Do not set UNIQUE_CHECKS=0 for MariaDB #988
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
UNIQUE_CHECKS=0sets MariaDB into a special mode that adds table levellocks for InnoDB. This accelerates single-threaded insert performance,
but makes multi-threaded into one table much slower.
This also adds a patch to fix the MariaDB type and version check.
Fixes #987