threads listlengths 1 2.99k |
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[
{
"msg_contents": "So I gave up waiting for someone else to do the reloptions patch for\nautovacuum and started work on it myself. What I soon discovered is\nthat on first blush it seems a lot easier than I had expected.\n\nOn second look, however, the problem is that I seem to be\nforced to declare all the au... |
[
{
"msg_contents": "The thread here\nhttp://archives.postgresql.org/pgsql-performance/2008-10/msg00031.php\nillustrates an undesirable side effect of the recent patch to delay\ntable file unlinks to the next checkpoint. What is evidently happening\nis that copydir() fetches a block of a directory, and by the ti... |
[
{
"msg_contents": "Please checkout the patch that adds the PLUGINS functionality in src/makefiles/pgxs.mk it covers the Unix side of functionality. Thanks.\n\n> Date: Sat, 13 Sep 2008 10:33:30 +0300\n> To: anaeem.it@hotmail.com\n> CC: pgsql-hackers@postgresql.org\n> Subject: Re: [HACKERS] PLUGINS Functionlity i... |
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{
"msg_contents": "Hi,\n\nTrigger functions are supposed to be able to be called only as triggers,\nbut apparently the check is not working in CVS HEAD:\n\nalvherre=# create or replace function foo () returns trigger as $$ begin perform 1; return new; end; $$ language plpgsql;\nCREATE FUNCTION\nalvherre=# selec... |
[
{
"msg_contents": "All,\n\nI was discussing WITH RECURSIVE the other day, and realized that one thing \nwhich we're not getting with this patch is a simplest-case simple syntax \nwhich 75% of users are looking for. You know, the ones with simple \nproximity trees who just want to find all children of one paren... |
[
{
"msg_contents": "Attached are two and a half fixes for problems in psql's \ndescribeOneTableDetails function.\n\n1) After PQclear(res) we must null res out, so that later error handling \ncleanup doesn't try to PQclear it again.\n\n2) In error cleanup we cannot call printTableCleanup unless we've called \npri... |
[
{
"msg_contents": "Hello all,\n\nHere is a proof-of-concept patch for reducing the alignment\nrequirement for heap tuples on 64-bit systems.\nThis patch passes the regression tests and a couple of other data sets\nI have thrown at it.\n\nI am hoping to get some early feedback on this patch so I have time to\nma... |
[
{
"msg_contents": "I discovered a bug (server crash) with the conversion of bytea types to \nxml with base64 (and hex) encoding. \n\nThe patch against the postgres backend at the end of this email seems to \nresolve the problem. I've never touched the postgres source before, and \nthe patch is simply a copy & ... |
[
{
"msg_contents": "Is anyone working the \"CLUSTER: Add VERBOSE option...\" TODO item listed\non the PostgreSQL Wiki? If not, would it be wise for me to use\nVERBOSE handling in an existing command (e.g. VACUUM)\nas a guide while adding VERBOSE to CLUSTER?\n\nIs anyone working the \"CLUSTER: Add VERBOSE option.... |
[
{
"msg_contents": "current cvs head won't compile here, linking problem. I did try make \ndistclean, etc:\n\nUndefined symbols:\n \"_dgettext\", referenced from:\n _errmsg_internal in elog.o\n _elog_finish in elog.o\n _errcontext in elog.o\n _errhint in elog.o\n _errdetail_log i... |
[
{
"msg_contents": "Hi,\n\nbug report http://archives.postgresql.org/pgsql-bugs/2008-10/msg00037.php\nseems like a reasonably request to me... and one that is simple to\nfulfill, just create a PG_VERSION in the pg_tblspc dir at initdb.\nif no one objects, here is a one linear patch for that\n\n-- \nregards,\nJai... |
[
{
"msg_contents": "Log Message:\n-----------\nUn-break non-NLS builds.\n\nModified Files:\n--------------\n pgsql/src/include:\n c.h (r1.229 -> r1.230)\n (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/c.h?r1=1.229&r2=1.230)\n",
"msg_date": "Thu, 9 Oct 2008 22:23:46 +0000 (UTC)... |
[
{
"msg_contents": "The attached patch allows uuid_in() to parse a wider variety of\nvariant input formats for the UUID data type, per the TODO named in\nthe subject line.\n\nOriginal discussion here:\n\nhttp://archives.postgresql.org/pgsql-hackers/2008-02/msg01214.php\nhttp://archives.postgresql.org/pgsql-hacke... |
[
{
"msg_contents": "Hi all,\n\nI am new to postgresql. I am currently doing research to optimize the query\nperformance of RDBMS, specifically postgresql. Hence, I am currently reading\nout the code to understand the implementation of various query evaluation\nalgorithm in postgresql.\n\nCurrently, I am investig... |
[
{
"msg_contents": "\nCurrently, we advance latestCompletedXid during\nProcArrayEndTransaction() for both commits and aborts.\n\nIf a transaction aborts, its effects are invisible to us just the same\nas if the transaction is still running.\n\nISTM that we need not move latestCompletedXid as a result of an abort... |
[
{
"msg_contents": "Thinking about how to reduce the effects of certain race conditions\nmakes me think about whether it is possible to make a function called\nLWLockAcquireWithPriority().\n\nWe already allow \"queue jumping\" when lock mode != LW_EXCLUSIVE, so\nqueue jumping based upon an assigned priority rath... |
[
{
"msg_contents": "\nI'm kind of curious where the value of 4 for random_page_cost came from. \nIIRC, Tom, you mentioned it came from tests you ran -- were those raw i/o\ntests or Postgres cost estimates compared to execution times?\n\nTe reason I'm wondering about this is it seems out of line with raw i/o\nnum... |
[
{
"msg_contents": "On Thu, Oct 9, 2008 at 9:37 AM, Jim Cox <shakahshakah@gmail.com> wrote:\n\n> Is anyone working the \"CLUSTER: Add VERBOSE option...\" TODO item listed\n> on the PostgreSQL Wiki? If not, would it be wise for me to use\n> VERBOSE handling in an existing command (e.g. VACUUM)\n> as a guide while... |
[
{
"msg_contents": "So I was looking for other omissions in utility.c, and I noticed that\ncheck_xact_readonly() doesn't reject CLUSTER, REINDEX, or VACUUM.\nNow the notion of \"read only\" that we're trying to enforce is pretty\nweak (I think it's effectively \"no writes to non-temp tables\").\nBut I can't see ... |
[
{
"msg_contents": "Folks,\n\nMagnus and I decided to take on the annual /contrib cleanup for the code \nsprint here at pgWest. One of the areas we realized needs cleanup is \nthe use of schema with the modules -- Magnus, Bruce and I all think that \ncontrib modules really need to create and use their own priva... |
[
{
"msg_contents": "Folks,\n\nIt's that time again! Purging antiquated contrib modules.\n\nchkpass: this module is incomplete and does not implement all functions \nit describes. It's not really even useful as an Example since it uses \ncrypt() and not any modern encryption. And Darcy hasn't touched it in 6 \... |
[
{
"msg_contents": "I noticed while working on general fixes for the certificate handling\nthat if we have a connection being attempted with sslmode=prefer (which\nhappens to be our default), we will loose error messages.\n\nBasically, if we fail the SSL connection, we will throw away the error\nmessage and try ... |
[
{
"msg_contents": "The new \\ef psql command creates nicely usable \"CREATE OR REPLACE\nFUNCTION ...\" text based on the function I tell it to edit, but the\ntext it creates *doesn't* include a final semicolon, so when I exit my\neditor-of-choice after messing with my function, it doesn't run the\ncode I've giv... |
[
{
"msg_contents": "After reading Josh Berkus's email suggesting that the intagg module be\ndropped, I was wondering what would be required to create a array\nenumerator (variously called unnest, unroll, array_enum, and, as\ncontemplated by the TODO list, array_to_set). Pavel Stehule's\ngenerate_subscripts func... |
[
{
"msg_contents": "Hello,\n\nPostgres has configurations to log statements into server logs, but there\nare few convenience ways to summarize the logs as a view. Some external\nprojects like pgFouine or PQA have the functionality, but they consume\nmuch CPU resources and cannot summarize in real-time -- summari... |
[
{
"msg_contents": "We discussed many times what on-line storage upgrade approach is best. Two of \nthem were still in the game. One is \"read all formats, write new only\" and \nsecond is \"convert on read\". The first one is general and complex solution which \nneeds lot of changes in the code. Second one is n... |
[
{
"msg_contents": "\nThis crashes, apparently it tries to look up the result type on a NULL\nplanstate:\n\nwith recursive z(i) as (\n select * \n from t \n union all \n (with a(i) as (select * from z) \n select * from a)\n )\n select * from z;\n\nIncidentally, why are the parentheses re... |
[
{
"msg_contents": "I'm afraid the patch was too huge, trying to send it again without attachment...\n\nI made up my mind to scratch former window functions and redesigned\ncompletely new execution model, based on the discussion with Heikki.\nAttached is the v06 against HEAD today.\n\nhttp://umitanuki.net/pgsql/... |
[
{
"msg_contents": "Hi,\n\nI believe it makes sense adding some more details to explain analyze output\nlike the number of pages read/written.\nThis will allow one to understand the workload the query puts on the server\nmaking it easier to tune queries, choose the best indices, etc.\n\nAs far as I understand, t... |
[
{
"msg_contents": "Howdy,\n\nAny interest in adding a function like this to core?\n\nDatum\npg_version(PG_FUNCTION_ARGS)\n{\n PG_RETURN_INT32(PG_VERSION_NUM);\n}\n\n\nThat returns an integer, such as\n\ntry=# select pg_version();\n pg_version\n------------\n 80304\n(1 row)\n\nI've whipped this up for... |
[
{
"msg_contents": "so I wonder, quite few times ppl asked me about my-word database TOP % \nPERCENT (and I guess ms-word db has it too).\nNow that postgres has limit(subselect) - postgresql can do the same \nthing. But, using a count(*) in subselects isn't very efficient. The \nbackend gets information from ... |
[
{
"msg_contents": "Bacause MAX_TOAST_CHUNK_SIZE is related on page layout version I need have toast \nchunk size more flexible.\n\nAttached patch add three new columns into pg_class\n\nrelblocksize - which is always BLCKSZ. I put it there for fullness, but i could \nbe use in future development to specify diffe... |
[
{
"msg_contents": "Hi,\n\nReleased new sets:\n\nhttp://people.planetpostgresql.org/devrim/index.php?/archives/124-New-shapshot-RPMs-Oct-11-2008-are-ready-for-testing.html\n\nRegards,\n-- \nDevrim GÜNDÜZ, RHCE\ndevrim~gunduz.org, devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr\n http://www.gu... |
[
{
"msg_contents": "So somehow I got dragooned into speaking at the Pittsburgh Perl Workshop\n(which is held only a couple miles from where I live, so it was hard to\nsay no). A portion of what I had to say was that CPAN seemed to be a\nlot better-run than pgfoundry.\n\nSo ... I couldn't help noticing that the ... |
[
{
"msg_contents": "Hello,\n\nConstraint exclusion (CE) is very useful for partitioned tables,\nbut prepared statements interfere with CE if the parameter\ncontains partition keys, because CE is a planner-time optimization\nbut the actual parameters are given at executor-time.\n\nI have an idea to use constraint... |
[
{
"msg_contents": "Hi,\n\nAccording to the documentation (\nhttp://www.postgresql.org/docs/8.3/interactive/sql-createtrigger.html\n), the feaure \"SQL allows triggers to fire on updates to specific\ncolumns (e.g., AFTER UPDATE OF col1, col2)\" is missing.\nAfter a bit of research, I found that this feature was ... |
[
{
"msg_contents": "\nThis file was moved lo, these many years\n\n\ndiff --git a/src/tools/findoidjoins/make_oidjoins_check b/src/tools/findoidjoins/make_oidjoins_check\nindex 5061634..9c6b850 100755\n--- a/src/tools/findoidjoins/make_oidjoins_check\n+++ b/src/tools/findoidjoins/make_oidjoins_check\n@@ -54,7 +54... |
[
{
"msg_contents": "Howdy,\n\nNot sure if PostgreSQL uses time_t, but if so, this project provides \nuseful code (a drop-in replacement for time.h) to address the 2038 bug \non 32-bit platforms.\n\n http://code.google.com/p/y2038/\n\nUseful for PostgreSQL?\n\nBest,\n\nDavid\n",
"msg_date": "Mon, 13 Oct 2... |
[
{
"msg_contents": "Two different buildfarm machines are currently showing the same failure:\nhttp://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=kudu&dt=2008-10-13%2015:30:00\nhttp://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=dragonfly&dt=2008-10-13%2016:30:01\n\nThe postmaster log in each case shows\n\nERROR: c... |
[
{
"msg_contents": "Hello,\n\nWe finally got around to releasing Replicator as FOSS. It is BSD\nlicensed and available here:\n\nhttps://projects.commandprompt.com/public/replicator/wiki\n\n(Yes it is a self signed cert, its on the list to fix).\n\nEnjoy folks!\n\nSincerely,\n\nJoshua D. Drake\n\n\n-- \nThe Postg... |
[
{
"msg_contents": "ISTM that xact_desc routines do not work properly when called with\nWAL_DEBUG enabled from XLogInsert().\n\nLOG: INSERT @ 0/3740978: prev 0/3740938; xid 5699: Transaction -\ncommit: 2008-10-14 03:14:14.866437+01; subxacts: 10447936 0\nSTATEMENT: commit;\nLOG: INSERT @ 0/37409F0: prev 0/374... |
[
{
"msg_contents": "While playing around, I got into the situation that I have an \"orphaned \ntemp table\" in my database. The log is now slowly filling with these \nmessages:\n\nLOG: autovacuum: found orphan temp table \"pg_temp_2\".\"foo\" in database \n\"postgres\"\nLOG: autovacuum: found orphan temp table... |
[
{
"msg_contents": "Hi all.\nThis is not very \"hackers\"-related, but related to the topic of window-funcitons, which seems to be discussed quite a bit on \"hackers\" these days.\n\nCan window-functions in PG be used to return \"total number of rows\" in a \"paged result\"?\nSay you have:\nSELECT p.id, p.firstn... |
[
{
"msg_contents": "After terminating recovery mode by creating a trigger file postgres \nstarts up and complains about missing WAL files in pg_xlog; The last \ntwo which were replayed. Is this normal ?\n\nDave\n",
"msg_date": "Tue, 14 Oct 2008 06:25:02 -0400",
"msg_from": "Dave Cramer <pg@fastcrypt.co... |
[
{
"msg_contents": "I'm currently implement a new operation in Postgres.\nIf I want to get all tuples of a single attribute table to\ncreate an array defined by myself, how can I do that?\n\n\n-Zhe\n\nI'm currently implement a new operation in Postgres.If I want to get all tuples of a single attribute table to c... |
[
{
"msg_contents": "I'm currently implement a new operation in Postgres.\nIf I want to get all tuples of a single attribute table to\ncreate an array defined by myself, how can I do that?\n\n\n-Zhe\n\n-- \nBest Regards,\nZhe HE\nTEL: (001) 646-789-3008\nAddress:965 Amsterdam Avenue,\nNew York, NY 10025\n\nMaster... |
[
{
"msg_contents": "I've worked out what I think is a workable, efficient process for\nderiving snapshots during recovery. I will be posting a patch to show\nhow this works tomorrow [Wed 15 Oct], just doing cleanup now.\n\nRecovery Snapshots are snapshots taken during recovery. They are valid\nsnapshots in all w... |
[
{
"msg_contents": "We've been looking at breaking out some of our larger logging-type \ntables (INSERT only, other than DELETEs for regularly removing old \nrows for maintenance) using constraint partitioning to avoid the need \nfor heavy vacuuming. For some cases it's working well. In others, \nwe're runni... |
[
{
"msg_contents": "Hi,\n\nI don't know if you have noticed, but the spoonbill buildfarm member is\nfailing the citext test. Unfortunately the regression diff is not very\nhelpful:\n\nBinary files /home/pgbuild/pgbuildfarm/HEAD/pgsql.2397/contrib/citext/expected/citext.out and /home/pgbuild/pgbuildfarm/HEAD/pgs... |
[
{
"msg_contents": "The various exported functions in spi.c that take an attribute number\nare not consistent about how they range-check it --- some test against\ntupdesc->natts and some against HeapTupleHeaderGetNatts(tuple).\n(Look for references to SPI_ERROR_NOATTRIBUTE to see what I'm talking\nabout.)\n\nI'm... |
[
{
"msg_contents": "Hello,\n\nI found that pg_resetxlog always prints the following message on Windows.\n\n mapped win32 error code 2 to 2\n\nCan we supress this annoying message? It seems to come from _dosmaperr,\nbut the error \"postmaster.pid is not found\" is a *normal* situation\nin pg_resetxlog.\n\n ... |
[
{
"msg_contents": "I've been interested in what it would take to start tracking\ncross-column statistics. A review of the mailing lists as linked from\nthe TODO item on the subject [1] suggests the following concerns:\n\n1) What information exactly would be tracked?\n2) How would it be kept from exploding in si... |
[
{
"msg_contents": "Hi,\n \nI am facing issue compiling latest postgresql-8.3.4 code on windows .I installed Visual Studio 2005 Express and Microsoft windows SDK latest v6.1 on windows XP (SP2) as described by http://www.postgresql.org/docs/8.3/static/install-win32-full.html and trying to build postgresql-8.3.4,... |
[
{
"msg_contents": "ISTM it'd be useful to have an array_length function (since I just \nwrote one for work ;), so here's a patch. Note that I don't have the \ndocs toolchain setup, so I wasn't able to test the doc patches.\n\n\n\n-- \nDecibel!, aka Jim C. Nasby, Database Architect decibel@decibel.org\nGive y... |
[
{
"msg_contents": "Hi,\n\nI'm currently working on a patch for the TODO item :\n\n Allow databases to be moved to different tablespaces\n\nI already changed the syntax, added some code to move the relations of\nthe specific database to the target tablespace. It works. But I have\nthree issues I would like to d... |
[
{
"msg_contents": "\nSlruPhysicalReadPage() succeeds InRecovery if the file does not exist.\n\nBUT, if the file exists but is wrong size then it will still fail even\nInRecovery.\n\nThis seems inconsistent. Why is the first page OK to be created, but any\nother pages after that cause failure? ISTM the first pag... |
[
{
"msg_contents": "I am facing problem in tracing in what events the selectivity\nhistogram in pg_statistic is stored/updated.\n\nI went through the code in src/backend/commands/analyze.c and got to\nsee the code computing the histogram but when I tried to trace the\ncaller of analyze_rel or compute_index_stats... |
[
{
"msg_contents": "2008/10/15 Ian Caulfield <ian.caulfield@gmail.com>:\n> I started to look at implementing array_agg by making the existing\n> intagg stuff more generic\n\n... and here's what I've come up with.\n\nI've currently implemented this as a contrib module to make it quicker\nto develop/test.\n\nThe a... |
[
{
"msg_contents": "I noticed a minor leak in the per-query context when ExecReScanAgg()\nis called for a hashed aggregate. During rescan, build_hash_table() is\ncalled to create a new empty hash table in the aggcontext. However,\nbuild_hash_table() also constructs the \"hash_needed\" column list in\nthe per-que... |
[
{
"msg_contents": "Hello,\n\nthere is basic support of GROUPING SETS. This patch isn't ready for\nproduction! It's only material for discus. Parser and executor are\ndone. Planner part should be completely rewritten. I don't understand\nwell to planner, and I haven't idea that parts should be shared with\ngroup... |
[
{
"msg_contents": "First integrated patch for Hot Standby, allowing queries to be executed\nwhile in recovery mode.\n\nThe patch tests successfully with the enclosed files:\n* primary_setup_test.sql - run it on primary node\n* standby_allowed.sql - run on standby - should all succeed\n* standby_disallowed.sql -... |
[
{
"msg_contents": "I'm back, sorry for a long absence.\n\nAbout this bug: http://archives.postgresql.org/pgsql-bugs/2008-09/msg00086.php\n\nUnfortunately, GiST index doesn't work with change direction of scan. I.e. it \ncan't move forward then move backward and this behaviour was from the beginning.\n\nI think ... |
[
{
"msg_contents": "I just spent a couple of days trying to figure out why I couldn't start\ntwo servers on the same port, even though I was configuring separate\nlisten_address values. I kept gettting errors about shmget failing with\n\"could not create shared memory segment: Invalid argument\".\n\nI finally n... |
[
{
"msg_contents": "\nRadek, Zdenek, and Heikki had an extended discussion here at PGDay.it on\ncollation support. I was volunteered to be the note-taker (!). Here is the\nplan we came up with:\n\nFirstly, the ANSI standard makes collations into schema-qualified names which\npretty much forces us to have the col... |
[
{
"msg_contents": "Normally I would lurk on this list for a month or two before I considered\nposting, but I saw a note on collation and thought some of you might be\ninterested in my experience implementing collation for the ANTs Data Server.\n\nIn ADS, we treated the collation internally as part of the type f... |
[
{
"msg_contents": "Here is a patch that allows the new SQL:2008 syntax (also used by IBM)\n\n ALTER TABLE tab ALTER COLUMN col SET DATA TYPE typ\n\nalongside our current syntax\n\n ALTER TABLE tab ALTER COLUMN col TYPE typ\n\nI verified that we implement a superset what the standard says. (Of \ncourse,... |
[
{
"msg_contents": "Someone at the PostgreSQL West conference last weekend expressed an\ninterest in a Lisp procedural language. The only two Lisp environments\nI've found so far that aren't GPL are Steel Bank Common Lisp (MIT,\nhttp://sbcl.sourceforge.net) and XLispStat (BSD,\nhttp://www.stat.uiowa.edu/~luke/xl... |
[
{
"msg_contents": "> I can find how to do it with the new (window execution model) design,\n> (and the design is suitable to fix it above,) but at first before\n> going into trivial specs, I would like core hackers to review the\n> model is better than before or not. Thank you for your cooperation.\n\nSo no obj... |
[
{
"msg_contents": "Bruce Momjian wrote:\n> OK, a few comments:\n> \n> This should have spaces:\n> \n> \t! port->hba->ldapprefix?port->hba->ldapprefix:\"\",\n\nFixed. Though I guess pgindent would've fixed it eventually otherwise.\n\n\n> This is missing 'do' or something:\n> \n> \t+ #define MANDATORY_... |
[
{
"msg_contents": "I notice our docs have:\n\n If you are at all concerned about password\n <quote>sniffing</> attacks then <literal>md5</> is preferred, with\n <literal>crypt</> to be used only if you must support pre-7.2\n clients. Plain <literal>password</> should be avoided especially for\n\n\nA... |
[
{
"msg_contents": "SQL:2008 specifies the following syntax for what we have so far called \nLIMIT and OFFSET\n\nSELECT ... [ ORDER BY ... ]\n OFFSET num {ROW|ROWS} FETCH {FIRST|NEXT} [num] {ROW|ROWS} ONLY\n\nFor example,\n\nSELECT id, name FROM tab1 ORDER BY id OFFSET 20 ROWS FETCH NEXT 10 ROWS \nONLY;\n\n(... |
[
{
"msg_contents": "\nI'm looking to implement the following functions for Hot Standby, to\nallow those with administrative tools or management applications to have\nmore control during recovery. Please let me know if other functions are\nrequired.\n\nWhat else do we need?\n\n* pg_is_in_recovery()\nreturns bool ... |
[
{
"msg_contents": "For Hot Standby I need to mark which indexes are usable or not.\n\nThere are three aspects to index use during recovery:\n* Certain index types may not correctly implement fully concurrent\nlocking order to allow that index type to be used during recovery.\n* Other indexes might become unusab... |
[
{
"msg_contents": "Attached patch cleans up the certificate verification in libpq, and adds\na configuration paraqmeter to control it. The new parameter is\n\"sslverify\", and can be set to:\n\n* cn = default = will validate that the certificate chains to a trusted\nroot, *and* that the cn on the certificate ma... |
[
{
"msg_contents": "I'm looking at how to make queries safe during recovery, in the presence\nof concurrent changes to blocks. In particular, concurrent removal of\nrows that might be read by queries.\n\nMy thinking is \n* we ignore LockRelationForExtension(). Normal queries never request it.\nAll new blocks wer... |
[
{
"msg_contents": "Log Message:\n-----------\nSQL 200N -> SQL:2003\n\nModified Files:\n--------------\n pgsql/src/backend/parser:\n gram.y (r2.625 -> r2.626)\n (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/gram.y?r1=2.625&r2=2.626)\n",
"msg_date": "Mon, 20 Oct 2008 14:2... |
[
{
"msg_contents": "Hi All,\n\nwe would like to start some work on improving the performance of\nPostgreSQL in a multi-CPU environment. Dano Vojtek is student at the\nFaculty of Mathematics and Physics of Charles university in Prague\n(http://www.mff.cuni.cz) and he is going to cover this topic in his\nmaster th... |
[
{
"msg_contents": "Hi everyone,\n\nI'm just following up on the patch created here by Tom to aid with\nrepeated de-TOASTing attempts:\nhttp://archives.postgresql.org/pgsql-hackers/2008-06/msg01096.php\n\nGiven the performance report from Jeff\n(http://archives.postgresql.org/pgsql-hackers/2008-08/msg01178.php),... |
[
{
"msg_contents": "Log Message:\n-----------\nRework subtransaction commit protocol for hot standby.\n\nThis patch eliminates the marking of subtransactions as SUBCOMMITTED in pg_clog\nduring their commit; instead they remain in-progress until main transaction\ncommit. At main transaction commit, the commit pr... |
[
{
"msg_contents": "Last commit broken transam.c function definitions:\n\n\n\"transam.c\", line 268: void function cannot return value\n\"transam.c\", line 280: void function cannot return value\ncc: acomp failed for transam.c\n\n\nDetail \nhttp://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=gothic_moth&dt=2008-10... |
[
{
"msg_contents": "Per earlier discussion,\nhttp://archives.postgresql.org/pgsql-hackers/2008-10/msg00853.php\nI've been fooling around with a patch to let the planner evaluate\nsome expressions at lower join levels and bubble the results up\nlike Vars. I've got it passing the regression tests now, and though\... |
[
{
"msg_contents": "Hi,\n\nMy Debian system (now running Linux 2.6.26) is no longer dumping core\nfiles, and I can't figure out why :-(\n\nOf course, I've set ulimit -c to unlimited, and I'm running the\npostmaster directly in the same shell (no pg_ctl or init scripts), but\nit's still not working. I'm not sure... |
[
{
"msg_contents": "Log Message:\n-----------\nProperly access a buffer's LSN using existing access macros instead of abusing\nknowledge of page layout.\n\nStolen from Jonah Harris' CRC patch\n\nModified Files:\n--------------\n pgsql/src/backend/storage/buffer:\n bufmgr.c (r1.238 -> r1.239)\n (... |
[
{
"msg_contents": "We propose a patch that improves hybrid hash join's performance for\nlarge multi-batch joins where the probe relation has skew.\n\n \n\nProject name: Histojoin\n\nPatch file: histojoin_v1.patch\n\n \n\nThis patch implements the Histojoin join algorithm as an optional\nfeature added to the sta... |
[
{
"msg_contents": "Alvaro Herrera wrote:\n> So this discussion died with no solution arising to the\n> hint-bit-setting-invalidates-the-CRC problem.\n\nIs there no point at which a page is logically committed to\nstorage, past which no mutating access may be performed?\n\n\n",
"msg_date": "Mon, 20 Oct 2008 ... |
[
{
"msg_contents": "Hi,\n \nI'm new to Postgres and would appreciate some help\nin understanding what the limitations of TSEARCH2 and\nthe Thesauri operation.\n \nI'm trying to use the thesaurus as a geo-tagger/coder.\nThe first part of the problem is to create placename\nlist with additional information such as... |
[
{
"msg_contents": "Dear postgresql hackers,\n\nI would like to be able to get results from SQL commands directly in a\nbinary format, instead of a textual one. Actually, I want to be able to\nget timestamps with their full precision (microsecond).\n\ngoogling around i found some threads on this mailing list abo... |
[
{
"msg_contents": "I started to rework the SE-PostgreSQL documentation to catch up\nthe latest implementation, because the existing PDF documents are\na bit legacy to be updated.\nIn addition, I moved them to wiki site for easier future updates.\n http://code.google.com/p/sepgsql/wiki/TheSepgsqlDocument\n\nHo... |
[
{
"msg_contents": "\n> (Mike, it lacks a copyright notice, I take it BSD is okay).\nThats fine with me..\n\n\nAlso - for completeness (for the list) - I think the plan is to convert the \nawk to perl (via a2p + some tweaking) if awk is not already used as part of \nthe build process (to avoid adding another pr... |
[
{
"msg_contents": "I need to repair the old version of Postgresql.\n\npg_dump does not work, I tried few other things but could not come up\nwith any workable scenario.\n\nAny help will be greatly appreciated!\n\nThanks,\n\nMichael.\n\n \n\n \n\ncdb=# vacuum;\n\nWARNING: Rel pg_proc: TID 31/20: OID IS INVALID.... |
[
{
"msg_contents": "Hi,\n \nI'm new to Postgres and would appreciate some help\nin understanding what the limitations of TSEARCH2 and\nthe Thesauri operation.\n \nI'm trying to use the thesaurus as a geo-tagger/coder.\nThe first part of the problem is to create placename\nlist with additional information such as... |
[
{
"msg_contents": "\nNext stage is handling locks and proc interactions. While this has been\non Wiki for a while, I have made a few more improvements, so please read\nagain now.\n\nSummary of Proposed Changes\n---------------------------\n\n* New RMgr using rmid==8 => RM_RELATION_ID (which fills last gap)\n* W... |
[
{
"msg_contents": "Hi everybody,\n\nme and Gabriele Bartolini have been working on Bitmap Indexes (BMI) in\nthe last weeks, with advice and guidance from Simon Riggs. We feel\nthat we are about to approach the point where it is appropriate to ask\nfor feedback from this list.\n\nThank you,\nDr. Gianni Ciolli - ... |
[
{
"msg_contents": " WHERE '12814474045' IN (people.home_phone, people.work_phone, \npeople.mobile_phone)\n\nYeah, not exactly a common case, but at least in 8.1 this was turned \ninto a set of ORs. Starting in 8.2 and in current HEAD, the planner \nturns that into:\n\nFilter: ('12814474045'::text = ANY... |
[
{
"msg_contents": "Hi,\n\nI'm trying to see if it makes sense to do the double-buffering of page\nwrites before going further ahead with CRC checking. I came up with the\nattached patch; it does the double-buffering inconditionally, because as\nit was said, it allows releasing the io_in_progress lock (and rese... |
[
{
"msg_contents": "I am going to do some hardware upgrading on buildfarm Cardinal. It will be\ndown for sometime. \n\nRegards,\nGevik\n\n",
"msg_date": "Tue, 21 Oct 2008 19:11:58 +0200",
"msg_from": "\"Gevik Babakhani\" <pgdev@xs4all.nl>",
"msg_from_op": true,
"msg_subject": "Buildfarm Cardinal... |
[
{
"msg_contents": "Currently, the constructs\n\t'{}'::arraytype\n\tARRAY[]::arraytype\nreturn zero-dimensional arrays, as does the underlying function\nconstruct_empty_array(). I can't immediately find any way at SQL\nlevel to produce an empty array with one or more dimensions.\nHowever, construct_array and co... |
[
{
"msg_contents": "I have a client who mistakenly gave the postgres user on a windows \nmachine admin privileges.\n\nThis mistake results in the service being unable to start up due to \npostgres refusing to start with admin privileges.\n\nThe error message from pg_ctl start -D bindir is PG_CTL..\"could not ... |
[
{
"msg_contents": "Separate thread to draw attention.\n\nUnfortunately, I introduced new bug in GiST while fixing possible duplication of \ntuples during GiST's scan. Bug is a marking as dead wrong tuples in index and, \nas result, index could return less number results than it should be. Fixes are \nalready co... |
[
{
"msg_contents": "Here is another patch for relatively redundant SQL:2008 functionality. \nThey standardized in CURRENT_CATALOG and CURRENT_SCHEMA (without \nparentheses, as usual) for what we have as current_database() and \ncurrent_schema(). They also added SET CATALOG and SET SCHEMA. SET \nCATALOG won't w... |
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