SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier ref_0.c11 (alias c_2_c30_0)
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t2 (alias ref_0)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias subq_0) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Identifier ref_1.c3 (alias c_6_c28_15)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier t1 (alias ref_1)
     TableJoin
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier subq_0.c_6_c28_15
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 4)
         ExpressionList (children 1)
          Identifier c11
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier t2
         ExpressionList (children 1)
          OrderByElement (children 1)
           Identifier c11
         Literal UInt64_1
