On 2 November 2011 16:35, Brar Piening b...@gmx.de wrote:
See http://de.wikipedia.org/wiki/Unendlichkeit#Analysis
(Sorry for linking the german wikipedia - the english text is ways less
verbose on this.)
Google Translate has come a very long way.
I can read that whole section easily with my
On Mon, Oct 31, 2011 at 7:09 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Heikki Linnakangas heikki.linnakan...@enterprisedb.com writes:
On 31.10.2011 17:44, Mark Hills wrote:
Could libpq be reasonably modified to allow this?
I believe it's doable in theory, no-one has just gotten around to it.
On 17.10.2011 01:09, Jeff Davis wrote:
On Sat, 2011-10-15 at 01:46 +0300, Heikki Linnakangas wrote:
* Do we really need non_empty(anyrange) ? You can just do NOT empty(x)
To make it a searchable (via GiST) condition, I need an operator. I
could either remove that operator (as it's not
Robert Haas wrote:
On Wed, Nov 2, 2011 at 8:31 PM, Bruce Momjian br...@momjian.us wrote:
Robert Haas wrote:
If nobody objects, I'll go do that. ?Hopefully that should be enough
to put this problem to bed more or less permanently.
All right, I've worked up a (rather boring and
On Thu, Nov 3, 2011 at 12:21 AM, Greg Smith g...@2ndquadrant.com wrote:
With some trivial checkpoints containing a small amount of data skipped now,
aren't there some cases where less WAL data will be written than before? In
that case, the user visible behavior here would be different. I'd
On Sun, Jun 5, 2011 at 4:03 AM, Robert Haas robertmh...@gmail.com wrote:
We've occasionally seen problems with VACUUM getting stuck for failure
to acquire a cleanup lock due to, for example, a cursor holding a pin
on the buffer page. In the worst case, this can cause an undetected
deadlock,
On Wed, Nov 2, 2011 at 8:21 PM, Greg Smith g...@2ndquadrant.com wrote:
In cases where there are little or no writes to the WAL, checkpoints will be
skipped even if checkpoint_timeout has passed. At least one new WAL segment
must have been created before an automatic checkpoint occurs. The
On 03.11.2011 10:42, Jeff Davis wrote:
On Wed, 2011-11-02 at 22:59 +0200, Heikki Linnakangas wrote:
This seems to be coming from the selectivity estimation function. The
selectivity function for@ is scalargtsel, which is usually used for
scalar and=. That doesn't seem right. But what do we
On Thu, Nov 3, 2011 at 7:15 AM, Simon Riggs si...@2ndquadrant.com wrote:
A while
back, someone (Greg Stark? me?) floated the idea of not waiting for
the cleanup lock. If we can't get it immediately, or within some
short period of time, then we just skip the page and continue on.
Separately,
On Thu, Nov 3, 2011 at 1:26 PM, Robert Haas robertmh...@gmail.com wrote:
I think that should be OK, but:
- It looks to me like you haven't done anything about the second heap
pass. That should probably get a similar fix.
I was assuming this worked with Pavan's patch to remove second pass.
Robert Haas robertmh...@gmail.com writes:
Hmm, I was kind of expecting that to be wrong at least in some minor way.
+/* contrib/hstore/hstore-1.0-1.1.sql */
+
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use ALTER EXTENSION hstore to load this file.
On Thu, Nov 3, 2011 at 9:52 AM, Simon Riggs si...@2ndquadrant.com wrote:
On Thu, Nov 3, 2011 at 1:26 PM, Robert Haas robertmh...@gmail.com wrote:
I think that should be OK, but:
- It looks to me like you haven't done anything about the second heap
pass. That should probably get a similar
On Tue, Nov 1, 2011 at 05:53, Fujii Masao masao.fu...@gmail.com wrote:
On Tue, Nov 1, 2011 at 3:08 AM, Magnus Hagander mag...@hagander.net wrote:
On Fri, Oct 28, 2011 at 08:46, Fujii Masao masao.fu...@gmail.com wrote:
On Thu, Oct 27, 2011 at 11:14 PM, Magnus Hagander mag...@hagander.net
Hello,
I'm using a GIN index for a text column on a big table. I use it to rank
the rows, but I also need to get the term positions for each document of a
subset of documents for one or more terms. I suppose these positions are stored
in the index as the to_tsvector shows them :
On Thu, Nov 3, 2011 at 2:22 PM, Robert Haas robertmh...@gmail.com wrote:
On Thu, Nov 3, 2011 at 9:52 AM, Simon Riggs si...@2ndquadrant.com wrote:
On Thu, Nov 3, 2011 at 1:26 PM, Robert Haas robertmh...@gmail.com wrote:
I think that should be OK, but:
- It looks to me like you haven't done
Yoann Moreau yoann.mor...@univ-avignon.fr wrote:
I'd need a function like this :
select term_positions(text, 'get') from docs;
id_doc | positions
+---
1 | {2,6}
2 | {3}
I'd like to add this function in my database, for experimental
purpose. I
Patch strips out all user visible functions into a new xlogfuncs.c file.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training Services
refactor_xlog_funcs.v1.patch
Description: Binary data
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On Nov 3, 2011, at 4:59 AM, Heikki Linnakangas wrote:
I've committed this now, after some more cleanup. I removed the selectivity
estimation functions from operators where they were bogus, so writing those
is a clear TODO. But that can well be done as a separate patch.
Thanks!
Woo!
Bruce Momjian wrote:
I fixed this a different way. I originally thought I could skip over
the 'postgres' database in the new cluster if it didn't exist in the old
cluster, but we have do things like check it is empty, so that was going
to be awkward.
It turns out there was only one place
Hi All,
While working on some of the performance issues on HP-UX, I noticed a
significant data cache misses for accessing PGPROC members. On a close
inspection, it was quite evident that for large number (even few 10s)
of clients, the loop inside GetSnapshotData will cause data cache miss
for
On Nov3, 2011, at 16:52 , Yoann Moreau wrote:
I'm using a GIN index for a text column on a big table. I use it to rank
the rows, but I also need to get the term positions for each document of a
subset of documents for one or more terms. I suppose these positions are
stored
in the index as
Next steps in refactoring are bigger steps, but not huge ones.
I propose this
* everything to do with XLOG rmgr into a file called xlogrmgr.c
Thats xlog_redo() and most everything to do with checkpoints
* everything to do with reading WAL files into a file called xlogread.c
That will allow us
On Nov3, 2011, at 18:54 , David E. Wheeler wrote:
On Nov 3, 2011, at 4:59 AM, Heikki Linnakangas wrote:
I've committed this now, after some more cleanup. I removed the selectivity
estimation functions from operators where they were bogus, so writing those
is a clear TODO. But that can well
Yoann Moreau yoann.mor...@univ-avignon.fr writes:
I'm using a GIN index for a text column on a big table. I use it to rank
the rows, but I also need to get the term positions for each document of a
subset of documents for one or more terms. I suppose these positions are
stored
in the index
On Thu, Nov 3, 2011 at 4:52 PM, Yoann Moreau
yoann.mor...@univ-avignon.fr wrote:
I'd need a function like this :
select term_positions(text, 'get') from docs;
id_doc | positions
+---
1 | {2,6}
2 | {3}
check this out:
On Thu, Nov 3, 2011 at 11:01 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Yoann Moreau yoann.mor...@univ-avignon.fr writes:
I'm using a GIN index for a text column on a big table. I use it to rank
the rows, but I also need to get the term positions for each document of
a
subset of documents for
Kevin Grittner kevin.gritt...@wicourts.gov wrote:
Untested patch attached for purposes of discussion.
I got in a little testing on it -- not only does this patch
eliminate the compile-time warning, but if you try to run pg_upgrade
when another session has removed your current working
On Thu, Nov 3, 2011 at 3:59 PM, Heikki Linnakangas
heikki.linnakan...@enterprisedb.com wrote:
I've committed this now, after some more cleanup. I removed the
selectivity estimation functions from operators where they were bogus, so
writing those is a clear TODO. But that can well be done as a
On 06/04/2011 04:51 PM, Oleg Bartunov wrote:
Well, there are several functions available around tsearch2. so I suggest
somebody to collect all of them and create one extension - ts_addon.
For example, these are what I remember:
1. tsvector2array
2. noccurences(tsvector, tsquery) - like your
Hello PG hackers,
I created a *custom dictionary* (based on dict_int) and a search
configuration and a strange behavior happens on *PostgreSQL 8.4.9*.
When I invoke the following instruction several times,*
to_tsquery()*returns distinct results:
catalog= SELECT to_tsquery('custom', 'pi');
Rodrigo Hjort rodrigo.hj...@gmail.com writes:
I created a *custom dictionary* (based on dict_int) and a search
configuration and a strange behavior happens on *PostgreSQL 8.4.9*.
...
Therefore, when I use *@@ operator* over a *tsvector* column in my table
the result set is not always the
Just noticed that I broke the buildfarm with that isolationtester commit
I did earlier today. I'm out for dinner now but I'll try to fix it
when I'm back .. sorry.
--
Álvaro Herrera alvhe...@alvh.no-ip.org
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To make changes
On Thu, Nov 3, 2011 at 6:12 PM, Pavan Deolasee pavan.deola...@gmail.com wrote:
When PGPROC array is allocated, we also allocate another array of
PGPROC_MINIMAL structures of the same size. While accessing the
ProcArray, a simple pointer mathematic can get us the corresponding
PGPROC_MINIMAL
On 10/25/11 5:03 AM, Magnus Hagander wrote:
If we want something to go in early, that could be as simple as a
version of pg_basebackup that runs against the slave but only if
full_page_writes=on on the master. If it's not, it throws an error.
Then we can improve upon that by adding handling of
Hackers,
Andrew produced a version for this patch which builds against 9.0. I've
tested that version on a production installation of PostgreSQL, including:
* dumping and reloading a production database with over 200 objects,
500GB of data and complex dependancies, 4 times so far
* excluding
I wrote:
(Just offhand, it rather looks like dict_int and dict_xsyn are both
assuming that palloc will give back zeroed space, which is bogus...)
Yeah, this is definitely broken. Patches committed; thanks for the
report.
On 09/24/2011 04:49 PM, Joshua Berkus wrote:
Well, we *did* actually come up with a reasonable way, but it died
under an avalanche of bikeshedding and
we-must-do-everything-the-way-we-always-have-done. I refer, of
course, to the configuration directory patch, which was a fine
solution, and
On Nov 2, 2011, at 11:27 AM, Robert Haas wrote:
The following comment - or at least the last sentence thereof -
appears to be out of date.
/*
* XXX Should we update the FSM information of this page ?
*
* There are two schools of thought here. We may not want
On Thu, Nov 3, 2011 at 3:18 AM, Scott Mead sco...@openscg.com wrote:
ISTM that we're all for:
creating a new column: state
renaming current_query = query
State will display RUNNING, IDLE, IDLE in transaction, etc...
query will display the last query that was executed.
The
On Thu, Nov 3, 2011 at 2:52 AM, Simon Riggs si...@2ndquadrant.com wrote:
On Wed, Nov 2, 2011 at 5:20 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Dimitri Fontaine dimi...@2ndquadrant.fr writes:
The only part of your proposal that I don't like is the process name,
that deArchiver thing. wal restore
On Fri, Nov 4, 2011 at 8:06 AM, Josh Berkus j...@agliodbs.com wrote:
On 10/25/11 5:03 AM, Magnus Hagander wrote:
If we want something to go in early, that could be as simple as a
version of pg_basebackup that runs against the slave but only if
full_page_writes=on on the master. If it's not, it
On Fri, Nov 4, 2011 at 3:14 AM, Simon Riggs si...@2ndquadrant.com wrote:
Next steps in refactoring are bigger steps, but not huge ones.
I propose this
* everything to do with XLOG rmgr into a file called xlogrmgr.c
Thats xlog_redo() and most everything to do with checkpoints
* everything
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