Tim Armstrong has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/15065


Change subject: IMPALA-9302: disable ineffective filters for mt_dop > 0
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IMPALA-9302: disable ineffective filters for mt_dop > 0

The optimisation of disabling ineffective row-level
runtime filters was not implemented in the MT scan
code paths, because the ProcessSplit() functions,
where it was implemented, are not used for mt_dop > 0.

This change adds it to HdfsScanner::GetNext(), which
is used for mt_dop > 0 but not mt_dop = 0.

Testing:
Run existing runtime row filters test with mt_dop.
This reproduced the issue before I fixed it.

Change-Id: I8a55a9d4ac9e0d93cb3675dd2d5da086cb7d941d
---
M be/src/exec/hdfs-scanner.h
M tests/custom_cluster/test_mt_dop.py
2 files changed, 13 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/65/15065/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I8a55a9d4ac9e0d93cb3675dd2d5da086cb7d941d
Gerrit-Change-Number: 15065
Gerrit-PatchSet: 1
Gerrit-Owner: Tim Armstrong <[email protected]>

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