Re: Dynamic queries in stored procedure - Mailing list pgsql-performance

From Andrew Dunstan
Subject Re: Dynamic queries in stored procedure
Date
Msg-id 51D6D7A2.3030206@dunslane.net
Whole thread Raw
In response to Dynamic queries in stored procedure  (Greg Jaskiewicz <gryzman@gmail.com>)
Responses Re: Dynamic queries in stored procedure
List pgsql-performance
On 07/05/2013 09:57 AM, Greg Jaskiewicz wrote:
> Hey,
>
> We have a search method that depending on search params will join 3-5 tables, craft the joins and where section. Only
problemis, this is done in rather horrible java code. So using pgtap for tests is not feasible. 
> I want to move the database complexity back to database, almost writing the query construction in the plpgsql or
pythonas stores procedure, any suggestions ? 
>
> Unfortunately PostgreSQL won't eliminate unnecessary joins from a view, so I can't just create one view and simple
codeadding where's, order by, etc. 
>
> No, I don't want to use orm.
>

It's a matter of taste. Pretty much every PL has facilities for
constructing and running dynamic sql. PLPgsql ,PLPerl, PLV8 ...

cheers

andrew




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