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From "Impala Public Jenkins (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-5259: Add REFRESH FUNCTIONS <db> statement
Date Thu, 25 May 2017 03:30:04 GMT
Impala Public Jenkins has submitted this change and it was merged.

Change subject: IMPALA-5259: Add REFRESH FUNCTIONS <db> statement
......................................................................


IMPALA-5259: Add REFRESH FUNCTIONS <db> statement

Before this patch, Impala relied on INVALIDATE METADATA to load
externally added UDFs from HMS. The problem with this approach is that
INVALIDATE METADATA affects all databases and tables in the entire
cluster.

In this patch, we add a REFRESH FUNCTIONS <db> statement that reloads
the functions of a database from HMS. We return a list of updated and
removed db functions to the issuing Impalad in order to update its
local catalog cache.

Testing:
- Ran a private build which passed.

Change-Id: I3625c88bb51cca833f3293c224d3f0feb00e6e0b
Reviewed-on: http://gerrit.cloudera.org:8080/6878
Reviewed-by: Taras Bobrovytsky <tbobrovytsky@cloudera.com>
Tested-by: Impala Public Jenkins
---
M common/thrift/CatalogService.thrift
M fe/src/main/cup/sql-parser.cup
M fe/src/main/java/org/apache/impala/analysis/ResetMetadataStmt.java
M fe/src/main/java/org/apache/impala/catalog/CatalogServiceCatalog.java
M fe/src/main/java/org/apache/impala/catalog/Db.java
M fe/src/main/java/org/apache/impala/catalog/Function.java
M fe/src/main/java/org/apache/impala/catalog/ImpaladCatalog.java
M fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java
M fe/src/main/java/org/apache/impala/service/Frontend.java
M fe/src/test/java/org/apache/impala/analysis/ParserTest.java
M fe/src/test/java/org/apache/impala/analysis/ToSqlTest.java
M tests/custom_cluster/test_permanent_udfs.py
12 files changed, 323 insertions(+), 63 deletions(-)

Approvals:
  Impala Public Jenkins: Verified
  Taras Bobrovytsky: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: I3625c88bb51cca833f3293c224d3f0feb00e6e0b
Gerrit-PatchSet: 12
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Taras Bobrovytsky <tbobrovytsky@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bharathv@cloudera.com>
Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogiannis@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins
Gerrit-Reviewer: Taras Bobrovytsky <tbobrovytsky@cloudera.com>

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