Re: How to get FK to use new index without restarting the database

Hello,
> Is there a way force the db to re-evaluate its execution plan for a FK
> without bouncing the DB?
>
> PostgreSQL 8.1.17
>
> In our latest release our developers have implemented some new foreign
> keys but forgot to create indexes on these keys.
>
> The problem surfaced at one of our client installs where a maintenance
> DELETE query was running for over 24 hrs. We have since then identified
> the missing indexes and have sent the client a script to create them,
> but in our testing we could not been able to get postgres to use the new

> index for the FK cascade delete without bouncing the database.
Did you try analyze? May be it will help.
http://www.postgresql.org/docs/9.0/static/sql-analyze.html

Regards,
Jayadevan

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