| From: | Alain <alainm(at)pobox(dot)com> |
|---|---|
| To: | Sql-Postgre <pgsql-sql(at)postgresql(dot)org> |
| Subject: | Tip ? |
| Date: | 2005-05-24 18:26:50 |
| Message-ID: | 429371EA.30502@pobox.com |
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| Thread: | |
| Lists: | pgsql-bugs pgsql-sql |
This tip was at the end of a message (from Szűcs Gábor).
> TIP 9: the planner will ignore your desire to choose an index scan if your
> joining column's datatypes do not match
it looks very important, but I cannot understand it. Sound as a small
and easy mistake that can make things go sour...
Can someone explain it please?
thanks,
Alain
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