On Fri, Feb 29, 2008 at 7:20 PM, Sam Mason <[EMAIL PROTECTED]> wrote:
> On Fri, Feb 29, 2008 at 05:28:29PM +0530, Gurjeet Singh wrote:
> > On Fri, Feb 29, 2008 at 3:55 PM, Martijn van Oosterhout <
> [EMAIL PROTECTED]> wrote:
> > > Except if you have an index on the column you're ordering by. Then
On Fri, Feb 29, 2008 at 05:28:29PM +0530, Gurjeet Singh wrote:
> On Fri, Feb 29, 2008 at 3:55 PM, Martijn van Oosterhout <[EMAIL PROTECTED]>
> wrote:
> > Except if you have an index on the column you're ordering by. Then the
> > server can really return the first row quickly.
>
> Quickly for sure
On Fri, Feb 29, 2008 at 3:55 PM, Martijn van Oosterhout <[EMAIL PROTECTED]>
wrote:
> On Fri, Feb 29, 2008 at 02:53:05PM +0530, Gurjeet Singh wrote:
> > In my opinion (without looking at the code), if you have a
> grouping-function
> > or ORDER BY or GROUP BY clause, then yes, the whole query has t
On Fri, Feb 29, 2008 at 02:53:05PM +0530, Gurjeet Singh wrote:
> In my opinion (without looking at the code), if you have a grouping-function
> or ORDER BY or GROUP BY clause, then yes, the whole query has to be executed
> to show the first row of the result-set. But if the query doesn't have any
>
In my opinion (without looking at the code), if you have a grouping-function
or ORDER BY or GROUP BY clause, then yes, the whole query has to be executed
to show the first row of the result-set. But if the query doesn't have any
of these clauses, then the DB has the ability to send back the first r
On Thu, Feb 28, 2008 at 3:20 PM, Terry Lee Tucker <[EMAIL PROTECTED]> wrote:
> When one uses LIMIT, as in LIMIT 1, is the entire query executed on the server
> side, but only one record returned?
>
>
> --
When one uses LIMIT, as in LIMIT 1, is the entire query executed on the server
side, but only one record returned?
PostgreSQL 7.4.19 on i686-redhat-linux-gnu, compiled by GCC gcc (GCC) 3.4.6
though, haven't
> found any problems yet.
>
> Thanks
>
> Martin
>
> -Original Message-
> ·ol : José Soares <[EMAIL PROTECTED]>
> ¶æ : Chris Bitmead <[EMAIL PROTECTED]>
> CC : Martin Wong <[EMAIL PROTECTED]>; [EMAIL PROTECTED]
> <[
Martin Wong ha scritto:
> Sorry for the previous posting. The following worked.
>
> BTW, this affects just this database or throughout the entire postgresql
> server?
>
Only current_session;
>
> And, how does one reset this variable to max?
>
RESET QUERY_LIMIT;
___
This is from the Tutorial for version 6.4 of PostgreSQL.
SET - Set run-time parameters for session
SET variable { TO | = } { 'value' | DEFAULT }
SET TIME ZONE { 'timezone' | LOCAL };
QUERY_LIMIT
Sets the number of rows returned by a query.
Value
Maximum number of rows
TECTED] <[EMAIL PROTECTED]>
ú : 1999N430ú 0:01
¼ : Re: [GENERAL] LIMIT QUESTION
This works in 6.4.2:
set QUERY_LIMIT TO '10'; or
set QUERY_LIMIT = '10';
On Thu, 29 Apr 1999, [iso-8859-1] José Soares wrote:
>
> Use SET QUERY_L
;[EMAIL PROTECTED]>; [EMAIL PROTECTED]
<[EMAIL PROTECTED]>
ú : 1999N430ú 0:01
¼ : Re: [GENERAL] LIMIT QUESTION
>Chris Bitmead ha scritto:
>
>> Only PostgreSQL 6.5 Beta supports LIMIT.
>>
>> > I've an elementary question. What's wrong with the follo
Only PostgreSQL 6.5 Beta supports LIMIT.
> I've an elementary question. What's wrong with the following :
>
> dbtest=> select * from testusers limit 10;
> ERROR: parser: parse error at or near "10"
> dbtest=> select version();
> version
> ---
I think "limit" is new with version 6.5.
-Original Message-
From: Martin Wong [SMTP:[EMAIL PROTECTED]]
Sent: Wednesday, April 28, 1999 8:07 PM
To: [EMAIL PROTECTED]
Subject: [GENERAL] LIMIT QUESTION
Hi,
Hi,
I've an elementary question. What's wrong with the following :
dbtest=> select * from testusers limit 10;
ERROR: parser: parse error at or near "10"
dbtest=> select version();
version
-
PostgreSQL 6.4.2 on i586-pc-linux-gnu, compi
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