On ons, 2012-03-14 at 17:36 -0400, Bruce Momjian wrote:
Well, I have not had to make major adjustments to pg_upgrade since 9.0,
meaning the code is almost complete unchanged and does not require
additional testing for each major release. If we go down the road of
dumping stats, we will need
On Wed, 2012-03-14 at 10:26 +0100, Andres Freund wrote:
On Wednesday, March 14, 2012 05:23:03 AM Jeff Davis wrote:
On Tue, 2012-03-13 at 09:42 +0100, Andres Freund wrote:
for recursively everything in dir:
posix_fadvise(fd, POSIX_FADV_DONTNEED);
for recursively everything in
Hello,
Il 15/03/12 05:03, Marco Nenciarini ha scritto:
please find attached v4 of the EACH Foreign Key patch (formerly known
also as Foreign Key Array).
Please find attached version v4b which replaces v4 and fixes a bug in
array_replace() and adds further regression tests on array_replace()
I reviewed this and so far have not found any serious problems,
although as is par for the course it contains some of the fiddly bits
involved in any string manipulations in C. I made a few edits -- none
strictly necessary for correctness -- that the original author is free
audit and/or
On 2012-03-15 02:29, Tom Lane wrote:
explain select * from
(select thousand as t1, tenthous as t2 from tenk1 a
union all
select 42 as t1, 42 as t2 from tenk1 b) c
order by t1, t2;
There is an EquivalenceClass for each of t1 and t2, and if we don't
do something like wrapping the
(2012/03/15 0:29), Tom Lane wrote:
The posted patch for file_fdw takes the
approach of silently filtering out rows for which they're not true,
which is not obviously the right thing either --- quite aside from
whether that's a sane semantics, it's not going to scale to foreign key
On 14 March 2012 21:33, Dimitri Fontaine dimi...@2ndquadrant.fr wrote:
Ok, I've implemented that. No patch attached because I need to merge
with master again and I'm out to sleep now, it sometimes ring when being
on-call…
Curious people might have a look at my github repository where the
Robert Haas robertmh...@gmail.com writes:
Considering all the above, this seems like it might be a solution in
search of a problem. It's not actually that hard to write code to do
proper escaping for a *given* encoding and a *given* set of COPY
options, but trying to write something general
Excerpts from David Fetter's message of jue mar 15 02:28:28 -0300 2012:
On Wed, Mar 14, 2012 at 12:06:20PM -0400, Robert Haas wrote:
On Wed, Mar 14, 2012 at 10:22 AM, David Fetter da...@fetter.org wrote:
I think that instead of inventing new grammar productions and a new
node type for
Excerpts from Daniel Farina's message of jue mar 15 05:49:50 -0300 2012:
One thing I found puzzling was that in the latest revision the tests
appeared to be broken for me: all @ signs were translated to (at).
Is that mangling applied by the archives, or something?
Ugh, ouch. Yeah, that was
Yeb Havinga yebhavi...@gmail.com writes:
On 2012-03-15 02:29, Tom Lane wrote:
There is an EquivalenceClass for each of t1 and t2, and if we don't
do something like wrapping the constants with distinct PHVs, then
add_child_rel_equivalences will end up pushing identical constants into
both ECs,
Daniel Farina dan...@heroku.com writes:
I reviewed this and so far have not found any serious problems,
although as is par for the course it contains some of the fiddly bits
involved in any string manipulations in C. I made a few edits -- none
strictly necessary for correctness -- that the
On Thu, Mar 15, 2012 at 08:22:24AM +0200, Peter Eisentraut wrote:
On ons, 2012-03-14 at 17:36 -0400, Bruce Momjian wrote:
Well, I have not had to make major adjustments to pg_upgrade since 9.0,
meaning the code is almost complete unchanged and does not require
additional testing for each
On 03/15/2012 11:03 AM, Bruce Momjian wrote:
On Thu, Mar 15, 2012 at 08:22:24AM +0200, Peter Eisentraut wrote:
On ons, 2012-03-14 at 17:36 -0400, Bruce Momjian wrote:
Well, I have not had to make major adjustments to pg_upgrade since 9.0,
meaning the code is almost complete unchanged and
Bruce Momjian br...@momjian.us wrote:
I think we have two choices --- either migrate the statistics, or
adopt my approach to generating incremental statistics quickly.
Does anyone see any other options?
Would it make any sense to modify the incremental approach to do a
first pass of any
On Thu, Mar 15, 2012 at 11:15:42AM -0400, Andrew Dunstan wrote:
You're not the only person who could do that. I don't think this is
all down to you. It should just be understood that if the stats
format is changed, adjusting pg_upgrade needs to be part of the
change. When we modified how enums
On Thu, Mar 15, 2012 at 10:20:02AM -0500, Kevin Grittner wrote:
Bruce Momjian br...@momjian.us wrote:
I think we have two choices --- either migrate the statistics, or
adopt my approach to generating incremental statistics quickly.
Does anyone see any other options?
Would it make any
Andrew Dunstan and...@dunslane.net writes:
On 03/15/2012 11:03 AM, Bruce Momjian wrote:
On Thu, Mar 15, 2012 at 08:22:24AM +0200, Peter Eisentraut wrote:
I think this could be budgeted under keeping pg_dump backward
compatible. You have to do that anyway for each catalog change, and so
doing
On Thu, Mar 15, 2012 at 11:23:43AM -0300, Alvaro Herrera wrote:
Excerpts from David Fetter's message of jue mar 15 02:28:28 -0300 2012:
On Wed, Mar 14, 2012 at 12:06:20PM -0400, Robert Haas wrote:
On Wed, Mar 14, 2012 at 10:22 AM, David Fetter da...@fetter.org wrote:
I think that instead
On Thu, Mar 15, 2012 at 10:23 AM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
Looks much better to me, but the use of strcmp() doesn't look good.
ISTM that stmtType is mostly used for error messages. I think you
should add some kind of identifier (such as the original parser Node)
into
On Thu, Mar 15, 2012 at 3:15 PM, Andrew Dunstan and...@dunslane.net wrote:
You're not the only person who could do that. I don't think this is all down
to you. It should just be understood that if the stats format is changed,
adjusting pg_upgrade needs to be part of the change. When we
I'm implementing an extention to mdwrite() at backend/storage/smgr/md.c
When a block is written to the local storage using mdwrite(), I'm sending
this block to an HDFS storage.
So far I don't need to read back the values I'm writing to HDFS. This
approach is working fine in the initDB phase.
I wrote:
Yeb Havinga yebhavi...@gmail.com writes:
I'm having a hard time imagining that add_child_rel_equivalences is not
just plain wrong. Even though it will only add child equivalence members
to a parent eq class when certain conditions are met, isn't it the case
that since a union
On tor, 2012-03-15 at 11:15 -0400, Andrew Dunstan wrote:
I haven't looked at it, but I'm wondering how hard it is going to be
in practice?
Take a look at the commit log of pg_statistic.h; it's not a lot.
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to
On ons, 2012-03-14 at 17:38 -0400, Tom Lane wrote:
Peter Eisentraut pete...@gmx.net writes:
On ons, 2012-03-14 at 17:16 -0400, Robert Haas wrote:
If a constraint is NOT ENFORCED, then the query planner presumably
won't rely on it for planning purposes
Why do you presume that?
What
Peter Eisentraut pete...@gmx.net writes:
On tor, 2012-03-15 at 11:15 -0400, Andrew Dunstan wrote:
I haven't looked at it, but I'm wondering how hard it is going to be
in practice?
Take a look at the commit log of pg_statistic.h; it's not a lot.
That says nothing as all about the cost of
Excerpts from Greg Stark's message of jue mar 15 14:45:16 -0300 2012:
On Thu, Mar 15, 2012 at 3:15 PM, Andrew Dunstan and...@dunslane.net wrote:
You're not the only person who could do that. I don't think this is all down
to you. It should just be understood that if the stats format is
On sön, 2012-02-19 at 20:10 +0100, Pavel Stehule wrote:
I found so this extremely simple patch should be useful.
It helps for pattern SELECT fx();
Isn't that just a subset of what I had proposed?
http://archives.postgresql.org/message-id/1328820579.11241.4.ca...@vanquo.pezone.net
There was
2012/3/15 Peter Eisentraut pete...@gmx.net:
On sön, 2012-02-19 at 20:10 +0100, Pavel Stehule wrote:
I found so this extremely simple patch should be useful.
It helps for pattern SELECT fx();
Isn't that just a subset of what I had proposed?
Excerpts from Peter Eisentraut's message of jue mar 15 16:25:53 -0300 2012:
On sön, 2012-02-19 at 20:10 +0100, Pavel Stehule wrote:
I found so this extremely simple patch should be useful.
It helps for pattern SELECT fx();
Isn't that just a subset of what I had proposed?
On Wed, Mar 14, 2012 at 11:38:19AM +0530, Vivek Singh Raghuwanshi wrote:
Hi All,
Can i use keystone auth with PostgreSQL, it is very helpful when i am
using OpenStack as a cloud service and implement DBaaS.
I don't think so. I have never heard of keystone auth:
On Wed, Mar 14, 2012 at 11:10 AM, Kohei KaiGai kai...@kaigai.gr.jp wrote:
If it is ready to commit, please remember the credit to Yeb's volunteer
on this patch.
Done.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
--
Sent via pgsql-hackers mailing
On Tue, Mar 6, 2012 at 6:06 AM, Noah Misch n...@leadboat.com wrote:
On Tue, Mar 06, 2012 at 07:07:41AM +0100, Boszormenyi Zoltan wrote:
2012-03-05 19:56 keltez?ssel, Noah Misch ?rta:
Or how about a new feature in the backend, so ECPG can do
UPDATE/DELETE ... WHERE OFFSET N OF cursor
On Wed, Mar 14, 2012 at 5:23 PM, Robert Haas robertmh...@gmail.com wrote:
You still have HEAP_XMAX_{INVALID,COMMITTED} to reduce the pressure on mxid
lookups, so I think something more sophisticated is needed to exercise that
cost. Not sure what.
I don't think HEAP_XMAX_COMMITTED is much
On Thu, Mar 15, 2012 at 7:36 AM, Alex Shulgin a...@commandprompt.com wrote:
I wonder if there's any evidence as to that mangling the email addresses
helps to reduce spam at all? I mean replacing (at) back to @ and
(dot) to . is piece of cake for a spam crawler.
I suspect we're long past the
On Thu, Mar 15, 2012 at 1:14 PM, Bruce Momjian br...@momjian.us wrote:
On Wed, Mar 14, 2012 at 11:38:19AM +0530, Vivek Singh Raghuwanshi wrote:
Hi All,
Can i use keystone auth with PostgreSQL, it is very helpful when i am
using OpenStack as a cloud service and implement DBaaS.
I don't think
On 15 March 2012 18:13, Dimitri Fontaine dimi...@2ndquadrant.fr wrote:
Hi,
I guess it's time to start a new thread here. Please find attached
version 16 of the command trigger patch, with augmented documentation
and “magic variable” support (TG_WHEN, TG_OBJECTID and such).
The current
On Thu, Mar 15, 2012 at 2:15 AM, Robert Haas robertmh...@gmail.com wrote:
On Wed, Mar 14, 2012 at 6:10 PM, Noah Misch n...@leadboat.com wrote:
Well, post-release, the cat is out of the bag: we'll be stuck with
this whether the performance characteristics are acceptable or not.
That's why we'd
On Thu, 2012-03-15 at 13:49 -0400, Tareq Aljabban wrote:
I'm implementing an extention to mdwrite() at
backend/storage/smgr/md.c
When a block is written to the local storage using mdwrite(), I'm
sending this block to an HDFS storage.
So far I don't need to read back the values I'm writing to
Daniel Farina dan...@heroku.com writes:
Finally, attached is v8. Hopefully I didn't mess things up too much.
I'll give it another look-over. Do you have these in git somewhere? It
will help me save time on some of the incremental changes.
Yes, I've just pushed my dev branch to this fork of
On Thu, Mar 15, 2012 at 2:26 AM, Robert Haas robertmh...@gmail.com wrote:
On Wed, Mar 14, 2012 at 9:17 PM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
Agreed. But speaking of that, why exactly do we fsync the multixact SLRU
today?
Good question. So far, I can't think of a reason.
On Thu, Mar 15, 2012 at 1:17 AM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
As things stand today
Can I confirm where we are now? Is there another version of the patch
coming out soon?
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support,
On Thu, Mar 15, 2012 at 11:23:43AM -0300, Alvaro Herrera wrote:
Excerpts from David Fetter's message of jue mar 15 02:28:28 -0300 2012:
On Wed, Mar 14, 2012 at 12:06:20PM -0400, Robert Haas wrote:
On Wed, Mar 14, 2012 at 10:22 AM, David Fetter da...@fetter.org wrote:
I think that instead
On Wed, Mar 14, 2012 at 11:06 AM, Daniel Farina dan...@heroku.com wrote:
...and it has been ported to C (recently, and with some
quirks, like no LICENSE file...yet, although it is linked from the
original Snappy project).
I poked the author about the license and he fixed it in a jiffy. Now
Excerpts from Simon Riggs's message of jue mar 15 18:38:53 -0300 2012:
On Thu, Mar 15, 2012 at 2:26 AM, Robert Haas robertmh...@gmail.com wrote:
But that would only make sense if
we thought that getting rid of the fsyncs would be more valuable than
avoiding the blocking here, and I don't.
Excerpts from Simon Riggs's message of jue mar 15 18:46:44 -0300 2012:
On Thu, Mar 15, 2012 at 1:17 AM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
As things stand today
Can I confirm where we are now? Is there another version of the patch
coming out soon?
Yes, another version
Thanks for testing this new version (again).
A quick answer now, I'll send another patch tomorrow.
Thom Brown thombr...@gmail.com writes:
I don’t understand how functions can return a type of “command
trigger”. This certainly works, but I’ve never seen a type consisting
of more than one
On Thu, Mar 15, 2012 at 9:54 PM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
Excerpts from Simon Riggs's message of jue mar 15 18:38:53 -0300 2012:
On Thu, Mar 15, 2012 at 2:26 AM, Robert Haas robertmh...@gmail.com wrote:
But that would only make sense if
we thought that getting rid
Dimitri Fontaine dimi...@2ndquadrant.fr writes:
At this moment in time, CTAS is still outstanding. Is the plan to try
to get that in for this release, or as an enhancement in 9.3?
The plan is to get CTAS as a utility command in 9.2 then update the
command trigger patch to benefit from the
Excerpts from Simon Riggs's message of jue mar 15 19:04:41 -0300 2012:
On Thu, Mar 15, 2012 at 9:54 PM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
Excerpts from Simon Riggs's message of jue mar 15 18:38:53 -0300 2012:
On Thu, Mar 15, 2012 at 2:26 AM, Robert Haas
On Wed, Mar 14, 2012 at 6:06 PM, Daniel Farina dan...@heroku.com wrote:
If we're curious how it affects replication
traffic, I could probably gather statistics on LZO-compressed WAL
traffic, of which we have a pretty huge amount captured.
What's the compression like for shorter chunks of
On Fri, Mar 9, 2012 at 7:20 AM, Fujii Masao masao.fu...@gmail.com wrote:
On Tue, Feb 14, 2012 at 4:10 PM, Jaime Casanova ja...@2ndquadrant.com wrote:
On Thu, Feb 2, 2012 at 2:32 AM, Magnus Hagander mag...@hagander.net wrote:
I haven't looked through the code in detail, but one direct comment:
On Fri, Mar 9, 2012 at 9:53 AM, Robert Haas robertmh...@gmail.com wrote:
Tom recently committed something by another author that is along
similar lines to what you have here (I think). Can you comment on
whether you think more is still needed and what the differences are
between that approach
On Thu, Mar 15, 2012 at 10:13 PM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
Excerpts from Simon Riggs's message of jue mar 15 19:04:41 -0300 2012:
On Thu, Mar 15, 2012 at 9:54 PM, Alvaro Herrera
alvhe...@commandprompt.com wrote:
Excerpts from Simon Riggs's message of jue mar 15
On Thu, Mar 15, 2012 at 3:14 PM, Simon Riggs si...@2ndquadrant.com wrote:
On Wed, Mar 14, 2012 at 6:06 PM, Daniel Farina dan...@heroku.com wrote:
If we're curious how it affects replication
traffic, I could probably gather statistics on LZO-compressed WAL
traffic, of which we have a pretty
On Thu, Mar 15, 2012 at 10:14:12PM +, Simon Riggs wrote:
On Wed, Mar 14, 2012 at 6:06 PM, Daniel Farina dan...@heroku.com wrote:
If we're curious how it affects replication
traffic, I could probably gather statistics on LZO-compressed WAL
traffic, of which we have a pretty huge amount
On 15 March 2012 22:06, Dimitri Fontaine dimi...@2ndquadrant.fr wrote:
Dimitri Fontaine dimi...@2ndquadrant.fr writes:
At this moment in time, CTAS is still outstanding. Is the plan to try
to get that in for this release, or as an enhancement in 9.3?
The plan is to get CTAS as a utility
Parallel to pg_cancel_backend, it'd be nice to allow the user to just
outright kill a backend that they own (politely, with a SIGTERM),
aborting any transactions in progress, including the idle transaction,
and closing the socket.
I imagine the problem is a race condition whereby a pid might be
When configuring postgreSQL, I'm adding the libraries needed to run HDFS C
API (libhdfs).
./configure --prefix=/diskless/myUser/Workspace/EclipseWS1/pgsql
--enable-depend --enable-cassert --enable-debug CFLAGS=$CFLAGS
-I/diskless/myUser/Workspace/HDFS_Append/hdfs/src/c++/libhdfs
On Thu, 2012-03-15 at 19:36 -0400, Tareq Aljabban wrote:
When configuring postgreSQL, I'm adding the libraries needed to run
HDFS C API (libhdfs).
From the information below, it looks like C++.
./configure --prefix=/diskless/myUser/Workspace/EclipseWS1/pgsql
--enable-depend
On Thu, Mar 15, 2012 at 5:07 PM, Simon Riggs si...@2ndquadrant.com wrote:
On Wed, Mar 14, 2012 at 5:23 PM, Robert Haas robertmh...@gmail.com wrote:
You still have HEAP_XMAX_{INVALID,COMMITTED} to reduce the pressure on mxid
lookups, so I think something more sophisticated is needed to exercise
Excerpts from Robert Haas's message of jue mar 15 21:37:36 -0300 2012:
On Thu, Mar 15, 2012 at 5:07 PM, Simon Riggs si...@2ndquadrant.com wrote:
On Wed, Mar 14, 2012 at 5:23 PM, Robert Haas robertmh...@gmail.com wrote:
You still have HEAP_XMAX_{INVALID,COMMITTED} to reduce the pressure on
Daniel Farina dan...@heroku.com writes:
From my vantage point, a rehash of federated authentication of some
kind would be enormously useful, but it's not really clear if there
are any concrete implementations worth supporting directly: I only
wish it was much easier to delegate authentication
On Thu, Mar 15, 2012 at 08:37:36PM -0400, Robert Haas wrote:
On Thu, Mar 15, 2012 at 5:07 PM, Simon Riggs si...@2ndquadrant.com wrote:
On Wed, Mar 14, 2012 at 5:23 PM, Robert Haas robertmh...@gmail.com wrote:
You still have HEAP_XMAX_{INVALID,COMMITTED} to reduce the pressure on
mxid
On Thu, Mar 15, 2012 at 6:38 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Our standard answer when someone asks for $random-auth-method is to
suggest that they find a PAM module for it and use PAM. I wouldn't
want to claim that PAM is a particularly great interface for this
sort of thing, but it's
Daniel Farina dan...@heroku.com writes:
On Thu, Mar 15, 2012 at 6:38 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Our standard answer when someone asks for $random-auth-method is to
suggest that they find a PAM module for it and use PAM. I wouldn't
want to claim that PAM is a particularly great
On Tue, Mar 13, 2012 at 02:35:02PM -0300, Alvaro Herrera wrote:
Excerpts from Bruce Momjian's message of mar mar 13 14:00:52 -0300 2012:
On Tue, Mar 06, 2012 at 04:39:32PM -0300, Alvaro Herrera wrote:
When there is a single locker in a tuple, we can just store the locking
info
On Thu, Mar 15, 2012 at 11:04:06PM -0400, Bruce Momjian wrote:
On Tue, Mar 13, 2012 at 02:35:02PM -0300, Alvaro Herrera wrote:
Excerpts from Bruce Momjian's message of mar mar 13 14:00:52 -0300 2012:
On Tue, Mar 06, 2012 at 04:39:32PM -0300, Alvaro Herrera wrote:
When there is
On Tue, Mar 13, 2012 at 01:46:24PM -0400, Robert Haas wrote:
On Mon, Mar 12, 2012 at 3:28 PM, Simon Riggs si...@2ndquadrant.com wrote:
I agree with you that some worst case performance tests should be
done. Could you please say what you think the worst cases would be, so
those can be
On Thu, Mar 15, 2012 at 12:56 AM, Joachim Wieland j...@mcknight.de wrote:
On Wed, Mar 14, 2012 at 2:02 PM, Robert Haas robertmh...@gmail.com wrote:
I think we should get rid of die_horribly(), and instead have arrange
to always clean up AH via an on_exit_nicely hook.
Good. The only exit
On Fri, Mar 16, 2012 at 8:14 AM, Daniel Farina dan...@heroku.com wrote:
Parallel to pg_cancel_backend, it'd be nice to allow the user to just
outright kill a backend that they own (politely, with a SIGTERM),
aborting any transactions in progress, including the idle transaction,
and closing the
On Thu, Mar 15, 2012 at 9:39 PM, Fujii Masao masao.fu...@gmail.com wrote:
Shall we just do everything using the
MyCancelKey (which I think could just be called SessionKey,
SessionSecret, or even just Session) as to ensure we have no case
of mistaken identity? Or does that end up being
Daniel Farina dan...@heroku.com writes:
The way MyCancelKey is checked now is backwards, in my mind. It seems
like it would be better checked by the receiving PID (one can use a
check/recheck also, if so inclined). Is there a large caveat to that?
You mean, other than the fact that kill(2)
On Thu, Mar 15, 2012 at 10:33 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Daniel Farina dan...@heroku.com writes:
The way MyCancelKey is checked now is backwards, in my mind. It seems
like it would be better checked by the receiving PID (one can use a
check/recheck also, if so inclined). Is there
Daniel Farina dan...@heroku.com writes:
On Thu, Mar 15, 2012 at 10:33 PM, Tom Lane t...@sss.pgh.pa.us wrote:
But actually I don't see what you hope to gain from such a change,
even if it can be made to work. Anyone who can do kill(SIGINT) can
do kill(SIGKILL), say --- so you have to be able
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