Re: Speeding up DELETEs on table with FKs ...

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Speeding up DELETEs on table with FKs ...
Date: 2004-10-11 05:26:57
Message-ID: 25361.1097472417@sss.pgh.pa.us
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"Marc G. Fournier" <scrappy(at)postgresql(dot)org> writes:
> 'k, now that I've seen the error of my ways *groan* I've gone back
> through, and checked for what is referencing that table, and there is only
> one place that is, and it does have an INDEX:

>> explain analyze select * from table where raw_id = 20722;
> QUERY PLAN
> -----------------------------------------------------------------------------------------------------------------------------------
> Index Scan using ind_raw_id on table (cost=0.00..3.09 rows=1 width=122) (actual time=0.33..0.33 rows=0 loops=1)
> Index Cond: (raw_id = 20722::numeric)
> Total runtime: 0.37 msec

"numeric", hm? Is the referenced column also of type numeric?

regards, tom lane

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