Github user zellerh commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/826#discussion_r87306002
--- Diff: core/sql/optimizer/BindRelExpr.cpp ---
@@ -10298,10 +10331,17 @@ RelExpr *Insert::bindNode(BindWA *bindWA)
}
if (isUpsertThatNeedsMerge(isAlignedRowFormat, omittedDefaultCols,
omittedCurrentDefaultClassCols)) {
- boundExpr = xformUpsertToMerge(bindWA);
- return boundExpr;
+ if (CmpCommon::getDefault(TRAF_UPSERT_TO_EFF_TREE) == DF_OFF)
+ {
+ boundExpr = xformUpsertToMerge(bindWA);
+ return boundExpr;
+ }
+ else if( CmpCommon::getDefault(TRAF_UPSERT_TO_EFF_TREE) == DF_ON)
+ boundExpr = xformUpsertToEfficientTree(bindWA);
+
+
}
- else if (NOT (isMerge() || noIMneeded()))
+ if (NOT (isMerge() || noIMneeded()))
--- End diff --
another indentation...
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