| From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | "Christian Paul B(dot) Cosinas" <cpc(at)cybees(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Deleting Records |
| Date: | 2005-10-20 08:57:31 |
| Message-ID: | 43575BFB.5050800@familyhealth.com.au |
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| Lists: | pgsql-performance |
> What could possibly I do so that I can make this fast?
>
> Here is the code inside my function:
>
> FOR temp_rec IN SELECT * FROM item_qc_doer LOOP
> DELETE FROM qc_session WHERE item_id = temp_rec.item_id;
> DELETE FROM item_qc_doer WHERE item_id = temp_rec.item_id;
> END LOOP;
>
> Item_qc_oder table contains 22,000 records.
I'd check to see if i have foreign keys on those tables and if the
columns that refer to them are properly indexed. (For cascade delete or
even just checking restrict)
Chris
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