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204 discussions - 1,695 posts

  • Hello I have problem with sending patch, so I am send link http://www.pgsql.cz/patches/defaults.diff.gz Example: postgres=# create function fx(a int, b int default 30, c int default 40) postgres-# ...
    Pavel StehulePavel Stehule
    Oct 26, 2008 at 11:47 am
    Dec 15, 2008 at 11:06 am
  • We propose a patch that improves hybrid hash join's performance for large multi-batch joins where the probe relation has skew. Project name: Histojoin Patch file: histojoin_v1.patch This patch ...
    Lawrence, RamonLawrence, Ramon
    Oct 20, 2008 at 10:55 pm
    Mar 21, 2009 at 2:22 am
  • This is really first patch which is not clean up, but it add in-place upgrade functionality. The patch requires other clean up patches which I already send. You can find aslo GIT repository with ...
    Zdenek KotalaZdenek Kotala
    Oct 31, 2008 at 9:44 pm
    Nov 27, 2008 at 11:55 am
  • Here's finally my attempt at the visibility map, aka. the dead space map. It's still work-in-progress, but it's time to discuss some design details in detail. Patch attached, anyway, for reference. ...
    Heikki LinnakangasHeikki Linnakangas
    Oct 27, 2008 at 12:03 pm
    Jan 15, 2009 at 3:57 pm
  • Howdy, Currently pl/proxy, dblink, DBI-link etc. each have their own remote connection info management infrastructure (or none at all). It would certainly help if they could use a common connection ...
    Martin PihlakMartin Pihlak
    Oct 27, 2008 at 2:06 pm
    Mar 5, 2009 at 8:59 am
  • It seems possible to change some DDL commands/subcommands to use a ShareLock rather than an AccessExclusiveLock. Enclosed patch implements this reduction for CREATE TRIGGER, CREATE RULE and ALTER ...
    Simon RiggsSimon Riggs
    Oct 6, 2008 at 9:05 pm
    Dec 18, 2008 at 6:54 pm
  • So I gave up waiting for someone else to do the reloptions patch for autovacuum and started work on it myself. What I soon discovered is that on first blush it seems a lot easier than I had expected. ...
    Alvaro HerreraAlvaro Herrera
    Oct 8, 2008 at 2:21 pm
    Feb 7, 2009 at 5:10 am
  • just remembering that -patches is a dead list, so i'm sending this to -hackers where it will have more visibility... ---------- Forwarded message ---------- From: Jaime Casanova ...
    Jaime CasanovaJaime Casanova
    Oct 22, 2008 at 2:44 pm
    Jan 6, 2009 at 5:20 pm
  • Hi, I had the same problem as John with "could not open relation 1663/16384/16584: No such file or directory" in a specific combination of transactions with temp tables ...
    Emmanuel CecchetEmmanuel Cecchet
    Oct 6, 2008 at 9:01 pm
    Dec 8, 2008 at 8:21 pm
  • Folks, It's that time again! Purging antiquated contrib modules. chkpass: this module is incomplete and does not implement all functions it describes. It's not really even useful as an Example since ...
    Josh BerkusJosh Berkus
    Oct 10, 2008 at 11:42 pm
    Oct 15, 2008 at 9:31 pm
  • We have an open TODO item to support SQL-language functions that return the output of a RETURNING clause attached to an INSERT/UPDATE/DELETE query within the function. This is something that was left ...
    Tom LaneTom Lane
    Oct 27, 2008 at 1:49 am
    Nov 3, 2008 at 8:55 am
  • Attached patch cleans up the certificate verification in libpq, and adds a configuration paraqmeter to control it. The new parameter is "sslverify", and can be set to: * cn = default = will validate ...
    Magnus HaganderMagnus Hagander
    Oct 20, 2008 at 12:50 pm
    Nov 14, 2008 at 5:05 pm
  • Hi All, we would like to start some work on improving the performance of PostgreSQL in a multi-CPU environment. Dano Vojtek is student at the Faculty of Mathematics and Physics of Charles university ...
    Julius StroffekJulius Stroffek
    Oct 20, 2008 at 7:20 pm
    Oct 30, 2008 at 10:21 am
  • I've worked out what I think is a workable, efficient process for deriving snapshots during recovery. I will be posting a patch to show how this works tomorrow [Wed 15 Oct], just doing cleanup now. ...
    Simon RiggsSimon Riggs
    Oct 14, 2008 at 5:48 pm
    Oct 23, 2008 at 11:31 am
  • I've been interested in what it would take to start tracking cross-column statistics. A review of the mailing lists as linked from the TODO item on the subject [1] suggests the following concerns: 1) ...
    Joshua TolleyJoshua Tolley
    Oct 15, 2008 at 10:53 am
    Oct 19, 2008 at 5:09 pm
  • Folks, Please find enclosed a WIP patch to add the ability for functions to see the qualifiers of the query in which they're called. It's not working just yet, and I'm not sure how best to get it ...
    David FetterDavid Fetter
    Oct 29, 2008 at 4:40 pm
    Dec 15, 2008 at 6:36 pm
  • Please find attached my current patch for automatic view update rules. This is a stripped down version of my former patch discussed before 8.3 without CHECK OPTION support and less invasive changes ...
    Bernd HelmleBernd Helmle
    Oct 30, 2008 at 8:24 pm
    Jan 22, 2009 at 7:35 am
  • Here is an implementation of distinct types, known from SQL99 and beyond. They are like domains, except that they don't have defaults or constraints and they do not allow implicit casting to their ...
    Peter EisentrautPeter Eisentraut
    Oct 31, 2008 at 12:53 pm
    Jan 8, 2009 at 8:48 pm
  • Currently, the constructs '{}'::arraytype ARRAY[]::arraytype return zero-dimensional arrays, as does the underlying function construct_empty_array(). I can't immediately find any way at SQL level to ...
    Tom LaneTom Lane
    Oct 21, 2008 at 5:50 pm
    Nov 15, 2008 at 11:58 am
  • Hello, Postgres has configurations to log statements into server logs, but there are few convenience ways to summarize the logs as a view. Some external projects like pgFouine or PQA have the ...
    ITAGAKI TakahiroITAGAKI Takahiro
    Oct 11, 2008 at 9:05 am
    Nov 15, 2008 at 3:43 am
  • I think this patch broke something. In CVS HEAD, replay of a transaction commit record with a subtransaction dies with an assert failure: #0 0xc0141220 in ?? () from /usr/lib/libc.1 #1 0xc00aa7ec in ...
    Tom LaneTom Lane
    Oct 22, 2008 at 5:25 pm
    Nov 3, 2008 at 7:28 pm
  • I've applied the latest version of the CTE patch. Congratulations on making that happen! There are still some loose ends that need to be considered, though. 1. As committed, the patch takes an ...
    Tom LaneTom Lane
    Oct 4, 2008 at 10:22 pm
    May 27, 2009 at 1:44 pm
  • It seems that we are going to bump Page Layout Version to version 5 (see CRC patch for detail). Maybe it is good time to do some other changes. There is a list of ideas (please, do not beat me :-). ...
    Zdenek KotalaZdenek Kotala
    Oct 30, 2008 at 7:44 pm
    Nov 18, 2008 at 4:55 pm
  • Hi everybody, me and Gabriele Bartolini have been working on Bitmap Indexes (BMI) in the last weeks, with advice and guidance from Simon Riggs. We feel that we are about to approach the point where ...
    Gianni CiolliGianni Ciolli
    Oct 21, 2008 at 3:30 pm
    Nov 4, 2008 at 2:01 pm
  • Hi, This is my first proposal of PITR performance improvement for PostgreSQL 8.4 development. This proposal includes readahead mechanism of data pages which will be read by redo() routines in the ...
    Koichi SuzukiKoichi Suzuki
    Oct 28, 2008 at 7:33 am
    Oct 30, 2008 at 1:02 am
  • Here is a patch to support two aggregate functions: 1) ARRAY_AGG() -- SQL 2008 standard behavior, returns NULL on no input, and skips NULL inputs. 2) ARRAY_ACCUM() -- Returns empty array on no input, ...
    Jeff DavisJeff Davis
    Oct 26, 2008 at 6:32 pm
    Nov 20, 2008 at 9:44 pm
  • Hi, Here is my patch to add the ALTER DATABASE WITH TABLESPACE statement. It is part of the TODO list. It intends to allow the move of all relations of a database in its new default tablespace. ...
    Guillaume LelargeGuillaume Lelarge
    Oct 25, 2008 at 9:50 pm
    Nov 7, 2008 at 6:34 pm
  • The attached patch allows uuid_in() to parse a wider variety of variant input formats for the UUID data type, per the TODO named in the subject line. Original discussion here: ...
    Robert HaasRobert Haas
    Oct 10, 2008 at 3:09 am
    Nov 3, 2008 at 10:52 pm
  • I'm looking at how to make queries safe during recovery, in the presence of concurrent changes to blocks. In particular, concurrent removal of rows that might be read by queries. My thinking is * we ...
    Simon RiggsSimon Riggs
    Oct 20, 2008 at 12:51 pm
    Nov 3, 2008 at 4:10 pm
  • As I promised, version 7 of the window functions is now released. At the same time, git repository branch comes back to master. git: http://git.postgresql.org/?p=~davidfetter/window_functions/.git ...
    Hitoshi HaradaHitoshi Harada
    Oct 27, 2008 at 4:12 pm
    Oct 29, 2008 at 12:46 am
  • Hackers, Just had a feature request from Wheeler, and I don't see why it shouldn't go on our todo list. Currently, in psql you can do: \set myvar 2008-10-23 and you can do \set myvar `date` but you ...
    Josh BerkusJosh Berkus
    Oct 22, 2008 at 10:30 pm
    Oct 23, 2008 at 5:27 pm
  • A patch s/b attached which adds a "VERBOSE" option to the CLUSTER command as mentioned in the following TODO item for CLUSTER: "Add VERBOSE option to report tables as they are processed, like VACUUM ...
    Jim CoxJim Cox
    Oct 10, 2008 at 12:53 pm
    Nov 25, 2008 at 4:45 pm
  • I'm taking a look at doing the refactoring Tom Lane and Simon Riggs discussed here: http://archives.postgresql.org/pgsql-patches/2008-02/msg00155.php In terms of the buffer manager, I think we can ...
    Robert HaasRobert Haas
    Oct 26, 2008 at 3:29 am
    Nov 6, 2008 at 8:52 pm
  • Currently we enable archive_mode only at server start. The reason for this was to protect against people enabling archive_mode half way through somebody else running a bulk load without WAL and then ...
    Simon RiggsSimon Riggs
    Oct 31, 2008 at 3:04 pm
    Jan 8, 2009 at 9:16 pm
  • With the recent open sourcing of Replicator, the team has been trying to come up with ways to ensure an open development process. In that light we have decided to have our first release 1.9 meeting ...
    Joshua DrakeJoshua Drake
    Oct 27, 2008 at 8:42 pm
    Nov 3, 2008 at 4:00 pm
  • I'm kind of curious where the value of 4 for random_page_cost came from. IIRC, Tom, you mentioned it came from tests you ran -- were those raw i/o tests or Postgres cost estimates compared to ...
    Gregory StarkGregory Stark
    Oct 10, 2008 at 11:53 am
    Oct 15, 2008 at 3:07 pm
  • Howdy, Any interest in adding a function like this to core? Datum pg_version(PG_FUNCTION_ARGS) { PG_RETURN_INT32(PG_VERSION_NUM); } That returns an integer, such as try=# select pg_version(); ...
    David E. WheelerDavid E. Wheeler
    Oct 11, 2008 at 11:52 pm
    Oct 14, 2008 at 10:16 pm
  • Gregory StarkGregory Stark
    Oct 30, 2008 at 8:03 pm
    Nov 20, 2008 at 7:56 pm
  • The one remaining issue I'd like to address in the new FSM implementation is the fact that the FSM is currently not updated at all in WAL recovery. The old FSM wasn't updated on WAL recovery either, ...
    Heikki LinnakangasHeikki Linnakangas
    Oct 28, 2008 at 2:22 pm
    Oct 30, 2008 at 10:53 am
  • I'm looking to implement the following functions for Hot Standby, to allow those with administrative tools or management applications to have more control during recovery. Please let me know if other ...
    Simon RiggsSimon Riggs
    Oct 20, 2008 at 9:23 am
    Oct 27, 2008 at 5:16 pm
  • Hi Attached is a patch for a synchronous log-shipping replication which was discussed just a month ago. I would like you to review this patch in Nov commit fest. The outline of this patch is as ...
    Fujii MasaoFujii Masao
    Oct 31, 2008 at 11:36 am
    Nov 11, 2008 at 4:27 am
  • Currently, we use correlation to estimate the I/O costs of an index scan. However, this has some problems: http://archives.postgresql.org/pgsql-hackers/2008-01/msg01084.php I worked with Nathan Boley ...
    Jeff DavisJeff Davis
    Oct 26, 2008 at 12:17 pm
    Nov 4, 2008 at 12:35 am
  • Currently in heaptuple.c we have duplicated code. heap_deformtuple and heap_formtuple are mark as a obsolete interface. Is any reason to have still them? I know that they are still used on many ...
    Zdenek KotalaZdenek Kotala
    Oct 23, 2008 at 2:50 pm
    Nov 2, 2008 at 1:49 am
  • Howdy, Not sure if PostgreSQL uses time_t, but if so, this project provides useful code (a drop-in replacement for time.h) to address the 2038 bug on 32-bit platforms. http://code.google.com/p/y2038/ ...
    David E. WheelerDavid E. Wheeler
    Oct 13, 2008 at 5:52 pm
    Oct 13, 2008 at 7:41 pm
  • I looked a bit at the SQL:2008 spec for a CYCLE clause for WITH RECURSIVE. It is interesting to see that it is just syntactic sugar, because *they spell out how to expand it into regular SQL*. More, ...
    Tom LaneTom Lane
    Oct 8, 2008 at 1:58 am
    Jan 8, 2009 at 3:49 pm
  • Sorry for the delay in addressing this bug report. Your analysis of this problem is right on target. When the SSL callbacks were implemented for threaded libpq, there was never any thought on the ...
    Bruce MomjianBruce Momjian
    Oct 27, 2008 at 7:36 pm
    Dec 3, 2008 at 8:06 pm
  • Currently, pg_settings.enumvals presents a list of strings formatted in an ad-hoc manner. Shouldn't we be presenting this as text[], so that clients don't need special-purpose code to break it apart? ...
    Tom LaneTom Lane
    Oct 6, 2008 at 2:01 pm
    Oct 8, 2008 at 6:11 am
  • Hi, I believe it makes sense adding some more details to explain analyze output like the number of pages read/written. This will allow one to understand the workload the query puts on the server ...
    Vladimir SitnikovVladimir Sitnikov
    Oct 11, 2008 at 11:24 pm
    Jan 9, 2009 at 10:23 pm
  • ISTM it'd be useful to have an array_length function (since I just wrote one for work ;), so here's a patch. Note that I don't have the docs toolchain setup, so I wasn't able to test the doc patches.
    Oct 15, 2008 at 2:29 pm
    Nov 12, 2008 at 3:57 pm
  • If I read this right, SQL would allow writing TABLE foo; as a top-level command, equivalent to SELECT * FROM foo; (see production <explicit table ). It can be used whereever a SELECT or VALUES can be ...
    Peter EisentrautPeter Eisentraut
    Oct 30, 2008 at 8:38 am
    Nov 18, 2008 at 4:01 pm
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160 users for October 2008

Tom Lane: 313 posts Simon Riggs: 143 posts Heikki Linnakangas: 87 posts Alvaro Herrera: 79 posts Greg Stark: 66 posts Robert Haas: 62 posts Magnus Hagander: 54 posts Zdenek Kotala: 39 posts Peter Eisentraut: 38 posts Jonah H. Harris: 36 posts Andrew Dunstan: 33 posts Hitoshi Harada: 29 posts David E. Wheeler: 28 posts Hannu Krosing: 26 posts Josh Berkus: 26 posts Pavel Stehule: 25 posts ITAGAKI Takahiro: 22 posts Joshua Drake: 21 posts Decibel!: 20 posts Greg Stark: 20 posts
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