SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 2)
          Literal \'x\' (alias s)
          Identifier number
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            Function numbers_mt (children 1)
             ExpressionList (children 1)
              Literal Float64_10000
   ExpressionList (children 1)
    Identifier t1.s
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t (alias t1)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t2
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Function substr (children 1)
         ExpressionList (children 3)
          Identifier t1.s
          Literal UInt64_1
          Literal UInt64_1
        Identifier t2.s
   Literal Float64_100000
   Set
 Identifier Null
