SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Subquery (alias n) (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 2)
        ExpressionList (children 1)
         Function groupBitmapState (alias n) (children 1)
          ExpressionList (children 1)
           Function CAST (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal \'Nullable(UInt8)\'
        TablesInSelectQuery (children 1)
         TablesInSelectQueryElement (children 1)
          TableExpression (children 1)
           Function numbers (children 1)
            ExpressionList (children 1)
             Literal UInt64_1
   ExpressionList (children 2)
    Identifier number (alias x)
    Function bitmapContains (children 1)
     ExpressionList (children 2)
      Identifier n
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10