Method transformUpdateStmt

transpiler/transform/operators.go:262–299

(stmt *pg_query.UpdateStmt)

}

func (t *OperatorTransform) transformUpdateStmt(stmt *pg_query.UpdateStmt) bool {
	if stmt == nil {
		return false
	}

	changed := false

	// Transform SET clause values
	for _, target := range stmt.TargetList {
		if resTarget := target.GetResTarget(); resTarget != nil && resTarget.Val != nil {
			if newVal := t.transformExpression(resTarget.Val); newVal != nil {
				resTarget.Val = newVal
				changed = true
			}
		}
	}

	// Transform WHERE clause
	if stmt.WhereClause != nil {
		if newWhere := t.transformExpression(stmt.WhereClause); newWhere != nil {
			stmt.WhereClause = newWhere
			changed = true
		}
	}

	// Transform FROM clause
	for _, from := range stmt.FromClause {
		if t.transformFromItem(from) {
			changed = true
		}
	}

	if t.transformReturningList(stmt.ReturningList) {
		changed = true
	}

	return changed
}

func (t *OperatorTransform) transformDeleteStmt(stmt *pg_query.DeleteStmt) bool {
	if stmt == nil {