SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function arraySort (children 1)
     ExpressionList (children 1)
      Function bitmapToArray (children 1)
       ExpressionList (children 1)
        Function groupBitmapMergeState (children 1)
         ExpressionList (children 1)
          Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier bitmap_column_expr_test2
   Function like (children 1)
    ExpressionList (children 2)
     Identifier tag_id
     Literal \'tag%\'