| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, PostgreSQL Patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: costly foreign key ri checks (4) |
| Date: | 2004-03-13 23:21:32 |
| Message-ID: | 200403132321.i2DNLWq21361@candle.pha.pa.us |
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| Lists: | pgsql-patches |
Tom Lane wrote:
>
> * I changed the message wording to conform to the message style
> guidelines. I also made it complain about "costly sequential scans"
> instead of "costly cross-type conversion", since ISTM that's what's
> really at issue here. I'm not completely wedded to that wording
> though, if anyone feels the previous version was better.
So the issue wasn't that the conversion was costly, but that an index
couldn't be used to look up the primary key?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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