On 23/11/12 17:24:48 mailto:t...@sss.pgh.pa.us wrote :
Cyril VELTER cyril.vel...@metadys.com writes:
I follow up on my previous message. Just got two more crash today very
similar to the first ones :
PANIC: could not write to log file 118, segment 237 at offset 2686976,
length
find attached an
updated version of the patch.
Thanks,
Best regards,
Etsuro Fujita
copy-popen-20121126.patch
Description: Binary data
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On Friday, November 23, 2012 7:03 PM Heikki Linnakangas
On 15.11.2012 17:16, Heikki Linnakangas wrote:
On 15.11.2012 16:55, Tom Lane wrote:
Heikki Linnakangashlinnakan...@vmware.com writes:
This is a fairly general issue, actually. Looking around, I can see
at least two similar cases in
On 25.11.2012 22:55, Alexander Korotkov wrote:
On Tue, Nov 20, 2012 at 1:43 PM, Heikki Linnakangashlinnakan...@vmware.com
wrote:
Glad to see this patch hasn't been totally forgotten. Being able to use
indexes for regular expressions would be really cool!
Back in January, I asked for some
On Sun, Nov 25, 2012 at 7:30 PM, Marko Tiikkaja pgm...@joh.to wrote:
As others have pointed out, replacing the contents of a table is something
which people have been wanting to do for a long time, and I think having
this ability would make this patch a lot better; now it just feels like
On 11/26/12 2:07 PM, Robert Haas wrote:
On Sun, Nov 25, 2012 at 7:30 PM, Marko Tiikkaja pgm...@joh.to wrote:
As others have pointed out, replacing the contents of a table is something
which people have been wanting to do for a long time, and I think having
this ability would make this patch a
On 26 November 2012 13:07, Robert Haas robertmh...@gmail.com wrote:
None of those patches were small patches. It's going to take multiple
years to get materialized views up to a state where they're really
useful to a broad audience in production applications, but I don't
think we should sneer
On 26.11.2012 14:53, Amit Kapila wrote:
I have one usecase in feature (SQL Command to edit postgresql.conf) very
similar to OpenFile/CloseFile, but I want that when CloseFile is called from
abort, it should remove(unlink) the file as well and during open it has to
retry few times if open is not
Friday, November 23, 2012 5:38 AM Muhammad Usama wrote:
Hi Amit
I have reviewed and tested the patch, Following are my observations and
comments.
Thank you for the review.
I need some clarification regarding some of the comments
Observations and Comments
On Monday, November 26, 2012 7:01 PM Heikki Linnakangas wrote:
On 26.11.2012 14:53, Amit Kapila wrote:
I have one usecase in feature (SQL Command to edit postgresql.conf)
very
similar to OpenFile/CloseFile, but I want that when CloseFile is
called from
abort, it should remove(unlink) the
On 11/14/12 9:28 PM, Kevin Grittner wrote:
17. Since the data viewed in an MV is not up-to-date with the latest
committed transaction,
So, the way I understand it, in Oracle terms, this feature is a
snapshot, not a materialized view. Maybe that's what it should be
called then.
--
Sent
Amit Kapila amit.kap...@huawei.com writes:
On Monday, November 26, 2012 7:01 PM Heikki Linnakangas wrote:
Hmm, if it's just for locking purposes, how about using a lwlock or a
heavy-weight lock instead?
Its not only for lock, the main idea is that we create temp file and write
modified
On Mon, Nov 26, 2012 at 8:14 AM, Marko Tiikkaja pgm...@joh.to wrote:
First of all, I have to apologize. Re-reading the email I sent out last
night, it does indeed feel a bit harsh and I can understand your reaction.
At no point did I mean to belittle Kevin's efforts or the patch itself. I
On 11/26/2012 09:46 AM, Peter Eisentraut wrote:
On 11/14/12 9:28 PM, Kevin Grittner wrote:
17. Since the data viewed in an MV is not up-to-date with the latest
committed transaction,
So, the way I understand it, in Oracle terms, this feature is a
snapshot, not a materialized view. Maybe
On Mon, Nov 26, 2012 at 09:46:33AM -0500, Peter Eisentraut wrote:
On 11/14/12 9:28 PM, Kevin Grittner wrote:
17. Since the data viewed in an MV is not up-to-date with the
latest committed transaction,
So, the way I understand it, in Oracle terms, this feature is a
snapshot, not a
On 11/23/12 9:48 AM, Michael Paquier wrote:
We waited a couple of days for feedback for this feature. So based on
all the comments provided by everybody on this thread, perhaps we should
move on and implement the options that would make pg_ping a better
wrapper for PQPing. Comments?
On Tue, Nov 27, 2012 at 12:26 AM, Peter Eisentraut pete...@gmx.net wrote:
On 11/23/12 9:48 AM, Michael Paquier wrote:
We waited a couple of days for feedback for this feature. So based on
all the comments provided by everybody on this thread, perhaps we should
move on and implement the
We're about due for a new set of back-branch update releases. After
some discussion among the packagers, it seems the best window for
getting this done before the holiday season sets in is next week.
Also, as previously mentioned, we're experimenting with weekday
rather than over-the-weekend
On Wed, Nov 21, 2012 at 3:16 PM, Andrew Dunstan and...@dunslane.net wrote:
Non-builtin types are now searched for a cast to json, and if it exists it
is used instead of the type's text representation. I didn't add a special
type to look for a cast to, as was discussed before, as it seemed a bit
Simon Riggs si...@2ndquadrant.com writes:
On 11 October 2012 20:43, Tom Lane t...@sss.pgh.pa.us wrote:
Robert Haas robertmh...@gmail.com writes:
So we have to take the snapshot before you begin execution, but it
seems that to avoid surprising behavior we also have to take it after
acquiring
I noticed after a pg_upgrade on a system, that the same oid is used
both for a database and a user (repeated many times for different
combinations of databases and users). This is because pg_upgrade
doesn't preserve the database oid, and it reused the oid of the row in
pg_authid.
The reason I
On Mon, Nov 26, 2012 at 10:55 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Simon Riggs si...@2ndquadrant.com writes:
On 11 October 2012 20:43, Tom Lane t...@sss.pgh.pa.us wrote:
Robert Haas robertmh...@gmail.com writes:
So we have to take the snapshot before you begin execution, but it
seems that
On 26 November 2012 15:24, David Fetter da...@fetter.org wrote:
I hate to add to the bike-shedding, but we should probably add REFRESH
SNAPSHOT as an optional piece of the grammar, with more REFRESH
options to come.
I don't know that they should be called materialised views, but do we
really
Magnus Hagander mag...@hagander.net writes:
I noticed after a pg_upgrade on a system, that the same oid is used
both for a database and a user (repeated many times for different
combinations of databases and users). This is because pg_upgrade
doesn't preserve the database oid, and it reused
On Mon, Nov 26, 2012 at 04:02:17PM +, Peter Geoghegan wrote:
On 26 November 2012 15:24, David Fetter da...@fetter.org wrote:
I hate to add to the bike-shedding, but we should probably add
REFRESH SNAPSHOT as an optional piece of the grammar, with more
REFRESH options to come.
I don't
On Mon, Nov 26, 2012 at 9:17 PM, Tom Lane t...@sss.pgh.pa.us wrote:
We're about due for a new set of back-branch update releases. After
some discussion among the packagers, it seems the best window for
getting this done before the holiday season sets in is next week.
Also, as previously
On Mon, Nov 26, 2012 at 5:04 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Magnus Hagander mag...@hagander.net writes:
I noticed after a pg_upgrade on a system, that the same oid is used
both for a database and a user (repeated many times for different
combinations of databases and users). This is
Robert Haas robertmh...@gmail.com writes:
On Mon, Nov 26, 2012 at 10:55 AM, Tom Lane t...@sss.pgh.pa.us wrote:
We have to do something about this one way or another before we can ship
9.2.2. Is the consensus to revert this patch:
On Fri, Nov 23, 2012 at 5:34 PM, Jeff Janes jeff.ja...@gmail.com wrote:
On Thu, Nov 15, 2012 at 7:05 PM, Jeff Janes jeff.ja...@gmail.com wrote:
On Wed, Nov 14, 2012 at 11:49 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Jeff Janes jeff.ja...@gmail.com writes:
On Thu, Nov 8, 2012 at 9:50 PM, Tom Lane
On 2012-11-26 21:35:05 +0530, Pavan Deolasee wrote:
On Mon, Nov 26, 2012 at 9:17 PM, Tom Lane t...@sss.pgh.pa.us wrote:
We're about due for a new set of back-branch update releases. After
some discussion among the packagers, it seems the best window for
getting this done before the
It's no longer possible to build pgadmin with libpq from git master:
/opt/pgsql/inst-pg/head/include/libpq-fe.h:551:8: error: ‘pg_int64’
does not name a type
and related messages about it.
This seems to be related to
On Mon, Nov 26, 2012 at 5:21 PM, Andres Freund and...@2ndquadrant.com wrote:
On 2012-11-26 21:35:05 +0530, Pavan Deolasee wrote:
On Mon, Nov 26, 2012 at 9:17 PM, Tom Lane t...@sss.pgh.pa.us wrote:
We're about due for a new set of back-branch update releases. After
some discussion among the
On 2012-11-26 17:27:11 +0100, Magnus Hagander wrote:
On Mon, Nov 26, 2012 at 5:21 PM, Andres Freund and...@2ndquadrant.com wrote:
On 2012-11-26 21:35:05 +0530, Pavan Deolasee wrote:
On Mon, Nov 26, 2012 at 9:17 PM, Tom Lane t...@sss.pgh.pa.us wrote:
We're about due for a new set of
Magnus Hagander mag...@hagander.net writes:
It's no longer possible to build pgadmin with libpq from git master:
/opt/pgsql/inst-pg/head/include/libpq-fe.h:551:8: error: pg_int64
does not name a type
[ scratches head ... ] That should be typedef'd in postgres_ext.h.
On 11/26/2012 10:55 AM, Robert Haas wrote:
On Wed, Nov 21, 2012 at 3:16 PM, Andrew Dunstan and...@dunslane.net wrote:
Non-builtin types are now searched for a cast to json, and if it exists it
is used instead of the type's text representation. I didn't add a special
type to look for a cast to,
On Mon, Nov 26, 2012 at 5:33 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Magnus Hagander mag...@hagander.net writes:
It's no longer possible to build pgadmin with libpq from git master:
/opt/pgsql/inst-pg/head/include/libpq-fe.h:551:8: error: ‘pg_int64’
does not name a type
[ scratches head ... ]
On Mon, Nov 26, 2012 at 11:43 AM, Andrew Dunstan and...@dunslane.net wrote:
I don't understand why you would want to create such a cast. If the cast
doesn't exist it will do exactly what it does now, i.e. use the type's
output function and then json quote and escape it, which in the case of
On Thu, Nov 22, 2012 at 4:54 AM, Dimitri Fontaine
dimi...@2ndquadrant.fr wrote:
Andrew Dunstan and...@dunslane.net writes:
Here is a WIP patch for enhancements to json generation.
First, there is the much_requested json_agg, which will aggregate rows
directly to json. So the following will
On Wed, Nov 21, 2012 at 12:53 AM, Josh Kupershmidt schmi...@gmail.com wrote:
TBH, I didn't find the example above particularly compelling for
demonstrating the need for this feature. If you've just got one table
with dependent views which needs to be restored, it's pretty easy to
manually
On Mon, Nov 26, 2012 at 10:26:27AM -0500, Peter Eisentraut wrote:
On 11/23/12 9:48 AM, Michael Paquier wrote:
We waited a couple of days for feedback for this feature. So based on
all the comments provided by everybody on this thread, perhaps we should
move on and implement the options that
Andres Freund escribió:
On 2012-11-26 17:27:11 +0100, Magnus Hagander wrote:
On Mon, Nov 26, 2012 at 5:21 PM, Andres Freund and...@2ndquadrant.com
wrote:
I have submitted a proposed fix for it friday:
On 11/21/12 3:16 PM, Andrew Dunstan wrote:
One open question regarding this feature is whether this should return
NULL or '[]' for 0 rows. Currently it returns NULL but I could be
convinced to return '[]', and the change would be very small.
Although my intuition would be [], the existing
On Sat, Nov 24, 2012 at 09:42:08PM -0800, Jeff Janes wrote:
On Fri, Nov 23, 2012 at 7:22 PM, Bruce Momjian br...@momjian.us wrote:
On Mon, Nov 19, 2012 at 12:11:26PM -0800, Jeff Janes wrote:
Yes, it is with synchronous_commit=off. (or if it wasn't originally,
it is now, with the same
On 11/26/2012 08:12 PM, Peter Eisentraut wrote:
On 11/21/12 3:16 PM, Andrew Dunstan wrote:
One open question regarding this feature is whether this should return
NULL or '[]' for 0 rows. Currently it returns NULL but I could be
convinced to return '[]', and the change would be very small.
On Mon, Nov 26, 2012 at 4:55 PM, Heikki Linnakangas hlinnakan...@vmware.com
wrote:
Great, that top-level comment helped tremendously! I feel enlightened.
I fixed some spelling, formatting etc. trivial stuff while reading through
the patch, see attached. Below is some feedback on the details:
On 11/26/2012 02:46 PM, Hannu Krosing wrote:
On 11/26/2012 08:12 PM, Peter Eisentraut wrote:
On 11/21/12 3:16 PM, Andrew Dunstan wrote:
One open question regarding this feature is whether this should return
NULL or '[]' for 0 rows. Currently it returns NULL but I could be
convinced to return
On 11/22/2012 11:54 AM, Dimitri Fontaine wrote:
Andrew Dunstan and...@dunslane.net writes:
Here is a WIP patch for enhancements to json generation.
First, there is the much_requested json_agg, which will aggregate rows
directly to json. So the following will now work:
select
Hannu Krosing ha...@2ndquadrant.com writes:
In some previous mail Tom Lane claimed that by SQL standard
either an array of all NULLs or a record with all fields NULLs (I
don't remember which) is also considered NULL. If this is true,
then an empty array - which can be said to consist of
On Sun, 2012-11-25 at 22:30 -0500, Tom Lane wrote:
I'd be worried about the case of a lot of sessions touching a lot of
unrelated tables. This change implies doubling the number of buffers
that are held pinned by any given query, and the distributed overhead
from that (eg, adding cycles to
On 11/26/2012 09:05 PM, Tom Lane wrote:
Hannu Krosing ha...@2ndquadrant.com writes:
In some previous mail Tom Lane claimed that by SQL standard
either an array of all NULLs or a record with all fields NULLs (I
don't remember which) is also considered NULL. If this is true,
then an empty array -
Hannu Krosing ha...@2ndquadrant.com writes:
On 11/26/2012 09:05 PM, Tom Lane wrote:
The analogy to other aggregates is probably a better thing to argue
from. On the other hand, I don't know anyone outside the SQL standards
committee who thinks it's actually a good idea that SUM() across no
On Mon, Nov 26, 2012 at 3:29 PM, Jeff Davis pg...@j-davis.com wrote:
Your intuition here is better than mine, but I am still missing
something here. If we keep the buffer pinned, then there will be very
few pin/unpin cycles here, so I don't see where the contention would
come from (any more
On Mon, Nov 26, 2012 at 3:05 PM, Tom Lane t...@sss.pgh.pa.us wrote:
The analogy to other aggregates is probably a better thing to argue
from. On the other hand, I don't know anyone outside the SQL standards
committee who thinks it's actually a good idea that SUM() across no rows
returns null
Jeff Davis pg...@j-davis.com writes:
On Sun, 2012-11-25 at 22:30 -0500, Tom Lane wrote:
Another possibly important point is that reducing the number of
pin/unpin cycles for a given VM page might actually hurt the chances of
it being found in shared buffers, because IIRC the usage_count is
Peter Eisentraut wrote:
Here is a patch to support RFC 2255 LDAP URLs in pg_hba.conf. So,
instead of, say
host ... ldap ldapserver=ldap.example.net ldapbasedn=dc=example, dc=net
ldapsearchattribute=uid
you could write
host ... ldap
Marko Tiikkaja wrote:
On 15/11/2012 03:28, Kevin Grittner wrote:
I have been testing the patch a bit
Thanks!
and I'm slightly disappointed by the fact that it still doesn't
solve this problem (and I apologize if I have missed discussion
about this in the docs or in this thread):
assume
David Fetter wrote:
On Mon, Nov 26, 2012 at 09:46:33AM -0500, Peter Eisentraut wrote:
So, the way I understand it, in Oracle terms, this feature is a
snapshot, not a materialized view. Maybe that's what it should
be called then.
Snapshot is one of the options for refreshing an Oracle
On Mon, Nov 26, 2012 at 04:34:36PM -0500, Kevin Grittner wrote:
David Fetter wrote:
On Mon, Nov 26, 2012 at 09:46:33AM -0500, Peter Eisentraut wrote:
So, the way I understand it, in Oracle terms, this feature is a
snapshot, not a materialized view. Maybe that's what it should
be called
Andres Freund and...@2ndquadrant.com writes:
On 2012-10-31 11:41:37 +0530, Amit Kapila wrote:
There seems to be a problem in behavior of Create Index Concurrently and Hot
Update in HEAD code .
At pgcon.it I had a chance to discuss with Simon how to fix this
bug. Please check the attached
On 11/26/2012 12:06:56 PM, Robert Haas wrote:
On Wed, Nov 21, 2012 at 12:53 AM, Josh Kupershmidt
schmi...@gmail.com wrote:
TBH, I didn't find the example above particularly compelling for
demonstrating the need for this feature. If you've just got one
table
with dependent views which
On Mon, 2012-11-26 at 16:10 -0500, Tom Lane wrote:
There's still the issue of whether the IOS code is safe in machines with
weak memory ordering. I think that it probably is safe, but the
argument for it in the current code comment is wrong; most likely, a
correct argument has to depend on
On Wed, Nov 14, 2012 at 10:08:15AM -0500, Bruce Momjian wrote:
I agree that parallel restore for schemas is a hard problem. But I
didn't mean parallelism within the restore, I meant that we could
start both postmasters and pipe the output from dump directly to
restore. This way the times
Satoshi Nagayasu escribió:
I attached the latest one, which splits the reset_time
for bgwriter and walwriter, and provides new system view,
called pg_stat_walwriter, to show the dirty write counter
and the reset time.
Thanks. I gave this a look and I have a couple of comments:
1. The
On Mon, Nov 26, 2012 at 4:51 PM, Karl O. Pinc k...@meme.com wrote:
Where I would like to go with this is to first introduce,
as a new patch, an ALTER TABLE option to disable a
constraint. Something like
ALTER TABLE foo UNVALIDATE CONSTRAINT constraintname;
This doesn't really make sense,
On Mon, Nov 26, 2012 at 3:03 PM, Robert Haas robertmh...@gmail.com wrote:
On Mon, Nov 26, 2012 at 3:29 PM, Jeff Davis pg...@j-davis.com wrote:
Your intuition here is better than mine, but I am still missing
something here. If we keep the buffer pinned, then there will be very
few pin/unpin
Lars Kanis wrote:
While investigating a ruby-pg issue [1], we noticed that a libpq SSL
connection can fail, if the running application uses OpenSSL for
other work, too. Root cause is the thread local error queue of
OpenSSL, that is used to transmit textual error messages to the
application
Bruce Momjian br...@momjian.us writes:
Testing pg_dump for 4k tables (16 seconds) shows the first row is not
output by pg_dump until 15 seconds, meaning there can't be any
parallelism with a pipe. (Test script attached.) Does anyone know how
to get pg_dump to send some output earlier?
You
On Mon, 2012-11-26 at 09:46 -0500, Peter Eisentraut wrote:
On 11/14/12 9:28 PM, Kevin Grittner wrote:
17. Since the data viewed in an MV is not up-to-date with the latest
committed transaction,
So, the way I understand it, in Oracle terms, this feature is a
snapshot, not a
On Mon, Nov 26, 2012 at 3:42 PM, Robert Haas robertmh...@gmail.com wrote:
On Mon, Nov 26, 2012 at 4:51 PM, Karl O. Pinc k...@meme.com wrote:
P.S. An outstanding question regards --truncate-tables
is whether it should drop indexes before truncate
and re-create them after restore. Sounds like
Alvaro Herrera alvhe...@2ndquadrant.com writes:
I gather that this is supposed to be back-patched to all supported
branches.
FWIW, I don't like that patch any better than Robert does. It seems
as likely to do harm as good. If there are places where libpq itself
is leaving entries on the error
On 11/26/2012 08:45:08 PM, Josh Kupershmidt wrote:
On Mon, Nov 26, 2012 at 3:42 PM, Robert Haas robertmh...@gmail.com
wrote:
On Mon, Nov 26, 2012 at 4:51 PM, Karl O. Pinc k...@meme.com wrote:
P.S. An outstanding question regards --truncate-tables
is whether it should drop indexes before
I wrote:
I'm a bit inclined to think that DROP INDEX CONCURRENTLY should have an
additional step that somehow marks the pg_index row in a new way that
makes RelationGetIndexList ignore it, and then wait out existing
transactions before taking the final step of dropping the index. The
Right
Andres Freund and...@2ndquadrant.com writes:
On 2012-10-05 19:56:40 -0400, Tom Lane wrote:
I think this could possibly be fixed by using nontransactional
update-in-place when we're trying to change indisvalid and/or
indisready, but I've not really thought through the details.
I couldn't
On 11/26/2012 09:30:48 PM, Karl O. Pinc wrote:
On 11/26/2012 08:45:08 PM, Josh Kupershmidt wrote:
It is a common administrative task to selectively restore some
existing tables' contents from a backup, and IIRC was the impetus
for
this patch.
Yes. (And aside from listing tables
On Mon, 2012-11-26 at 13:14 -0500, Bruce Momjian wrote:
I would normally agree with this analysis, but pg_ctl -w certainly
need this ping functionality, so it kind of makes sense that others
might need it too.
Sure, PQping is useful for this very specific use case of seeing whether
the server
On Mon, 2012-11-26 at 09:26 -0800, Thangalin wrote:
Is it possible to build an XML (or JSON) document using a map database
columns to XPath expressions? For example:
rootpeople
person person
person.first_name - name/first
person.last_name - name/last
On Tue, Nov 27, 2012 at 12:31 PM, Tom Lane t...@sss.pgh.pa.us wrote:
I wrote:
I'm a bit inclined to think that DROP INDEX CONCURRENTLY should have an
additional step that somehow marks the pg_index row in a new way that
makes RelationGetIndexList ignore it, and then wait out existing
-Original Message-
From: pgsql-hackers-ow...@postgresql.org [mailto:pgsql-hackers-
ow...@postgresql.org] On Behalf Of Peter Eisentraut
Sent: 27 November 2012 13:35
To: Kevin Grittner
Cc: Pgsql Hackers
Subject: Re: [HACKERS] Materialized views WIP patch
On Mon, 2012-11-26 at 09:46
On Tue, Nov 27, 2012 at 9:01 AM, Tom Lane t...@sss.pgh.pa.us wrote:
I wrote:
Either state of indcheckxmin is valid with all three of these
combinations, so the specific kluge I was contemplating above doesn't
work. But there is no valid reason for an index to be in this state:
indisvalid
In file included from ./src/include/utils/catcache.h:25:0,
from /tmp/cpluspluscheck.bt8VZr/test.cpp:3:
src/include/lib/ilist.h: In function ‘dlist_node* dlist_head_node(dlist_head*)’:
src/include/lib/ilist.h:470:39: error: invalid conversion from ‘void*’ to
‘dlist_node*’
Pavan Deolasee pavan.deola...@gmail.com writes:
On Tue, Nov 27, 2012 at 9:01 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Either state of indcheckxmin is valid with all three of these
combinations, so the specific kluge I was contemplating above doesn't
work. But there is no valid reason for an
Peter Eisentraut pete...@gmx.net writes:
In file included from ./src/include/utils/catcache.h:25:0,
from /tmp/cpluspluscheck.bt8VZr/test.cpp:3:
src/include/lib/ilist.h: In function âdlist_node*
dlist_head_node(dlist_head*)â:
src/include/lib/ilist.h:470:39: error: invalid
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