Github user zellerh commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/577#discussion_r69835003
--- Diff: core/sql/parser/sqlparser.y ---
@@ -6579,6 +6581,9 @@ table_reference : table_name_and_hint
| rel_subquery_and_as_clause
{ $$ = $1; }
+ | with_clause_list
--- End diff --
The ANSI SQL standard defines the "with" clause as part of a
query_expression, so I would recommend doing the same here
(non_join_query_expression in our case). Also, it would be good to accept the
WITH RECURSIVE syntax and to give an error that this is not yet supported.
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