ddl: change drop partition and truncate partition's job args to support multi partition id array (#18419) #18930
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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LGTM |
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@lance6716,Thanks for your review. However, LGTM is restricted to Reviewers or higher roles.See the corresponding SIG page for more information. Related SIGs: ddl(slack). |
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Aug 3, 2020
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cherry-pick #18419 to release-4.0
Signed-off-by: AilinKid 314806019@qq.com
What problem does this PR solve?
it is prepared for cancel
add multi partition actionwhich is in mid stateProblem Summary: change drop partition and truncate partition's job args to support multi partition id array
What is changed and how it works?
What's Changed:
1: change drop partition and truncate partition's job args to multi id array
2: support ddl worker to handle these two action and add ids to delete range table.
Check List
Tests
Side effects
Release note
1: rolling upgrade the cluster during the drop partition DDL operation
2: degrade to old tidb if the model data has been written and the DDL operation is not finished