fanlijing wrote:
When I want to save a bytea value into a file, what should I do？
Is there any function dealing with that in PostgreSQL? (like lo_export() to
deal with the large-object) (# I didn't find any)
If you want to save it in a file on the server, you can use
the COPY statement.
I have an application which query on the pg_shadow view. But the user that I
was provided by my hosting server does have permission to do that.
I checked that only superuser can query in pg_shadow view. But hosting
service provider will not give me superuser permission.
Is there any other
Hi,
i could not found exact steps for using pgp_sym_encrypt() and
pgp_sym_decrypt().
I want to encrypt the data of column and then in a function decrypt that
column using pgp_sym_encrypt() and pgp_sym_decrypt() functions.
Its working fine with postgres 8.4 eg: select
Hi,
Thanks for your response.
Am 07.10.2011 22:05, schrieb Derrick Rice:
On Thu, Oct 6, 2011 at 3:47 AM, Frank Lanitz fr...@frank.uvena.de
mailto:fr...@frank.uvena.de wrote:
Hi folks,
I want to refer to a question Rob did back in 2008 at
On 10 October 2011 10:30, AI Rumman rumman...@gmail.com wrote:
I have an application which query on the pg_shadow view. But the user that I
was provided by my hosting server does have permission to do that.
I checked that only superuser can query in pg_shadow view. But hosting
service provider
Hello,
You gave much too little information. Please see
http://wiki.postgresql.org/wiki/Guide_to_reporting_problems
Especially:
- server version, platform
- vacuum-related settings
It *might* be OID wraparaound.
2011/10/10 Harshitha S hershe...@gmail.com
Hi,
We are the following msg in
Hi,
The postgres server version is 9.0.4 on the Linux platform.
The vaccum - related settings have default values.
If it is OID wrap around, how to resolve it?
Regards,
Harshitha
2011/10/10 Filip Rembiałkowski plk.zu...@gmail.com
Hello,
You gave much too little information. Please see
Hi,
I'm beginner in postgresql and plpgsql and i have the following problem.
I'm trying to check a table if exists or not and when not exists then
create it, but I get a syntax error.
Here is my code:
create or replace function check_table() returns void as
$$
DECLARE
mmonth integer;
yyear
Also, this is the case of first startup of the postgres server.
This msg is shown in the startup logs.
2011/10/10 Harshitha S hershe...@gmail.com
Hi,
The postgres server version is 9.0.4 on the Linux platform.
The vaccum - related settings have default values.
If it is OID wrap around, how
fanlijing wrote:
In Fact, I'm doing a porting project from Oracle 10g to PostgreSQL 9.0.4
There is a procedure in Oracle 10g to write a blob value into a file using:
[...]
I know PostgreSQL doesn't support procedure, so I want to porting it into a
function use LANGUAGE plpgsql.
So I must
Hi,
On 10 October 2011 21:35, József Kurucz jozsef.kur...@invitel.hu wrote:
ERROR: syntax error at or near $1
LINE 1: create table $1 ( )
^
QUERY: create table $1 ( )
CONTEXT: SQL statement in PL/PgSQL function check_table near line 22
I think you have to use
AI Rumman wrote:
I have an application which query on the pg_shadow view. But the user
that I was provided by my
hosting server does have permission to do that.
I checked that only superuser can query in pg_shadow view. But hosting
service provider will not give
me superuser permission.
Is
Dear all,
I need to write a query to select latest rows with timestamp values.
My ID is repeated with lat lon and timestamp. I want the latest row of
each ID ( group by id ).
Snapshot of small dataset :-
3903;661000212;34.300312542;74.470842472;0;2011-10-10
12:47:33.360572
On 10/07/2011 01:21 AM, Sean Laurent wrote:
Within a few seconds of the backup, our application servers start
throwing exceptions that indicate the database connection was closed.
Meanwhile, Postgres still shows the connections and we start seeing a
really high number (for us) of locks in the
On 10/10/2011 08:32 PM, Adarsh Sharma wrote:
Dear all,
I need to write a query to select latest rows with timestamp values.
My ID is repeated with lat lon and timestamp. I want the latest row of
each ID ( group by id ).
[snip]
3911;661000212;26.8491101532852;92.8058205131302;0;2011-10-14
Is it fresh install of PostgreSQL server? What OS, what installer? Did you
run initdb (or pg_ctl initdb), or the installer did it for you?
If you want valuable replies you will really need to describe your full
story. see http://wiki.postgresql.org/wiki/Guide_to_reporting_problems
W dniu 10
On 10/10/2011 04:37 PM, tushar nehete wrote:
Hi,
i could not found exact steps for using pgp_sym_encrypt() and
pgp_sym_decrypt().
I want to encrypt the data of column and then in a function decrypt
that column using pgp_sym_encrypt() and pgp_sym_decrypt() functions.
Its working fine with
Hi Craig :-
Below is the schema of my table :-
CREATE TABLE demo_table
(
id character varying NOT NULL,
lat double precision,
lon double precision,
speed double precision,
dt_stamp timestamp without time zone DEFAULT now(),
CONSTRAINT gps_tracker_pkey PRIMARY KEY (id)
)
WITH (
On Monday, October 10, 2011 3:35:27 am József Kurucz wrote:
Hi,
I'm beginner in postgresql and plpgsql and i have the following problem.
I'm trying to check a table if exists or not and when not exists then
create it, but I get a syntax error.
Here is my code:
create or replace
Hi Guys,
We are new to PostgreSQL world.
But, our company is planning to migrate the one of the existing
application to PostgreSQL from Oracle.
Could you please help us to find answers to the following questions?
1.What version of PostgreSQL is stable at the moment for production?
2.Is
Hello Laurenz Albe
Thank you for your replying.
In Fact, I'm doing a porting project from Oracle 10g to PostgreSQL 9.0.4
There is a procedure in Oracle 10g to write a blob value into a file using:
...
V_TOTAL_SIZE := DBMS_LOB.GETLENGTH(V_BLOB);
V_FILE_TYPE := UTL_FILE.FOPEN('RADIUS_DIR',
On 10/8/2011 1:21 AM, Craig Ringer wrote:
On 10/08/2011 02:23 AM, Jack Christensen wrote:
Just upgraded a machine from PostgreSQL 9.0 to 9.1. I uninstalled the
old version then installed the new one.
Whenever I try to run a service command to start, stop, or restart the
server it fails.
I wrote:
[fanlijing wants to write bytea to file]
A simple
COPY (SELECT byteacol WROM mytab WHERE ...) TO 'filename' (FORMAT
binary)
should do the trick.
Corrections:
a) binary must be surrounded by single quotes.
b) that won't dump just the binary data - you would have
to remove the
Hi all,
I've been using RULES for some time now, and despite the fact, that I
always had to make experiments to have the expected results, it worked
for me just fine.
Now I have this simple scenario:
---
mbr2=# CREATE TEMP TABLE test(a int, b
On Mon, Oct 10, 2011 at 04:06:34PM +0200, Rafal Pietrak wrote:
Hi all,
first of all - why did you send this mail as reply to some 2-weeks old
thread, instead of just start of new thread?
Can someone give a little explenation here ... or point me to for
dummies documentation? (yes, I've been
On Mon, Oct 10, 2011 at 12:57:42PM +0100, Sarma Chavali wrote:
Could you please help us to find answers to the following questions?
1.What version of PostgreSQL is stable at the moment for production?
http://www.postgresql.org/ - shows latest release 9.1.1.
2.Is there any enterprise
On 10 Říjen 2011, 16:50, hubert depesz lubaczewski wrote:
On Mon, Oct 10, 2011 at 12:57:42PM +0100, Sarma Chavali wrote:
Could you please help us to find answers to the following questions?
1.What version of PostgreSQL is stable at the moment for production?
http://www.postgresql.org/ -
On 10/06/11 10:21 AM, Sean Laurent wrote:
We've been running into a particularly strange problem that I'm trying
to better understand. The super short version is that our application
servers lose their connection to the database when I run a backup
during periods of higher load and fail to
On Mon, Oct 10, 2011 at 9:26 AM, Albe Laurenz laurenz.a...@wien.gv.at wrote:
I wrote:
[fanlijing wants to write bytea to file]
A simple
COPY (SELECT byteacol WROM mytab WHERE ...) TO 'filename' (FORMAT
binary)
should do the trick.
Corrections:
a) binary must be surrounded by single
I have two Pg 9.0.x servers and I have recently started using streaming
replication. In monitoring with nagios, I find that almost every day there
comes a point when the standby server experiences a delay in replaying
transactions (by a few thousand). Receiving is up to date. and of course
this
On 10/06/2011 04:48 PM, Richard Price wrote:
...
Does anyone know any companies/individuals in the Bay Area who offer
PostgreSQL consulting services? Any tips or suggestions would be
greatly appreciated!...
Check out the San Francisco Bay Area PostgreSQL Meetup:
Hi Tom,
Tom Lane wrote:
Bosco Rama postg...@boscorama.com writes:
I have a strange disparity between a query that is run as a
straight select and the same query via a cursor. I hope I can
jog someone's memory with the description as I have been unable
to create a sanitized and/or reduced
Hello all,
I have written a script which stops postgres on my standby server, executes
pg_start_backup on the master, rsync's the data directory and tablespaces over
to the standby, executes pg_stop_backup on the master, and attempts to then
start postgresql on the standby. My problem is the
On Mon, Oct 10, 2011 at 11:30 AM, Brandon Phelps bphe...@gls.com wrote:
Hello all,
I have written a script which stops postgres on my standby server, executes
pg_start_backup on the master, rsync's the data directory and tablespaces
over to the standby, executes pg_stop_backup on the master,
Greetings,
Is there a combination of options that will cause a hot standby replica to log
queries that are cancelled due to a replication timeout
(max_standby_streaming_delay)?
--
-- Christophe Pettus
x...@thebuild.com
--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
Bosco Rama wrote:
Tom Lane wrote:
Cursors are biased towards fast-start plans on the theory that you
may not be intending to fetch the whole result. Queries with ORDER BY
and/or LIMIT are particularly likely to see plan changes as a
consequence of that. In 8.4 and up you can frob the
On Mon, 2011-10-10 at 16:48 +0200, hubert depesz lubaczewski wrote:
On Mon, Oct 10, 2011 at 04:06:34PM +0200, Rafal Pietrak wrote:
Hi all,
first of all - why did you send this mail as reply to some 2-weeks old
thread, instead of just start of new thread?
Sorry for that. Old habits...
I'm trying to query the table to extract the single highest value of a
chemical by location and date. This statement gives me all the values per
stream, site, and date:
SELECT str_name, site_id, sample_date, max(quant) FROM chemistry WHERE hydro
= 'Humboldt' group by str_name, sample_date,
On Mon, Oct 10, 2011 at 5:17 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
I'm trying to query the table to extract the single highest value of a
chemical by location and date. This statement gives me all the values per
stream, site, and date:
SELECT str_name, site_id, sample_date,
you are also grouping by sample date, those are the largest values for the
criteria you have set out in the group by.
On Mon, Oct 10, 2011 at 6:17 PM, Rich Shepard rshep...@appl-ecosys.comwrote:
I'm trying to query the table to extract the single highest value of a
chemical by location and
for instance
CalifCrk| CalCrk | 1996-10-18 |188
CalifCrk| CalCrk | 1996-08-23 |183
CalifCrk| CalCrk | 1996-07-29 |201
CalifCrk| CalCrk | 1996-09-27 |185
188 is the biggest number for 1996-10-18 calcrk califcrk, and so on
On Mon, 10 Oct 2011, Merlin Moncure wrote:
remove the sample_date the group by and the select list. by having it in
there you are asking for the max for each specific sample date.
merlin,
That tells me the max quant but not on what date. Do I write a nested
SELECT to get that, too?
On Mon, 10 Oct 2011, Henry Drexler wrote:
you are also grouping by sample date, those are the largest values for the
criteria you have set out in the group by.
Henry,
As I asked Merlin, what is necessary to get the date that maximum quantity
was recorded? A nested SELECT?
Thanks,
Rich
On 10/10/11 3:45 PM, Rich Shepard wrote:
As I asked Merlin, what is necessary to get the date that maximum
quantity
was recorded? A nested SELECT?
the complication is, there can be more than one date with the same
maximum value, so such a query would be ambiguous, or it would return
Should replication cause corruption on the secondary when stopping/starting
the primary? (pg 8.3.12, windows 2008 R2 on both servers)
Everything seems to work OK, but when we trigger the replication server, it
doesn’t pass a reindex. (Errors with can’t create unique indexes due to
duplicate
On Mon, 10 Oct 2011, John R Pierce wrote:
the complication is, there can be more than one date with the same maximum
value, so such a query would be ambiguous, or it would return multiple
rows.
John,
The likelihood of that is diminishingly small.
Thanks,
Rich
--
Sent via pgsql-general
On Mon, Oct 10, 2011 at 6:14 PM, Scott Marlowe scott.marl...@gmail.com wrote:
On Mon, Oct 10, 2011 at 4:17 PM, Rich Shepard rshep...@appl-ecosys.com
wrote:
I'm trying to query the table to extract the single highest value of a
chemical by location and date. This statement gives me all the
On Mon, Oct 10, 2011 at 4:17 PM, Rich Shepard rshep...@appl-ecosys.com wrote:
I'm trying to query the table to extract the single highest value of a
chemical by location and date. This statement gives me all the values per
stream, site, and date:
SELECT str_name, site_id, sample_date,
On 10/10/2011 05:52 PM, Rich Shepard wrote:
On Mon, 10 Oct 2011, John R Pierce wrote:
the complication is, there can be more than one date with the same
maximum
value, so such a query would be ambiguous, or it would return multiple
rows.
John,
The likelihood of that is diminishingly
On 10/10/11 4:12 PM, Bob Hatfield wrote:
Should replication cause corruption on the secondary when
stopping/starting the primary?
I wasn't aware 8.3 had any built in replication? what sort of
replication add-ons are you using?
--
john r pierceN 37, W 122
santa
Hi all,
Had to squash timestamps to the nearest 5 minutes and things went wrong.
My simple understanding of trunc() and casting to an integer says that
there is a bug here.
Expect it is my understanding though.
Can someone set me straight?
And thank you all for a wonderfull RDBMS.
Allan
.How are you! I think you’ll like it! Read this message!
http://www.lecki.boo.pl/com.friend.php?imiID=67ez3
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To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general
On 10/10/11 19:57, Sarma Chavali wrote:
Hi Guys,
We are new to PostgreSQL world.
But, our company is planning to migrate the one of the existing
application to PostgreSQL from Oracle.
Could you please help us to find answers to the following questions?
1.What version of
On 10/10/11 23:29, John R Pierce wrote:
While xfs_freeze is in effect, all writes are blocked. This is NOT
what you want to do here, postgres does NOT expect you to take an
atomic snapshot of the database files, rather, by bracketing your
backup with pg_start_backup and pg_stop_backup, it
On Mon, Oct 10, 2011 at 8:25 PM, Craig Ringer ring...@ringerc.id.au wrote:
On 10/10/11 19:57, Sarma Chavali wrote:
Hi Guys,
We are new to PostgreSQL world.
But, our company is planning to migrate the one of the existing
application to PostgreSQL from Oracle.
Could you please help us
Any update on the below query :-
I tried the below query but :-
*
select bb_id,lat,lon,max(dt_stamp) from gps_tracker group by bb_id;
*
ERROR: column gps_tracker.lat must appear in the GROUP BY clause or
be used in an aggregate function
LINE 1: select bb_id,lat,lon,max(dt_stamp) from
On 10/10/11 7:44 PM, Craig Ringer wrote:
If blocking writes causes a server failure that persists once writes
have been unblocked, that's a bug IMO. You might have a bit of a backlog
of writes to clear, but after that all should be well, and if it isn't
then something needs fixing.
the process
Thanks Craig, but I solved the issue by the below query :-
Here is the query for that :-
select bb_id,lat,lon,speed,dt_stamp from demo_table
inner join
(select bb_id as did, max(dt_stamp) as ts
from demo_table group by bb_id) as ds
on demo_table1.bb_id = ds.did and demo_table1.dt_stamp =
On 11/10/11 12:48, John R Pierce wrote:
On 10/10/11 7:44 PM, Craig Ringer wrote:
If blocking writes causes a server failure that persists once writes
have been unblocked, that's a bug IMO. You might have a bit of a backlog
of writes to clear, but after that all should be well, and if it isn't
On 11/10/11 12:55, Adarsh Sharma wrote:
Thanks Craig, but I solved the issue by the below query :-
Here is the query for that :-
select bb_id,lat,lon,speed,dt_stamp from demo_table
inner join
(select bb_id as did, max(dt_stamp) as ts
from demo_table group by bb_id) as ds
on
Hi Guys,
We are new to PostgreSQL world.
But, our company is planning to migrate the one of the existing
application to PostgreSQL from Oracle.
2.Is there any enterprise version available with all features?
The free PostgreSQL comes with all available features; it's not a lite
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