Home > mailing lists

Re: [PATCH] Add pg_lfind8_nonzero() - Mailing list pgsql-hackers

From	cca5507
Subject	Re: [PATCH] Add pg_lfind8_nonzero()
Date	December 18 05:29:00
Msg-id	tencent_45A410C9A8E2351EE4D95586D6141ED7FA0A@qq.com Whole thread Raw
In response to	Re: [PATCH] Add pg_lfind8_nonzero() (Peter Eisentraut <peter@eisentraut.org>)
List	pgsql-hackers

Tree view

Hi,

> Maybe you could try popcount for this?
> 
>      hasnull = (pg_popcount((char *) isnull, numberOfAttributes) > 0);

It seems that pg_popcount() cannot early return when we find a nonzero value, so I don't
think it's a good choice for this case.

--
Regards,
ChangAo Chen

pgsql-hackers by date:

From: Chao Li
Date: 18 December, 05:25:45
Subject: Re: Report bytes and transactions actually sent downtream

From: Tom Lane
Date: 18 December, 06:26:38
Subject: Re: Fixing the btree_gist inet mess

Re: [PATCH] Add pg_lfind8_nonzero() - Mailing list pgsql-hackers

Previous

Next