Github user sandhyasun commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/889#discussion_r94463262
--- Diff: core/sql/optimizer/SynthType.cpp ---
@@ -6763,19 +6772,28 @@ const NAType *LOBupdate::synthesizeType()
{
// Return blob type
- ValueId vid1 = child(0)->getValueId();
- const NAType &typ1 = (NAType&)vid1.getType();
+ ValueId vid1,vid2 ;
+ const NAType *typ1,*typ2 = NULL;
- ValueId vid2 = child(1)->getValueId();
- const NAType &typ2 = (NAType&)vid2.getType();
+ if(child(0))
+ {
+ vid1= child(0)->getValueId();
+ typ1 = &vid1.getType();
+ }
+
+ if(child(1))
+ {
+ vid2 = child(1)->getValueId();
+ typ2 = &vid2.getType();
+ }
if ((obj_ == STRING_) ||
(obj_ == FILE_) ||
(obj_ == EXTERNAL_))
{
- if (typ1.getTypeQualifier() != NA_CHARACTER_TYPE)
+ if (typ1->getTypeQualifier() != NA_CHARACTER_TYPE)
--- End diff --
Added a check for that.
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