From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Jeff <threshar(at)threshar(dot)is-a-geek(dot)com> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: GIN overlap vs empty arrays |
Date: | 2010-03-25 15:44:19 |
Message-ID: | 18820.1269531859@sss.pgh.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-bugs |
Jeff <threshar(at)threshar(dot)is-a-geek(dot)com> writes:
> Ran into this and I'm trying to decide if this is functioning as
> designed or if this is a bug that should be fixed: (PG 8.4.2)
> create table gintest
> (
> idList int[],
> foo text
> );
> create index gintest_gin_idx on gintest using gin(idList gin__int_ops);
> insert into gintest(idlist, foo) values (array[1,2,3], 'bar');
> select * from gintest where idList && array[]::int[];
> CREATE TABLE
> CREATE INDEX
> INSERT 0 1
> psql:ginproblem.sql:11: ERROR: GIN indexes do not support whole-index
> scans
Hmm, that case is supposed to work, in 8.3 and later ... but it doesn't
because of a stupid typo in contrib/intarray.
Index: _int_gin.c
===================================================================
RCS file: /cvsroot/pgsql/contrib/intarray/_int_gin.c,v
retrieving revision 1.10
diff -c -r1.10 _int_gin.c
*** _int_gin.c 11 Jun 2009 14:48:51 -0000 1.10
--- _int_gin.c 25 Mar 2010 15:37:56 -0000
***************
*** 65,71 ****
}
}
! if (nentries == 0)
{
switch (strategy)
{
--- 65,71 ----
}
}
! if (*nentries == 0)
{
switch (strategy)
{
Sometimes C is not the most helpful language to work in.
regards, tom lane
From | Date | Subject | |
---|---|---|---|
Next Message | Hiroshi Saito | 2010-03-25 16:23:30 | Re: UTF-8 encoding failure |
Previous Message | bortdagos | 2010-03-25 15:13:34 | BUG #5388: bortdagos |