pgaref commented on a change in pull request #1152:
URL: https://github.com/apache/hive/pull/1152#discussion_r443479460
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/parse/TezCompiler.java
##########
@@ -1566,13 +1569,38 @@ private void
removeSemijoinsParallelToMapJoin(OptimizeTezProcContext procCtx)
List<ExprNodeDesc> keyDesc =
selectedMJOp.getConf().getKeys().get(posBigTable);
ExprNodeColumnDesc keyCol = (ExprNodeColumnDesc) keyDesc.get(0);
-
- tsProbeDecodeCtx = new TableScanOperator.ProbeDecodeContext(mjCacheKey,
mjSmallTablePos,
- keyCol.getColumn(), selectedMJOpRatio);
+ String realTSColName = getOriginalTSColName(selectedMJOp,
keyCol.getColumn());
+ if (realTSColName != null) {
+ tsProbeDecodeCtx = new
TableScanOperator.ProbeDecodeContext(mjCacheKey, mjSmallTablePos,
+ realTSColName, selectedMJOpRatio);
+ } else {
+ LOG.warn("ProbeDecode could not find TSColName for ColKey {} with MJ
Schema {} ", keyCol, selectedMJOp.getSchema());
+ }
}
return tsProbeDecodeCtx;
}
+ private static String getOriginalTSColName(MapJoinOperator mjOp, String
internalCoName) {
Review comment:
Utility method is now moved to operatorUtils
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
