CreateQuery test_optimize_exception (children 3)
 Identifier test_optimize_exception
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration date (children 1)
    DataType Date
 Storage definition (children 2)
  Function toYYYYMM (children 1)
   ExpressionList (children 1)
    Identifier date
  Identifier date