| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Bianca Stephani <bianca(dot)stephani(at)gmail(dot)com> |
| Cc: | "pgsql-novice(at)postgresql(dot)org" <pgsql-novice(at)postgresql(dot)org> |
| Subject: | Re: Update taking forever |
| Date: | 2015-06-15 12:17:26 |
| Message-ID: | CAKFQuwYxQpmjSz3edKZe7SqvH=BYGArDrSfH6xzg==5DhvwO3w@mail.gmail.com |
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| Lists: | pgsql-novice |
On Monday, June 15, 2015, Bianca Stephani <bianca(dot)stephani(at)gmail(dot)com> wrote:
> Hi everyone.
> I want to update the value of a column of 25 thousand rows and a sql
> update is taking forever (literally, more then one day). There's any other
> way so i can do that?
>
This would normally takes seconds (at most) if everything is working
properly, so yes. I would suspect your where clause is not using an index
to find those rows and there are a lot more than 25k rows on the table in
question. Show us schemas and explain output if you want a more definitive
answer.
Or you have locking issue...
David J.
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