planner and join type mismatches - Mailing list pgsql-general

From Jim Wilson
Subject planner and join type mismatches
Date
Msg-id twig.1074089354.18614@kelcomaine.com
Whole thread Raw
In response to Re: serverless postgresql  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: planner and join type mismatches
List pgsql-general
Tom Lane <tgl@sss.pgh.pa.us> said:

> ---------------------------(end of broadcast)---------------------------
> TIP 9: the planner will ignore your desire to choose an index scan if your
>       joining column's datatypes do not match
>

Re: tip 9 :-).  In 7.3.5 is it possible that the planner is finding a type
mismatch when there isn't one, resulting in a seq scan being selected?  I've
had a problem with joining tables on an int8 column (primary key column in one
of the tables).  Tested left outer and where clause syntax.

TIA,

Jim Wilson


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