snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/engine/duckdb/utils.go

@@ -0,0 +1,47 @@
+package duckdb
+
+import (
+	"log"
+	"strings"
+
+	dw "github.com/sqlc-dev/darkwing/ast"
+
+	"github.com/sqlc-dev/sqlc/internal/debug"
+	"github.com/sqlc-dev/sqlc/internal/sql/ast"
+)
+
+func todo(n dw.Node) *ast.TODO {
+	if debug.Active {
+		log.Printf("duckdb.convert: Unknown node type %T\n", n)
+	}
+	return &ast.TODO{}
+}
+
+// identifier normalizes an identifier. DuckDB identifiers are
+// case-insensitive (though case-preserving); the catalog matches them
+// lowercased.
+func identifier(id string) string {
+	return strings.ToLower(id)
+}
+
+func NewIdentifier(t string) *ast.String {
+	return &ast.String{Str: identifier(t)}
+}
+
+// schemaName normalizes a schema qualifier. DuckDB's default "main" schema
+// maps to the catalog's default namespace, so it is treated as unqualified.
+func schemaName(s string) string {
+	s = identifier(s)
+	if s == "main" {
+		return ""
+	}
+	return s
+}
+
+func parseTableName(catalog, schema, name string) *ast.TableName {
+	return &ast.TableName{
+		Catalog: identifier(catalog),
+		Schema:  schemaName(schema),
+		Name:    identifier(name),
+	}
+}