Github user zellerh commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/842#discussion_r89219091
--- Diff: core/sql/optimizer/ItemExpr.cpp ---
@@ -7922,10 +7924,46 @@ ItemExpr * InverseOrder::removeInverseOrder()
}
// -----------------------------------------------------------------------
+// member functions for PatternMatchingFunction.
+// -----------------------------------------------------------------------
+PatternMatchingFunction::~PatternMatchingFunction() {}
+
+// -----------------------------------------------------------------------
// member functions for Like
// -----------------------------------------------------------------------
Like::~Like() {}
+Regexp::~Regexp() {}
+
+
+ItemExpr * Regexp::copyTopNode(ItemExpr *derivedNode, CollHeap* outHeap)
+{
+ ItemExpr *result = NULL;
+
+ if (derivedNode == NULL)
+ {
+ switch (getArity())
+ {
+ case 2:
+ result = new (outHeap) Regexp(child(0), child(1),
--- End diff --
The copyTopNode() method is not supposed to copy any children. I think the
children should be initialized with NULL here.
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