Re: [GENERAL] .psql_history file is messed up and control-r does not work

2012-02-05 Thread zhong ming wu
> > Yeah, that's what it will look like if psql is using Apple's libedit > library; it's unrelated to the server. > > I think libedit doesn't support control-r either, not totally sure > though.  In any case there are some known bugs in libedit that Apple's > not been terribly swift to fix.  I'd su

[GENERAL] .psql_history file is messed up and control-r does not work

2012-02-05 Thread zhong ming wu
My .psql_history contains lines of the form. select\040sum(price)\040from\040products\040p\040join\040 My psql client is 9.1.2 on Mac OS and server is linux 9.0.5 Is the version mismatch messing up this .psql_history file? Also control-r to search the history isn't working at psql prompt from

[GENERAL] hot standby waiting for invalid wal file

2011-08-26 Thread zhong ming wu
Dear List Since 9.0 comes out, I had been successfully using wal file shipping readonly hotstandby feature in pg. I am currently trying to reestablish a readonly slave after master node failure. The newly established master server is working properly. I have verified that WAL file shipping is

Re: [GENERAL] stunnel with just postgresql client part

2011-05-10 Thread zhong ming wu
On Mon, May 9, 2011 at 10:50 PM, Merlin Moncure wrote: > Now manybe *I'm* a little confused.  Are you connecting to the write > port (stunnel's secure port)? As I understand it, the stunnel pgsql > protocol is such that the client side libpq application can connect to > stunnel which unwraps the

Re: [GENERAL] stunnel with just postgresql client part

2011-05-09 Thread zhong ming wu
On Mon, May 9, 2011 at 6:42 PM, Merlin Moncure wrote: >> Thanks.  Yes, when I installed the latest stunnel-4.36 it works. >> >> One strange thing I notice.  When I do ssl connect with psql I am >> supposed to get a message like >> >> SSL connection (cipher: DHE-RSA-AES256-SHA, bits: 256) >> >> Wit

Re: [GENERAL] stunnel with just postgresql client part

2011-05-09 Thread zhong ming wu
On Mon, May 9, 2011 at 4:37 PM, Merlin Moncure wrote: >> I was not setting protocol.  But since I got your message, I tried >> 'protocol = pgsql' in stunnel.conf > > see: > http://pgbouncer.projects.postgresql.org/doc/faq.html#_how_to_use_ssl_connections_with_pgbouncer > > "Use Stunnel. Since ver

Re: [GENERAL] stunnel with just postgresql client part

2011-05-09 Thread zhong ming wu
On Mon, May 9, 2011 at 2:01 PM, Merlin Moncure wrote: . . . >>  It seems to be shame that I have to run stunnel on the pg box as well. >> >> My question is that client only stunnel to pg server requiring ssl >> connection is not expected to work?  Or am I doing something wrong? > > what version st

[GENERAL] stunnel with just postgresql client part

2011-05-09 Thread zhong ming wu
Hi My postgresql client (ejabberd postgresql lib) does not seem to be capable of ssl connection to postgresql server (with hostssl in pg_hba) So I tried to use run stunnel on the client box (ejabberd). It appears not to work. Here is stunnel log on the client end -- 2011.05.09 0

[GENERAL] pg_dump: Error message from server: ERROR: canceling statement due to conflict with recovery

2010-12-02 Thread zhong ming wu
pg_dump: SQL command failed pg_dump: Error message from server: ERROR: canceling statement due to conflict with recovery DETAIL: User query might have needed to see row versions that must be removed. pg_dump: The command was: COPY public.i.. TO stdout; pg_dumpall: pg_dump failed on database "

[GENERAL] port warded (iptables) postgres

2010-11-16 Thread zhong ming wu
Hello I have successfully used iptables to direct ports for other services. For example I run apache on 8443 on 127.0.0.1 and use iptable to direct traffic to public ip on 443. Trying the same with postgresql does not seem to work properly. I was wondering whether anyone has successfully used ip

[GENERAL] use wal archiving scheme from 8.1 on 9.0

2010-11-02 Thread zhong ming wu
Hello List I have a nicely working system of maintaining a cold standby of master 8.1.11 server. System consists of a set of scripts to do a base backup to standby and scheme to send wal files and restoring the cold standby should the master server break down I have another totally separate post

Re: [GENERAL] Is this a known feature of 8.1 SSL connection?

2010-11-02 Thread zhong ming wu
Sorry to top post but it's this email client .. pg_hba.conf is bare bone Besides it asks for certs but it obviously does not do SSL connection at the end On Nov 2, 2010 2:12 PM, "Ray Stell" wrote: On Tue, Nov 02, 2010 at 01:54:34PM -0400, zhong ming wu wrote: > On Tue, Nov

Re: [GENERAL] Is this a known feature of 8.1 SSL connection?

2010-11-02 Thread zhong ming wu
On Tue, Nov 2, 2010 at 1:43 PM, Ray Stell wrote: >> >> Good question. First, it's not easy to get confused like this because server >> logs lives in $PGDATA/pg_log/ > > > this is configurable in postgresql.conf. you can set the logs to any dir > that exists and is writable by the software owner.

[GENERAL] Feature request for this mail list

2010-11-02 Thread zhong ming wu
I looked on PG website but couldn't find admin email for this list I would like list emails to have extra 'reply-to' header addressed to the list Is it too much to ask? When replying from a mobile client it can be tricky without + even from a bigger client most often I forgot

Re: [GENERAL] Is this a known feature of 8.1 SSL connection?

2010-11-02 Thread zhong ming wu
On Tue, Nov 2, 2010 at 11:25 AM, Ray Stell wrote: > On Tue, Nov 02, 2010 at 09:03:59AM -0400, zhong ming wu wrote: >> On Mon, Nov 1, 2010 at 5:06 PM, Ray Stell wrote: >> > >> > no, that does not make sense to me, however, I don't have an 8.x to play >>

[GENERAL] Is this a known feature of 8.1 SSL connection?

2010-11-01 Thread zhong ming wu
I don't recall this being an issue with 8.4 I am also using Say your 8.1 server has SSL on. Even though pg_hba.conf have host or hostnossl md5 either server or 8.1 psql insists that you have .postgresql/postgresql.* Does that make sense to you? Note: no "cert" in pg_hba.conf

Re: [GENERAL] What is "return code" for WAL send command

2010-10-25 Thread zhong ming wu
On Mon, Oct 25, 2010 at 1:58 PM, Fredric Fredricson wrote: >  On 10/25/2010 01:19 PM, David W Noon wrote: >> > Ah, yes of course, It was a while ago I played with cron. > "man 5 crontab" is also a good command to know, or > "info crontab" if you prefer those modern inventions. > This is nothing t

Re: [GENERAL] What is "return code" for WAL send command

2010-10-24 Thread zhong ming wu
On Sat, Oct 23, 2010 at 11:48 AM, Tom Lane wrote: > > A more recent version of Postgres would break that down for you: it > means the subprocess exited with exit(127).  A look in the shell > man page suggests this is a "command not found" failure.  Maybe > there's something flaky about where you h

[GENERAL] What is "return code" for WAL send command

2010-10-23 Thread zhong ming wu
Hello I have a master PG 8.1.11 sending WAL files to a cold-standby using rsync For some reason it failed recently with "return codes 32512" and I couldn't find this num. as a valid rsync exit code During the time that the error was going on I tried the rsync command manually and didn't error C

[GENERAL] variable name in plpgsql

2010-09-08 Thread zhong ming wu
It seems that one cannot use the variable name that is the same as the column name of a relation like in the following function -- create or replace function bla() returns void language plpgsql as $$ declare email varchar; begin select email into email from pass where id=1;

Re: [GENERAL] Non-reentrant plperlu function & concurrent access

2010-08-17 Thread zhong ming wu
On Tue, Aug 17, 2010 at 4:15 AM, Philippe Lang wrote: >> Hi, >> >> I have a non-reentrant plperlu function, which does no database >> modification. It basically stores input data into a file, calls a unix >> shell command, and reads the result back from another file. >> >> I don't really care abou

Re: [GENERAL] return setof : alternatives to holder table

2010-08-15 Thread zhong ming wu
On Sun, Aug 15, 2010 at 12:21 PM, zhong ming wu wrote: > On Sun, Aug 15, 2010 at 11:57 AM, Joe Conway wrote: >> On 08/15/2010 07:57 AM, zhong ming wu wrote: >>> Here is what I have tried >>> >>> create or replace function te(out a int,out b int) returns set

Re: [GENERAL] return setof : alternatives to holder table

2010-08-15 Thread zhong ming wu
On Sun, Aug 15, 2010 at 6:18 AM, Mike Christensen wrote: > On Sun, Aug 15, 2010 at 3:10 AM, Craig Ringer > wrote: >> >> On 15/08/10 18:00, zhong ming wu wrote: >> >> > Thanks for any better solution to this >> >> CREATE TYPE >> >> Howev

[GENERAL] return setof : alternatives to holder table

2010-08-15 Thread zhong ming wu
Hello List, I have a plpgsql function returning a set of records. The record is effectively a join of some tables. For example, table a (column a1,column a2,column a3,column a4) table b(column b1,column b2,column b4) I am returning a set of (a2,a4,b2). What I do now is to create a empty table

Re: [GENERAL] Postgresql database procedures?

2010-08-04 Thread zhong ming wu
On Wed, Aug 4, 2010 at 7:32 AM, Machiel Richards wrote: > Good day all > >   I am looking for some info / resources where I can learn how to write > database procedures, functions,etc? > >    I am a total newbie to this and will need to learn from scratch > >     Would appreciate the help

Re: [GENERAL] Comparison of Oracle and PostgreSQL full text search

2010-07-28 Thread zhong ming wu
On Tue, Jul 27, 2010 at 9:58 PM, Howard Rogers wrote: > Thanks to some very helpful input here in earlier threads, I was > finally able to pull together a working prototype Full Text Search > 'engine' on PostgreSQL and compare it directly to the way the > production Oracle Text works. The good new

Re: [GENERAL] How to change the file encoding of a 3gb file?

2010-07-18 Thread zhong ming wu
Will running the following on your file useful http://www.gnu.org/software/recode/ It helped me with a pg_dump file in the past On Sun, Jul 18, 2010 at 5:51 PM, Andre Lopes wrote: > Hi, > > I'am trying to import an SQL file with 3gb of INSERTS. I must to change the > encode of the file to UTF8,

Re: [GENERAL] How to log query parameters instead of variables with log_min_duration_statement

2010-06-28 Thread zhong ming wu
On Mon, Jun 28, 2010 at 5:29 AM, Max Williams wrote: > Hi, > > I am logging long queries with log_min_duration_statement but would like to > see the parameters for parameterized queries. Eg… > Consider increasing log level. I think you need to go to "debug" at least. -- Sent via pgsql-general

[GENERAL] oid data types mapping in libpq functions

2010-06-16 Thread zhong ming wu
Dear List Where can I find this mapping of oid to pg data types mentioned in libpq documentation? Why is such information not mentioned in the documentation? A general knowledge? Thanks Mr Wi -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscri

Re: [GENERAL] c program fails to run with the postgres which is installed at user location

2010-06-03 Thread zhong ming wu
On Thu, Jun 3, 2010 at 2:15 AM, John R Pierce wrote: > zhong ming wu wrote: >> >> ... >> This machine is RHEL 5.5 and has both RH stock postgres 8.1.18 in > > you probably need to either use "-R $HOME/local/lib" on the link command to > specify the run

[GENERAL] c program fails to run with the postgres which is installed at user location

2010-06-02 Thread zhong ming wu
I am trying to compile and run c program which reads the journal of an ancient propriety database and copy these transactions over to postgres. The process I follow is by trial and error and made worse by the fact that I haven't before made c program which talks to postgres and because I have to u

Re: [GENERAL] invalid abstime to timestamp error only on specific date range

2010-04-27 Thread zhong ming wu
On Tue, Apr 27, 2010 at 11:02 AM, Tom Lane wrote: > zhong ming wu writes: > > The closest thing I can find to that in the code is > >        cannot convert abstime "invalid" to timestamp Yes this is the message. There were invalid values in that table at first. Then I

[GENERAL] invalid abstime to timestamp error only on specific date range

2010-04-27 Thread zhong ming wu
I have a postgres table with a column type abstime. (all data in this database are loaded from an ancient propriety database) When I filter data from this table with a specific date range on this column it works. When I filter with a different date range it gives me an error like invalid abstim

[GENERAL] readline library not found

2010-04-15 Thread zhong ming wu
Dear List I need to build a postgres on a linux machine that I don't have root access. I built readline from source and installed it with prefix of /home/me/local readline library are in /home/me/local/lib and headers files are in /home/me/local/include/readline After explicitly specfying these

Re: [GENERAL] warm standby possible with 8.1?

2010-04-02 Thread zhong ming wu
On Sun, Mar 28, 2010 at 8:20 PM, Yar Tykhiy wrote: > > Guys, I'm afraid there may be some confusion here. I've got a warm > standby happily running with simple home-made archive and restore > scripts on a legacy Postgresql installation as old as 8.0. And yes, I > did failover multiple times (I

[GENERAL] any built-in function to get time in seconds?

2010-04-02 Thread zhong ming wu
I have been using this one liner c function that I call my_now() to get the number of seconds since some fixed point in the past. I find it more convenient than built-in now() and if I want abstime I do abstime(my_now()). Thing is everytime I do a major version upgrade I had to recompile this an

[GENERAL] returns 0 row from plpgsql function

2010-03-19 Thread zhong ming wu
Dear List I use plpgsql function as a postfix mailserver look-up table. For example to look up virtual email address. If I don't host this email address, then the function returns null. Because it's a 1 row of null value postfix logs a warning message. Although it's harmless in that postfix takes

Re: [GENERAL] return row from plpgsql?

2010-03-17 Thread zhong ming wu
On Wed, Mar 17, 2010 at 12:00 AM, Osvaldo Kussama wrote: > > For a RETURN SETOF function use: > > SELECT * FROM aplpgsqlfunction('%u'); > > http://www.postgresql.org/docs/current/interactive/plpgsql-control-structures.html#PLPGSQL-STATEMENTS-RETURNING > > Osvaldo > I didn't know about RETURN SETO

[GENERAL] return row from plpgsql?

2010-03-16 Thread zhong ming wu
Hello I have tried to return rowtypes and record from plpgsql but they don't look like anything what is returned from select a,b,c from table d; My application is for dovecot imap server userdb where I can only put one sql statement to retrieve a few items. I need to perform some logic in retrie

[GENERAL] warm standby possible with 8.1?

2010-03-09 Thread zhong ming wu
Dear List Is it possible to have a warm standby with 8.1? I have set up log shipping to standby server but it seems that i cannot make it read any subsequent walfiles except the first one played with initial data.With pg_standy with 8.2+ it is so easy to make it work but I would also like to have

[GENERAL] weird bug in rebuilding RPMs

2010-02-07 Thread zhong ming wu
Hello, I'm a long time user and I had always installed postgres by compiling from source. I recently moved to a new environment where everything is installed as rpm and plus I need to install a newer postgres for testing while keeping the existing version in place. That leads me to repackage postg

Re: [GENERAL] back out configure options

2010-01-31 Thread zhong ming wu
Thanks. That works nicely. On Tue, Jan 26, 2010 at 8:00 PM, Greg Smith wrote: > zhong ming wu wrote: >> >> Is there a way to figure out from binaries what options were used to >> compile/config?  For example with apache I can do "httpd -l" >> > > p

[GENERAL] back out configure options

2010-01-26 Thread zhong ming wu
Is there a way to figure out from binaries what options were used to compile/config? For example with apache I can do "httpd -l" Thanks mr. wu -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-ge