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154 discussions - 2,113 posts

  • All, There's been a lot of discussion on synch rep lately which involves quorum commit. I need to raise some major design issues with quorum commit which I don't think that people have really ...
    Josh BerkusJosh Berkus
    Oct 5, 2010 at 7:11 pm
    Oct 21, 2010 at 12:49 am
  • Hackers, What purpose is served, exactly, by max_wal_senders? In order for a standby to connect, it must have a superuser login, and replication connections must be enabled in pg_hba.conf. How is ...
    Josh BerkusJosh Berkus
    Oct 19, 2010 at 12:20 am
    Nov 24, 2010 at 3:13 am
  • Hi, Please find attached a WIP patch for extension's pg_dump support in PostgreSQL, following design decisions that we've outlined earlier at this year's and last year's PGCon developer meetings. ...
    Dimitri FontaineDimitri Fontaine
    Oct 12, 2010 at 6:57 pm
    Dec 3, 2010 at 2:10 pm
  • Hi all After this recent "fun" trying to get a usable crash dump or stack trace from a crashing autovacuum worker on Windows, I'd like to make a quick proposal - one that'll be followed by a patch if ...
    Craig RingerCraig Ringer
    Oct 4, 2010 at 11:50 am
    Jul 10, 2011 at 10:36 pm
  • Hi, In the road to the extension patch, we already found some parts that have to be separated into their own patch. Here's another one. It occurred to me while implementing the pg_extension_objects() ...
    Dimitri FontaineDimitri Fontaine
    Oct 30, 2010 at 9:06 pm
    Nov 28, 2010 at 1:06 pm
  • Simon, Fujii, What follows are what I see as the major issues with making two-server synch replication work well. I would like to have you each answer them, explaining how your patch and your design ...
    Josh BerkusJosh Berkus
    Oct 7, 2010 at 6:06 pm
    Oct 19, 2010 at 7:21 pm
  • This is a continuation from this thread: http://archives.postgresql.org/pgsql-hackers/2010-09/msg02153.php The attached patch allows creating a primary key using an existing index. This capability ...
    Gurjeet SinghGurjeet Singh
    Oct 9, 2010 at 6:08 pm
    Jan 26, 2011 at 1:02 pm
  • Robert asked me to write this up, so here it is. It is critical that we make replication easier to set up, administrate and monitor than it currently is. In my conversations with people, this is more ...
    Josh BerkusJosh Berkus
    Oct 19, 2010 at 12:16 am
    Nov 12, 2010 at 2:05 pm
  • This is my review on the "Fix snapshot taking inconsistencies patch". The patch applies against master (a13f12b3a18da0a61571cb134fdecea03a10d6f) However initdb fails with: FATAL: return type mismatch ...
    Steve SingerSteve Singer
    Oct 3, 2010 at 2:09 am
    Mar 1, 2011 at 4:31 am
  • Hi all. Here is a proposed patch which enables cancellation of $subject. The problematic point about doing so is that the client is not expecting any messages from the server when its in an idle ...
    Andres FreundAndres Freund
    Oct 17, 2010 at 6:00 pm
    Jan 4, 2011 at 3:25 am
  • as seen below create tablespace does not throw an error or appear to do anything other than register the tablespace. postgres@db01:~ less /opt/pg/data/jnj_indexes/PG_VERSION 8.4 postgres@db01:~ ...
    Dave CramerDave Cramer
    Oct 18, 2010 at 3:24 pm
    Dec 12, 2010 at 11:10 pm
  • Quorum commit, even with configurable vote weights, can't handle a requirement that a particular commit be replicated to (A || B) && (C The use case is something like "we want to make sure we've ...
    Robert HaasRobert Haas
    Oct 4, 2010 at 3:20 pm
    Oct 8, 2010 at 5:39 pm
  • Folks, Please find enclosed a WIP patch from one of my co-workers intended to support JDBC's setQueryTimeout, along with the patch for JDBC that uses it. I think this is an especially handy ...
    David FetterDavid Fetter
    Oct 11, 2010 at 6:46 am
    Nov 23, 2010 at 3:54 pm
  • This surprised me: psql -p 55555 -h localhost psql: could not connect to server: Connection refused Is the server running on host "localhost" and accepting TCP/IP connections on port 55555? could not ...
    Peter EisentrautPeter Eisentraut
    Oct 14, 2010 at 4:27 am
    Nov 27, 2010 at 12:18 am
  • Hi all - I independently started some work on a similar capability as was contributed back in August by Joey Adams for a json datatype. Before starting, I did a quick search but for some reason ...
    Terry LaurenzoTerry Laurenzo
    Oct 16, 2010 at 4:59 pm
    Nov 21, 2010 at 6:27 pm
  • I see that plperl uses a triple of (function oid, is_trigger flag, user id) as a hash key for caching compiled functions. OTOH pltcl and plpgsql both use (oid, trigger relation oid, user id). Is ...
    Jan UrbańskiJan Urbański
    Oct 24, 2010 at 9:40 pm
    Nov 8, 2010 at 5:37 pm
  • It occurred to me in the dead of the night that instead of: ALTER TYPE enumtype ADD 'newlabel' it might be better to have: ALTER TYPE enumtype ADD LABEL 'newlabel' That way if we later wanted to ...
    Andrew DunstanAndrew Dunstan
    Oct 25, 2010 at 3:49 pm
    Nov 14, 2010 at 4:59 pm
  • Folks, Please find attached patch for $subject :) Cheers, David. -- David Fetter <david@fetter.org http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: ...
    David FetterDavid Fetter
    Oct 25, 2010 at 8:03 pm
    Dec 16, 2010 at 11:33 pm
  • I'm working on the design for Range Types for 9.1: http://wiki.postgresql.org/wiki/RangeTypes But I think that floating-point timestamps may pose a problem. In this thread: ...
    Jeff DavisJeff Davis
    Oct 17, 2010 at 4:56 pm
    Oct 25, 2010 at 9:01 pm
  • I'd like to open the discussion for Range Types again. This is a fairly long email because several issues are intertwined, and I don't think they can be neatly pulled apart. Previous discussions: ...
    Jeff DavisJeff Davis
    Oct 24, 2010 at 10:04 pm
    Nov 1, 2010 at 8:43 pm
  • Currently it isn't possible to create temporary tables on read-only standby servers, and I don't see it listed on the TODO list. Can I add it? -- Bruce Momjian <bruce@momjian.us http://momjian.us ...
    Bruce MomjianBruce Momjian
    Oct 18, 2010 at 5:52 pm
    Oct 23, 2010 at 1:50 pm
  • I was reminded today that I'd promised to do $SUBJECT awhile back. It's worth having so that hash joins and hash aggregation can work on array values. I believe this is a fairly straightforward ...
    Tom LaneTom Lane
    Oct 30, 2010 at 4:21 pm
    Nov 4, 2010 at 12:35 pm
  • I spent yesterday writing a new tool pg_rawdump (which will be released as open source in due course), which takes the table files in an arbitrary pgsql database, and is able to transform those back ...
    Stephen R. van den BergStephen R. van den Berg
    Oct 19, 2010 at 8:21 pm
    Oct 22, 2010 at 1:03 am
  • Hi, While looking at binary COPY performance I forgot to add BINARY and was a bit shocked to see printf that high in the profile... Setup: CREATE TABLE convtest AS SELECT a.i ai, b.i bi, a.i*b.i ...
    Andres FreundAndres Freund
    Oct 31, 2010 at 9:43 pm
    Dec 3, 2010 at 12:32 pm
  • [Moving to -hackers] Thanks, Simon. Attached is a simple patch to let column-level UPDATE privileges allow a user to LOCK TABLE in a mode higher than Access Share. Small doc. update and regression ...
    Josh KupershmidtJosh Kupershmidt
    Oct 15, 2010 at 7:50 pm
    Dec 3, 2010 at 2:30 pm
  • While trying to build PostgreSQL 9.0 on a machine where the SA had omitted to install a lot of the required packages, I noticed a couple of cases where configure passed but the build failed due to ...
    Andrew DunstanAndrew Dunstan
    Oct 2, 2010 at 5:01 pm
    Mar 10, 2011 at 8:48 pm
  • Dear All I want to use hugepage function on Linux platform, my question is if PostgreSQL supports hugepage in default, if not, what's the code need to be modified? Thank you for your greate support ...
    Hsien-Wen ChuHsien-Wen Chu
    Oct 20, 2010 at 12:39 am
    Oct 24, 2010 at 4:29 pm
  • I am reviewing Jan Otto's ISN patch, as part of the ongoing commit-fest. I've attached a revised patch, which was produced with git diff. The original was produced against CVS head. The patch ...
    Peter GeogheganPeter Geoghegan
    Oct 2, 2010 at 5:30 pm
    Oct 20, 2010 at 1:03 pm
  • Hi folks, One of the speedbumps I hit when setting up HS+SR was naming the user the slave would connect as for streaming replication. At first I picked 'replication', which seemed quite natural to me ...
    Brendan JurdBrendan Jurd
    Oct 9, 2010 at 2:13 am
    Apr 1, 2011 at 5:52 am
  • I have gone through the source code a bit but I wanted to know that which file contains the code that performs the final SLECTION after the optimizer has created the final plan? I mean which part of ...
    Vaibhav KaushalVaibhav Kaushal
    Oct 10, 2010 at 8:03 am
    Nov 11, 2010 at 1:57 am
  • Hello guys, I'm writing a function that will read data from the buffer in xlog (i.e. from XLogCtl- pages and XLogCtl- xlblocks). I want to make sure that I am doing it correctly. For reading from the ...
    Fazool meinFazool mein
    Oct 22, 2010 at 7:09 pm
    Oct 27, 2010 at 7:53 pm
  • Currently, foreign keys only work with the = operator (the name might be different, but it needs to behave like equality). I'm thinking there are other scenarios that could be useful, for example ...
    Peter EisentrautPeter Eisentraut
    Oct 25, 2010 at 7:11 pm
    Mar 20, 2011 at 8:56 pm
  • At the moment, when you specify recovery_target_timeline='latest', we scan for the latest timeline at the beginning of recovery, and pick that as the target. If new timelines appear during recovery, ...
    Heikki LinnakangasHeikki Linnakangas
    Oct 27, 2010 at 2:42 pm
    Dec 8, 2011 at 5:28 am
  • Hi guys, got across an interesting problem of passing params to a function in postgre: is it possible to pass a composite parameter to a function without declaring a type first? For example: // ...
    GregGreg
    Oct 25, 2010 at 4:03 pm
    Oct 28, 2010 at 5:14 pm
  • This is based on the Kevin's git repo at: git://git.postgresql.org/git/users/kgrittn/postgres.git SHA1: 729541fa5ea94d66e6f4b22fb65bfef92214cd6b * Trivial stuff: I get a compiler warning: indexfsm.c: ...
    Jeff DavisJeff Davis
    Oct 18, 2010 at 5:54 am
    Oct 24, 2010 at 11:24 pm
  • Our documentation in <http://www.postgresql.org/docs/9.0/interactive/hot-standby.html currently says the following: <snip Running DROP DATABASE, ALTER DATABASE ... SET TABLESPACE, or ALTER DATABASE ...
    Bernd HelmleBernd Helmle
    Oct 3, 2010 at 5:14 pm
    Oct 5, 2010 at 1:58 pm
  • I found an explicit UNION ALL has higher cost than an automatic expansion by inheritance (49 vs. 83 in the example below). Where does the difference come from? Since they have almost same plan trees, ...
    Itagaki TakahiroItagaki Takahiro
    Oct 21, 2010 at 5:02 am
    Nov 8, 2010 at 8:27 pm
  • Hi, A customer was hitting some misbehavior in one of their internal tests and I tracked it down to plancache not behaving properly with subtransactions: in particular, a plan is not being marked ...
    Alvaro HerreraAlvaro Herrera
    Oct 21, 2010 at 9:06 pm
    Nov 1, 2010 at 4:26 pm
  • Hi, I'm looking for a way to reliably detect if it's a promoting standby. This is neccessary for pgpool-II manage streaming replication clusters. When primary goes down, standby *could* start ...
    Tatsuo IshiiTatsuo Ishii
    Oct 13, 2010 at 12:10 pm
    Oct 21, 2010 at 9:12 am
  • man git-pull sayeth In its default mode, git pull is shorthand for git fetch followed by git merge FETCH_HEAD. However, I just tried that and it failed rather spectacularly. How do you *really* ...
    Tom LaneTom Lane
    Oct 1, 2010 at 3:27 pm
    Oct 1, 2010 at 7:14 pm
  • Hi, As the result of the discussion, I think that we need the following two parameters for the case where the standby goes down. * replication_timeout This is the maximum time to wait for the ACK ...
    Fujii MasaoFujii Masao
    Oct 15, 2010 at 12:41 pm
    Dec 6, 2010 at 7:50 am
  • I just noticed that there doesn't seem to be any good way of finding out what a postmaster's default value of unix_socket_directory is. If you try to SHOW it you just get an empty string. We could ...
    Tom LaneTom Lane
    Oct 21, 2010 at 6:07 pm
    Feb 27, 2011 at 10:40 pm
  • All, I thought we fixed this in 8.4.4, but apparently not. In the event that you have a GIN index containing a WHERE clause which is sufficiently restrictive, PostgreSQL will attempt to use the index ...
    Josh BerkusJosh Berkus
    Oct 8, 2010 at 12:49 am
    Nov 12, 2010 at 6:32 pm
  • [ CC to hackers.] Should we consider moving pg_filedump into our /contrib? -- Bruce Momjian <bruce@momjian.us http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything ...
    Bruce MomjianBruce Momjian
    Oct 14, 2010 at 4:41 pm
    Oct 21, 2010 at 10:31 pm
  • SQL/MED will have some kinds of planner hooks to support FDW-depending plan execution. Then, we will need to support user-defined executor nodes. The proposed SQL/MED has own "executor node hooks" in ...
    Itagaki TakahiroItagaki Takahiro
    Oct 25, 2010 at 11:16 am
    Nov 17, 2010 at 5:18 pm
  • One of the items on the Wiki ToDo list is sorted writes for checkpoints. The consensus seemed to be that this should be done by adding hook(s) into the main code, and then a contrib module to work ...
    Jeff JanesJeff Janes
    Oct 29, 2010 at 3:00 am
    Nov 8, 2010 at 11:27 pm
  • Here's a big patch to avoid passing around type OID + typmod (+ collation) separately all over the place. Instead, there is a new struct TypeInfo that contains these fields, and only a pointer is ...
    Peter EisentrautPeter Eisentraut
    Oct 31, 2010 at 6:03 am
    Nov 1, 2010 at 1:13 am
  • While we were discussing allowing generic record type arguments to plperl functions, Tom suggested that we should expose the type information about the record members to plperl. I think if we do that ...
    Andrew DunstanAndrew Dunstan
    Oct 28, 2010 at 3:25 pm
    Oct 28, 2010 at 6:41 pm
  • Hi folks, In my own databases, I've been using a couple of C functions that might be useful to the wider community. They are very simple date/timestamp constructors that take integers as their ...
    Brendan JurdBrendan Jurd
    Oct 22, 2010 at 6:45 pm
    Oct 22, 2010 at 9:10 pm
  • In bug #5717, Richard Huxton complains that a domain declared like CREATE DOMAIN mynums numeric(4,2)[1]; doesn't work properly, ie, the typmod isn't enforced in places where it reasonably ought to ...
    Tom LaneTom Lane
    Oct 19, 2010 at 10:14 pm
    Oct 21, 2010 at 5:51 pm
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142 users for October 2010

Tom Lane: 316 posts Robert Haas: 311 posts Dimitri Fontaine: 102 posts Andrew Dunstan: 82 posts Josh Berkus: 75 posts Alvaro Herrera: 72 posts Heikki Linnakangas: 58 posts Simon Riggs: 58 posts Greg Stark: 54 posts Bruce Momjian: 52 posts Pavel Stehule: 52 posts Peter Eisentraut: 50 posts Fujii Masao: 49 posts Kevin Grittner: 46 posts Itagaki Takahiro: 41 posts Markus Wanner: 37 posts Dean Rasheed: 34 posts David Fetter: 33 posts Greg Smith: 30 posts Magnus Hagander: 30 posts
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