Michael Smith has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21857 )

Change subject: IMPALA-13181: Disable tuple caching for locations with limits
......................................................................


Patch Set 1:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/21857/1//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/21857/1//COMMIT_MSG@12
PS1, Line 12: refined the rule to allow caching in locations that are
Is it non-trivial to determine if the input is sorted?


http://gerrit.cloudera.org:8080/#/c/21857/1/fe/src/test/java/org/apache/impala/planner/TupleCacheTest.java
File fe/src/test/java/org/apache/impala/planner/TupleCacheTest.java:

http://gerrit.cloudera.org:8080/#/c/21857/1/fe/src/test/java/org/apache/impala/planner/TupleCacheTest.java@93
PS1, Line 93:     verifyCacheEligible(
Could this be implemented as

  verifyIdenticalCacheKeys(
      "select a.id from functional.alltypes a, functional.alltypes b"
      "select a.id from functional.alltypes a, functional.alltypes b limit 10")

Seems like a stronger test.


http://gerrit.cloudera.org:8080/#/c/21857/1/fe/src/test/java/org/apache/impala/planner/TupleCacheTest.java@95
PS1, Line 95:     // A limit on the probe side doesn't impact eligibility on 
the build side.
Should this be part of testCacheKeyGenerality?



--
To view, visit http://gerrit.cloudera.org:8080/21857
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Iedcb73082325f1dfe397fbda07c2b7b4817efa5e
Gerrit-Change-Number: 21857
Gerrit-PatchSet: 1
Gerrit-Owner: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Comment-Date: Thu, 26 Sep 2024 21:36:19 +0000
Gerrit-HasComments: Yes

Reply via email to