Re: Deleting Records - Mailing list pgsql-performance

From Christopher Kings-Lynne
Subject Re: Deleting Records
Date
Msg-id 43575BFB.5050800@familyhealth.com.au
Whole thread Raw
In response to Deleting Records  ("Christian Paul B. Cosinas" <cpc@cybees.com>)
List 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


pgsql-performance by date:

Previous
From: Nörder-Tuitje, Marcus
Date:
Subject: Re: Deleting Records
Next
From: Matteo Beccati
Date:
Subject: Re: Deleting Records