Impala Public Jenkins has submitted this change and it was merged.

Change subject: IMPALA-4795: Allow fetching function obj from catalog using 
signature
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IMPALA-4795: Allow fetching function obj from catalog using signature

Fixed a bug where the catalog throws a NullPointerException if trying
to fetch a function object using function signature. This exception
prevented the code paths in CatalogOpExecutor::HandleDropFunction and
ImpalaServer::CatalogUpdateCallback to be exercised which prevented
removal of a recreated function object necessary for maintaining
metadata consistency.

Change-Id: I2cfad0213a79d39b77ad9aff701a93f93be4bf7f
Reviewed-on: http://gerrit.cloudera.org:8080/7479
Reviewed-by: Matthew Jacobs <[email protected]>
Tested-by: Impala Public Jenkins
---
M fe/src/main/java/org/apache/impala/catalog/Catalog.java
M fe/src/main/java/org/apache/impala/catalog/Function.java
M tests/common/impala_service.py
M tests/query_test/test_udfs.py
M tests/webserver/test_web_pages.py
5 files changed, 48 insertions(+), 17 deletions(-)

Approvals:
  Impala Public Jenkins: Verified
  Matthew Jacobs: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: I2cfad0213a79d39b77ad9aff701a93f93be4bf7f
Gerrit-PatchSet: 5
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Bharath Vissapragada <[email protected]>
Gerrit-Reviewer: Bikramjeet Vig <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Matthew Jacobs <[email protected]>

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