Extend WriteEntity with PreExecWriteEntity and PostExecWritenEntity
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Key: HIVE-1313
URL: https://issues.apache.org/jira/browse/HIVE-1313
Project: Hadoop Hive
Issue Type: New Feature
Reporter: Ning Zhang
Assignee: Ning Zhang
WriteEntity is used for pre and post-execution hooks. Currently when a
WriteEntity is created, it will be added to both pre and post execution hooks.
In some situations (e.g., dynamic partitioning), a WriteEntity should only be
added to pre execution hook (e.g., the whole table) and another should be only
added to post execution hook (e.g., the newly created dynamic partitions). We
should extend WritenEntity to PreExecWriteEntity and PostExecWriteEntity for
this purpose.
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