Qifan Chen has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/15403 )

Change subject: IMPALA-6505: Min-Max predicate push down in ORC scanner
......................................................................


Patch Set 5:

(3 comments)

Looks great!

It will also be great if we can add a test to show push-down predicates in the 
ORC scan node in a query plan.

http://gerrit.cloudera.org:8080/#/c/15403/2/be/src/exec/hdfs-orc-scanner.h
File be/src/exec/hdfs-orc-scanner.h:

http://gerrit.cloudera.org:8080/#/c/15403/2/be/src/exec/hdfs-orc-scanner.h@180
PS2, Line 180: o whe
> We have such names in other places meaning MemPool for all permanent alloca
Done


http://gerrit.cloudera.org:8080/#/c/15403/2/be/src/exec/hdfs-orc-scanner.h@316
PS2, Line 316: r* slot);
> We need to use ScalarExprEvaluator::GetValue() which is unfortunately not d
Done


http://gerrit.cloudera.org:8080/#/c/15403/5/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
File fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java:

http://gerrit.cloudera.org:8080/#/c/15403/5/fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java@1842
PS5, Line 1842: if (hasParquet(fileFormats_) && 
fileFormats_.contains(HdfsFileFormat.ORC)
I thought Impala does not support a table with mixed parquet/orc formats.



--
To view, visit http://gerrit.cloudera.org:8080/15403
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I136622413db21e0941d238ab6aeea901a6464845
Gerrit-Change-Number: 15403
Gerrit-PatchSet: 5
Gerrit-Owner: Norbert Luksa <[email protected]>
Gerrit-Reviewer: Anonymous Coward (520)
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Norbert Luksa <[email protected]>
Gerrit-Reviewer: Qifan Chen <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Wed, 25 Aug 2021 16:34:32 +0000
Gerrit-HasComments: Yes

Reply via email to