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generator/*: allow passing DB directly

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Closes #441
This commit is contained in:
TotallyGamerJet 2025-01-17 14:49:04 -05:00
parent 269bb4a3c9
commit e4ceb421de
3 changed files with 18 additions and 4 deletions
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7
generator/mysql/mysql_generator.go
View file

@ -38,7 +38,7 @@ func Generate(destDir string, dbConn DBConnection, generatorTemplate ...template
} }
defer db.Close() defer db.Close()
err = generate(db, dbConn.DBName, destDir, generatorTemplate...) err = GenerateDB(db, dbConn.DBName, destDir, generatorTemplate...)
if err != nil { if err != nil {
return err return err
} }
@ -70,7 +70,7 @@ func GenerateDSN(dsn, destDir string, templates ...template.Template) error {
} }
defer db.Close() defer db.Close()
err = generate(db, cfg.DBName, destDir, templates...) err = GenerateDB(db, cfg.DBName, destDir, templates...)
if err != nil { if err != nil {
return fmt.Errorf("failed to generate: %w", err) return fmt.Errorf("failed to generate: %w", err)
} }
@ -96,7 +96,8 @@ func openConnection(connectionString string) (*sql.DB, error) {
return db, nil return db, nil
} }
func generate(db *sql.DB, dbName, destDir string, templates ...template.Template) error { // GenerateDB generates jet files using the provided *sql.DB
func GenerateDB(db *sql.DB, dbName, destDir string, templates ...template.Template) error {
fmt.Println("Retrieving database information...") fmt.Println("Retrieving database information...")
// No schemas in MySQL // No schemas in MySQL
schemaMetaData, err := metadata.GetSchema(db, &mySqlQuerySet{}, dbName) schemaMetaData, err := metadata.GetSchema(db, &mySqlQuerySet{}, dbName)

10
generator/postgres/postgres_generator.go
View file

@ -56,6 +56,14 @@ func GenerateDSN(dsn, schema, destDir string, templates ...template.Template) er
defer db.Close() defer db.Close()
fmt.Println("Retrieving schema information...") fmt.Println("Retrieving schema information...")
return GenerateDB(db, schema, cfg.Database, destDir, templates...)
}
// GenerateDB generates jet files using the provided *sql.DB
func GenerateDB(db *sql.DB, dbName, schema, destDir string, templates ...template.Template) error {
if dbName == "" {
return fmt.Errorf("database name is required")
}
generatorTemplate := template.Default(postgres.Dialect) generatorTemplate := template.Default(postgres.Dialect)
if len(templates) > 0 { if len(templates) > 0 {
generatorTemplate = templates[0] generatorTemplate = templates[0]
@ -66,7 +74,7 @@ func GenerateDSN(dsn, schema, destDir string, templates ...template.Template) er
return fmt.Errorf("failed to get '%s' schema metadata: %w", schema, err) return fmt.Errorf("failed to get '%s' schema metadata: %w", schema, err)
} }
dirPath := filepath.Join(destDir, cfg.Database) dirPath := filepath.Join(destDir, dbName)
err = template.ProcessSchema(dirPath, schemaMetadata, generatorTemplate) err = template.ProcessSchema(dirPath, schemaMetadata, generatorTemplate)
if err != nil { if err != nil {

5
generator/sqlite/sqlite_generator.go
View file

@ -3,6 +3,7 @@ package sqlite
import ( import (
"database/sql" "database/sql"
"fmt" "fmt"
"github.com/go-jet/jet/v2/generator/metadata" "github.com/go-jet/jet/v2/generator/metadata"
"github.com/go-jet/jet/v2/generator/template" "github.com/go-jet/jet/v2/generator/template"
"github.com/go-jet/jet/v2/sqlite" "github.com/go-jet/jet/v2/sqlite"
@ -17,7 +18,11 @@ func GenerateDSN(dsn, destDir string, templates ...template.Template) error {
defer db.Close() defer db.Close()
fmt.Println("Retrieving schema information...") fmt.Println("Retrieving schema information...")
return GenerateDB(db, destDir, templates...)
}
// GenerateDB generates jet files using the provided *sql.DB
func GenerateDB(db *sql.DB, destDir string, templates ...template.Template) error {
generatorTemplate := template.Default(sqlite.Dialect) generatorTemplate := template.Default(sqlite.Dialect)
if len(templates) > 0 { if len(templates) > 0 {
generatorTemplate = templates[0] generatorTemplate = templates[0]