init - add project files

tools/jet-2.12.0/generator/sqlite/sqlite_generator.go

@@ -0,0 +1,37 @@
+package sqlite
+
+import (
+	"database/sql"
+	"fmt"
+	"github.com/go-jet/jet/v2/generator/metadata"
+	"github.com/go-jet/jet/v2/generator/template"
+	"github.com/go-jet/jet/v2/sqlite"
+)
+
+// GenerateDSN generates jet files using dsn connection string
+func GenerateDSN(dsn, destDir string, templates ...template.Template) error {
+	db, err := sql.Open("sqlite3", dsn)
+	if err != nil {
+		return fmt.Errorf("failed to open sqlite connection: %w", err)
+	}
+	defer db.Close()
+
+	fmt.Println("Retrieving schema information...")
+
+	generatorTemplate := template.Default(sqlite.Dialect)
+	if len(templates) > 0 {
+		generatorTemplate = templates[0]
+	}
+
+	schemaMetadata, err := metadata.GetSchema(db, &sqliteQuerySet{}, "")
+	if err != nil {
+		return fmt.Errorf("failed to query database metadata: %w", err)
+	}
+
+	err = template.ProcessSchema(destDir, schemaMetadata, generatorTemplate)
+	if err != nil {
+		return fmt.Errorf("failed to process database %s: %w", schemaMetadata.Name, err)
+	}
+
+	return nil
+}