SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function materialize (children 1)
            ExpressionList (children 1)
             Function toUInt256 (children 1)
              ExpressionList (children 1)
               Literal UInt64_2
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal UInt64_1
   ExpressionList (children 2)
    Function ignore (children 1)
     ExpressionList (children 1)
      Function lessOrEquals (children 1)
       ExpressionList (children 2)
        Literal UInt64_18
        Function isNotNull (children 1)
         ExpressionList (children 1)
          Function toLowCardinality (children 1)
           ExpressionList (children 1)
            Literal UInt64_10
    Literal UInt64_1
   Function ignore (children 1)
    ExpressionList (children 1)
     Function isZeroOrNull (children 1)
      ExpressionList (children 1)
       Literal UInt64_5
