, the basic sales
tax rate in Los Angeles is 9.75%, so 0.0975. (There are other
subtleties in sales tax calculation in California; feel free to ask
off-list if you want more utterly non-PostgreSQL-related detail. :) )
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INTO test.test VALUES (1)
into a NUMERIC(5,1), what you are doing is inserting:
INSERT INTO test.test VALUES (1.0)
1.0 has six significant digits, rather than five, so the insert
fails.
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A quick check of the source code (src/backend/utils/adt/numeric.c)
shows it's base 1, each digit represented as an int16. It's not
strictly speaking BCD, but there's no computational difference.
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On Oct 4, 2009, at 7:09 PM, Guy Rouillier wrote:
There is no reason why PG could not support packed decimal.
Is that not NUMERIC?
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that you can install exactly what you
want (so, no being stuck with PG 8.0, for example).
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Of course, one can create a user that has no useful privileges on a
particular database, but is there a way of limiting a user to being
able to log into only a single one of, or a subset of, the databases
in a cluster?
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On Sep 26, 2009, at 11:29 AM, Christophe Pettus wrote:
Of course, one can create a user that has no useful privileges on a
particular database, but is there a way of limiting a user to being
able to log into only a single one of, or a subset of, the databases
in a cluster?
Like, say
Hi all,
I've a problem on a heavy loaded database: vacuums don't work since
about a week. All I got is:
mybase=# vacuum verbose analyze public.mytable;
INFO: vacuuming public.mytable
(I stop it after hours)
Looking with top and iotop, I see the process takes some cpu and disk io
time
Alvaro Herrera a écrit :
Jean-Christophe Praud wrote:
Hi all,
I've a problem on a heavy loaded database: vacuums don't work since
about a week. All I got is:
mybase=# vacuum verbose analyze public.mytable;
INFO: vacuuming public.mytable
(I stop it after hours)
Looking with top and iotop
Tom Lane a écrit :
Jean-Christophe Praud j...@steek.com writes:
I've a problem on a heavy loaded database: vacuums don't work since
about a week. All I got is:
mybase=# vacuum verbose analyze public.mytable;
INFO: vacuuming public.mytable
(I stop it after hours)
Looking
Tom Lane a écrit :
Jean-Christophe Praud j...@steek.com writes:
Indeed, the tables I tried to vacuum have locks on them.
AccessShareLock belonging to queries which seem sleeping. I tried to
kill these queries but pg_cancel_backend() has no effect, and the
process doesn't get the 15 signal
the $BODY$ when writing the function? In other
words: why to use the $ sign?
Regards
Bilal
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arbitrarily embedded in the text, or are they delimited in
some regular way)? If they are words, you might consider using the
full text functionality to create an index of them, and searching
using that.
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On Aug 23, 2009, at 7:47 AM, Andrew Cooper wrote:
An employee can only have 1 manager/supervisor but the hierarchy can
be varying depths.
Traditionally, that's done by having a supervisor field as part of
the employee record, with either NULL or a special marker value to
indicate no
, but it
wasn't significant enough to be a problem.)
Hope this helps!
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Greetings,
The video of the August 11, 2009 SFPUG talk, featuring David Fetter's
presentation on windowing and common table expressions, is now up:
http://thebuild.com/blog/2009/08/13/sfpug-windowing-and-common-table-expressions/
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solution. You might want to take a look at check_postgres:
http://bucardo.org/check_postgres/
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On Jul 28, 2009, at 11:24 PM, mukeshp wrote:
Can anyone suggest me tools for monitoring postgresql server. ?
As it happens, there was a talk about that very topic on PG day:
Check Please! What Your Postgres Databases Wishes You Would Monitor /
Robert Treat / OmniTI
On Jul 28, 2009, at 7:17 AM, Andreas Wenk wrote:
another good approach. I understand the point of view. But this
menas to download the files anyway because playing mpeg files in the
browser is the same as with mov files - I think.
Historically, MOV has been the least-bad container format;
the way back to IE6. A nice example of fallback code is
available at:
http://camendesign.com/code/video_for_everybody
Now, Joshua Drake has often uploaded these videos to Vimeo, thus
giving everyone an in-browser channel as well.
Thanks!
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On Jul 28, 2009, at 3:55 PM, Greg Stark wrote:
In reality I would be pretty happy with any page that had a link at
the bottom to download an mpeg format file with H.264 data in it that
mplayer can play.
Well, mplayer claims it can play MOV, and the files are H.264, so
assuming the mplayer
/pgday-sjc-09/pgday-sjc-09-lightning.mov
Many thanks to Steve Crawford for the audio system and assistance with
setup, tear-down, and coordination during the event.
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To make changes
I'm moving from a long time in BSD-land to using Linux. I've always
been in the habit of building PostgreSQL from the source tarballs. On
Linux, is there an advantage either way to using the RPMs as opposed
to building from source? Thanks!
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On Jul 23, 2009, at 12:11 PM, Steve Atkins wrote:
They asked me to open up my firewall to them, pointing at a fake
server, just so they'd have something to audit, after failing our
audit because we only allowed access to the application from inside
our firewall.
I'm glad it wasn't just
On Jul 20, 2009, at 6:56 PM, Dennis Gearon wrote:
I once talked to a company that made a custome version of Postgres.
It split tables up on columns and also by rows, had some other
custome features. It was enormously faster from what I gathered.
I could of sworn it began with the letter
On Jun 11, 2009, at 1:23 PM, James B. Byrne wrote:
Given a datetime column, not null, is there a single syntax that
permits searching for all dates in a given year, year+month, and
year+month+day such that a single parameterised query can handle all
three circumstances?
Well, of course, in a
Greetings,
The video from the June 9, 2009 SFPUG meeting, PostgreSQL as a secret
weapon for high-performance Ruby on Rails applications, is now
available for viewing or download from the media.postgresql.org server:
http://media.postgresql.org/sfpug/sfpug-rails-20090609.mov
Thanks,
--
On Jun 10, 2009, at 6:27 PM, Chris wrote:
Can you list the filesizes on http://media.postgresql.org/sfpug/
please?
Josh Berkus handles that page, but I think that's a splendid idea.
This particular video file is about 403MB.
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On May 27, 2009, at 3:25 PM, Greg Smith wrote:
Interesting and an extremely common request. I just added an item
to the Vacuum section of the TODO list while you were listing issues
and potential solutions here: Provide more information in order to
improve user-side estimates of dead
On May 24, 2009, at 8:58 AM, Craig Ringer wrote:
There isn't currently any REINDEX CONCURRENTLY
option, but people seem to have a few workarounds that do the job if
you
really do need to rebuild an index on a live, active table.
It's pretty straight-forward to do:
CREATE INDEX
On May 23, 2009, at 9:13 AM, Daniel Verite wrote:
I don't know why this query returns false:
SELECT '20040506 070809.01'::timestamp(6) - '20010203
040506.007000'::timestamp(6) = '1188 day 3 hour 3 minute 3 second 3
millisecond'::interval;
If I just subtract the two timestamps, its result is
On May 23, 2009, at 10:44 AM, Havasvölgyi Ottó wrote:
Thanks.
I tested the standard Win32 distribution of 8.3.6.
The same happens on 8.2. But on 8.0 it works.
When I don't use milliseconds, then it works.
Will 8.4 work fine on Win32 again?
If the issue is using floating point timestamps,
Greetings,
The video from the May 12, 2009 SFPUG meeting, BIRT PostgreSQL, is
now available for viewing or download from the media.postgresql.org
server:
http://media.postgresql.org/sfpug/sfpug-birt-20090512.mov
Thanks,
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On May 8, 2009, at 9:51 AM, Gauthier, Dave wrote:
This gets rid of the header and footer OK. But there is still a
blank line as the first line in stdout. Also, each record has a
preceding space before the column value.
Is there a way to do what I want?
sed?
On May 8, 2009, at 11:25 AM, John R Pierce wrote:
you read your tables by column, rather than by row??
SQL queries are inherently row oriented, the fundamental unit of
storage is a 'tuple', which is a representation of a row of a table.
I believe what is referring to is the disk storage
On May 6, 2009, at 10:47 AM, Gauthier, Dave wrote:
Is there a way to read an XML file into a postgres DB? I’m thinking
that it will create and relate whatever tables are necessary to
reflect whatever’s implied by the XML file structure.
There's no built-in functionality that does what
On Apr 27, 2009, at 7:00 AM, Robert Pepersack wrote:
My agency has a contractor that created a PostgreSQL database that
he calls object-oriented. I noticed that the contractor has more
than one value in a column separated by commas. In the relational
world, this obviously violates first
On Apr 21, 2009, at 12:28 PM, Peter Eisentraut wrote:
Yes, but if you are asking that question, you probably really want
to use
TRUNCATE.
The advantage of DROP TABLE being, of course, that DROP TABLE is
transactionally-safe, while TRUNCATE is not.
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On Apr 21, 2009, at 1:20 PM, Tom Lane wrote:
They're both going to drop data that
might conceivably be visible in the snapshot of some concurrent
transaction that hasn't yet touched the table (else it would have
lock)
but might wish to do so later.
Unless I'm deeply misunderstanding
On Apr 21, 2009, at 1:36 PM, Tom Lane wrote:
I was thinking of MVCC semantics, which is a different issue.
Indeed so, my error. This is a bit of a drift off-topic, but
rereading the docs, I'm now having trouble visualizing the real-world
effect of the non-MVCC-safeness of TRUNCATE. A
On Apr 21, 2009, at 2:15 PM, Jeff Davis wrote:
In Session1, the serializable transaction sees an empty version of
bar,
even though it had tuples in at the time Session1 got its serializable
snapshot.
Indeed so, and I understand that part. But since Session1 didn't try
to access 'bar', it
Greetings,
The video from the April 8, 2009 SFPUG meeting, PostgreSQL in the
Cloud, is now available for viewing or download from the
media.postgresql.org server:
http://media.postgresql.org/sfpug/sfpug-cloud-20090408.mov
Thanks to Josh Berkus for his organizational talents, and Dirk
On Apr 13, 2009, at 1:59 PM, Ivan Sergio Borgonovo wrote:
wget says it is a 1Gb file.
Is there anything smaller?
Since I have the master right here, I'll be happy to reencode it to a
smaller size (250mb is probably the reasonable lower limit before the
video quality reaches the point that
On Apr 13, 2009, at 2:54 PM, Joshua D. Drake wrote:
Yes Vimeo can download and I will have it up soon.
Thank you! My work here is done. :)
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On Apr 11, 2009, at 10:15 AM, li...@mgreg.com wrote:
So, how does needing to connect to a database before querying about
existing databases make any sense?
Well, you have to connect to the database server, no matter what, in
order to check on the existence of a database (unless you are
On Mar 23, 2009, at 1:41 PM, Jeremy Harris wrote:
Because equality is not well-defined for real values?
That was my first thought, too, but why would two identical real
literals evaluate to different bit patterns?
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To
What I've done in the past in this situation is to create a separate
field with the text normalized to whatever the search form is (all
lower case, accents stripped, etc.), and then index and search that
from the application.
Although I've not tried it, a functional index that did the same
On Mar 18, 2009, at 11:24 AM, Alvaro Herrera wrote:
Hmm, if to_ascii() doesn't work, that's something worth some research.
Maybe the encoding config is broken, for example.
The docs say to_ascii() only works with LATIN1, LATIN2, LATIN9, and
WIN1250; maybe convert('string', 'UTF-8',
On Mar 17, 2009, at 9:57 PM, Joshua D. Drake wrote:
It is also on Vimeo:
http://www.vimeo.com/3732938
Joshua D. Drake
Thanks!
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Hi,
The video is now available for download! You can find it at:
http://blog.thebuild.com/sfpug/sfpug-unison-20090311.mov
Thanks,
-- Christophe
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On Mar 13, 2009, at 11:59 AM, Joshua D. Drake wrote:
Wait, actually a good BBU RAID controller will disable the cache on
the
drives. So everything that is cached is already on the controller vs.
the drives itself.
Or am I missing something?
Maybe I'm missing something, but a BBU controller
On Mar 11, 2009, at 5:51 PM, CaT wrote:
Will there be a saved version of this available for later viewing?
Don't
make me choose between steak and beer and postgres. 8(
Yes! I'll announce it here when it's available.
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On Mar 4, 2009, at 9:54 AM, Joshua D. Drake wrote:
Not sure what the complainer is talking about here. pgsql-announce is
moderated so spam should be almost nil.
I'm not 100% sure what Twitter spam *is*, for that matter.
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On Feb 15, 2009, at 2:47 PM, Stuart McGraw wrote:
I just hoping for some confirmation that the permissions based
approach did not have some holes in it that I am
not seeing.
Another possibility is to create a set of functions that contain the
query operations you would like to allow,
Hi
Why don't use pgAgent http://pgadmin.org/docs/dev/pgagent.html ?
Regards,
Christophe Chauvet.
Tino Wildenhain a écrit :
Hi,
searchelite wrote:
...
i can use pg_sleep..but i have thousands of data to be inserted..is
there
any better way using pg_sleep?
I wonder what is you complete
Playing the straight man, I have to ask: Scalability issues with locks
in PG vs Oracle?
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I believe the
coverage is reasonable.
Sorry for the inconvenience and thanks a lot for your help.
-
Koichi Suzuki
2008/11/18 Jean-Christophe Arnu [EMAIL PROTECTED]:
Hi,
I'm trying to use lesslog 1.1 (out of NTT rpm available on pgfoundry) on
my
pg_xlog files out of a 8.3.3
On Nov 20, 2008, at 1:21 PM, Tom Lane wrote:
See the fine manual, for instance last para here:
http://developer.postgresql.org/pgdocs/postgres/queries-with.html
Fine manual indeed... this the best explanation of WITH RECURSIVE
I've ever read. Kudos to the documentation writer(s).
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(a
bunch of) for my test purpose are the ones on the remote node, they should
be exactly the same as the one on the server.
Thanks by advance for any ideao!
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allowing to
pre-process WAL file (thus customizing CustomizableNextWALFileReady
function?), this might be usefull for other issues or use cases than
pg_lesslog but it applies quite good to it :)
What are your thoughts for each of these points?
Thanks,
--
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On Oct 30, 2008, at 8:10 AM, Grzegorz Jaśkiewicz wrote:
up to 8.3 it was massively slower on raid1 (software raid on
linux), starting from 8.3 things got lot lot better (we speak 3x
speed improvement here), but it still isn't same as on 'plain' drive.
I'm a bit surprised to hear that; what
On Oct 30, 2008, at 2:54 PM, Gregory Stark wrote:
Wouldn't it be just as good to indicate to the archive command the
amount of
real data in the wal file and have it only bother copying up to
that point?
Hm! Interesting question: Can the WAL files be truncated, rather
than zeroed,
On Oct 28, 2008, at 4:03 PM, Steve Atkins wrote:
Installing from source means I can avoid the fragility of macports
or fink, and know that I've built it in much the same way as the
postgresql or solaris installation I'd be using for production.
+1
It means I can easily pick the contrib
On Sep 25, 2008, at 1:05 PM, Casey Allen Shobe wrote:
As for the expectation above - could pl/pgsql be made compilable?
Without getting into the argument as to the level of security
provided, it strikes me that a reasonable approach would be a non-
core pluggable language which accepts
On Sep 4, 2008, at 11:34 AM, Akhtar Yasmin-B05532 wrote:
I am really stuck here. And need to get a way thru all of this.
Any suggestions will be really appreciated.
Have you confirmed that the user that you are logged in as when you
attempt to start Postgres has write access to
On Aug 31, 2008, at 7:44 PM, Guy Rouillier wrote:
CTOs/CIOs like to sleep at night.
If you buy Oracle, and there's a problem, the conversation with the
CEO is that Oracle broke. With PG, even if you have exactly the
same level of support, that database you selected broke.
The sad
On Aug 30, 2008, at 6:26 AM, Albretch Mueller wrote:
Well, then obviously there is the need for it and you were not
successful enough at convincing these developers that they were
confusing postgresql with a spreadsheet program
The behavior you are looking for is typical of a spreadsheet,
On Aug 30, 2008, at 10:33 AM, Albretch Mueller wrote:
well, yeah! I would totally agree with you, but since I doubt very
much COPY FROM CSV is part of the SQL standard to beging with, why
not spice it up a little more?
I'd guess that coming up with a general algorithm to guess the type
You have made clear to me why my attempt for a RFE for COPY FROM CVS
has found some technical resistance/disagreement, but I still think my
idea even if not so popular for concrete and cultural reasons makes at
least sense to some people
It's a perfectly reasonable problem to want to solve;
On Aug 28, 2008, at 3:23 PM, D. Dante Lorenso wrote:
I use RETURNING for all my insert and UPDATE statements now.
Usually I'll return the primary key for the table, but sometimes I
return a column that is created by one of my triggers. It's
awesome to be able to do this in one query.
On Aug 28, 2008, at 3:21 PM, Matthew Dennis wrote:
I have no doubt that someone would complain about it, but I think
it's better than the alternative.
Determining if changing any function will cause an index to break is
not a straight-forward problem. I don't believe that PG right now
On Aug 28, 2008, at 5:49 PM, Matthew Dennis wrote:
Yes, I can see that would indeed be a problem. Are there future
plans to start tracking such dependencies? It seems like it would
be a good idea in general.
I believe the EXECUTE statement would thwart such plans.
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On Aug 28, 2008, at 6:10 PM, Matthew Dennis wrote:
I'm not sure I follow. Couldn't you track which statements were
prepared that called a function and either reprepare (just like
reindex, recheck, etc) or in the case of dropping a function,
refuse to drop it because something depends on
On Aug 28, 2008, at 6:51 PM, Alvaro Herrera wrote:
Also, you have to keep in mind that we support pluggable
languages. The
function's source code is just an opaque string.
Oh, ouch, right.
I think that this is one of those cases where it's better that we
simply advertise: BE AWARE OF
On Aug 28, 2008, at 7:04 PM, Matthew Dennis wrote:
The plpgsql execute statement, as I understand it, means take this
string and execute like a client sent it to you.
Of course, the string could come from anywhere. There's no inherent
reason that I can think of (except good taste) that you
On Aug 28, 2008, at 7:22 PM, Matthew Dennis wrote:
Yes, but in the case of pluggable languages, you still load
something that constitutes the source. In the case of PL/Java,
the jar for example.
This would mean that, for example, if you changed any single function
(no matter how distant
On Aug 26, 2008, at 7:10 PM, Anderson dos Santos Donda wrote:
How I can connect a postgre database on another postgre database,
and manipulate the datas on both database?
There is a module in contrib just for such a purpose:
http://www.postgresql.org/docs/8.3/interactive/dblink.html
On Aug 15, 2008, at 1:47 PM, Raymond O'Donnell wrote:
For functions return SETOF any type, you need to use the following
idiom:
Or, you can use,
RETURN QUERY your query here
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I'm startled that I've never done this before, but... I have a PL/
pgSQL function that takes no arguments, returns VOID, and has a bunch
of side effects on the database. The correct way of invoking this
function is:
SELECT my_func();
... yes? Thanks; it seems to work fine, but
On Aug 3, 2008, at 1:18 PM, [EMAIL PROTECTED] wrote:
ERROR: function uuid_ns_url() does not exist
Remember to install the functions in your database using the SQL file
in the contrib/uuid-ossp directory, uuid-ossp.sql.
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My apologies if this is in the docs and I missed it, but is there a
PL/pgSQL function equivalent for the pglib function
PQtransactionStatus (i.e., a way to find out if we're in an open
transaction block, and if that transaction is in an error status)?
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On Jul 31, 2008, at 11:12 AM, Richard Huxton wrote:
A pl/pgsql function *always* executes within a transaction.
Indeed so. What I'm looking for is a way of detecting if a
transaction block has been opened (i.e., we're within a BEGIN).
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On Jul 31, 2008, at 11:49 AM, Alvaro Herrera wrote:
Why does it matter?
I'm attempting to clean out a connection that is in an unknown
state (along the lines of what pgpool does when reusing an open
connection). Of course, I could just fire an ABORT down, but it
seems nicer to avoid
On Jul 31, 2008, at 11:49 AM, Alvaro Herrera wrote:
Why does it matter?
Ah, I see, deep confusing on my part regarding PL/pgSQL and
tranasctions! Ignore question. :)
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On Jul 29, 2008, at 1:24 PM, Rob Richardson wrote:
I was asked how to automate the procedure,
and I couldn't answer.
The options are manifold!
http://www.postgresql.org/docs/8.3/interactive/backup.html
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On Jul 29, 2008, at 2:35 PM, Tom Lane wrote:
No, he does need an OPEN.
Really? I thought that PG didn't use OPEN:
The PostgreSQL server does not implement an OPEN statement for
cursors; a cursor is considered to be open when it is declared.
On Jul 29, 2008, at 4:51 PM, Klint Gore wrote:
It's different in PL/pgSQL.
Ah, yes, sorry, didn't catch that it was a PL/pgSQL function.
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On Jul 28, 2008, at 9:16 AM, Bob Pawley wrote:
I haven't been able to find much information on Fetch for Update.
Does 8.3 support this command??
Postgres doesn't have an explicit FETCH FOR UDPATE. You can either
create the cursor with SELECT FOR UPDATE, or UPDATE the row in the
cursor
On Jul 25, 2008, at 11:20 AM, Andrew Sullivan wrote:
On Fri, Jul 25, 2008 at 01:41:50PM -0400, Jonathan Bond-Caron wrote:
I'd say the Web is just and always was a hack
I have to object to this pretty strongly.
He has a point, though. If you were starting out to build a user
interface
On Jul 9, 2008, at 6:38 AM, Adrian Moisey wrote:
I would like to be able to mark a point in my postgres database.
After that I want to change a few things and rollback to that
point. Does postgres support such a thing? Is it possible for me
to do this?
This seems to be exactly what
On Jul 9, 2008, at 4:32 PM, Swaminathan Saikumar wrote:
Hello,
I created a Postgres table with a UUID. I want the UUID to be
populated by default.
PostgreSQL doesn't have built-in functions for generating UUIDs, but
there is a module in contrib that will do so:
On Jul 7, 2008, at 12:22 PM, aravind chandu wrote:
I need to store an image in postgresql database and after
that i need to retrive the image back.Can you please help me how to
do this?
Assuming you mean an image as in a binary visual image (like a JPEG),
the data type you want
Is it a way to filter the database list on the tables containt in the
database ?
Thanks.
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You'll need to get a particular revision of MediaWiki that is PG 8.3
compatible:
http://people.planetpostgresql.org/greg/index.php?/archives/123-
MediaWiki-is-Postgres-8.3-compatible.html
Once that's done, it works fine (at least for me).
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Yet another option, of course, is to simply not do any calculations
in PostgreSQL, and accept the results from Excel as definitive...
which seems to be what is desired, anyway.
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On May 3, 2008, at 9:29 PM, Patrick TJ McPhee wrote:
How about something along the lines of
BEGIN;
ALTER TABLE log RENAME to log_old;
CREATE TABLE log(...);
COMMIT;
BEGIN;
LOCK table log_old;
COPY log_old TO 'filename-path';
DROP TABLE log_old;
COMMIT;
I believe this will keep the writers
Hi,
I will have a log table which, once a day or so, is copied to a file
(for movement to a data warehouse), and the log table emptied. For
performance, the log table on the production system has no indexes,
and is write-only. (The unload process is the only reader.)
To unload it, I
On May 3, 2008, at 9:56 AM, Tom Lane wrote:
This is
a great deal less efficient than TRUNCATE, but it's secure for
concurrent insertions, which TRUNCATE is definitely not.
Exactly my question; thank you!
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To make
For a database that big, you might consider using the WAL archiving
strategy and shipping the WAL files offsite:
http://www.postgresql.org/docs/8.3/interactive/continuous-
archiving.html
On Apr 23, 2008, at 8:14 AM, Gabor Siklos wrote:
I need to back up our database off-site for disaster
On Apr 22, 2008, at 1:45 PM, D. Dante Lorenso wrote:
So, the advice here is don't use ENUM?
I think it's more Don't use ENUM for a type that you are planning to
extend.
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