Github user traflm commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/577#discussion_r71058095
--- Diff: core/sql/parser/sqlparser.y ---
@@ -13333,14 +13396,41 @@ query_specification : select_token set_quantifier
query_spec_body
ColReference(new (PARSERHEAP())
ColRefName(TRUE, PARSERHEAP()))
)
);
- assert($3->getOperatorType() == REL_ROOT);
+ assert($3->getOperatorType() == REL_ROOT);
+ RelRoot *root1 = (RelRoot *) $$;
+ RelRoot *root2 = (RelRoot *) $3;
+ root1->assignmentStTree() = root2->assignmentStTree();
+ root2->assignmentStTree() = NULL;
+ }
+ else
+ $$ = $3;
+
+ if (CmpCommon::getDefault(MVQR_LOG_QUERY_DESCRIPTORS) == DF_DUMP ||
+ CmpCommon::getDefault(MVQR_LOG_QUERY_DESCRIPTORS) == DF_DUMP_MV)
+ ((RelRoot*)$$)->setAnalyzeOnly();
+
+ }
+
+/* type relx */
+query_specification :with_clause select_token set_quantifier
query_spec_body
+ {
+ if ($3) {
+ $$ = new (PARSERHEAP())
+ RelRoot(new (PARSERHEAP())
+ GroupByAgg($4
--- End diff --
if ($3) means there is a set_quantifier token, which is DISTINCT for
example, so need a GroupByAgg node here.
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