68 lines
1.2 KiB
Go
68 lines
1.2 KiB
Go
package postgresmeta
|
|
|
|
import (
|
|
"database/sql"
|
|
"github.com/go-jet/jet/generator/internal/metadata"
|
|
)
|
|
|
|
// EnumInfo struct
|
|
type EnumInfo struct {
|
|
name string
|
|
Values []string
|
|
}
|
|
|
|
// Name returns enum name
|
|
func (e EnumInfo) Name() string {
|
|
return e.name
|
|
}
|
|
|
|
func getEnumInfos(db *sql.DB, schemaName string) ([]metadata.MetaData, error) {
|
|
query := `
|
|
SELECT t.typname,
|
|
e.enumlabel
|
|
FROM pg_catalog.pg_type t
|
|
JOIN pg_catalog.pg_enum e on t.oid = e.enumtypid
|
|
JOIN pg_catalog.pg_namespace n ON n.oid = t.typnamespace
|
|
WHERE n.nspname = $1
|
|
ORDER BY n.nspname, t.typname, e.enumsortorder;`
|
|
|
|
rows, err := db.Query(query, schemaName)
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
enumsInfosMap := map[string][]string{}
|
|
for rows.Next() {
|
|
var enumName string
|
|
var enumValue string
|
|
err = rows.Scan(&enumName, &enumValue)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
enumValues := enumsInfosMap[enumName]
|
|
|
|
enumValues = append(enumValues, enumValue)
|
|
|
|
enumsInfosMap[enumName] = enumValues
|
|
}
|
|
|
|
err = rows.Err()
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ret := []metadata.MetaData{}
|
|
|
|
for enumName, enumValues := range enumsInfosMap {
|
|
ret = append(ret, EnumInfo{
|
|
enumName,
|
|
enumValues,
|
|
})
|
|
}
|
|
|
|
return ret, nil
|
|
}
|