From: | Grzegorz Jaskiewicz <gj(at)pointblue(dot)com(dot)pl> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Subject: | Re: _penalty gist method invoked with one key NULL |
Date: | 2005-10-27 23:14:28 |
Message-ID: | A7019C5C-400E-4783-8569-286E9B8C1509@pointblue.com.pl |
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Lists: | pgsql-hackers |
Seems like decompress and compress were offending here, simply
removing them from gist index create helped.
But, I still get on explain analyze that seqscan was used, rather
than gist. Even tho ~ operator is defined for gist, and that seqscan
is set to false.
On 2005-10-28, at 00:24, gj wrote:
>
>
> Breakpoint 1, gistpenalty (giststate=0xbfc254e4, attno=0,
> key1=0xbfc252d4,
> isNull1=0 '\0', key2=0xbfc24fd4, isNull2=0 '\0',
> penalty=0xbfc24fb0) at gistutil.c:821
> 821 FunctionCall3(&giststate->penaltyFn[attno],
> (gdb) p key1
> $1 = (GISTENTRY *) 0xbfc252d4
> (gdb) p key1->key
> $2 = 0
> (gdb) p key2->key
> $3 = 138721324
>
>
> Sorry, key1 and key2 are just GISTENTRY pointers.
> so, as I can see this is NULL indeed, so my _penalty function is ok.
>
>
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