CreateQuery b (children 2)
 Identifier b
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 2)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (alias js1) (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 2)
           ExpressionList (children 1)
            Asterisk
           TablesInSelectQuery (children 2)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier a
            TablesInSelectQueryElement (children 2)
             TableExpression (children 1)
              TableIdentifier id1
             TableJoin (children 1)
              ExpressionList (children 1)
               Identifier id1
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier id2
      TableJoin (children 1)
       ExpressionList (children 1)
        Identifier id2
