Sai Hemanth Gantasala has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21971 )

Change subject: IMPALA-13403: Refactor the checks of skip reloading file 
metadata for ALTER_TABLE events
......................................................................


Patch Set 4:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/21971/3/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/21971/3/fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java@1953
PS3, Line 1953: ("Skipping reloa
> I just see a new log is added. What do you think about the first part - do
I don't see any risks, so I'm removing it.


http://gerrit.cloudera.org:8080/#/c/21971/4/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/21971/4/fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java@1937
PS4, Line 1937:       if (!Objects.equals(beforeTable.getSd(), 
afterTable.getSd())) {
              :         if (isTrivialSdPropsChanged(beforeTable.getSd(), 
afterTable.getSd())) {
              :           skipFileMetadata = true;
              :         } else {
              :           return false;
              :         }
              :       }
              :       if (isFieldSchemaChanged(beforeTable, afterTable) ||
              :           isTableOwnerChanged(beforeTable.getOwner(), 
afterTable.getOwner())) {
              :         skipFileMetadata = true;
              :       }
              :       if (!isCustomTblPropsChanged(whitelistedTblProperties, 
beforeTable, afterTable)) {
              :         skipFileMetadata = true;
              :       } else {
              :         return false;
              :       }
              :       infoLog("Skipping reloading of file metadata for table 
{}.{} since SD and " +
              :           "whitelistedTblProperties has not changed.", dbName_, 
tblName_);
              :       return skipFileMetadata;
> Field schema change seem to be already considered as trivial change with is
In the latest patchset, I'll only consider SD and custom table props and ignore 
others.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ia969dd32385ac5a1a9a65890a5ccc8cd257f4b97
Gerrit-Change-Number: 21971
Gerrit-PatchSet: 4
Gerrit-Owner: Sai Hemanth Gantasala <[email protected]>
Gerrit-Reviewer: Anonymous Coward <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Sai Hemanth Gantasala <[email protected]>
Gerrit-Comment-Date: Thu, 14 Nov 2024 23:10:01 +0000
Gerrit-HasComments: Yes

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