Github user sandhyasun commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1022#discussion_r108307111
--- Diff: core/sql/optimizer/BindItemExpr.cpp ---
@@ -6173,7 +6173,35 @@ ItemExpr *Assign::bindNode(BindWA *bindWA)
} // QSTUFF
} // isUserSpecified
+ NABuiltInTypeEnum sourceType =
child(1)->castToItemExpr()->getValueId().getType().getTypeQualifier() ;
+ NABuiltInTypeEnum targetType =
child(0)->castToItemExpr()->getValueId().getType().getTypeQualifier() ;
+ if ((sourceType == NA_CHARACTER_TYPE) && (targetType == NA_LOB_TYPE))
+ {
+ ValueId vid1 = child(1)->castToItemExpr()->getValueId();
+ // Add a stringToLob node
+ ItemExpr *newChild = new (bindWA->wHeap()) LOBinsert(
vid1.getItemExpr(), NULL, LOBoper::STRING_, FALSE);
+ newChild->bindNode(bindWA);
+ if (bindWA->errStatus())
+ return boundExpr;
+ setChild(1, newChild);
+ }
+ /* if ((sourceType == NA_UNKNOWN_TYPE) && (targetType = NA_LOB_TYPE))
--- End diff --
No I will remove the commented out code. I had initilaly tried to do this
cast in the binder but it was not the right place. The type coercion needed to
be done in the ::doSynthType() method.
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