SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function bitmapCardinality (children 1)
     ExpressionList (children 1)
      Function bitmapAnd (children 1)
       ExpressionList (children 2)
        Function bitmapBuild (children 1)
         ExpressionList (children 1)
          Function CAST (children 1)
           ExpressionList (children 2)
            Literal Array_[UInt64_19, UInt64_7]
            Literal \'Array(UInt32)\'
        Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier bitmap_column_expr_test
