Re: [GENERAL] COPY table to file missing quotation marks

2013-02-03 Thread Jasen Betts
On 2013-01-31, Rich Shepard rshep...@appl-ecosys.com wrote: I'd like to understand what I'm missing when I COPY a table to a .csv file but the text is not quoted. Here's an example of a command: copy chemistry to '/home/postgres/emapchem.csv' with (format CSV, header True, quote '',

Re: [GENERAL] finding if a period is multiples of a given interval

2013-02-03 Thread Jasen Betts
On 2013-01-30, c k shreeseva.learn...@gmail.com wrote: --bcaec54eebba86ab5904d4815b33 Content-Type: text/plain; charset=UTF-8 Thanks. After some hacking it solved my problems using select date_part('days', age('06/01/2010'::date ,'04/01/2010'::date)); ??? you can't get there from here. --

[GENERAL] Re: Is there a way to add a detail message in a warning with pl/Python?

2013-02-03 Thread Jasen Betts
On 2013-01-30, Adrian Klaver adrian.kla...@gmail.com wrote: On 01/30/2013 02:49 AM, DANIEL CRISTIAN CRUZ wrote: Em 29/01/2013 17:30, Adrian Klaver escreveu: Why not: DO $$ plpy.warning('test, detail') $$ LANGUAGE plpythonu; In log: WARNING: test, detail Because pgBadger

Re: [GENERAL] finding if a period is multiples of a given interval

2013-02-03 Thread Jasen Betts
On 2013-01-28, c k shreeseva.learn...@gmail.com wrote: --bcaec5014c15b72ffb04d459337f Content-Type: text/plain; charset=UTF-8 Hi, I have two variables in pl/pgsql function. p_fromdate and p_todate I have another variable which represents intervals like day, month, quarter etc. p_interval

Re: [GENERAL] Can LC_TIME affect timestamp input?

2013-02-03 Thread Jasen Betts
On 2013-01-28, Paul Jones p...@cmicdo.com wrote: Since posting this, I tried digging around in the source code.  From looking at timestamp_in and related routines, it doesn't appear to take into account any LC_* environment var.  And I didn't see strftime(3) used for timestamps (although I

Re: [GENERAL] Optimizing query?

2013-02-03 Thread Jasen Betts
On 2013-01-31, haman...@t-online.de haman...@t-online.de wrote: Pavel Stehlule wrote: Hi, I am trying to match items from 2 tables based on a common string. One is a big table which has one column with entries like XY123, ABC44, = etc The table has an index on that column. The

Re: [GENERAL] Diferences between IN and EXISTS?

2013-02-03 Thread Fabrízio de Royes Mello
On Sun, Feb 3, 2013 at 3:31 AM, Edson Richter edsonrich...@hotmail.comwrote: Ok, I get it. Good education! Thank you very much, saved me a big headache! Also Bruce Momjian wrote some articles about NULLs [1] and one of them is about NOT IN [2] Best Regards, [1]

Re: [GENERAL] Syncing an application cache with xmin

2013-02-03 Thread Tom Lane
Jason Dusek jason.du...@gmail.com writes: The idea would be, to store information about the last XID in the last sync and search for XIDs committed since then upon reconnecting for sync. Perhaps `txid_current_snapshot()' preserves enough information. Is this a plausible technique? Perfectly

Re: [GENERAL] Syncing an application cache with xmin

2013-02-03 Thread Jason Dusek
2013/2/3 Tom Lane t...@sss.pgh.pa.us: Jason Dusek jason.du...@gmail.com writes: The idea would be, to store information about the last XID in the last sync and search for XIDs committed since then upon reconnecting for sync. Perhaps `txid_current_snapshot()' preserves enough information. Is

[GENERAL] Using partial index in combination with prepared statement parameters

2013-02-03 Thread Steven Schlansker
Hi, It's been covered a few times in the past, http://www.postgresql.org/message-id/banlktimft4ohqkb6y7m4wqrffpwnutp...@mail.gmail.com http://postgresql.1045698.n5.nabble.com/partial-indexes-not-used-on-parameterized-queries-td2121027.html but in a nutshell, partial indices do not play nicely

[GENERAL] Weird explain output

2013-02-03 Thread wd
I have a long SQL with many join, the explain analyse output like - Hash Left Join (cost=197749705.15..5320438982425.18 rows=5245599776015 width=7542) (actual time=674.634..2645.293 rows=4568 loops=1) Hash Cond: (p.id = ps.partner_id) - Merge Join

Re: [GENERAL] Weird explain output

2013-02-03 Thread Tom Lane
wd w...@wdicc.com writes: I have a long SQL with many join, the explain analyse output like - Hash Left Join (cost=197749705.15..5320438982425.18 rows=5245599776015 width=7542) (actual time=674.634..2645.293 rows=4568 loops=1) Hash Cond: (p.id = ps.partner_id) - Merge