Обсуждение: Postgres optimizer
<span id="intelliTxt">Hi,<br /><br /> I want to get the coding details regarding postgres optimizer. Essentially, which filescorrespond to which functions, how the algo is implemented, the flow etc.. Where can I find this material ?<br /><br/> Also, how to I start changing Postgres Code using eclipse platform (with tracing, debug functionalities ) ?<br /><br/>Thanks,<br />Suresh<br /></span><p><hr size="1" />Need Mail bonding?<br />Go to the <a href="http://answers.yahoo.com/dir/index;_ylc=X3oDMTFvbGNhMGE3BF9TAzM5NjU0NTEwOARfcwMzOTY1NDUxMDMEc2VjA21haWxfdGFnbGluZQRzbGsDbWFpbF90YWcx?link=ask&sid=396546091">Yahoo! MailQ&A</a> for <a href="http://answers.yahoo.com/dir/index;_ylc=X3oDMTFvbGNhMGE3BF9TAzM5NjU0NTEwOARfcwMzOTY1NDUxMDMEc2VjA21haWxfdGFnbGluZQRzbGsDbWFpbF90YWcx?link=ask&sid=396546091">great tipsfrom Yahoo! Answers</a> users.
Suresh wrote: > Hi, > > I want to get the coding details regarding postgres optimizer. > Essentially, which files correspond to which functions, how the algo is > implemented, the flow etc.. Where can I find this material ? > > Maybe start with the docs, there a good section on optimization: http://www.postgresql.org/docs/8.2/static/overview.html And the README for the optimizer module in the code is worth a look too: http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/README?rev=1.39 Cheers Mark