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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2022/05/23 11:19:19 UTC
[GitHub] [hive] pvary opened a new pull request, #3313: HIVE-26258: Provide an option for strict locking of external tables
pvary opened a new pull request, #3313:
URL: https://github.com/apache/hive/pull/3313
### What changes were proposed in this pull request?
Adds `hive.txn.strict.ext.locking.mode`: In strict mode external resources use standard R/W lock semantics,
e.g. INSERT will acquire exclusive lock, SELECT will acquire shared lock based on hive.txn.nonacid.read.locks.
In nonstrict mode no locks are acquired for external resources.
### Why are the changes needed?
For backward compatibility
### Does this PR introduce _any_ user-facing change?
Adding a new feature, when turned off, no change is expected. The feature is turned off by default.
### How was this patch tested?
Added unit tests.
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[GitHub] [hive] pvary merged pull request #3313: HIVE-26258: Provide an option for enable locking of external tables
Posted by GitBox <gi...@apache.org>.
pvary merged PR #3313:
URL: https://github.com/apache/hive/pull/3313
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