Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Brian Modra
On 09/06/2010, John Gage wrote: > 1) On a list that howls with complaints when posts are in html, it is > surprising that there is resistance to the idea of documentation in > plain text. > > 2) Posters are correctly referred to the documentation as frequently > as possible. In fact, very frequen

Re: [GENERAL] [BUGS] BUG #5492: Query performs slowly and sequence corrupted

2010-06-09 Thread p . buongiovanni
Thank you very much for your answer below. Just to keep you in the picture, the first problem has been solved with a FULL VACUUMING of the database. With reference to the sequence, I experience this problem when I operate with pgAdmin III. It seems that the sequence START value is replaced ever

Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Torsten Zühlsdorff
Brian Modra schrieb: Personally I like to use html docs, and it would be good if the documentation were downloadable from the postgresql website in other formats, for convenience... But, what I use is this, which works pretty well: (e.g. to get the 8.1 dosc) mkdir postgresql cd postgresql wge

[GENERAL] server crash => libpq poll() hangs forever (Linux)

2010-06-09 Thread Marinos Yannikos
Hi, we had a kernel panic crashing our DB server today and all libpq clients (C and Perl clients) got stuck in poll() for hours even after the server was back up, i.e. longer than the tcp timeout should be: #0 0x2b2283b31c8f in poll () from /lib/libc.so.6 #1 0x2b228446f4af in PQmble

Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Dave Coventry
My tupp'th: Formatted text, whether PDF, HTML or (heaven forbid!) Word Documents, is easier to read than unformatted plain text, and those of us without the OP's very admirable proficiency in vi remain at the mercy of the various readers and their associated search functions. However, I sure that

Re: [GENERAL] Some insight on the proper SQL would be appreciated

2010-06-09 Thread Ognjen Blagojevic
Plenty of solutions here: http://www.xaprb.com/blog/2006/12/07/how-to-select-the-firstleastmax-row-per-group-in-sql/ -Ognjen On 8.6.2010 18:29, Aaron Burnett wrote: Greetings, I hope this is the proper list for this, but I am a loss on how to achieve one particular set of results. I have a

Re: [GENERAL] Some insight on the proper SQL would be appreciated

2010-06-09 Thread Thom Brown
On 8 June 2010 17:29, Aaron Burnett wrote: > > Greetings, > > I hope this is the proper list for this, but I am a loss on how to achieve > one particular set of results. > > I have a table which is a list of users who entered a contest. They can > enter as many times as they want, but only 5 will

[GENERAL] How to show the current schema or search path in the psql PROMP

2010-06-09 Thread Schwaighofer Clemens
Hi, I am trying to figure out how I can show the current search_path, or better the first search_path entry (the active schema) in the PROMPT variable for psql. Is there any way to do that? I couldn't find anything useful ... -- ★ Clemens 呉 Schwaighofer ★ IT Engineer/Web Producer/Planning ★ E-G

Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Dimitri Fontaine
Dave Coventry writes: > Formatted text, whether PDF, HTML or (heaven forbid!) Word Documents, > is easier to read than unformatted plain text, and those of us without > the OP's very admirable proficiency in vi remain at the mercy of the > various readers and their associated search functions. > >

[GENERAL] How to return an INT4 subtracting dates?

2010-06-09 Thread Andre Lopes
Hi, I need to return an int4 subtracting two dates, but returns me an interval. select end_date - now() as interger_number from hist_anuncios How to return an integer out of this? Best Regards,

Re: [GENERAL] How to return an INT4 subtracting dates?

2010-06-09 Thread Pavel Stehule
Hello 2010/6/9 Andre Lopes : > Hi, > > I need to return an int4 subtracting two dates, but returns me an interval. > > select > end_date - now() as interger_number > from hist_anuncios > > How to return an integer out of this? > > > Best Regards, > > postgres=# select '2010-06-18'::date - CURRENT

Re: [GENERAL] How to return an INT4 subtracting dates?

2010-06-09 Thread Raymond O'Donnell
On 09/06/2010 11:57, Andre Lopes wrote: > Hi, > > I need to return an int4 subtracting two dates, but returns me an interval. > > select > end_date - now() as interger_number > from hist_anuncios > > How to return an integer out of this? Hmmm, according to the docs, subtracting dates returns an

[GENERAL] Windows: Compiling and linking dynamically-loaded functions

2010-06-09 Thread Massa, Harald Armin
Hello, within Section 34.9.6. of the PostgreSQL documentation ( http://www.postgresql.org/docs/8.4/static/xfunc-c.html) there is an excellent summary how to compile and link extensions on a variaty of Unix and Unix-like operating systems. How do I do the same on Windows, using Visual C Express ?

Re: [GENERAL] Some insight on the proper SQL would be appreciated

2010-06-09 Thread Harald Fuchs
In article <4c0f4ba8.3040...@gmail.com>, Ognjen Blagojevic writes: > Plenty of solutions here: > http://www.xaprb.com/blog/2006/12/07/how-to-select-the-firstleastmax-row-per-group-in-sql/ This doesn't mention the incredibly powerful windowing functions of PostgreSQL >= 8.4.0: SELECT username,

Re: [GENERAL] server crash => libpq poll() hangs forever (Linux)

2010-06-09 Thread Tom Lane
Marinos Yannikos writes: > It seems that poll() never receives a connection closed notification under > Linux > (https://lists.linux-foundation.org/pipermail/bugme-new/2003-April/008335.html > - > very old report, "very old report" is right. What makes you think that has anything to do with

[GENERAL] vacuum process is hanging

2010-06-09 Thread Lonni J Friedman
Greetings, I've got an 8.1.10 instance running on Linux-i686. The system hosts 5 databases, all of which get vacuumed via a cronjob 3 times a day. All of a sudden, the vacuum job for 1 of the databases is hanging indefinitely. It normally finishes in under 5 minutes. There are no errors in the

Re: [GENERAL] vacuum process is hanging

2010-06-09 Thread Tom Lane
Lonni J Friedman writes: > I've got an 8.1.10 instance running on Linux-i686. The system hosts 5 > databases, all of which get vacuumed via a cronjob 3 times a day. All > of a sudden, the vacuum job for 1 of the databases is hanging > indefinitely. Is it actually blocked, or just busy? (strace

Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Alvaro Herrera
Excerpts from John Gage's message of mié jun 09 01:28:54 -0400 2010: > I recently was re-looking at my files and saw > "tsvector::text". I had forgotten that the double colon is one way to > cast a type. Double colon is not in the html index of the > documentation. I just added an index e

Re: [GENERAL] vacuum process is hanging

2010-06-09 Thread Vick Khera
On Wed, Jun 9, 2010 at 12:13 PM, Lonni J Friedman wrote: > hat I'm running is "vacuumdb -v -z -f -d inventory".  I also tried > removing the -z and -f options to see if that would at least get it to > complete, but that had no impact.  Here's the tail end of the output, > leading up to the hang:

[GENERAL] Locale, LL_COLLATE and sorting case-insensatively

2010-06-09 Thread Bill Moran
Is there a way to sort case-insensitively without using LOWER()? I thought that a combination of encoding and LC_COLLATE would achieve this, but everything I've tried so far has resulted in the dreaded caps-come-first(tm) behavior. A setting in the DB to force text fields to be sorted case insen

[GENERAL] checkpoint spikes

2010-06-09 Thread Janning
Hi, we currently encounter an increasing load on our website. With the increasing load we see some problems on our database. so we checked what happens and we saw spikes in our load when checkpoints are about to finish. Our configuration: max_connections = 125 ssl = false shared_buffers = 500M

Re: [GENERAL] vacuum process is hanging

2010-06-09 Thread Scott Marlowe
On Wed, Jun 9, 2010 at 10:13 AM, Lonni J Friedman wrote: > Greetings, > I've got an 8.1.10 instance running on Linux-i686.  The system hosts 5 > databases, all of which get vacuumed via a cronjob 3 times a day.  All > of a sudden, the vacuum job for 1 of the databases is hanging > indefinitely.  I

Re: [GENERAL] server crash => libpq poll() hangs forever (Linux)

2010-06-09 Thread björn lundin
On 9 Juni, 16:37, t...@sss.pgh.pa.us (Tom Lane) wrote: > Marinos Yannikos writes: > > It seems that poll() never receives a connection closed notification under > > Linux > > (https://lists.linux-foundation.org/pipermail/bugme-new/2003-April/008...- > > very old report, > > "very old report" is r

Re: [GENERAL] Queues Problem

2010-06-09 Thread uaca man
2010/6/8 Oliver Kohll - Mailing Lists > On 8 Jun 2010, at 20:12, uaca man wrote: > > > 2) Think of the front end as changing states as the user interacts > > with it, then figure out what queries need to be made to correspond to > > the changes in state. > > > [snip] > > > That is exactly what w

Re: [GENERAL] server crash => libpq poll() hangs forever (Linux)

2010-06-09 Thread Alvaro Herrera
Excerpts from björn lundin's message of mié jun 09 16:17:57 -0400 2010: > On 9 Juni, 16:37, t...@sss.pgh.pa.us (Tom Lane) wrote: > > Marinos Yannikos writes: > > > It seems that poll() never receives a connection closed notification > > > under Linux > > > (https://lists.linux-foundation.org/pipe

Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Lew
Brian Modra wrote: Personally I like to use html docs, and it would be good if the documentation were downloadable from the postgresql website in other formats, for convenience... Good thing it is, then, albeit not in the most convenient format, i.e., DocBook. But then, from there you can gen

[GENERAL] calculating distance between longitude and latitude

2010-06-09 Thread Geoffrey
Does postgresql have functions to calculate the distance between two sets of longitude and latitude. -- Until later, Geoffrey "I predict future happiness for America if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." - Thomas Jef

Re: [GENERAL] calculating distance between longitude and latitude

2010-06-09 Thread Szymon Guz
2010/6/9 Geoffrey > Does postgresql have functions to calculate the distance between two sets > of longitude and latitude. > > -- > Until later, Geoffrey > > "I predict future happiness for America if they can prevent > the government from wasting the labors of the people under > the pretense of

Re: [GENERAL] calculating distance between longitude and latitude

2010-06-09 Thread Uwe Schroeder
> Does postgresql have functions to calculate the distance between two > sets of longitude and latitude. > You're looking for the earthdistance contrib module. With most Linux distros it's installed under /usr/share/postgresql/8.xx/contrib You may have to install a "postgresql-contrib" package

Re: [GENERAL] server crash => libpq poll() hangs forever (Linux)

2010-06-09 Thread Tom Lane
=?ISO-8859-1?Q?bj=F6rn_lundin?= writes: > On 9 Juni, 16:37, t...@sss.pgh.pa.us (Tom Lane) wrote: >> "very old report" is right.  What makes you think that has anything to >> do with modern kernel versions? > Interesting. The bug report includes a short code snippet which > compiles to a c program

[GENERAL] pgcon 2010 videos?

2010-06-09 Thread Aljosa Mohorovic
i've found some videos of conference at http://www.fosslc.org/drupal/category/event/pgcon2010 but some are missing. also, there is no mention of videos on pgcon page. anybody knows if missing videos will appear somewhere and why there is no links on pgcon site? Aljosa Mohorovic -- Sent via pgsq

Re: [GENERAL] Cognitive dissonance

2010-06-09 Thread Peter Eisentraut
On tis, 2010-06-08 at 11:04 +0200, John Gage wrote: > > Yet, the only one file edition of the Postgres documentation is > in...pdf format. Huh? > > I know. I know. I have already brought this up. And various ways > of > creating a one file text edition of the documentation have been > p