threads listlengths 1 2.99k |
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[
{
"msg_contents": "Hi All,\nWe have newbie to Postgresql.\nBackground:\nWe have site hosted on Ruby on Rails using Postgresql database.It is a eCommerce site and for which we need to provide the NLS supported Search functionality to help end users while searching by using Synonyms, related word , Plurals and Si... |
[
{
"msg_contents": "Hi,hackers!\n\nI have a question about txid_current().\nit is \"Why does txid_current() assign new transaction-id?\".\n\nWhen we executes txid_current() outside of transaction block, it assigns new transaction-id.\nI guess it doesn't need to assign a new txid because txid_current() is just a ... |
[
{
"msg_contents": "Hi,hackers!\n\nI have a question about txid_current().\nit is \"Why does txid_current() assign new transaction-id?\".\n\nWhen we executes txid_current() outside of transaction block, it assigns new transaction-id.\nI guess it doesn't need to assign a new txid because txid_current() is just a ... |
[
{
"msg_contents": "Hello,\n\nhow to make psql (readline) to insert tab when Tab is pressed? E.g. for\npasting. I know, there is -n option. But then the history is not\naccessible.\n\nI have tried\n$if psql\n Control-I: \"\\t\"\n Control-A: complete\n$endif\nin my ~/.inputrc. But when I press Tab psql freezes ... |
[
{
"msg_contents": "With PostgreSQL 9.3.5 on Ubuntu 12.04, I'm getting the error:\n\nERROR: MultiXactId 1934308693 has not been created yet -- apparent \nwraparound\n\non doing various queries on our database. I don't think it is a \nwraparound - I think the tuple has mistakenly decided it has a \nMultiXactId r... |
[
{
"msg_contents": "Hello.\n\nAttached patch based on:\nhttp://www.postgresql.org/message-id/CAPpHfdssY+qEPDCOvxx-b4LP3ybR+qS04M6-ARgGKNFk3FrFow@mail.gmail.com\n\nand adds selectivity estimation functions to @@ (port from tsquery). Now we \nsupport &&, @>, <@ and @@.\nIn addition it was written migration to vers... |
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{
"msg_contents": "Hi,\n For the user created indexes in PostgreSQL 8.3.6, I would like to\nknow which file or function populates the index data structure.\nSpecifically, where in the code is index->tuples and index->pages values\nare fetched and updated.\n\nRegards and Thanks in Advance,\nSrinivas Karthi... |
[
{
"msg_contents": "Here is the latest version of the refinement of jsonb_replace into \njsonb_set. All known bugs have been fixed, and the only issue is the \ndefault value of the fourth parameter. Currently it's set to false, but \nI gather from the previous responses that the consensus is to make it true.\n\n... |
[
{
"msg_contents": "Hi,\n\nI'd like to edit, compile, run, profile and debug in a loop. To do\nthat I put pg_sleep(3600) in the regression test suite.\n\nThat way I can easily change a file, 'make check', and then run some\nSQL from another terminal.\n\nIs there a 'better' way to run postgres after building? In ... |
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{
"msg_contents": "Peter,\n\nHere is a translation fule for src/bin/psql/ja.po of 9.4.2 from\nKosizumi-san. According to him, there are some missing translations in\nthe po file and he fixed it. Shall I commit into REL9_4_STABLE tree or\nwould you like to do it yourself?\n\nBest regards,\n--\nTatsuo Ishii\nSRA ... |
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{
"msg_contents": "When we create table, some column use foreign key references.\nNow PostgreSQL don't create index for the FK, and there is no problem.\nBut when some body need the index to speed up the query within these APP,\nthey need to add the index manual one-by-one when has many tables.\nIf we can add s... |
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{
"msg_contents": "I found myself in need of triggers that are run only once per transaction,\nrather than per row or statement within the transaction. Meaning it will\nalways be deferred and never called twice for the same transaction.\n\nPerhaps in 9.6 this part of syntax for trigger creation can be changed f... |
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{
"msg_contents": "I'm trying to use a newer version than is available from RH in our\ncustom distro but am having problems install both x86_64 and i686 rpms\nbecause file conflicts. We have some i686 packages that use libgdal\nwhich pulls in libpq which ends up in the same location in both the\nx86_64 and i686... |
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{
"msg_contents": "commit 4c5e060049a3714dd27b7f4732fe922090edea69\nAuthor: Bruce Momjian <bruce@momjian.us>\nDate: Sat May 16 00:40:18 2015 -0400\n\n pg_upgrade: force timeline 1 in the new cluster\n\n Previously, this prevented promoted standby servers from being upgraded\n because of a missing WA... |
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{
"msg_contents": "Have you been to PGCon before? Do you remember the hacker lounge? Do you remember going there to work on stuff? Do you recall anything about it?\n\n—\nDan Langille\nhttp://langille.org/",
"msg_date": "Wed, 27 May 2015 12:00:16 -0400",
"msg_from": "Dan Langille <dan@langille.org>",
... |
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{
"msg_contents": "Hello, my partner and me are working with the goal of improve the GEQO's \nperformance, we tried with Ant Colony Optimization, but it does not \nimprove, actually we are trying with a new variant of Genetic Algorithm, \nspecifically Micro-GA. This algorithm finds a better solution than GEQO \... |
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{
"msg_contents": "I'm playing with a static analyzer and it's giving out some real error\nanalyzing postgresql code base like the following one\n\nsrc/backend/access/transam/commit_ts.c\n return *ts != 0 // line 321\nbut a few line up (line 315) ts is checked for null, so either is not\nneeded to check for ... |
[
{
"msg_contents": "I have a database that was upgraded from 9.4.1 to 9.4.2 (no pg_upgrade, we\njust dropped new binaries in place) but it wouldn't start up. I found this\nin the logs:\n\nwaiting for server to start....2015-05-27 13:13:00 PDT [27341]: [1-1] LOG:\n database system was shut down at 2015-05-27 13:1... |
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{
"msg_contents": "Folks,\n\nThe time may have come again to discuss $Subject. As I recall, the\nstate of the spec back in 2007, when this was last discussed, was so\nabysmal that we simply abandoned the effort.\n\nIt appears, at least to me, that SQL:2011 has polished this up in ways\nthat could be helpful, e... |
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{
"msg_contents": "Assuming that we can get a fix for the fsync-failure-during-restart\nproblem committed by the end of the week, there will be a new set of\nback-branch minor releases next week. Usual schedule, wrap Monday\nfor public announcement Thursday.\n\n\t\t\tregards, tom lane\n\n\n-- \nSent via pgsql-... |
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{
"msg_contents": "Hi,\n\nIf function is created with the LEAKPROOF option, then pg_get_functiondef()\ndoes not show that in the returned definition.\nIs it expected OR are we missing that option in pg_get_functiondef().\n\nHowever only superuser can define a leakproof function.\nWas this the reson we are not s... |
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{
"msg_contents": "Hello, hackers!\n\nI'm a technical support engineer of PostgreSQL.\n\nIn my much experience up until now,I have an idea that we can add \n2 new vacuum statistics into pg_stat_xxx_tables.\nFeatures I hope is following.\n\nMORE VACUUM STATISTICS\n==========================\n\nDesign & Motivatio... |
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{
"msg_contents": "Hi all,\n\nSince commit de768844, XLogFileCopy of xlog.c returns to caller a\npstrdup'd string that can be used afterwards for other things.\nXLogFileCopy is used in only one place, and it happens that the result\nstring is never freed at all, leaking memory.\nAttached is a patch to fix the p... |
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{
"msg_contents": "In view of\nhttp://www.postgresql.org/message-id/CAM2+6=U5YLZBre3V3WF9FFuL0gxR1egA3MiPh1Gu0JPsEUD7dg@mail.gmail.com\nI went trawling for other places where the LEAKPROOF patch might have\noverlooked something, by dint of grepping for prosecdef and seeing if\nthere was or should be parallel co... |
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{
"msg_contents": "This is just something I noticed in passing. (I did a quick check of all\nthe other uses of readlink in the source, and they do get this right.)\n\n-- Abhijit\n\nP.S. Also in passing, I note that pg_rewind will follow links under any\ndirectory anywhere named pg_tblspc (which probably doesn't... |
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{
"msg_contents": "\nHello,\n\nThis is a topic that has come up in various ways over the years. After \nthe long thread on pg_audit, I thought it might be time to bring it up \nagain.\n\nContrib according to the docs is:\n\n\"These include porting tools, analysis utilities, and plug-in features \nthat are not p... |
[
{
"msg_contents": "Hi,\nin the following spots:\n\nsrc/backend/commands/explain.c:1692\nsrc/backend/commands/explain.c:1874\nsrc/backend/commands/explain.c:1986\n\nthere is the following assignment:\n\n ancestors = list_delete_first(ancestors);\n\nbut it has no effect at all being that a function parameter an... |
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{
"msg_contents": "Hi all\n\nIt's sometimes desirable to collect auto_explain data with ANALYZE in order\nto track down hard-to-reproduce issues, but the performance impacts can be\npretty hefty on the DB.\n\nI'm inclined to add a sample rate to auto_explain so that it can trigger\nonly on x percent of queries,... |
[
{
"msg_contents": "Hi all\n\nI was a puzzled by src/backend/utils/fmgr/README and fmgr.h's descriptions\nof fcinfo->flinfo->fn_extra (FmgrInfo.fn_extra) as they seem to conflict\nwith actual usage.\n\nThe docs suggest that fl_extra is for the use of function call handlers,\nbut in practice it's also used heavi... |
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{
"msg_contents": "Hackers,\n\npg_drop_replication_slot() can be a time-critical function when the\nmaster is running out of disk space because the replica is falling\nbehind. So I was a little startled by this:\n\ncio=# select\npg_drop_replication_slot('bdr_24577_6147720645156311471_1_25383__');\nERROR: repl... |
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{
"msg_contents": "One of the annoying inconsistencies between emacs and pgindent is that \nemacs refuses to offset a block following a case label, while pgindent \ndoes. Is there anything we can do to induce emacs to do what pgindent does?\n\ncheers\n\nandrew\n\n\n\n-- \nSent via pgsql-hackers mailing list (pg... |
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{
"msg_contents": "Just for the record: a minor nit I noticed yesterday.\n\n-- Abhijit\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp://www.postgresql.org/mailpref/pgsql-hackers",
"msg_date": "Fri, 29 May 2015 23:18:02 +0530",
... |
[
{
"msg_contents": "Hi,\n\nI think we should postpone next week's release. I have been hard at\nwork on the multixact-related bugs that were reported in 9.4.2 and\n9.3.7, and the subsequent bugs found by code-reading, but getting them\nall fixed by Monday doesn't seem realistic. Such fixes should have\ncareful... |
[
{
"msg_contents": "I noticed that if you use \"initdb -S\", the code does its thing and\nexits without ever calling get_restricted_token(). It doesn't get\nto get_id() where the no-superuser check is, either. Is this OK,\nor should we reorder the operations so that fsyncing is done with\nthe usual restricted ... |
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{
"msg_contents": "This is distilled down from a performance regression problem that came\npast on IRC earlier today:\n\ncreate table t1 (a integer, b integer, c integer, primary key (a,b,c));\ncreate table t2 (k2 integer, a integer, primary key (k2,a));\ncreate table t3 (k3 integer, b integer, primary key (k3,... |
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{
"msg_contents": "Hi,\n\nwhile looking at this post from pgsql-performance about plan changes\n\nhttp://www.postgresql.org/message-id/flat/20150529095117.GB15813@hjp.at\n\nI noticed that initial_cost_nestloop() does this in (9.1, mentioned in \nthe pgsql-performance post uses the same logic):\n\n\n if (joi... |
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{
"msg_contents": "It appears to be an omission that ALTER TABLE ... ENABLE TRIGGER and\nsimilar commands don't allow acting on views, even though we now have\ntriggers on views.\n\nSimilarly, the ALTER TABLE ... ENABLE RULE commands only allow acting on\ntables, even though rules can also exist on views and ma... |
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{
"msg_contents": "Does anyone know what the difference between the\nsession_replication_role settings of 'origin' vs 'local' is supposed to\nbe? AFAICT, the code treats them the same and has done since this\nfeature was initially introduced.\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgre... |
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{
"msg_contents": "Hi,\n\nYesterday, JPUG held an unconference event at Tokyo, and\nHanada-san had a talk about join-pushdown feature of\npostgres_fdw.\nAt this talk, someone proposed an interesting idea to\nmake join pushdown more aggressive/effective.\nLet me share it with pgsql-hackers.\n\nHe said, we may ha... |
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{
"msg_contents": "Hi,\n\nI have written a patch which makes it possible to change SSL \ncertificates (and other SSL parameters, including the CRL) without \nrestarting PostgreSQL. In fact this patch also makes it possible to turn \non or off ssl entirely without restart. It does so by initializing a new \nSSL ... |
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{
"msg_contents": "Hi\n\nHave we some possibility to take info about external user when any login\nvia mapping is used?\n\nTwo years ago It was a final blocker for migration one Oracle application\nand last month I had this question more time.\n\nThe customer want to use map to do switch between external user t... |
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{
"msg_contents": "While anyone who is familiar with postgres would never do something as\nstupid as to delete pg_xlog,\naccording to Google, there appears to be a fair amount of end-users out\nthere having made the irrevocable mistake of deleting the precious\ndirectory,\na decision made on the assumption that... |
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{
"msg_contents": "Very minor concern about RLS\n========================\n\nThis existing ExecUpdate() comment seems a little inaccurate:\n\n/*\n* Check any RLS UPDATE WITH CHECK policies\n*\n* If we generate a new candidate tuple after EvalPlanQual testing, we\n* must loop back here and recheck any RLS polici... |
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{
"msg_contents": "Hello pg-devs,\n\nThis patch is a simplified and generalized version of Andres Freund's \nAugust 2014 patch for flushing while writing during checkpoints, with some \ndocumentation and configuration warnings added.\n\nFor the initial patch, see:\n\n http://www.postgresql.org/message-id/2014... |
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{
"msg_contents": "I've committed the release notes for today's releases, if anyone wants\nto take a look. Fortunately, there's not much to them. Unfortunately,\nI need to start the wrap process in about an hour, so there's not much\ntime to review either :-(\n\n\t\t\tregards, tom lane\n\n\n-- \nSent via pgsq... |
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{
"msg_contents": "Attached patch adjusts BRIN regression tests to make a non-obvious\ndependency on tuple order explicit. Currently, an index-only scan plan\nis used by the query that I've adjusted. I'd rather be sure that that\ncontinues.\n\nThis was spotted while running the regression tests with the Postgre... |
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{
"msg_contents": "Hi,\n\nHere is a doc patch to add materialized views and foreign tables to\ndatabase objects that pg_table_is_visible() can be used with.\n\nBest regards,\nEtsuro Fujita\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp... |
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{
"msg_contents": "Hello,\n\nI've submitted a patch to psycopg2 to support streaming replication\nprotocol (COPY_BOTH): https://github.com/psycopg/psycopg2/pull/322\n\nIt would be great if more people had a chance to take a look and provide\nfeedback about it. In particular, please see example usage at this gi... |
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{
"msg_contents": "Hi,\n\nwhen dealing with bytea values that are below the 1GB limit, but too\nlarge to be escaped, the error messages emitted are not very helpful for\nusers. Especially if they appear in an unrelated context such as during\npg_dump. I've attached a patch that adds ereport()ing that would ha... |
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{
"msg_contents": "Fix documentation bug in how to calculate the quasi-unique pg_log session_id\n\nWhile the code is truncating the backend_start time, the query example in\nthe documentation is rouding.\nFix by doing the same thing in the documentation as in, i.e. truncating the\nbackend_start.\n\nelog.c:\nsnp... |
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{
"msg_contents": "I've noticed some more issues with the jsonb documentation, and the\nnew jsonb stuff generally. I didn't set out to give Andrew feedback on\nthe semantics weeks after feature freeze, but unfortunately this feels\nlike another discussion that we need to have now rather than later.\n\n\"operato... |
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{
"msg_contents": "Hi,\nDocumentation here http://www.postgresql.org/docs/devel/static/bgworker.html\ndoes not indicate any relation between the fields bgw_notify_pid and\nbgw_flags of BackgroundWorker structure. But in one has to set\nBGWORKER_BACKEND_DATABASE_CONNECTION in order to use bgw_notify_pid feature.... |
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{
"msg_contents": "> On Sat, May 30, 2015 at 9:03 PM, Kouhei Kaigai <kaigai@ak.jp.nec.com> wrote:\r\n> > Yesterday, JPUG held an unconference event at Tokyo, and\r\n> > Hanada-san had a talk about join-pushdown feature of\r\n> > postgres_fdw.\r\n> > At this talk, someone proposed an interesting idea to\r\n> > m... |
[
{
"msg_contents": "I've been chasing the intermittent \"cache lookup failed for access method\n403\" failure at session startup that's been seen lately in the buildfarm,\nfor instance here:\n\nhttp://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=axolotl&dt=2015-06-04%2019%3A22%3A46\n\n(Axolotl has shown this ... |
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{
"msg_contents": "> On Thu, Jun 4, 2015 at 9:40 PM, Kouhei Kaigai <kaigai@ak.jp.nec.com> wrote:\r\n> >> Neat idea. This ties into something I've thought about and mentioned\r\n> >> before: what if the innerrel is local, but there's a replicated copy\r\n> >> on the remote server? Perhaps both cases are worth ... |
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{
"msg_contents": "Hello Hackers,\n\nAt the moment one can open up a replication connection using psql and use\nall of the commands available on this special type of connection, except\nfor START_REPLICATION:\n\n$ psql -d \"dbname=test replication=database\"\npsql (9.4.1)\nType \"help\" for help.\n\ntest=# IDEN... |
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{
"msg_contents": "Would others find it useful to see per column statistics about accesses to\nspecific columns?\n\nTwo possible use-cases: (maybe there are more?)\n\n1. I think it would be helpful for DBAs to better understand their own\nsystem.\nFinding unused *tables* is today easy thanks to pg_stat_*_tables... |
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{
"msg_contents": "There are several use cases where I see useful an index, but adding it will\nslow too much inserts and updates.\nFor example, when we have 10 million rows on a table, and it's a table\nwhich has frequent updates, we need several index to speed up selects, but\nthen we'll slow down updates a l... |
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{
"msg_contents": "Hi,\n\nWhen primary_conninfo is configured and standby_mode is enabled single\nuser mode starts up, but at some point will just wait in a latch for WAL\nto show up. Which will obviously never happen as walreceiver isn't up.\n\nShould we just error out in that case, or at least display a log m... |
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{
"msg_contents": "[ this is a bit roundabout, bear with me ]\n\nI noticed that, contrary to project policy, a //-style comment snuck into\npg_regress.c a month or two back. I had had the idea that buildfarm\nmember pademelon would complain about such comments, given its stone-age\nC compiler, but evidently no... |
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{
"msg_contents": "I noticed this today on my 9.4.2 server running on FreeBSD 10.1:\n\nJun 5 18:59:40 slocum postgres[986]: [3957-1] LOG: could not truncate directory \"pg_subtrans\": apparent wraparound\n\nLooking at a post from 2010, Tom Lane suggest this information was useful:\n\n[root@slocum:/usr/local/p... |
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{
"msg_contents": "Hello,\n\nI just noticed that if the archiver aborts (for instance if the\narchive_command exited with a return code > 127), pg_stat_archiver won't\nreport those failed attempts. This happens with both 9.4 and 9.5 branches.\n\nPlease find attached a patch that fix this issue, based on current... |
[
{
"msg_contents": "I wrote:\n> I've been chasing the intermittent \"cache lookup failed for access method\n> 403\" failure at session startup that's been seen lately in the buildfarm,\n> for instance here:\n> http://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=axolotl&dt=2015-06-04%2019%3A22%3A46\n> (Axolotl... |
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{
"msg_contents": "Attached test case patch shows how RLS fails to play nice with UPDATE\n... WHERE CURRENT OF. If you run the revised rowsecurity regression\ntest against the master branch, the tests do not pass (which, ideally,\nthey would -- \"expected\" is actually what I expect here):\n\n*** /home/pg/postg... |
[
{
"msg_contents": "With the recently released Perl 5.22.0, the tests fail thus:\n\n-ERROR: Global symbol \"$global\" requires explicit package name at line 3.\n-Global symbol \"$other_global\" requires explicit package name at line 4.\n+ERROR: Global symbol \"$global\" requires explicit package name (did you ... |
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{
"msg_contents": "Hi everyone.\n\nI'm working on Npgsql and have run into a race condition when cancelling.\nThe issue is described in the following 10-year-old thread, and I'd like to\nmake sure things are still the same:\nhttp://www.postgresql.org/message-id/27126.1126649920@sss.pgh.pa.us\n\nMy questions/com... |
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{
"msg_contents": "Hi all,\n\nPlease find attached a patch aimed at fixing a couple of memory leaks\nin the ECPG driver. Coverity (and sometimes I after reading some other\ncode paths) found them.\nRegards,\n-- \nMichael\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make cha... |
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{
"msg_contents": "Hi all,\n\nPlease find attached a set of fixes for a couple of things in src/bin:\n- pg_dump/pg_dumpall:\n-- getFormattedTypeName, convertTSFunction and myFormatType return\nstrdup'd results that are never free'd.\n-- convertTSFunction returns const char. I fail to see the point of\nthat... I... |
[
{
"msg_contents": "Hi,\n\nI think we have consensus that we should proceed with releasing fixes\nfor the known multixact bugs in two stages:\n\n- One set of minor releases with the fixes that we have now, to undo\nthe damage caused by 9.4.2 and still present in 9.4.3. These changes\nwill force immediate anti-w... |
[
{
"msg_contents": "I'm looking at a case on 9.4.1 where the last_analyze and last_vacuum\nstats for a handful of tables seem stuck. They don't update after\nrunning an ANALYZE or VACUUM command, and they don't react to\npg_stat_reset_single_table_counters(). All of the affected tables are\nsystem catalogs, so... |
[
{
"msg_contents": "Hi,\n\nWhen the archiver exits, currently reaper() restarts it only while\nthe postmaster state is PM_RUN. This is OK in 9.4 or before because\nthe archiver could be running on that state. But in 9.5, we can set\narchive_mode to \"always\" and start the archiver even on the standby.\nSo I thi... |
[
{
"msg_contents": "I believe this is an idea that's been discussed before, but I'm not exactly\nsure where that happened:\n\nOverview:\n\nThe idea is that we skip a major chunk of processing in situations like:\n\nSELECT avg(x),sum(x),count(x) FROM bigtable;\n\nBecause avg(x) already technically knows what the ... |
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{
"msg_contents": "Hi all,\n\nI should have noticed that before, but it happens that pg_stat_ssl\nleaks information about the SSL status of all the users connected to a\nserver. Let's imagine for example:\n1) Session 1 connected through SSL with a superuser:\n=# create role toto login;\nCREATE ROLE\n=# select *... |
[
{
"msg_contents": "Hi all,\n\npg_rewind's Makefile uses RMGRDESCSOURCES:\nEXTRA_CLEAN = $(RMGRDESCSOURCES) xlogreader.c\nHowever this variable is defined only in the Makefile of pg_xlogdump\nso it has no utility in this case.\nAttached is a cleanup patch.\nRegards,\n-- \nMichael\n\n\n\n-- \nSent via pgsql-hacke... |
[
{
"msg_contents": "Hi,\n\nI found some dead code in CREATE/RENAME ROLE code path.\nAttached patch to remove those.\n\nWe have introduced RoleSpec and handled public and none role names in\ngrammar\nitself. We do have these handling in CreateRole() and RenameRole() which is\nNO more valid now.\n\nHere is the rel... |
[
{
"msg_contents": "It appears to me that there's quite a few new features and optimisations on\nthe not too distant horizon which will require adding yet more fields into\npg_aggregate.\n\nThese are things along the lines of:\n\n1. Parallel Aggregation (computes each aggregate state in parallel worker\nprocesse... |
[
{
"msg_contents": "We've seen several reports of $SUBJECT lately. I have no idea what's\ngoing on, but it occurred to me that it could be informative to tweak\ninit_locale() so that it reports which category failed to be set.\nAny objections to squeezing that into today's releases?\n\n\t\t\tregards, tom lane\n... |
[
{
"msg_contents": "I've pushed up draft release notes for 9.4.4 at\nhttp://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=21187cfc7dfd82461db9119377a76366c00d27c3\nPlease review and comment ASAP, particularly if the instructions regarding\navoiding emergency autovacuuming are not accurate.\n\n\t\t\t... |
[
{
"msg_contents": "Dmitry, Alexander:\n\nI'm noticing a feature gap for JSONB operators; we have no way to do this:\n\njsonb_col ? ARRAY['key1','key2','key3']\n\n... that is, there is no way for us to check for key existence in an\nindexable fashion. Given that @> already can check the whole path\nincluding th... |
[
{
"msg_contents": "\nHello,\n\nTrying to use pg_archivecleanup as a:\n\n\"standalone archive cleaner\"\n\nResults in an error of:\n\npg_archivecleanup: invalid filename input\nTry \"pg_archivecleanup --help\" for more information.\n\n/usr/pgsql-9.4/bin/pg_archivecleanup /backups/db1/archive \n000000010000074800... |
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{
"msg_contents": "There has been some confusion by old and new community members about the\npurpose of the core team, and this lack of understanding has caused some\navoidable problems. Therefore, the core team has written a core charter\nand published it on our website:\n\n http://www.postgresql.org/d... |
[
{
"msg_contents": "Hi\n\nWhy do standby servers not simply treat every checkpoint as a\nrestartpoint? As I understand it, setting checkpoint_timeout and\ncheckpoint_segments higher on a standby server effectively instruct\nstandby servers to skip some checkpoints. Even with the same settings\non both servers,... |
[
{
"msg_contents": "The attached fixes a small typo in a comment.\n\n--\n David Rowley http://www.2ndQuadrant.com/\n<http://www.2ndquadrant.com/>\n PostgreSQL Development, 24x7 Support, Training & Services\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make cha... |
[
{
"msg_contents": "Hello,\n\nIt might be a corner case optimization, however, it looks\nto me worth to share the idea and have discussion.\n\nTable partition + Hash join pushdown\n------------------------------------\nHash-join logic works most effectively when inner relation\ncan be stored within a hash table.... |
[
{
"msg_contents": "Hi all,\n\nWhile looking at the code of pg_archivecleanup.c, I noticed that there\nis some code present to detect if a given string has the format of a\nWAL segment file name or of a backup file.\nThe recent commit 179cdd09 has introduced in xlog_internal.h a set of\nmacros to facilitate chec... |
[
{
"msg_contents": "Hi,\n\nWhen compiling with WAL_DEBUG defined, but wal_debug set to off, there's\na lot of DEBUG1 spew like\nDEBUG: initialized 1 pages, upto 40/3977E000\nDEBUG: initialized 9 pages, upto 40/39790000\nDEBUG: initialized 1 pages, upto 40/39792000\nDEBUG: initialized 1 pages, upto 40/3979400... |
[
{
"msg_contents": "/*\n * ALTER TABLE INHERIT\n *\n * Add a parent to the child's parents. This verifies that all the columns and\n * check constraints of the parent appear in the child and that they have the\n * same data types and expressions.\n */\nstatic void\nATPrepAddInherit(Relation child_rel)\n{\n if... |
[
{
"msg_contents": "How to use this optimization ?\n\nselect *\nfrom table join partitioned_table on (\n table.part_id = partitioned_table.id\n and hash_func_mod(table.part_id) = hash_func_mod(partitioned_table.id)\n)\n\n\n\n\n\n\n\n\n\n\n\nHow to use this optimization ?\n \nselect * \nfrom table join partitio... |
[
{
"msg_contents": "Hello,\n\nRecently we encountered a issue where the disc space is continuously\nincreasing towards 100%. Then a manual vacuum freed the disc space. But\nagain it is increasing. When digged more it is found that auto-vacuuming\nwas not running or it is either stucked/hanged.\n\nVersion: 9.1.12... |
[
{
"msg_contents": "Hi,\n\nI think I may have found one of the problems, PostgreSQL has on machines \nwith many NUMA nodes. I am not yet sure what exactly happens on the NUMA \nbus, but there seems to be a tipping point at which the spinlock \nconcurrency wreaks havoc and the performance of the database collapse... |
[
{
"msg_contents": "Hi Hackers,\n\nit turns out, that the code in WalSndWriteData is setting the timestamp of\nthe replication message just *after* it has been sent out to the client,\nthus the sendtime field always reads as zero.\n\nAttached is a trivial patch to fix this. The physical replication path\nalread... |
[
{
"msg_contents": "Hi,\n\nWhile testing pg_rewind, I got the following error and pg_rewind failed.\n\n $ pg_rewind -D ... --source-server=\"...\" -P\n ERROR: could not open file \"base/13243/16384\" for reading: No\nsuch file or directory\n STATEMENT: SELECT path, begin,\n pg_read_binary_fil... |
[
{
"msg_contents": "Hi,\n\nAttached patch fixes the minor issues in pg_rewind. The fixes are\n\n* Remove invalid option character \"N\" from the third argument (valid option\nstring) of getopt_long().\n\n* Use pg_free() or pfree() to free the memory allocated by pg_malloc() or\npalloc() instead of always using f... |
[
{
"msg_contents": "This is an attempt to summarize What I think is now the lone outstanding \njsonb issue.\n\nWe need to remove the ambiguity with jsonb_delete() by renaming the \nvariant that takes a text[] (meaning a path) as the second argument to \njsonb_delete_path. That seems uncontroversial.\n\nWe need t... |
[
{
"msg_contents": "Currently, speculative insertion (the INSERT ... ON CONFLICT DO UPDATE\nexecutor/storage infrastructure) uses checkUnique ==\nUNIQUE_CHECK_PARTIAL for unique indexes, which is a constant\noriginally only used by deferred unique constraints. It occurred to me\nthat this has a number of disadva... |
[
{
"msg_contents": "Hello,\n\nI got the following error during DBT-3 benchmark with SF=20.\n\n psql:query21.sql:50: ERROR: invalid memory alloc request size 1073741824\n psql:query21.sql:50: ERROR: invalid memory alloc request size 1073741824\n\nIt looks to me Hash node tries to 1GB area using palloc0(), but... |
[
{
"msg_contents": "I have committed the first draft of the 9.5 release notes. You can view\nthe output here:\n\n\thttp://momjian.us/pgsql_docs/release-9-5.html\n\t\nand it will eventually appear here:\n\n\thttp://www.postgresql.org/docs/devel/static/release.html\n\nI am ready to make suggested adjustments, tho... |
[
{
"msg_contents": "I ran into a typo in a comment in setrefs.c. Patch attached.\n\nBest regards,\nEtsuro Fujita\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp://www.postgresql.org/mailpref/pgsql-hackers",
"msg_date": "Thu, 11 Jun ... |
[
{
"msg_contents": "In Npgsql, the .NET driver for PostgreSQL, we've switched from simple to\nextended protocol and have received a user complaint.\n\nIt appears that when we send two messages in an extended protocol (so two\nParse/Bind/Execute followed by a single Sync), where the first one creates\nsome entity... |
[
{
"msg_contents": "Hi, hackers!\n\nThis is a so tiny patch but I think it is very useful for hackers and DBAs.\nWhen we debug with psql, we frequently use \"SELECT pg_backend_pid();\".\nThis can change the input of the 24 characters to the only 4 characters!\n\nImage.\n----------------------\nnaoya=# \\bid\nBac... |
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