I would also like to participate as a student.
2015-02-16 13:28 GMT-02:00 Dmitry Dolgov 9erthali...@gmail.com:
I would like to participate as student.
On 10 February 2015 at 03:52, Thom Brown t...@linux.com wrote:
Hi all,
Google Summer of Code 2015 is approaching. I'm intending on
Hello,
Are there any plans for implementing query rewriting (i.e. allowing the
optimizer to substitute materialized views for queries)
in upcoming versions? I have recently seen this answer
http://www.postgresql.org/message-id/200501041006.18735.j...@agliodbs.com,
saying that query rewriting
This patch been reviewed by 4 people, resulting in 2 minor suggestions
for changes (adding an m modifier, and removing a bogus last).
It has 2 clear upvotes and 0 downvotes.
I think it should be revised along the lines suggested and committed
without further ado.
My patch actually only
Michael Paquier michael.paqu...@gmail.com wrote:
Coverity is pointing out that _int_split.c has unnecessary checks
for deferenced pointers in 5 places.
Attached is a patch to adjust those things.
Pushed. Thanks!
Also, as far as I understood from this code, no elements
manipulated are
On 02/13/2015 02:07 PM, Michael Paquier wrote:
Andreas, are you planning to continue working on this patch? Peter has
provided some comments that are still unanswered.
Yes, but I am quite busy right now. I will try to find time some time
later this week.
--
Andreas Karlsson
--
Sent via
Hi,
In a lot of places in the code we have many structures doing
declarations of the type foo[1] to emulate variable length arrays.
Attached are a set of patches aimed at replacing that with
FLEXIBLE_ARRAY_MEMBER to prevent potential failures that could be
caused by compiler optimizations and
I'm interested in participating in gsoc 2015 as student.
Sincerely,
Ivanitskiy Ilya.
On Sun, Feb 15, 2015 at 11:36:50AM -0500, Tom Lane wrote:
I wonder if we couldn't achieve largely the same positive effects through
adding a simple transaction-level timeout option. That would be far
easier for users to understand and manage, it would be trivial to allow
specific high-value
On 2/16/15 2:41 AM, Andres Freund wrote:
Since you actually don't want cancellations for the long running
reporting queries it very much might be sensible to switch to a more
complicated version of HeapTupleSatisfiesVacuum() if there's longrunning
queries. One that can recognize if rows are
On 2/15/15 9:23 PM, David Steele wrote:
That seems a bit incredible, since port should be able to resolve the
dependencies by itself. I suggest that this should be reported as a bug
to MacPorts.
Sure, that has been my experience, but the error message was very clear.
Unfortunately I did
On Feb16, 2015, at 23:18 , Peter Eisentraut pete...@gmx.net wrote:
On 2/15/15 9:23 PM, David Steele wrote:
That seems a bit incredible, since port should be able to resolve the
dependencies by itself. I suggest that this should be reported as a bug
to MacPorts.
Sure, that has been my
I couldn't find operation to add new entry on the current CF.
Go to the bottom of this CF:
https://commitfest.postgresql.org/4/
Then click on New patch.
I couldn't find the New patch link on both of IE and Chrome,
even though I logged in. Did you do something special?
Thanks,
--
NEC OSS
On 2015-02-17 05:51:22 +0900, Michael Paquier wrote:
- 0002 does the same for catalog tables
- 0003 changes varlena in c.h. This is done as a separate patch
because this needs some other modifications as variable-length things
need to be placed at the end of structures, because of:
--
On Mon, Feb 16, 2015 at 12:00 AM, Heikki Linnakangas
hlinnakan...@vmware.com wrote:
So INSERT ON CONFLICT IGNORE on a table with an exclusion constraint might
fail. I don't like that. The point of having the command in the first place
is to deal with concurrency issues. If it sometimes doesn't
On 02/16/2015 08:48 PM, Petr Jelinek wrote:
On 17/02/15 01:57, Peter Geoghegan wrote:
On Mon, Feb 16, 2015 at 4:44 PM, Petr Jelinek p...@2ndquadrant.com
wrote:
We definitely want this feature, I wished to have this info many times.
I would still like to see a benchmark.
Average of 3
On Tue, Feb 17, 2015 at 8:50 AM, Kouhei Kaigai kai...@ak.jp.nec.com wrote:
I couldn't find operation to add new entry on the current CF.
Go to the bottom of this CF:
https://commitfest.postgresql.org/4/
Then click on New patch.
I couldn't find the New patch link on both of IE and Chrome,
On 21/01/15 17:32, Andrew Dunstan wrote:
On 01/21/2015 11:21 AM, Arne Scheffer wrote:
Why is it a bad thing to call the column stddev_samp analog to the
aggregate function or make a note in the documentation, that the
sample stddev is used to compute the solution?
...
But I will add a
On Mon, Feb 16, 2015 at 4:44 PM, Petr Jelinek p...@2ndquadrant.com wrote:
We definitely want this feature, I wished to have this info many times.
I would still like to see a benchmark.
--
Peter Geoghegan
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes
On 2/16/15 6:10 PM, Florian Pflug wrote:
On Feb16, 2015, at 23:18 , Peter Eisentraut pete...@gmx.net wrote:
On 2/15/15 9:23 PM, David Steele wrote:
That seems a bit incredible, since port should be able to resolve the
dependencies by itself. I suggest that this should be reported as a bug
to
On Tue, Feb 17, 2015 at 7:39 AM, Kohei KaiGai kai...@kaigai.gr.jp wrote:
2015-02-16 12:25 GMT+09:00 Michael Paquier michael.paqu...@gmail.com:
On Fri, Feb 13, 2015 at 10:06 AM, Michael Paquier
michael.paqu...@gmail.com wrote:
In order to move on to the next CF, I am going to go through all
On Tue, Feb 17, 2015 at 8:50 AM, Kouhei Kaigai kai...@ak.jp.nec.com wrote:
I couldn't find operation to add new entry on the current CF.
Go to the bottom of this CF:
https://commitfest.postgresql.org/4/
Then click on New patch.
I couldn't find the New patch link on both of IE and
On 2/16/15 6:10 PM, Florian Pflug wrote:
BTW, why does the list of suggested packages include docbook-xml?
That is used for building the man pages.
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
On 2015-02-16 16:35:46 -0500, Bruce Momjian wrote:
It seems we already have a mechanism in place that allows tuning of
query cancel on standbys vs. preventing standby queries from seeing old
data, specifically
max_standby_streaming_delay/max_standby_archive_delay. We obsessed
about how users
On Tue, Feb 17, 2015 at 6:49 AM, Kevin Grittner kgri...@ymail.com wrote:
Michael Paquier michael.paqu...@gmail.com wrote:
Coverity is pointing out that _int_split.c has unnecessary checks
for deferenced pointers in 5 places.
Attached is a patch to adjust those things.
Pushed. Thanks!
We have some code in the server that attempts to match IPv4 address
entries in pg_hba.conf to incoming connections that are in IPv6 protocol
but have addresses in the range :::: (the IPv4-in-IPv6
subrange). As revealed by today's bug report from Hugo Osvaldo Barrera,
this code has
Let me put some comments in addition to where you're checking now.
[design issues]
* Cost estimation
Estimation and evaluation of cost for remote join query is not an
obvious issue. In principle, local side cannot determine the cost
to run remote join without remote EXPLAIN, because local side
On 17/02/15 01:57, Peter Geoghegan wrote:
On Mon, Feb 16, 2015 at 4:44 PM, Petr Jelinek p...@2ndquadrant.com wrote:
We definitely want this feature, I wished to have this info many times.
I would still like to see a benchmark.
Average of 3 runs of read-only pgbench on my system all with
On 02/16/2015 09:07 PM, Tom Lane wrote:
I wrote:
We have some code in the server that attempts to match IPv4 address
entries in pg_hba.conf to incoming connections that are in IPv6 protocol
but have addresses in the range :::: (the IPv4-in-IPv6
subrange). As revealed by today's
Andres Freund and...@2ndquadrant.com writes:
On 2015-02-17 05:51:22 +0900, Michael Paquier wrote:
diff --git a/src/include/catalog/pg_authid.h
b/src/include/catalog/pg_authid.h
index e01e6aa..d8789a5 100644
--- a/src/include/catalog/pg_authid.h
+++ b/src/include/catalog/pg_authid.h
@@
Attached is an 0.3 version, rebased over today's HEAD changes (applies to
commit 9e3ad1aac52454569393a947c06be0d301749362 or later), and with some
better logic for transferring expanded array values into and out of plpgsql
functions. Using this example:
create or replace function arraysetnum(n
On 17/02/15 03:03, Andrew Dunstan wrote:
On 02/16/2015 08:57 PM, Andrew Dunstan wrote:
On 02/16/2015 08:48 PM, Petr Jelinek wrote:
On 17/02/15 01:57, Peter Geoghegan wrote:
On Mon, Feb 16, 2015 at 4:44 PM, Petr Jelinek p...@2ndquadrant.com
wrote:
We definitely want this feature, I wished
I wrote:
We have some code in the server that attempts to match IPv4 address
entries in pg_hba.conf to incoming connections that are in IPv6 protocol
but have addresses in the range :::: (the IPv4-in-IPv6
subrange). As revealed by today's bug report from Hugo Osvaldo Barrera,
On Mon, Feb 16, 2015 at 4:11 PM, Peter Geoghegan p...@heroku.com wrote:
Jim Nasby said something about setting the HEAP_XMIN_INVALID hint bit.
Maybe he is right...if that can be made to be reliable (always
WAL-logged), it could be marginally better than setting xmin to
invalidTransactionId.
Andrew Dunstan and...@dunslane.net writes:
On 02/16/2015 09:07 PM, Tom Lane wrote:
BTW, a bit of digging in the git logs and mail archives says that the code
in question was originally added in 7.4 (commit 3c9bb8886df7d56a), in
response to this discussion:
On Fri, Feb 13, 2015 at 9:18 AM, Andres Freund and...@2ndquadrant.com wrote:
On 2015-02-12 11:44:05 -0800, Sergey Konoplev wrote:
On Thu, Feb 12, 2015 at 11:40 AM, Andres Freund and...@2ndquadrant.com
wrote:
This obviously should not be the case. I'll have a look in a couple of
hours.
On 02/16/2015 08:57 PM, Andrew Dunstan wrote:
On 02/16/2015 08:48 PM, Petr Jelinek wrote:
On 17/02/15 01:57, Peter Geoghegan wrote:
On Mon, Feb 16, 2015 at 4:44 PM, Petr Jelinek p...@2ndquadrant.com
wrote:
We definitely want this feature, I wished to have this info many
times.
I would
On 17/02/15 02:57, Andrew Dunstan wrote:
On 02/16/2015 08:48 PM, Petr Jelinek wrote:
On 17/02/15 01:57, Peter Geoghegan wrote:
On Mon, Feb 16, 2015 at 4:44 PM, Petr Jelinek p...@2ndquadrant.com
wrote:
We definitely want this feature, I wished to have this info many times.
I would still
Hello, I had a look on gram.y and found other syntaxes using WITH
option clause.
At Wed, 11 Feb 2015 14:34:17 -0600, Jim Nasby jim.na...@bluetreble.com wrote
in 54dbbcc9.1020...@bluetreble.com
I suspect at least some of this stems from how command line programs
tend to process options before
On 13 February 2015 at 15:40, Thom Brown t...@linux.com wrote:
On 12 February 2015 at 14:55, Alexander Korotkov aekorot...@gmail.com
wrote:
Hi!
On Mon, Feb 9, 2015 at 11:52 PM, Thom Brown t...@linux.com wrote:
Google Summer of Code 2015 is approaching. I'm intending on registering
2015-02-16 12:25 GMT+09:00 Michael Paquier michael.paqu...@gmail.com:
On Fri, Feb 13, 2015 at 10:06 AM, Michael Paquier
michael.paqu...@gmail.com wrote:
In order to move on to the next CF, I am going to go through all the
remaining patches and update their status accordingly. And sorry for
On Feb 17, 2015 12:26 AM, Andres Freund and...@2ndquadrant.com wrote:
On 2015-02-16 16:35:46 -0500, Bruce Momjian wrote:
It seems we already have a mechanism in place that allows tuning of
query cancel on standbys vs. preventing standby queries from seeing old
data, specifically
On 16.2.2015 03:38, Andrew Gierth wrote:
Tomas == Tomas Vondra tomas.von...@2ndquadrant.com
writes:
Tomas Improving the estimates is always good, but it's not going
to Tomas fix the case of non-NULL values (it shouldn't be all
that Tomas difficult to create such examples with a value whose
I would like to participate as student.
On 10 February 2015 at 03:52, Thom Brown t...@linux.com wrote:
Hi all,
Google Summer of Code 2015 is approaching. I'm intending on registering
PostgreSQL again this year.
Before I do that, I'd like to have an idea of how many people are
interested
On 2015-02-16 05:19:11 +, Kevin Grittner wrote:
Tom Lane t...@sss.pgh.pa.us wrote:
Jim Nasby jim.na...@bluetreble.com writes:
On 2/15/15 10:36 AM, Tom Lane wrote:
I wonder if we couldn't achieve largely the same positive effects through
adding a simple transaction-level timeout
On 2015-02-16 11:07:09 +0200, Heikki Linnakangas wrote:
On 02/16/2015 02:21 AM, Andres Freund wrote:
Furthermore the fact that the origin of records is recorded allows to
avoid decoding them in logical decoding. That has both efficiency
advantages (we can do so before they are stored in
On 2015-02-16 10:00:24 +0200, Heikki Linnakangas wrote:
On 02/16/2015 02:44 AM, Peter Geoghegan wrote:
Are we happy with acquiring the SpeculativeInsertLock heavy-weight lock for
every insertion? That seems bad for performance reasons. Also, are we happy
with adding the new fields to the proc
On 02/16/2015 02:21 AM, Andres Freund wrote:
Furthermore the fact that the origin of records is recorded allows to
avoid decoding them in logical decoding. That has both efficiency
advantages (we can do so before they are stored in memory/disk) and
functionality advantages. Imagine using a
On 02/16/2015 02:44 AM, Peter Geoghegan wrote:
On Sat, Feb 14, 2015 at 2:06 PM, Heikki Linnakangas
hlinnakan...@vmware.com wrote:
I did not solve the potential for livelocks (discussed at
http://www.postgresql.org/message-id/cam3swztftt_fehet3tu3ykcpcypynnauquz3q+naasnh-60...@mail.gmail.com).
On 02/16/2015 11:18 AM, Andres Freund wrote:
On 2015-02-16 11:07:09 +0200, Heikki Linnakangas wrote:
How does this work if you have multiple replication systems in use in the
same cluster? You might use Slony to replication one table to one system,
and BDR to replication another table with
On 2015-02-16 11:34:10 +0200, Heikki Linnakangas wrote:
Yes, thanks. Note to self and everyone else looking at this: It's important
to keep in mind is that the replication IDs are completely internal to the
local cluster. They are *not* sent over the wire.
Well, if you *want* to, you could
Hello,
Thank you for reviewing and testing the patch.
+ /* leave if data cannot be compressed */
+ if (compressed_len == 0)
+ return false;
This should be 0, pglz_compress returns -1 when compression fails.
+ if (pglz_decompress(block_image,
On 2015-02-16 11:30:20 +, Syed, Rahila wrote:
- * As a trivial form of data compression, the XLOG code is aware that
- * PG data pages usually contain an unused hole in the middle, which
- * contains only zero bytes. If hole_length 0 then we have removed
- * such a hole from the stored
On Mon, Feb 16, 2015 at 8:30 PM, Syed, Rahila rahila.s...@nttdata.com
wrote:
Regarding the sanity checks that have been added recently. I think that
they are useful but I am suspecting as well that only a check on the record
CRC is done because that's reliable enough and not doing those
On 2015-02-16 20:55:20 +0900, Michael Paquier wrote:
On Mon, Feb 16, 2015 at 8:30 PM, Syed, Rahila rahila.s...@nttdata.com
wrote:
Regarding the sanity checks that have been added recently. I think that
they are useful but I am suspecting as well that only a check on the record
CRC is
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