| 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: | [email protected] |
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| Lists: | pgsql-hackers |
"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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