[HBASE-13764] Backport HBASE-7782 (HBaseTestingUtility.truncateTable() not acting like CLI) to branch-1.x - ASF JIRA

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Hadoop Flags:

Incompatible change, Reviewed
Release Note:

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HBaseTestingUtility now uses the truncate API added in ~~HBASE-8332~~ so that calls to HBTU.truncateTable will behave like the shell command: effectively dropping the table and recreating a new one with the same split points.

Previously, HBTU.truncateTable instead issued deletes for all the data already in the table. If you wish to maintain the same behavior, you should use the newly added HBTU.deleteTableData method.

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HBaseTestingUtility now uses the truncate API added in HBASE-8332 so that calls to HBTU.truncateTable will behave like the shell command: effectively dropping the table and recreating a new one with the same split points. Previously, HBTU.truncateTable instead issued deletes for all the data already in the table. If you wish to maintain the same behavior, you should use the newly added HBTU.deleteTableData method.

Backport this test infrastructure improvement, which makes truncateTable() in HBaseTestingUtility behave in the same way it's CLI counterpart.