improve lock meta table for DML #20763
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ouyuanning
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zhangxu19830126
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Dec 16, 2024
badboynt1
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improve lock meta table for DML 1、复用上meta锁的vector 2、去掉上锁时候每次都获取relation的逻辑，提前拿table id 3、当要上多个表的meta锁的时候，合并到一个vector Approved by: @zhangxu19830126, @badboynt1
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improve lock meta table for DML (#20763) Approved by: @badboynt1, @sukki37
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What type of PR is this?
Which issue(s) this PR fixes:
issue #20622 #20721
What this PR does / why we need it:
improve lock meta table for DML
1、复用上meta锁的vector
2、去掉上锁时候每次都获取relation的逻辑，提前拿table id
3、当要上多个表的meta锁的时候，合并到一个vector