Attila Jeges has posted comments on this change.

Change subject: IMPALA-1670,IMPALA-4141: Support multiple partitions in ALTER 
TABLE ADD PARTITION
......................................................................


Patch Set 22:

(10 comments)

http://gerrit.cloudera.org:8080/#/c/4144/22/fe/src/main/java/org/apache/impala/analysis/AlterTableAddPartitionStmt.java
File 
fe/src/main/java/org/apache/impala/analysis/AlterTableAddPartitionStmt.java:

Line 92:       throw new AnalysisException(
> Add a test for this in AnalyzeDDLTest
Done


http://gerrit.cloudera.org:8080/#/c/4144/22/fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java
File fe/src/main/java/org/apache/impala/service/CatalogOpExecutor.java:

PS22, Line 221: Used when persisting the results of COMPUTE STATS statements.
> Update the comment (now it is used for the add partition statement)
Done


Line 1859:    * 2. If a partition exists in HMS but not in catalog cache, 
reload partition from HMS.
> mention that caching directives are only applied to new partitions that wer
Done


Line 1861:   private Table alterTableAddPartitions(Table tbl,
> Since there are some interesting details with existing partitions (in cache
Filed IMPALA-4844


http://gerrit.cloudera.org:8080/#/c/4144/22/testdata/workloads/functional-query/queries/QueryTest/alter-table.test
File testdata/workloads/functional-query/queries/QueryTest/alter-table.test:

Line 1023: # IMPALA-1670: Cannot add duplicate partition specs.
> remove, this is covered by an analyzer test
Done


Line 1033: # IMPALA-1670: Cannot add duplicate partition specs, not even if 'IF 
NOT EXISTS' is used.
> remove, this is covered by an analyzer test
Done


Line 1056: # IMPALA-1670: If 'IF NOT EXISTS' is not used, ALTER TABLE ADD 
PARTITION cannot add a
> This should be covered by an analyzer test instead
Done


Line 1066: # IMPALA-1670: If adding one partition fails, the entire statement 
fails.
> Not really accurate. There are also modes of partial failure/success. If an
Removed this section. The test case between L1056-1063 was moved to 
AnalyzeDDLTest.


Line 1150: # IMPALA-1670: After REFRESH Impala can access previously added 
partitions and partition
> Seems a little excessive to me, not sure if we need this test.
I agree, we don't need to test the same scenario both with INVALIDATE METADATA 
and REFRESH. Removed this section.


http://gerrit.cloudera.org:8080/#/c/4144/22/testdata/workloads/functional-query/queries/QueryTest/grant_revoke.test
File testdata/workloads/functional-query/queries/QueryTest/grant_revoke.test:

Line 242: # IMPALA-1670: Revoke privileges, so that user would not have 
privileges to run ALTER
> I agree. Not all of them are needed. I'd like to keep the ones where we gra
Done


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Gerrit-MessageType: comment
Gerrit-Change-Id: Iddbc951f2931f488f7048c9780260f6b49100750
Gerrit-PatchSet: 22
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Attila Jeges <[email protected]>
Gerrit-Reviewer: Alex Behm <[email protected]>
Gerrit-Reviewer: Attila Jeges <[email protected]>
Gerrit-Reviewer: Bharath Vissapragada <[email protected]>
Gerrit-Reviewer: Dimitris Tsirogiannis <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-HasComments: Yes

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