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Re: Small optimization with expanding dynamic hash table - Mailing list pgsql-hackers

From cca5507
Subject Re: Small optimization with expanding dynamic hash table
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Msg-id tencent_371D9ECFC197DD7DA86AE1526D59CAB8CC06@qq.com
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In response to Re: Small optimization with expanding dynamic hash table  ("cca5507" <cca5507@qq.com>)
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Hi,

The v2 patch maybe more clear:

We can calc bucket just by hashvalue & high_mask when expanding table because the if condition in calc_bucket() must be false.

--
Regards,
ChangAo Chen

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