threads listlengths 1 2.99k |
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[
{
"msg_contents": "People have always expressed interest in $subject, so I wondered how\nhard it could possibly be and came up with the attached patch.\n\nNotifications that are generated on the master and are forwarded to\nthe standby can be used as a convenient way to find out which changes\nhave already made... |
[
{
"msg_contents": "This patch adds a new GUC \"sepgsql.client_label\" that allows client\nprocess to switch its privileges into another one, as long as the\nsystem security policy admits this transition.\nBecause of this feature, I ported two permissions from \"process\" class\nof SELinux; \"setcurrent\" and \"... |
[
{
"msg_contents": "The attached patch adds OAT_DROP object-access-hook around permission\nchecks of object deletion.\nDue to the previous drop statement reworks, the number of places to\nput this hook is limited to these six points: RemoveObjects,\nRemoveRelations, ATExecDropColumn, dropdb, DropTableSpace and\n... |
[
{
"msg_contents": "Folks,\n\nPlease find attached a new revision of the double-write patch. While\nthis one still uses the checksums from VMware, it's been\nforward-ported to 9.2.\n\nI'd like to hold off on merging Simon's checksum patch into this one\nfor now because there may be some independent issues.\n\nQ... |
[
{
"msg_contents": "Greg Smith muttered a while ago about wanting to do something with\nsync_file_range to improve checkpoint behavior on Linux. I thought he\nwas talking about trying to sync only the range of blocks known to be\ndirty, which didn't seem like a very exciting idea, but after looking\nat the man ... |
[
{
"msg_contents": "Hi,\nAfter running regression, I ran EXPLAIN on one of the queries in regression\n(test create_misc) and got following output\nregression=# explain verbose select * into table ramp from road where name\n~ '.*Ramp';\n QUERY\nPLAN\n---------------------------... |
[
{
"msg_contents": "\"\nI am able to write array_to_json fce and Andrew can write query_to_json\"\n\n+1\n\nThanks guys...\n\nWe are using a lot of JSON as communication protocol...\n\nhaving core support for JSON, And those functions, will be a real life\nsaver...\n\nMany thanks,\n\nMisa\n\nSent from my Windows ... |
[
{
"msg_contents": "There is currently no reliable way to retrieve from a result object in\nPL/Python the number, name, or type of the result columns. You can get\nthe number and name if the query returned more than zero rows by looking\nat the row dicts, but that is unreliable. The type information isn't\nava... |
[
{
"msg_contents": "In psql, the tab completion always converts key words to upper case. In\npractice, I and I think most users type in lower case. So then you end\nup with commands looking like this:\n\n=> alter TABLE foo add CONSTRAINT bar check (a > 0);\n\nTo address this, I have implemented a slightly diff... |
[
{
"msg_contents": "Here is a patch to add a command\n\nALTER TABLE ... RENAME CONSTRAINT ...\n\nCurrently, it only supports table constraints. I have an almost\nfinished patch for renaming domain constraints, but it is easier to keep\nit separate.",
"msg_date": "Wed, 11 Jan 2012 22:49:49 +0200",
"msg_f... |
[
{
"msg_contents": "Hi,\n\nI just notice $SUBJECT and this could lead us to a segmentation fault\nif by accident we point to a system with a different number of columns\nin IDENTIFY_SYSTEM, at least i point pg_receivexlog from current head\nto a 9.0 instalation and got that.\n\nAny reason for not checking number... |
[
{
"msg_contents": "PGCon 2012 will be held 17-18 May 2012, in Ottawa at the University of\nOttawa. It will be preceded by two days of tutorials on 15-16 May 2012.\n\nWe are now accepting proposals for talks. Proposals can be quite \nsimple. We do not require academic-style papers.\n\nIf you are doing somethin... |
[
{
"msg_contents": "Going back through the patches we had to make to 9.0 to move to\nPostgreSQL triggers, I noticed that I let the issues raised as bug\n#6123 lie untouched during the 9.2 development cycle. In my view,\nthe best suggestion for a solution was proposed by Florian here:\n \nhttp://archives.postgre... |
[
{
"msg_contents": "Hi,\n\nHere is an unfinished patch to implement something which appears on\nthe TODO list under ALTER: automatic renaming of sequences created\nwith serial when the table and column names change. I've often wanted\nthis feature and it seemed like a good starter project. I'd be\ngrateful for... |
[
{
"msg_contents": "I'm working on a tool that runs pg_restore with -j 4. I notice that\nafter COPYing in the data, pg_restore does two indexes and a cluster\ncommand in parallel. The first CREATE INDEX is running, the CLUSTER\ncommand is waiting on it and the second CREATE INDEX is waiting on the\nCLUSTER. This... |
[
{
"msg_contents": "I've had cause, a few times this development cycle, to want to measure\nthe amount of spinning on each lwlock in the system. To that end,\nI've found the attached patch useful. Note that if you don't define\nLWLOCK_STATS, this changes nothing except that the return value from\ns_lock become... |
[
{
"msg_contents": "In order to simulate real-world clog contention, we need to use\nbenchmarks that deal with real world situations.\n\nCurrently, pgbench pre-loads data using COPY and executes a VACUUM so\nthat all hint bits are set on every row of every page of every table.\nThus, as pgbench runs it sees zero... |
[
{
"msg_contents": "Tom Lane wrote:\n> \"Kevin Grittner\" writes:\n \n>> Going back through the patches we had to make to 9.0 to move to\n>> PostgreSQL triggers, I noticed that I let the issues raised as bug\n>> #6123 lie untouched during the 9.2 development cycle. In my view,\n>> the best suggestion for a sol... |
[
{
"msg_contents": "New -x option for pgbench executes the given command once after\nconnection of each session.\n\ne.g.\npgbench -x \"SET synchronous_commit = off\"\npgbench -x \"SET foo_extension.enabled = on\"\n\nAllows easier testing of user parameters. Command listed in final report\n\n$ pgbench -c 2 -t 4 -... |
[
{
"msg_contents": "Hi,\n\nIn current HEAD, create index regression is failing (at least here).\nIs anyone else seeing this?\nAttached regression.diffs\n\nthe query where the regression fails is:\n\nSELECT count(*) FROM dupindexcols\n WHERE f1 > 'LX' and id < 1000 and f1 ~<~ 'YX';\n\nmy first theory was that it... |
[
{
"msg_contents": "While working on bug #6393 I was reminded of the truth of $SUBJECT: any\nrows inserted into the new toast table will have the xmin of the CLUSTER\nor VACUUM FULL operation, and invalid xmax, whereas their parent heap\nrows will have xmin/xmax copied from the previous instance of the table.\nT... |
[
{
"msg_contents": "Hot Standby returns ERRCODE_READ_ONLY_SQL_TRANSACTION in most cases\nfor illegal actions on a standby.\n\nThere are two possible but not normally seen cases that give errors,\nbut don't set the correct sqlstate, which makes it difficult to\ndiagnose misdirected SQL from more normal SQL proble... |
[
{
"msg_contents": "Patch\n<http://archives.postgresql.org/message-id/4EDBEFBB.9070509@gmail.com>\n\n\nIn reviewing the referenced patch, we found that it has no developer\ndocumentation and no regression tests. While it compiles and installs,\nthere is nothing to tell us how to use (or test) it.\n\n\n--Christop... |
[
{
"msg_contents": "Just reviewed the patch for adding URI connection string support for libpg.\n\nThere seem to be many tabs in the patch. Perhaps the indentation is not\ncorrect.\n\nAlso, the patch did not run correctly:\n\npatching file src/interfaces/libpq/fe-connect.c\nHunk #1 succeeded at 282 with fuzz 1.... |
[
{
"msg_contents": "hi,\n\ngistVacuumUpdate was removed when old-style VACUUM FULL was removed.\ni wonder why.\nit was not practical and REINDEX is preferred?\n\nanyway, the removal seems incomplete and there are some leftovers:\n\tF_TUPLES_DELETED\n\tF_DELETED\n\tXLOG_GIST_PAGE_DELETE\n\nYAMAMOTO Takashi\n",
... |
[
{
"msg_contents": "\nCompiling on Ubuntu 10.04 LTS AMD64 on a GoGrid virtual machine from 2012-01-12 git checkout.\n\nPatch applied fine.\n\nDocs are present, build, look good and are clear.\n\nChanges to gram.y required Bison 2.5 to compile. Are we requiring Bison 2.5 now? There's no configure check for it, ... |
[
{
"msg_contents": "https://commitfest.postgresql.org/action/patch_view?id=742\n\nCompiled on Ubuntu 10.04.2 LTS from 2012-01-12 git checkout\n\n- patch successfully applied\n- docs built and viewable and reviewed\n- source/patch built\n- make check ran successfully\n- additional testing with pgbench passed\n\nC... |
[
{
"msg_contents": "Compiling on Ubuntu 10.04 LTS AMD64 on a GoGrid virtual machine from\n2012-01-12 checkout.\n\nBison upgraded to v2.5, and downgraded to v2.4.1\n\nMake process for both versions resulted in the following errors:\n\nmake[3]: Leaving directory `/usr/local/src/pgbuild/src/backend/catalog'\nmake -... |
[
{
"msg_contents": "Hi all,\n\nWhy would a string comparison work in one case and not another? In\nthe following example, it works to compare a and b, but not a and d.\n\nThis is in a C module which calls\n\n DirectFunctionCall2( text_le, d1, d2 );\n\nDEBUG: Comparing a == b\nDEBUG: Comparing a == d\nERROR: ... |
[
{
"msg_contents": "Hi,\n\nhttp://archives.postgresql.org/message-id/AANLkTilgyL3Y1jkDVHX02433COq7JLmqicsqmOsbuyA1%40mail.gmail.com\n\nPreviously I proposed the replication mode \"recv\" on the above thread,\nbut it's not\ncommitted yet. Now I'd like to propose that mode again because it's\nuseful to reduce\nthe... |
[
{
"msg_contents": "Hi,\n\nWhen I looked at pg_stat_replication just after starting the standby before\nexecuting any write transactions on the master, I found that replay_location\nindicated incorrect location different from sent/write/flush_location. Then,\nif I ran write transaction on the master, replay_loca... |
[
{
"msg_contents": "Hello,\n\nI wonder if it would be possible to have a fast table clone function\n(data only) while copying the corresponding data files\ninstead of using the \"CREATE TABLE AS\" way.\n\npg_upgrade seems to have such a mechanisms, though it requires to first\nstop the server...\nThis would of ... |
[
{
"msg_contents": "Hi,\n\nI found that even read transaction waits for sync rep when it generates\nWAL records even if XID is not assigned. For example, imagine the case\nwhere SELECT query does a heap clean operation and generates\nXLOG_HEAP2_CLEAN record. ISTM that such a read transaction doesn't\nneed to wai... |
[
{
"msg_contents": "Correctly initialise shared recoveryLastRecPtr in recovery.\nPreviously we used ReadRecPtr rather than EndRecPtr, which was\nnot a serious error but caused pg_stat_replication to report\nincorrect replay_location until at least one WAL record is replayed.\n\nFujii Masao\n\nBranch\n------\nmas... |
[
{
"msg_contents": "The open items list for 9.2 says\n\n\"Index-only scans need to be disabled when running under Hot Standby\"\n\nThere is no explanation, so please explain here so we can change it,\nif possible.\n\nNot sure its great policy to keep implementing things that don't work\non HS, while not giving a... |
[
{
"msg_contents": "I think that people who are using index-only scans are going to want\nsome way to find out the degree to which the scans are in fact\nindex-only.\n\nSo here's a 5-line patch that adds the number of heap fetches to the\nEXPLAIN ANALYZE output. This might not be all the instrumentation\nwe'll ... |
[
{
"msg_contents": "Eric's review follows:\n\nCompiling on Ubuntu 10.04 LTS AMD64 on a GoGrid virtual machine from\n2012-01-12 git checkout.\n\nPatch applied fine.\n\n'make check' results in failures when this patch is put into place.\n\n========================\n 6 of 128 tests failed.\n========================... |
[
{
"msg_contents": "Hi folks.\n\nIs there any restriction in create and start threads inside Postgres? \n\nI'm trying to develop a multithread planner, and some times is raised a exception of access memory.\n\nI'm debugging the code to see if is a bug in the planner, but until now, I still not found. I tried to ... |
[
{
"msg_contents": "Hackers,\n\nIt occurs to me that I would find it quite personally useful if the\nvacuumdb utility was multiprocess capable.\n\nFor example, just today I needed to manually analyze a database with\nover 500 tables, on a server with 24 cores. And I needed to know when\nthe analyze was done, b... |
[
{
"msg_contents": "Inspired by this question http://stackoverflow.com/questions/6857265 I\nhave implemented a way to set the psql record and field separators to a\nzero byte (ASCII NUL character). This can be very useful in shell\nscripts to have an unambiguous separator. Other GNU tools such as find,\ngrep, ... |
[
{
"msg_contents": "Hi,\n\nhttp://www.postgresql.org/docs/9.1/interactive/catalog-pg-statistic.html\n\nIt specifies that entries are created by ANALYZE, but does not mention\nthat if a table is empty the entry for it is not created. Probably it\nis worth to add to the docs. The test case is below.\n\ngrayhemp@[l... |
[
{
"msg_contents": "Occasionally, I have a SQL file destined for psql's \\i command whose name\ncontains a space. Less often, I'll have a .csv destined for \\copy with the\nsame problem. psql's filename completion does not handle these well. It\ncompletes on the literal name, but the commands will only recogn... |
[
{
"msg_contents": "It has bothered me that psql's \\copy ignores the ON_ERROR_ROLLBACK setting.\nOnly SendQuery() takes note of ON_ERROR_ROLLBACK, and \\copy, like all\nbackslash commands, does not route through SendQuery(). Looking into this\nturned up several other weaknesses in psql's handling of COPY. For... |
[
{
"msg_contents": "I just remembered to make time to advance this from WIP to proposed\npatch this week... and then worked out I'm rudely dropping it into the\nlast commitfest at the last minute. :/\n\n\nAnyway, my interpretation of the previous discussion is a general\nconsensus that permitting ambiguous param... |
[
{
"msg_contents": "Tom Lane wrote:\n \n> Well, the bottom line that's concerning me here is whether throwing\n> errors is going to push anyone's application into an unfixable\n> corner. I'm somewhat encouraged that your Circuit Courts software\n> can adapt to it, since that's certainly one of the larger and m... |
[
{
"msg_contents": "In builds without --enable-cassert (I guess not many developers use\nthose a lot), there are quite a few unused variable warnings. These\nusually hold some intermediate result that the assert checks later. I\nsee that in some places our code already uses #ifdef\nUSE_ASSERT_CHECKING, presuma... |
[
{
"msg_contents": "Build Postgres master, on Linux or another platform that will use the\npoll() implementation rather than the older select(). Send the\nPostmaster SIGKILL. Observe that the WAL Writer lives on, representing\na denial of service as it stays attached to shared memory, busy\nwaiting (evident from... |
[
{
"msg_contents": "Hi,\n\nAttached is a patch thats implements a pg_stat_recovery view that\nkeeps counters about processed wal records. I just notice that it\nstill lacks documentation but i will add it during the week.\n\nBecause it tracks redo time this introduces to GetCurrentTimestamp()\ncalls to the redo ... |
[
{
"msg_contents": "So far the reaction I've gotten from my recent submission to make \nautovacuum log its read/write in MB/s has been rather positive. I've \nbeen surprised at the unprecedented (to me at least) amount of \nbackporting onto big production systems it's gotten. There is a whole \nlot of pent up ... |
[
{
"msg_contents": "Right now we have a single table on\nhttp://www.postgresql.org/docs/devel/static/monitoring-stats.html#MONITORING-STATS-VIEWS\nthat lists all our statistics views. It makes for difficult to parse\ndescriptions like \"One row only, showing cluster-wide statistics from\nthe background writer: n... |
[
{
"msg_contents": "I've *finally* gotten around to reviewing this patch.\n\nMy first step was to de-bitrot it very slightly. More on that in a moment.\n\nAfter that, I tried using it. Installation worked nicely -- I did\nCREATE EXTENSION and then tried reading from pg_stat_statements. I\nwas then given an er... |
[
{
"msg_contents": "WALRestore process asynchronously executes restore_command while\nrecovery continues working.\n\nOverlaps downloading of next WAL file to reduce time delays in file\nbased archive recovery.\n\nHandles cases of file-only and streaming/file correctly.\n\n-- \n Simon Riggs http... |
[
{
"msg_contents": "So this is the parallel pg_dump patch, generalizing the existing\nparallel restore and allowing parallel dumps for the directory archive\nformat, the patch works on Windows and Unix.\n\nIn the first phase of a parallel pg_dump/pg_restore, it does catalog\nbackup/restore in a single process, t... |
[
{
"msg_contents": "\"Kevin Grittner\" wrote:\n> Florian Pflug wrote:\n \n>> The trigger depth is incremented before calling the trigger\n>> function in ExecCallTriggerFunc() and decremented right\n>> afterwards, which seems fine - apart from the fact that the\n>> decrement is skipped in case of an error. The ... |
[
{
"msg_contents": "Attached is a patch that myself and Simon Riggs collaborated on. I\ntook the group commit patch that Simon posted to the list back in\nNovember, and partially rewrote it. Here is that original thread:\n\nhttp://archives.postgresql.org/pgsql-hackers/2011-11/msg00802.php\n\nI've also attached t... |
[
{
"msg_contents": "Hi\n\nApologies for posting about new vapourware features for distant\nfuture releases at a very busy time in the cycle for 9.2...\n\nI am wondering out loud whether I am brave enough to try to propose\nSKIP LOCKED DATA support and would be grateful for any feedback and/or\n{en|dis}couragemen... |
[
{
"msg_contents": "In tuplesort.c, it initially reads tuples into memory until availMem\nis exhausted.\n\nIt then switches to the tape sort algorithm, and allocates buffer\nspace for each tape it will use. This substantially over-runs the\nallowedMem, and drives availMem negative.\n\nIt works off this deficit ... |
[
{
"msg_contents": "Attached is a version of a previously posted patch which has been\r\nmodified based on on-list feedback from Álvaro.\r\n \r\nThis is a generalized trigger function which can be used as an AFTER\r\nEACH ROW trigger on any table which has a primary key, and will send\r\nnotifications of operati... |
[
{
"msg_contents": "One of the most useful bits of feedback on how well checkpoint I/O is \ngoing is the amount of time taken to sync files to disk. Right now the \nonly way to get that is to parse the logs. The attached patch publishes \nthe most useful three bits of data you could only get from \nlog_checkpo... |
[
{
"msg_contents": "Last year at this point, I submitted an increasingly complicated \ncheckpoint sync spreading feature. I wasn't able to prove any \nrepeatable drop in sync time latency from those patches. While that was \ngoing on, and continuing into recently, the production server that \nstarted all this ... |
[
{
"msg_contents": "Despite the best attempts of all my neighbors to distract me, as if \nthere was something more important going on Sunday afternoon in \nBaltimore than preparing for the CommitFest, I've tried to get all the \nloose patches onto the CommitFest app and get the early reviews \naccounted for on t... |
[
{
"msg_contents": "\nWhile reviewing Nikhil Sontakke's fix for the inherited constraints open\nitem we have, I noticed that MergeWithExistingConstraint and\nMergeConstraintsIntoExisting are using rather different mechanism to\ncompare equality of the constraint expressions; the former does this:\n\n {\n ... |
[
{
"msg_contents": "Hi list,\n\nHere's v6 of my expression caching patch. The only change in v6 is\nadded expression cost estimation in costsize.c. I'm setting per-tuple\ncost of CacheExpr to 0 and moving sub-expression tuple costs into the\nstartup cost.\n\nAs always, this work is also available from my Github ... |
[
{
"msg_contents": "Attached patch adds a counter for number of deadlocks in a database to\npg_stat_database.\n\nWhile not enough to diagnose a problem on it's own, this is an easy\nway to get an indicator when for when you need to go look in the logs\nfor details. Overhead should be very small - one counter per... |
[
{
"msg_contents": "Seem 1575fbcb caused this warning:\n\nview.c: In function ‘DefineVirtualRelation’:\nview.c:105:6: warning: variable ‘namespaceId’ set but not used\n[-Wunused-but-set-variable]\n\nAttached seems to be the easy fix - or am I missing something obvious?\n\n-- \n Magnus Hagander\n Me: http://www.h... |
[
{
"msg_contents": "I have been working with xlogdump and noticed that unfortunately it\ncannot be installed without access to a postgres build directory,\nwhich makes the exported functionality in src/include/utils/pg_crc.h\nuseless unless one has access to pg_crc.o -- which would only happen\nif a build direct... |
[
{
"msg_contents": "Well, since I see other committers sending in patches the day after the\nnominal commitfest deadline, I don't feel too bad about being a bit late\nas well. Attached is a WIP patch for parameterized paths, along the\nlines we have discussed before:\nhttp://archives.postgresql.org/pgsql-hacker... |
[
{
"msg_contents": "Hello\n\nI did review of this small patch\nhttp://archives.postgresql.org/message-id/1326055692.15293.15.camel@vanquo.pezone.net\n\n* This patch was applied without with one hunk and compiled without warnings\n\nbash-4.2$ patch -p1 < autocompleta.patch\npatching file src/bin/psql/tab-complete... |
[
{
"msg_contents": "Right now, psql \\timing output only gives output for successful\nqueries. Is there any actual reason for this, or just a \"it happened\"?\n\nIn particular,I just had a very long run of a CREATE UNIQUE INDEX fail\npretty far in - and I would've really liked to have timing output for\nthat one... |
[
{
"msg_contents": "It appears that the only way to create a non-inherited CHECK constraint\nis using ALTER TABLE. Is there no support in CREATE TABLE planned?\nThat looks a bit odd.\n\n",
"msg_date": "Tue, 17 Jan 2012 18:59:57 +0200",
"msg_from": "Peter Eisentraut <peter_e@gmx.net>",
"msg_from_op":... |
[
{
"msg_contents": "Hi,\n\nHere's my review for the \"logging hooks\" patch queued for the 2012-01\nCommitFest by Martin Pihlak.\n\nSubmission review\n----\nThe patch is in context diff format and applies fine. Tests are not\nincluded and don't seem practical for this patch.\n\nMore documentation would always be... |
[
{
"msg_contents": "Hi,\n\naccidentally found a our sql typo, which runs without errors on pg 9.1, but\nraises error on 9.0. It seems to me, that 9.0 behaviour was correct.\n\nReproducing case:\n\ncreate table aaa(id integer NOT NULL, something double precision,\nconstraint pk_aaa primary key (id));\ninsert into... |
[
{
"msg_contents": "Gra*vydas Valeika wrote:\n \n>> This is because PostgreSQL 9.1 added the feature of simple\n>> checking of functional dependencies for GROUP BY. The manual of\n>> 9.1 explains quite well when PostgreSQL considers there to be a\n>> functional dependency.\n>>\n>> \"When GROUP BY is present, it ... |
[
{
"msg_contents": "Hello\n\nThis is review of Tomas' patch for counting of using temporary files:\n\n* This patch was cleanly applied and code was compiled\n* All 128 tests passed\n* There are own regress tests, but usually pg_stat_* functions are not tested\n* There is adequate documentation\n* This patch was ... |
[
{
"msg_contents": "\n",
"msg_date": "Thu, 19 Jan 2012 08:04:07 -0600",
"msg_from": "Brad Ediger <brad@bradediger.com>",
"msg_from_op": true,
"msg_subject": ""
}
] |
[
{
"msg_contents": "This is a short review of pg_stat_statements based on quick testing of the feature.\n\n1. Installation: after managing to actually build PostgreSQL and contrib modules + changing\nshared_preload_libraries to include pg_stat_statements I got this error:\nFATAL: could not create shared memory ... |
[
{
"msg_contents": "Someone has some kind of specification or description of the pg_dump\ncustom format?\n\nWhat I'm trying to do is an utility to remotelly syncronize postgresql\ndumps, using lib_rsync to syncronize each table independently and\ncopying blobs only when sizes differ. \n\nI've made the same using... |
[
{
"msg_contents": "So, having received feedback from Tom and others in relation to this\npatch, I would like to state how I think I should go about addressing\nvarious concerns to ensure that a revision of the patch gets into the\n9.2 release. As I've said time and again, I think that it is very\nimportant that... |
[
{
"msg_contents": "Hi all,\n\ntrying to create a table with a column xmin I get the\nfollowing error message:\n\ntest=> create table lx (xmin int);\nERROR: column name \"xmin\" conflicts with a system\ncolumn name\n\nInstead I get a different (and less understandable) error\nmessage if I try to add a column na... |
[
{
"msg_contents": "Hi,\n\nI tried to implement a fdw module that is designed to utilize GPU\ndevices to execute\nqualifiers of sequential-scan on foreign tables managed by this module.\n\nIt was named PG-Strom, and the following wikipage gives a brief\noverview of this module.\n http://wiki.postgresql.org/wi... |
[
{
"msg_contents": "\nDear pgdevs,\n\nI've just completed the final version of a survey of database schema quality in\nopen source software. The survey covers 512 projects which use MySQL and/or\nPostgreSQL for storing their data. Automatic analyses are performed by querying\nthe information schema. Statistical ... |
[
{
"msg_contents": "There was finally some time available on Nate Boley's server, which he\nhas been kind enough to make highly available for performance testing\nthroughout this cycle, and I got a chance to run some benchmarks\nagainst a bunch of the perfomance-related patches in the current\nCommitFest. Speci... |
[
{
"msg_contents": "On Sun, Jan 22, 2012 at 11:47 PM, Mikko Tiihonen\n<mikko.tiihonen@nitorcreations.com> wrote:\n> * introduced a new GUC variable array_output copying the current\n> bytea_output type, with values \"full\" (old value) and\n> \"smallfixed\" (new default)\n> * added documentation for the new GU... |
[
{
"msg_contents": "Hello.\n\nIt's probably not the right place to write, but I guess you are there to \ntake care of it.\n\nWhen I was creating a trigger with command like:\ncreate trigger asdf before update on beginninOfTheNameOfMyTable...\nI hit tab and I got:\ncreate trigger asdf before update on SET\n\nThat... |
[
{
"msg_contents": "While testing a backup script, I noticed that pg_basebackup exits with\n0, even if it had errors while writing the backup to disk when the\nbackup file is to be sent to stdout. The attached patch should fix this\nproblem (and some special cases when the last write fails).\n\nRegards,\n\nThoma... |
[
{
"msg_contents": "\nHello,\n\nThe call for papers for PgNext (the old PgWest/PgEast) is now open:\n\nJanuary 19th: Talk submission opens\nApril 15th: Talk submission closes\nApril 30th: Speaker notification\n\nSubmit: https://www.postgresqlconference.org/talk_types\n\nSincerely,\n\nJD\n\n-- \nCommand Prompt, I... |
[
{
"msg_contents": "Add new replication mode synchronous_commit = 'write'.\nReplication occurs only to memory on standby, not to disk,\nso provides additional performance if user wishes to\nreduce durability level slightly. Adds concept of multiple\nindependent sync rep queues.\n\nFujii Masao and Simon Riggs\n\n... |
[
{
"msg_contents": "Early yesterday morning, I was able to use Nate Boley's test machine\ndo a single 30-minute pgbench run at scale factor 300 using a variety\nof trees built with various patches, and with the -l option added to\ntrack latency on a per-transaction basis. All tests were done using\n32 clients a... |
[
{
"msg_contents": "I took my first stab at hacking the sources to fix the bug reported here:\n\nhttp://archives.postgresql.org/pgsql-bugs/2012-01/msg00152.php\n\nIt's such a simple patch but it took me several hours with Google and IRC\nand I'm sure I did many things wrong. It seems to work as advertised,\ntho... |
[
{
"msg_contents": "I have applied the attached patch to git head to fix the new SQL tablespace\nlocation function usage in pg_upgrade to properly check cluster version\nnumbers, and a fix missing table alias.\n\nI found this problem during testing.\n\n-- \n Bruce Momjian <bruce@momjian.us> http://momji... |
[
{
"msg_contents": "Hi,\nI'm doing some development on the storage manager module of Postgres.\n\nI have added few source files already to the smgr folder, and I was able to\nhave the Make system includes them by adding their names to the OBJS list\nin the Makefile inside the smgr folder. (i.e. When I add A.c, I... |
[
{
"msg_contents": "hi,\nQuestion is basically in the title, but let's show some example:\n\n$ begin;\nBEGIN\n\n*$ set timezone = 'EST';\nSET\n\n*$ select now(), extract(epoch from now()), extract(epoch from now() at time zone 'UTC');\n now │ date_part │ date_part \n──────... |
[
{
"msg_contents": "PG Gurus,\n\nI have a table like this:\n\nCREATE TABLE filemods (\n guid BIGINT NOT NULL UNIQUE,\n filepath_guid BIGINT NOT NULL,\n createtime TIMESTAMP WITH TIME ZONE DEFAULT NULL,\n writetime TIMESTAMP WITH TIME ZONE DEFAULT NULL,\n delet... |
[
{
"msg_contents": "\nThis is my test case (all in one session):\n\nCREATE TABLE foo (\n key int PRIMARY KEY,\n value int\n);\n\nINSERT INTO foo VALUES (1, 1);\n\n BEGIN;\n DECLARE foo CURSOR FOR SELECT * FROM foo FOR UPDATE;\n UPDATE foo SET value = 2 WHERE key = 1;\n UPDATE foo SET valu... |
[
{
"msg_contents": "A reminder, there are three days left to get in before the deadline…\n\nPGCon 2012 will be held 17-18 May 2012, in Ottawa at the University of\nOttawa. It will be preceded by two days of tutorials on 15-16 May 2012.\n\nWe are now accepting proposals for talks. Proposals can be quite \nsimpl... |
[
{
"msg_contents": "Hello,\n\nLast year, I asked for your opinions about how to fix the bug of unreliable \n\"pg_ctl -w start\", as in the thread:\n\nhttp://archives.postgresql.org/pgsql-hackers/2011-05/msg01407.php\n\nThe phenomenon was that \"pg_ctl -w start\" did not return for 60 seconds when \npostgresql.co... |
[
{
"msg_contents": "Hello,\n\nI have developed a variation of cover density ranking functions that counts only covers that are lesser than a specified limit. It is useful for finding combinations of terms that appear nearby one another. Here is an example of usage:\n\n-- normal cover density ranking : not change... |
[
{
"msg_contents": "And here is the patch, that I forgot to attach\n> Hello,\n> \n> I have developed a variation of cover density ranking functions that counts only covers that are lesser than a specified limit. It is useful for finding combinations of terms that appear nearby one another. Here is an example of ... |
[
{
"msg_contents": "----- Цитат от Sushant Sinha (sushant354@gmail.com), на 27.01.2012 в 18:32 -----\n\n> The rank counts 1/coversize. So bigger covers will not have much impact\n> anyway. What is the need of the patch?\n> \n> -Sushant.\n>\n\nIf you want to find only combinations of words that are close one to a... |
[
{
"msg_contents": "----- Цитат от karavelov@mail.bg, на 27.01.2012 в 18:48 -----\n\n> ----- Цитат от Sushant Sinha (sushant354@gmail.com), на 27.01.2012 в 18:32 -----\n> \n>> The rank counts 1/coversize. So bigger covers will not have much impact\n>> anyway. What is the need of the patch?\n>> \n>> -Sushant.\n>>... |
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