Re: SQL plan in functions - Mailing list pgsql-general

From A. Kretschmer
Subject Re: SQL plan in functions
Date
Msg-id 20081218092844.GA8458@a-kretschmer.de
Whole thread Raw
In response to SQL plan in functions  (Julius Tuskenis <julius.tuskenis@gmail.com>)
Responses Re: SQL plan in functions  (Julius Tuskenis <julius.tuskenis@gmail.com>)
List pgsql-general
In response to Julius Tuskenis :
> Hello, list.
>
> I have a function witch returns record set. What troubles me is that
> depending on parameters I pass to this function  the execution time
> varies greatly. On the other hand if I execute the query (not the
> function) with pgAdmin  - it gives results quickly.
> In previous post You helped me realize, that the problem was because the
> function has only one plan of SQL inside no matter the parameters
> values. Is there a way to order postgres to check the plan each time the
> function is called?

Sure, use EXECUTE 'your sql' inside the function to force the planner to
generate a new plan depending on the current parameters.


Regards, Andreas
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Andreas Kretschmer
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