On Tue, May 12, 2009 at 2:21 AM, Pavel Stehule pavel.steh...@gmail.com wrote:
Moreover, I guess you don't even need to buffer tuples to aggregate by
different keys. What you have to do is only to prepare more than one
hash tables (, or set up sort order if the plan detects hash table is
too
On Mon, May 11, 2009 at 21:18, Tom Lane t...@sss.pgh.pa.us wrote:
However, he can do that anyway via ALTER TABLE, which
will happily take out AccessExclusiveLock before it checks any
permissions. So I'm not seeing the point of risking unsafe behavior
in LOCK TABLE.
I would rather fix ALTER
On Tue, May 12, 2009 at 14:40, Alex Hunsaker bada...@gmail.com wrote:
Hrm on second thought I think your right. They only get the lock
until the permission check, and I have a hard time seeing how someone
can take real advantage of that. The owner that is trying to lock
table should get the
After taking look at our monitoring system i think some hint about previous
SQL might be useful.
dbadb70db_nameWARNING1long transactions, duration
2690min user=postgres pid=7887 waiting=False query=IDLE in transaction
Currently i have no idea what exactly did i kill without
Hi,
On Tue, May 12, 2009 at 8:15 PM, Heikki Linnakangas
heikki.linnakan...@enterprisedb.com wrote:
Fujii Masao wrote:
On Thu, Apr 23, 2009 at 4:49 PM, Heikki Linnakangas
heikki.linnakan...@enterprisedb.com wrote:
This is getting complicated, though. I guess it would be enough to
document
Fujii Masao wrote:
On Tue, May 12, 2009 at 8:15 PM, Heikki Linnakangas
heikki.linnakan...@enterprisedb.com wrote:
Here's another idea: Let's modify xlog.c so that when the server asks for
WAL file X, and restore_command returns not found, the server will not ask
for any WAL files = X again (in
Hello,
I posted to the general list, and didn't receive any replies. Therefore, I am
trying this list now, hopefully this is the right mailing list for this type of
questions.
I am trying to compute the no of pages of a table. I am using the formula :
pages = ( columns width + 28) * no.
Hi,
In pgsql/src/interfaces/libpq/fe-exec.c, there are two variables:
-
static int static_client_encoding = PG_SQL_ASCII;
static bool static_std_strings = false;
If enable_thread_safety is no, how to insure libpq(dll/so) for
thread-safety?
thanks
wjzeng
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Robert Haas robertmh...@gmail.com writes:
But that leads me to a question - does the existing HashAggregate code
make any attempt to obey work_mem?
No.
regards, tom lane
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To make changes to your
Alex Hunsaker bada...@gmail.com writes:
FWIW i just tested this with ~100 clients doing begin; ALTER TABLE
test_lock ADD COLUMN commit; here is the timing. Is there some other
concern that im not seeing?
The situation where someone quickly acquires the lock isn't much of an
issue, because
hello everybody,
from my side the goal of this discussion is to extract a consensus so
that we can go ahead and implement this issue for 8.5.
our customer here needs a solution to this problem and we have to come
up with something which can then make it into PostgreSQL core.
how shall we
On Wed, May 13, 2009 at 06:29:41AM +0200, Pavel Stehule wrote:
2009/5/13 Joshua Tolley eggyk...@gmail.com:
On Tue, May 12, 2009 at 11:20:14PM +0200, Pavel Stehule wrote:
this patch has some bugs but it is good prototype (it's more stable
than old patch):
I'm not sure if you're at the
2009/5/13 Joshua Tolley eggyk...@gmail.com:
On Wed, May 13, 2009 at 06:29:41AM +0200, Pavel Stehule wrote:
2009/5/13 Joshua Tolley eggyk...@gmail.com:
On Tue, May 12, 2009 at 11:20:14PM +0200, Pavel Stehule wrote:
this patch has some bugs but it is good prototype (it's more stable
than old
Hi,
I have a script that automatically generates the SQL to create some
views. I'd like it to check whether its generated SQL matches the SQL
returned by select definition from pg_views where I've guessed
most of the rules just by looking at the output, but I was surprised
to find that some
Hi,
I'm having 'service' issues too:
Windows XP SP3
user account used for service is not a member of admin group.
Errors starting service, but dbengine is started and available.
If i try to stop/start with the pgctl batch files created during install,
same type of problem...
PC had 8.2-5.1
On May 13, 11:31 am, Kev kevinjamesfi...@gmail.com wrote:
Hi,
I have a script that automatically generates the SQL to create some
views. I'd like it to check whether its generated SQL matches the SQL
returned by select definition from pg_views where I've guessed
most of the rules just
Kevin Field kevinjamesfi...@gmail.com wrote:
One other thing I'm just curious about, != gets replaced with
...how come? (Feels more VB-ish than C-ish, so I was surprised
that that would be the official/preferred reconstruct)
is the SQL standard operator. != is a PostgreSQL extension,
Kevin Field wrote:
One other thing I'm just curious about, != gets replaced with
...how come? (Feels more VB-ish than C-ish, so I was surprised
that that would be the official/preferred reconstruct)
is the official SQL standard notation for not equals, AFAIK. != is not.
cheers
Kev kevinjamesfi...@gmail.com writes:
... I was surprised
to find that some of my views of the form:
select.from b left join a on a.id=b.id
...were being translated to this:
SELECT..FROM (B LEFT JOIN a ON ((a.id = b.id)))
...before being stored in the table pg_views is
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
I don't think we're going to get this to work reliably without extending
the interface between the backend and restore_command. We've discussed
many methods and there's always some nasty corner-case like that.
I think we should
On Wed, 2009-05-13 at 13:01 -0400, Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
I don't think we're going to get this to work reliably without extending
the interface between the backend and restore_command. We've discussed
many methods and there's
Simon Riggs si...@2ndquadrant.com writes:
I will set-up pg_standby as an external module and we can change it from
there. No more discussions-for-8.4 and I can update as required to
support each release. So let's just remove it from contrib and be done.
Huh? The proposed fix involves a
Simon Riggs wrote:
I will set-up pg_standby as an external module and we can change it from
there. No more discussions-for-8.4 and I can update as required to
support each release. So let's just remove it from contrib and be done.
Counterthoughts?
We're in Beta. You can't just go yanking
Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
I don't think we're going to get this to work reliably without extending
the interface between the backend and restore_command. We've discussed
many methods and there's always some nasty corner-case like that.
I
On Wed, 2009-05-13 at 14:14 -0400, Andrew Dunstan wrote:
pg_standby is useful and needs to be correct. And its existence as a
standard module is one of the things that has made me feel confident
about recommending people to use the PITR stuff. I'll be very annoyed if
it were to get pulled.
On Wed, May 13, 2009 at 03:12:51PM +0200, Pavel Stehule wrote:
2009/5/13 Joshua Tolley eggyk...@gmail.com:
On Wed, May 13, 2009 at 06:29:41AM +0200, Pavel Stehule wrote:
2009/5/13 Joshua Tolley eggyk...@gmail.com:
On Tue, May 12, 2009 at 11:20:14PM +0200, Pavel Stehule wrote:
this patch
On Wed, 2009-05-13 at 21:26 +0300, Heikki Linnakangas wrote:
I think we should fix it for 8.4.
Agreed.
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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To make changes to your
Simon Riggs wrote:
On Wed, 2009-05-13 at 13:01 -0400, Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
Does someone want to take a stab at writing a patch for that?
No, not if there is a likelihood the work would be wasted.
There always is.
(I would've wrote
Andrew Dunstan wrote:
We're in Beta. You can't just go yanking stuff like that. Beta testers
will be justifiably very annoyed.
Please calm down.
pg_standby is useful and needs to be correct. And its existence as a
standard module is one of the things that has made me feel confident
about
On Wed, 2009-05-13 at 14:14 -0400, Andrew Dunstan wrote:
pg_standby is useful and needs to be correct.
My suggestion was designed to provide this. A misunderstanding.
And its existence as a
standard module is one of the things that has made me feel confident
about recommending people to
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
Tom Lane wrote:
Does this conclusion mean that changing pg_standby is no longer
on the table for 8.4? It certainly smells more like a new feature
than a bug fix.
This whole thing can be considered to be a new feature. It's
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
That's a lot more drastic change to make in beta. Besides, the proposed
fix required backend changes. I think we should keep it in contrib. (At
least for this release: If we get more integrated replication options in
8.5, that
Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
That's a lot more drastic change to make in beta. Besides, the proposed
fix required backend changes. I think we should keep it in contrib. (At
least for this release: If we get more integrated replication
On Wed, 2009-05-13 at 14:53 -0400, Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
Tom Lane wrote:
Does this conclusion mean that changing pg_standby is no longer
on the table for 8.4? It certainly smells more like a new feature
than a bug fix.
This
Simon Riggs wrote:
On Wed, 2009-05-13 at 14:53 -0400, Tom Lane wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
Tom Lane wrote:
Does this conclusion mean that changing pg_standby is no longer
on the table for 8.4? It certainly smells more like a new feature
than a bug
Hello,
thank you for posting the paper, it was quite interesting to read. I
think it would be a good idea to give the two-phase optimization a try.
As far as I know and understand the current (geqo) optimizer source,
many important parts are already there. For example, we can calculate
the costs
Alvaro Herrera alvhe...@commandprompt.com writes:
It seems that if you load libxml into a backend for whatever reason (say
you create a table with a column of type xml) and then create a plperlu
function that use XML::LibXML, we get a segmentation fault.
I've applied a patch for this in HEAD.
On Wed, May 13, 2009 at 4:14 PM, Tobias Zahn tobias-z...@arcor.de wrote:
Hello,
thank you for posting the paper, it was quite interesting to read. I
think it would be a good idea to give the two-phase optimization a try.
As far as I know and understand the current (geqo) optimizer source,
On Wed, 2009-05-13 at 15:05 -0400, Andrew Dunstan wrote:
Frankly, if anything it should move from contrib to the core proper. I
regard it as an essential utility, not an optional extra.
I like that idea.
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and
On Wed, 2009-05-13 at 21:26 +0300, Heikki Linnakangas wrote:
This whole thing can be considered to be a new feature.
recovery.conf will contain a new optional parameter:
recovery_end_command (string)
This parameter specifies a shell command that will be executed once only
at the end of
Simon Riggs si...@2ndquadrant.com writes:
recovery_end_command is performed *after* the UpdateControlFile() once
the we are DB_IN_PRODUCTION.
Hmm, shouldn't it be after the last checkpoint but before we go to
DB_IN_PRODUCTION? I have to admit I've not been following this closely
though, so I
On Wed, 2009-05-13 at 16:47 -0400, Tom Lane wrote:
Simon Riggs si...@2ndquadrant.com writes:
recovery_end_command is performed *after* the UpdateControlFile() once
the we are DB_IN_PRODUCTION.
Hmm, shouldn't it be after the last checkpoint
Definitely.
but before we go to
On May 13, 12:41 pm, kevin.gritt...@wicourts.gov (Kevin Grittner)
wrote:
Kevin Field kevinjamesfi...@gmail.com wrote:
One other thing I'm just curious about, != gets replaced with
...how come? (Feels more VB-ish than C-ish, so I was surprised
that that would be the official/preferred
On May 13, 12:52 pm, t...@sss.pgh.pa.us (Tom Lane) wrote:
Kev kevinjamesfi...@gmail.com writes:
... I was surprised
to find that some of my views of the form:
select.from b left join a on a.id=b.id
...were being translated to this:
SELECT..FROM (B LEFT JOIN a ON ((a.id =
On Wed, 13 May 2009, Kevin Field wrote:
Or would the only way to do this be to actually create a view and then
call pg_get_viewdef() and then delete the view?
Just make it a temporary view and then it drops when the session ends.
Here's a working shell example that transforms a view into the
Cristina M escreveu:
- for table t2(l_orderkey int, l_partkey int, l_quantiy, l_tax,
l_extendedprice, l_discount) I got an error of 42 %.
I suspect you have NULLs in your table; they're stored as bitmaps, so they use
little space.
--
Euler Taveira de Oliveira
http://www.timbira.com/
--
Cristina M wrote:
I posted to the general list, and didn't receive any replies.
Therefore, I am trying this list now, hopefully this is the right
mailing list for this type of questions.
I am trying to compute the no of pages of a table. I am using the formula :
pages = ( columns width +
On Wed, May 13, 2009 at 6:08 AM, Cristina M cristina.ma...@yahoo.com wrote:
Hello,
I posted to the general list, and didn't receive any replies. Therefore, I
am trying this list now, hopefully this is the right mailing list for this
type of questions.
I am trying to compute the no of pages of
Hi all,
Attached is a patch to fix a command line example in charset.sgml.
I hope it is correct.
[]s
--
Dickson S. Guedes
mail/xmpp: gue...@guedesoft.net - skype: guediz
http://guedesoft.net - http://www.postgresql.org.br
fix_typo_lc_collatein_charset_sgml.patch.bz2
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