
@@ -134,6 +143,25 @@ func buildModelInfo(schema, entity string, model interface{}) modelInfo {
return info
}
// unwrapSQLType returns the value type wrapped by a spectypes SQL value. These
// types are scalar columns even when their Go representation is a struct or a
// slice (for example, SqlNull[string] and SqlJSONB).
func unwrapSQLType(t reflect.Type) (reflect.Type, bool) {
for t.Kind() == reflect.Pointer {
t = t.Elem()
}
if t.PkgPath() != "github.com/bitechdev/ResolveSpec/pkg/spectypes" {
return nil, false
}
if t.Kind() == reflect.Struct {
if value, ok := t.FieldByName("Val"); ok {
return value.Type, true
}
}
return t, true
}
// fieldJSONName returns the JSON tag name for a struct field, falling back to the field name.
func fieldJSONName(modelType reflect.Type, fieldName string) string {
field, ok := modelType.FieldByName(fieldName)
+34
View File
@@ -0,0 +1,34 @@
package resolvemcp
import (
"testing"
"github.com/bitechdev/ResolveSpec/pkg/spectypes"
)
func TestBuildModelInfo_UnwrapsSQLTypes(t *testing.T) {
type related struct {
ID int64 `json:"id"`
}
type model struct {
Name spectypes.SqlString `gorm:"column:name" json:"name"`
Metadata spectypes.SqlJSONB `gorm:"column:metadata;type:jsonb" json:"metadata"`
Related related `json:"related"`
}
info := buildModelInfo("public", "models", model{})
columns := make(map[string]columnInfo, len(info.columns))
for _, column := range info.columns {
columns[column.jsonName] = column
}
if column, ok := columns["name"]; !ok || column.goType != "string" || !column.nullable {
t.Errorf("expected name SQL wrapper column, got %+v", column)
}
if column, ok := columns["metadata"]; !ok || !column.nullable {
t.Errorf("expected metadata SQL wrapper column, got %+v", column)
}
if len(info.relationNames) != 1 || info.relationNames[0] != "related" {
t.Errorf("expected only related to be a relation, got %v", info.relationNames)
}
}
+36 -4
View File
@@ -2073,16 +2073,23 @@ func (h *Handler) generateMetadata(schema, entity string, model interface{}) *co
jsonName = field.Name
}
if field.Type.Kind() == reflect.Slice ||
(field.Type.Kind() == reflect.Struct && field.Type.Name() != "Time") {
columnField := field
isSQLType := false
if unwrappedType, ok := unwrapSQLType(field.Type); ok {
columnField.Type = unwrappedType
isSQLType = true
}
if !isSQLType && (columnField.Type.Kind() == reflect.Slice ||
(columnField.Type.Kind() == reflect.Struct && columnField.Type.Name() != "Time")) {
metadata.Relations = append(metadata.Relations, jsonName)
continue
}
column := common.Column{
Name: jsonName,
Type: getColumnType(field),
IsNullable: isNullable(field),
Type: getColumnType(columnField),
IsNullable: isSQLType || isNullable(field),
IsPrimary: strings.Contains(gormTag, "primaryKey"),
IsUnique: strings.Contains(gormTag, "unique") || strings.Contains(gormTag, "uniqueIndex"),
HasIndex: strings.Contains(gormTag, "index") || strings.Contains(gormTag, "uniqueIndex"),
@@ -2173,6 +2180,31 @@ func getColumnType(field reflect.StructField) string {
}
}
// unwrapSQLType returns the value type wrapped by a spectypes SQL value. These
// types represent columns, even when their Go representation is a struct or a
// slice (for example, SqlNull[string] and SqlJSONB).
func unwrapSQLType(t reflect.Type) (reflect.Type, bool) {
for t.Kind() == reflect.Pointer {
t = t.Elem()
}
if t.PkgPath() != "github.com/bitechdev/ResolveSpec/pkg/spectypes" {
return nil, false
}
// SqlNull aliases and the date/time wrappers expose their actual value via
// Val. FieldByName also resolves Val through the embedded SqlNull field.
if t.Kind() == reflect.Struct {
if value, ok := t.FieldByName("Val"); ok {
return value.Type, true
}
}
// SqlJSONB has no wrapper field, but remains a scalar SQL value rather than
// a relation.
return t, true
}
func isNullable(field reflect.StructField) bool {
// Check if it's a pointer type
if field.Type.Kind() == reflect.Pointer {
+43
View File
@@ -5,6 +5,7 @@ import (
"testing"
"github.com/bitechdev/ResolveSpec/pkg/common"
"github.com/bitechdev/ResolveSpec/pkg/spectypes"
)
func TestNewHandler(t *testing.T) {
@@ -202,6 +203,48 @@ func TestGetColumnType(t *testing.T) {
}
}
func TestGenerateMetadata_UnwrapsSQLTypes(t *testing.T) {
type related struct {
Name string `json:"name"`
}
type model struct {
Name spectypes.SqlString `json:"name"`
Count spectypes.SqlInt64 `json:"count"`
CreatedAt spectypes.SqlTimeStamp `json:"created_at"`
Metadata spectypes.SqlJSONB `json:"metadata" gorm:"type:jsonb"`
Related related `json:"related"`
}
metadata := NewHandler(nil, nil).generateMetadata("public", "models", model{})
columns := make(map[string]common.Column, len(metadata.Columns))
for _, column := range metadata.Columns {
columns[column.Name] = column
}
for name, wantType := range map[string]string{
"name": "string",
"count": "bigint",
"created_at": "timestamp",
"metadata": "jsonb",
} {
column, ok := columns[name]
if !ok {
t.Errorf("expected %q to be a metadata column", name)
continue
}
if column.Type != wantType {
t.Errorf("%q: expected type %q, got %q", name, wantType, column.Type)
}
if !column.IsNullable {
t.Errorf("%q: expected SQL wrapper to be nullable", name)
}
}
if len(metadata.Relations) != 1 || metadata.Relations[0] != "related" {
t.Errorf("expected only related to be a relation, got %v", metadata.Relations)
}
}
func TestIsNullable(t *testing.T) {
tests := []struct {
name string
+28
View File
@@ -5,6 +5,7 @@ import (
"testing"
"github.com/bitechdev/ResolveSpec/pkg/common"
"github.com/bitechdev/ResolveSpec/pkg/spectypes"
)
// detailTestModel is a simple model with gorm column/type tags for detail format tests.
@@ -207,3 +208,30 @@ func TestBuildDetailFields_SkipsRelations(t *testing.T) {
t.Errorf("expected 2 scalar fields (id, name), got %d", len(fields))
}
}
func TestBuildDetailFields_UnwrapsSQLTypes(t *testing.T) {
type model struct {
Name spectypes.SqlString `gorm:"column:name" json:"name"`
CreatedAt spectypes.SqlTimeStamp `gorm:"column:created_at" json:"created_at"`
Metadata spectypes.SqlJSONB `gorm:"column:metadata;type:jsonb" json:"metadata"`
}
fields := (&Handler{}).buildDetailFields(model{})
byName := make(map[string]string, len(fields))
for _, field := range fields {
byName[field.Name] = field.DataType
if !field.Nullable {
t.Errorf("%q: expected SQL wrapper to be nullable", field.Name)
}
}
for name, want := range map[string]string{
"name": "string",
"created_at": "unknown",
"metadata": "unknown",
} {
if got := byName[name]; got != want {
t.Errorf("%q: expected type %q, got %q", name, want, got)
}
}
}
+46 -12
View File
@@ -2551,10 +2551,18 @@ func (h *Handler) generateMetadata(schema, entity string, model interface{}) *co
jsonName = field.Name
}
// Check if this is a relation field (slice or struct, but not time.Time)
if field.Type.Kind() == reflect.Slice ||
(field.Type.Kind() == reflect.Struct && field.Type.Name() != "Time") ||
(field.Type.Kind() == reflect.Pointer && field.Type.Elem().Kind() == reflect.Struct && field.Type.Elem().Name() != "Time") {
columnType := field.Type
isSQLType := false
if unwrappedType, ok := unwrapSQLType(field.Type); ok {
columnType = unwrappedType
isSQLType = true
}
// Check if this is a relation field (slice or struct, but not time.Time).
// spectypes SQL values are columns even when their Go representation is a
// struct or a slice.
if !isSQLType && (columnType.Kind() == reflect.Slice ||
(columnType.Kind() == reflect.Struct && columnType.Name() != "Time")) {
metadata.Relations = append(metadata.Relations, jsonName)
continue
}
@@ -2575,8 +2583,8 @@ func (h *Handler) generateMetadata(schema, entity string, model interface{}) *co
column := common.Column{
Name: columnName,
Type: h.getColumnType(field.Type),
IsNullable: h.isNullable(field),
Type: h.getColumnType(columnType),
IsNullable: isSQLType || h.isNullable(field),
IsPrimary: strings.Contains(gormTag, "primaryKey") || strings.Contains(gormTag, "primary_key"),
IsUnique: strings.Contains(gormTag, "unique"),
HasIndex: strings.Contains(gormTag, "index"),
@@ -2607,6 +2615,27 @@ func (h *Handler) getColumnType(t reflect.Type) string {
}
}
// unwrapSQLType returns the value type wrapped by a spectypes SQL value. These
// types represent columns, even when their Go representation is a struct or a
// slice (for example, SqlNull[string] and SqlJSONB).
func unwrapSQLType(t reflect.Type) (reflect.Type, bool) {
for t.Kind() == reflect.Pointer {
t = t.Elem()
}
if t.PkgPath() != "github.com/bitechdev/ResolveSpec/pkg/spectypes" {
return nil, false
}
if t.Kind() == reflect.Struct {
if value, ok := t.FieldByName("Val"); ok {
return value.Type, true
}
}
return t, true
}
func (h *Handler) isNullable(field reflect.StructField) bool {
return field.Type.Kind() == reflect.Pointer
}
@@ -2705,13 +2734,18 @@ func (h *Handler) buildDetailFields(model interface{}) []reflection.ModelFieldDe
continue
}
// Skip relation fields (slices, structs that aren't time.Time, ptrs to struct)
// Skip relation fields (slices and structs that aren't time.Time). spectypes
// SQL values are columns, not relations.
ft := field.Type
if ft.Kind() == reflect.Pointer {
isSQLType := false
if unwrappedType, ok := unwrapSQLType(ft); ok {
ft = unwrappedType
isSQLType = true
} else if ft.Kind() == reflect.Pointer {
ft = ft.Elem()
}
if ft.Kind() == reflect.Slice ||
(ft.Kind() == reflect.Struct && ft.Name() != "Time") {
if !isSQLType && (ft.Kind() == reflect.Slice ||
(ft.Kind() == reflect.Struct && ft.Name() != "Time")) {
continue
}
@@ -2739,7 +2773,7 @@ func (h *Handler) buildDetailFields(model interface{}) []reflection.ModelFieldDe
sqlKey = "unique"
}
nullable := field.Type.Kind() == reflect.Pointer
nullable := isSQLType || field.Type.Kind() == reflect.Pointer
if strings.Contains(gormLower, "not null") {
nullable = false
} else if strings.Contains(gormLower, "nullable") || strings.Contains(gormLower, ",null") {
@@ -2748,7 +2782,7 @@ func (h *Handler) buildDetailFields(model interface{}) []reflection.ModelFieldDe
fields = append(fields, reflection.ModelFieldDetail{
Name: jsonName,
DataType: h.getColumnType(field.Type),
DataType: h.getColumnType(ft),
SQLName: sqlName,
SQLDataType: sqlDataType,
SQLKey: sqlKey,