Sai Hemanth Gantasala has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21019 )

Change subject: IMPALA-12487: Skip reloading file metadata for ALTER_TABLE 
events with trivial changes in StorageDescriptor
......................................................................


Patch Set 3:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/21019/2/fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java
File fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java:

http://gerrit.cloudera.org:8080/#/c/21019/2/fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java@1890
PS2, Line 1890: AsSubDirectories(),
> How can we make sure 'SetStoredAsSubDirectories' is the only change? It see
At least from end-to-end we cannot change schema and this property in a single 
statement. so we can rule out the end-user use case.
There is a possibility that the client can do this. I addressed this in the 
latest patch set. Please let me know if you are ok with that.


http://gerrit.cloudera.org:8080/#/c/21019/2/fe/src/test/java/org/apache/impala/catalog/events/MetastoreEventsProcessorTest.java
File 
fe/src/test/java/org/apache/impala/catalog/events/MetastoreEventsProcessorTest.java:

http://gerrit.cloudera.org:8080/#/c/21019/2/fe/src/test/java/org/apache/impala/catalog/events/MetastoreEventsProcessorTest.java@3104
PS2, Line 3104:
> From unset to false is also an important case we want to fix. Can we add it
Done



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6fd9a9504bf93d2529dc7accbf436ad83e51d8ac
Gerrit-Change-Number: 21019
Gerrit-PatchSet: 3
Gerrit-Owner: Sai Hemanth Gantasala <saihema...@cloudera.com>
Gerrit-Reviewer: Csaba Ringhofer <csringho...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Quanlong Huang <huangquanl...@gmail.com>
Gerrit-Reviewer: Sai Hemanth Gantasala <saihema...@cloudera.com>
Gerrit-Comment-Date: Fri, 08 Mar 2024 22:36:16 +0000
Gerrit-HasComments: Yes

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