remove unused bucket logic in hash table #16103
Merged
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What type of PR is this?
Which issue(s) this PR fixes:
issue #15967
What this PR does / why we need it:
最早为了解决某些情况下hash表太大的问题,用了给hash表分桶的写法。
后来实现了shuffle以后,就不再需要这些分桶的逻辑了,移除这些冗余代码,为之后的重构减少负担