Nandor Kollar has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/24712 )

Change subject: IMPALA-13314: Cache HadoopCatalog instances and use holder 
pattern for singletons
......................................................................


Patch Set 2:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/24712/1/fe/src/main/java/org/apache/impala/util/IcebergUtil.java
File fe/src/main/java/org/apache/impala/util/IcebergUtil.java:

http://gerrit.cloudera.org:8080/#/c/24712/1/fe/src/main/java/org/apache/impala/util/IcebergUtil.java@187
PS1, Line 187: };
> The default case should remain.
As we cover every possible case in the enum at the moment, the default is 
redundant. If we ever introduce a new catalog type, then this needs to be 
modified, but it will cause a compilation error (as switch expression needs to 
be exhaustive) if it is forgotten. The problem won't remain unnoticed.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: Ibb3a6c8e4f1d2a9e7c5b0f8d3e6a4c2b1d0e9f7a
Gerrit-Change-Number: 24712
Gerrit-PatchSet: 2
Gerrit-Owner: Nandor Kollar <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Nandor Kollar <[email protected]>
Gerrit-Reviewer: Peter Rozsa <[email protected]>
Gerrit-Comment-Date: Wed, 19 Aug 2026 13:23:10 +0000
Gerrit-HasComments: Yes

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