Re: [SQL] Ambiguous error message

2004-01-02 Thread Bertrand Petit
On Fri, Jan 02, 2004 at 05:49:46PM +0100, Samuel Tardieu wrote: > > select texten, total > from (select protocolid, count(*) as total) from ips where catid=1 ^ +--- There > group by protocolid order by pr

Re: [SQL] pg_class.relpages

2003-09-27 Thread Bertrand Petit
On Sat, Sep 27, 2003 at 08:26:16PM -0400, Bruce Momjian wrote: > Bertrand Petit wrote: > > > > Does the figures stored in pg_class.relpages include the pages > > consumed by the toast tables linked to a normal table? > > No. See the chapter on monitoring disk

[SQL] pg_class.relpages

2003-09-27 Thread Bertrand Petit
Does the figures stored in pg_class.relpages include the pages consumed by the toast tables linked to a normal table? -- %!PS 297.6 420.9 translate 90 rotate 0 setgray gsave 0 1 1{pop 0 180 moveto 100 180 170 100 170 -10 curveto 180 -9 180 -9 190 -10 curveto 190 100 100 180 0 180 curveto

Re: [SQL] Backup of multiple tables

2003-09-22 Thread Bertrand Petit
On Tue, Sep 23, 2003 at 12:34:00AM +0200, Andreas Joseph Krogh wrote: > > I've never looked at the code-base of pgsql before, but I'll give it a try. > Don't expect anything real soon tho. If you acheive to add the selection of tables to dump, you may at the same time try to add a simila

[SQL] Equality operators on NULL values

2003-08-24 Thread Bertrand Petit
(in)Equality operators evaluates to NULL when any of their arguments are NULL as summarized bellow. NULL=NULL ==> NULL 1=NULL==> NULL 1=1 ==> t 1=2 ==> f I have a case where I need to delete rows from table A for records that are designated

Re: [SQL] "SELECT IN" Still Broken in 7.4b

2003-08-22 Thread Bertrand Petit
On Fri, Aug 22, 2003 at 08:50:15AM -0400, Tom Lane wrote: > Bertrand Petit <[EMAIL PROTECTED]> writes: > > On Wed, Aug 20, 2003 at 04:32:19PM -0400, Tom Lane wrote: > >> against actual elapsed time (cf psql's \timing option) would tell. > > >

Re: [SQL] "SELECT IN" Still Broken in 7.4b

2003-08-21 Thread Bertrand Petit
On Wed, Aug 20, 2003 at 04:32:19PM -0400, Tom Lane wrote: > > against actual elapsed time (cf psql's \timing option) would tell. What is measured by the \timing option? The figures reported are slightly larger than those loged when the log_duration parameter is true. => select count(*) fr

Re: [SQL] sequence

2003-08-15 Thread Bertrand Petit
On Fri, Aug 15, 2003 at 12:32:36PM +0300, cristi wrote: > What is wrong here? > > insert into table_name (field_name) values (select > setval('sequence_name')-1) as currval); This should be better: INSERT INTO table_name (field_name) VALUES (nextval('sequence_name')); -- %!PS 2

Re: [SQL] Comparing arrays

2003-08-11 Thread Bertrand Petit
On Sat, Aug 09, 2003 at 09:01:13AM -0700, Joe Conway wrote: > > This should work on 7.4 beta. And now it works too in 7.3. I've implemented the <, <=, =, <>, =>, and > operators in PL/pgSQL for the VARCHAR[] type and assembled them into an operator class. This is just a bit slow but that's

[SQL] Comparing arrays

2003-08-09 Thread Bertrand Petit
Hello, I advance in my postgres exploration and found something that looks quite strange, or at least unexpected regarding the present 7.3.3 documentation. In two table I store "objects" and their attributes. The attributes, which are not meant to be searched, are stored

[SQL] Efficient deletions?

2003-08-01 Thread Bertrand Petit
Hello, This is my first message to this list. I'm curently trying to improve my postgres skillsm I've assigned myself a project involving a database whose dataset is quite larger than those I had to use until now. I'm curently facing a trouble with the DELETE query: I ne