Xianqing He has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/16905 )

Change subject: IMPALA-10406: Query with analytic functions doesn't need to 
materialize the predicates bounded to kudu
......................................................................


Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/16905/2/fe/src/main/java/org/apache/impala/analysis/SelectStmt.java
File fe/src/main/java/org/apache/impala/analysis/SelectStmt.java:

http://gerrit.cloudera.org:8080/#/c/16905/2/fe/src/main/java/org/apache/impala/analysis/SelectStmt.java@1130
PS2, Line 1130:       // The predicates that can be bounded to KuduScanNode 
don't need to materialize
> I think this is incorrect, only some conjuncts get pushed into Kudu (see ex
I think it is not necessary to materialize the predicates pushed down to 
KuduScanNode here. Whether these predicates need to be materialized handled 
during the KuduScanNode#init. So if the prediacates can evaluate in kudu, it 
will not to be materilized.



--
To view, visit http://gerrit.cloudera.org:8080/16905
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iba8371eff6ae1bcffd51b44843175c52f2127e46
Gerrit-Change-Number: 16905
Gerrit-PatchSet: 2
Gerrit-Owner: Xianqing He <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
Gerrit-Reviewer: Xianqing He <[email protected]>
Gerrit-Comment-Date: Sun, 27 Dec 2020 05:03:14 +0000
Gerrit-HasComments: Yes

Reply via email to