SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 1)
         ExpressionList (children 1)
          Literal \'1234\' (alias x)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 1)
         ExpressionList (children 1)
          Literal \'1234\' (alias x)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier events (alias events)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier cte2
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier cte2.x
        Identifier events.distinct_id
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier cte1
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier cte1.x
        Identifier cte2.x
   Literal UInt64_1
