Impala Public Jenkins has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/23117 )

Change subject: IMPALA-13285: Ignore COMMIT_TXN events on Apache Hive 3
......................................................................

IMPALA-13285: Ignore COMMIT_TXN events on Apache Hive 3

In Apache Hive 3, HMS doesn't provide the API to retrive WriteEvents
info of a given transaction. COMMIT_TXN event just contains a
transaction id so Impala can't process it.

This patch ignores COMMIT_TXN events when building on Apache Hive 3.
Some tests in MetastoreEventsProcessorTest and EventExecutorServiceTest
are skipped due to this.

Tests:
 - Manually tested on Apache Hive 3. Verified that EventProcessor still
   works after receiving COMMIT_TXN events.
 - Passed some tests in MetastoreEventsProcessorTest and
   EventExecutorServiceTest that previously failed due to EventProcessor
   going into ERROR state.

Change-Id: I863e39b3702028a14e83fed1fe912b441f2c28db
Reviewed-on: http://gerrit.cloudera.org:8080/23117
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
---
M fe/src/compat-apache-hive-3/java/org/apache/impala/compat/MetastoreShim.java
M fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java
M 
fe/src/test/java/org/apache/impala/catalog/events/EventExecutorServiceTest.java
M 
fe/src/test/java/org/apache/impala/catalog/events/MetastoreEventsProcessorTest.java
M fe/src/test/java/org/apache/impala/testutil/TestUtils.java
5 files changed, 45 insertions(+), 30 deletions(-)

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

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I863e39b3702028a14e83fed1fe912b441f2c28db
Gerrit-Change-Number: 23117
Gerrit-PatchSet: 6
Gerrit-Owner: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>

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