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Ran 09 Jan 2019 10:07AM UTC

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Committed 09 Jan 2019 10:07AM UTC coverage: 74.245% (-4.9%) from 79.126%

Job # 1446.1

Build Type

push

jenkins

Committed by kumarvishal09

Commit Message

[CARBONDATA-3235] Fix Rename-Fail & Datamap-creation-Fail

1. Alter Table Rename Table Fail

Problem: When tabe rename is success in hive, for failed in carbon data store, it would throw exception, but would not go back and undo rename in hive.

Solution: A flag to keep check if hive rename has already executed, and of the code breaks after hive rename is done, go back and undo the hive rename.

2. Create-Preagregate-Datamap Fail

Problem: When (preaggregate) datamap schema is written, but table updation is failed call CarbonDropDataMapCommand.processMetadata()
call dropDataMapFromSystemFolder() -> this is supposed to delete the folder on disk, but doesnt as the datamap is not yet updated in table,
and throws NoSuchDataMapException

Solution: Call CarbonDropTableCommand.run() instead of CarbonDropTableCommand.processDatamap().
as CarbonDropTableCommand.processData() deletes actual folders from disk.

This closes #2996

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