Re: [GENERAL] Inserting boolean types as an alias?

2013-12-03 Thread Michal Politowski
On Mon, 2 Dec 2013 15:46:17 -0800, Nick wrote: [...] > This is what I have currently for the line that I am specifically talking > about: > > INSERT INTO club_Games(memberID, gameID, hardwareID, count, status) >VALUES ((SELECT memberID FROM members WHERE name = 'Fred Flinstone'), > (SELEC

Re: [GENERAL] Deleting 173000 records takes forever, blocks async queries for unrelated records

2013-02-01 Thread Michal Politowski
On Fri, 1 Feb 2013 10:38:26 +0100, Alexander Farber wrote: > Hello, > > in a Facebook game running on > PostgreSQL 8.4.13 and having so many players: > > # select count(*) from pref_users; > count > > 223964 > > I am trying to get rid of inactive users, > who just visited the canvas

Re: [GENERAL] Mixed up protocol packets in server response?

2011-06-03 Thread Michal Politowski
On Fri, 3 Jun 2011 09:53:59 -0400, Tom Lane wrote: [...] > You'd probably be better off asking these questions in pgsql-jdbc ... > a lot of us here don't even speak Java. Good point. Will try the other list. Thank you for your help. -- MichaƂ Politowski Talking has been known to lead to communi

Re: [GENERAL] Mixed up protocol packets in server response?

2011-06-03 Thread Michal Politowski
On Thu, 2 Jun 2011 08:50:30 +0800, Craig Ringer wrote: > On 1/06/2011 9:06 PM, Michal Politowski wrote: > > >What may be the cause of this weird problem? Is it some known or unknown bug > >in > >8.3.4 or is the application/Java side more suspected? > > It&#x

[GENERAL] Mixed up protocol packets in server response?

2011-06-01 Thread Michal Politowski
I have an instance of what looks like a weird mixup of data returned by the server. This is observed in a Java application using the 9.0-801.jdbc4 JDBC driver connecting to an 8.3.4 server (yes, it's old) running on Solaris. The application hung waiting for the result of one select * from a_tabl

Re: [GENERAL] index in desc order

2010-11-02 Thread Michal Politowski
On Tue, 2 Nov 2010 10:10:19 -0400, Tom Lane wrote: > Szymon Guz writes: > > On 2 November 2010 10:36, AI Rumman wrote: > >> Is it possible to create an index in descending order? > > > create index i on t(i desc); > > Note that there is actually no point at all in such a declaration. > The pla

[GENERAL] Why would a scan take so long?

2010-10-01 Thread Michal Politowski
e it should take a couple minutes and it takes ten times longer: Time: 1495549.716 ms What am I missing? -- Michal Politowski -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general

Re: [GENERAL] Best way to store case-insensitive data?

2010-06-11 Thread Michal Politowski
On Thu, 10 Jun 2010 13:50:23 -0700, Mike Christensen wrote: > I have a column called "email" that users login with, thus I need to > be able to lookup email very quickly. The problem is, emails are > case-insensitive. I want f...@bar.com to be able to login with > f...@bar.com as well. There's t

Re: [GENERAL] SELECT only those values of table B which have a value in table A

2010-02-25 Thread Michal Politowski
On Thu, 25 Feb 2010 09:34:19 +0100, Stefan Schwarzer wrote: > Hi there, > > I have tables with values for each country of the world. > > Now, there is the possibility for the user to generate regional > (Europe, Africa...) or subregional (Western Europe, Central > Europe...) aggregations on-the-f

Re: [GENERAL] (P)SQL for a sum with constraints

2009-04-15 Thread Michal Politowski
On Wed, 15 Apr 2009 15:32:42 +0100, Shug Boabby wrote: > I simplified my problem a little too much and now I'm stuck trying to > use cumulative_sum(). My schema is not only A, B but also has a C > > A B C > 1 0 1 > 2 1 1 > 3 0 1 > 4 2 1 > 5 1 1 > 1 0 2 > 2 1 2 > 3 0 2 > 4 2 2 > 5 1 2 > > and I wa

Re: [GENERAL] partial unique index and the planner

2009-02-16 Thread Michal Politowski
On Sun, 15 Feb 2009 13:41:05 -0500, Tom Lane wrote: > Michal Politowski writes: > > Is it normal that plans using a scan on a partial unique index > > estimate that much more than one row is returned? > > There isn't currently any special logic to recognize that cas

[GENERAL] partial unique index and the planner

2009-02-15 Thread Michal Politowski
I'm using PostgreSQL 8.3. Is it normal that plans using a scan on a partial unique index estimate that much more than one row is returned? Eg. I see: -> Bitmap Index Scan on tmp_idx_oss_archive_object_id_current (cost=0.00..3.12 rows=4189 width=0) where the tmp_idx_oss_archive_object_id_current