Quanlong Huang has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/22817


Change subject: IMPALA-13993: waitForHmsEvent should check table events under 
missing dbs
......................................................................

IMPALA-13993: waitForHmsEvent should check table events under missing dbs

When a db is missing in the catalog cache, waitForHmsEvent request
currently just check if there are pending database events on it,
assuming processing the CREATE_DATABASE event will add the db with
the table list. However, that's wrong since processing CREATE_DATABASE
event just adds the db with an empty table list. We should still wait
for pending events on underlying tables.

Tests:
 - Added e2e test which consistenly fails when running concurrently with
   other tests in TestEventSyncWaiting without the fix.

Change-Id: I3fe74fcf0bf4dbac4a3584f6603279c0a2730b0c
---
M 
fe/src/main/java/org/apache/impala/catalog/events/MetastoreEventsProcessor.java
M tests/metadata/test_event_processing.py
2 files changed, 16 insertions(+), 7 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/17/22817/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I3fe74fcf0bf4dbac4a3584f6603279c0a2730b0c
Gerrit-Change-Number: 22817
Gerrit-PatchSet: 1
Gerrit-Owner: Quanlong Huang <huangquanl...@gmail.com>

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