Implement DROP {PARTITION, INDEX, TEMPORARY FUNCTION} IF EXISTS
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Key: HIVE-1858
URL: https://issues.apache.org/jira/browse/HIVE-1858
Project: Hive
Issue Type: New Feature
Affects Versions: 0.7.0
Reporter: Marcel Kornacker
Assignee: Marcel Kornacker
Extend HIVE-1856 to support IF EXISTS for {DROP TABLE, VIEW}:
- signal an error if the to-be-dropped entity doesn't exist and IF EXISTS isn't
specified
- this behavior can be disabled by setting hive.exec.drop.ignorenonexistent to
true
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