threads listlengths 1 2.99k |
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[
{
"msg_contents": "On Mon, 15 Oct 2012 10:21:18 -0700, Robert Haas <robertmhaas@gmail.com> wrote:\n> Yeah, I think the functionality that we need is pretty much there\n> already today. What we need to do is to get the syntax to a point\n> where people can write the code they want to write without getting\n> ta... |
[
{
"msg_contents": "Hi,\n\nSimple punctuation change to pg_restore docs.\n\n\nKarl <kop@meme.com>\nFree Software: \"You don't pay back, you pay forward.\"\n -- Robert A. Heinlein",
"msg_date": "Tue, 16 Oct 2012 21:50:25 -0500",
"msg_from": "\"Karl O. Pinc\" <kop@meme.com>",
"msg_from... |
[
{
"msg_contents": "Hi,\n\nAs long as I'm sending in trivial fixes\nto the docs here's a bit of wording that's been bugging me.\n\nIn a number of places the docs read \"only relevant\",\nthis patch reverses this to read \"relevant only\".\n\nI believe this reads better because it quickly\nanswers the question \"... |
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{
"msg_contents": "Friendly greetings !\nThere is a change between 9.1 and 9.2 that doesn't seems to be in the\nchangelog :\nhttp://www.postgresql.org/docs/9.2/static/runtime-config-client.html#GUC-TIMEZONE\nhttp://www.postgresql.org/docs/9.1/static/runtime-config-client.html#GUC-TIMEZONE\n\n* in 9.1 the defaul... |
[
{
"msg_contents": "It has been a fact that the RETURNING clause on an INSERT will return\nmultiple rows with the same order as multiple VALUES have been fed.\n\neg: INSERT INTO tbl1(code) VALUES ('abc'), ('def'), ('agh')\n RETURNING id, code;\n\nis expected to yield:\n id | code\n -----------\n ... |
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{
"msg_contents": "Simon Riggs wrote:\n> On 6 October 2012 00:56, Tom Lane <tgl@sss.pgh.pa.us> wrote:\n \n>> 2. DROP INDEX CONCURRENTLY doesn't bother to do\n>> TransferPredicateLocksToHeapRelation until long after it's\n>> invalidated the index. Surely that's no good? Is it even possible\n>> to do that correct... |
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{
"msg_contents": "Kevin Grittner wrote:\n> Simon Riggs wrote:\n>> On 6 October 2012 00:56, Tom Lane <tgl@sss.pgh.pa.us> wrote:\n> \n>>> 2. DROP INDEX CONCURRENTLY doesn't bother to do\n>>> TransferPredicateLocksToHeapRelation until long after it's\n>>> invalidated the index. Surely that's no good? Is it even ... |
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{
"msg_contents": "Tom Lane wrote:\n> \"Kevin Grittner\" <kgrittn@mail.com> writes:\n>> To put that another way, it should be done at a time when it is\n>> sure that no query sees indisvalid = true and no query has yet\n>> seen indisready = false. Patch attached. Will apply if nobody sees\n>> a problem with it.... |
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{
"msg_contents": "Kevin Grittner wrote:\n\n> It took me a while to spot it, but yeah -- I reversed the field\n> names in the comment. :-( The email was right; I fixed the comment.\n\nHmm. The comment is probably better now, but I've been re-checking\nthe code, and I think my actual code change is completely wr... |
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{
"msg_contents": "Kevin Grittner wrote:\n> Hmm. The comment is probably better now, but I've been re-checking\n> the code, and I think my actual code change is completely wrong.\n> Give me a bit to sort this out.\n\nI'm having trouble seeing a way to make this work without rearranging\nthe code for concurrent ... |
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{
"msg_contents": "If OOM happens during expand_table() in hash_search_with_hash_value()\nfor RelationCacheInsert, the hash table entry is allocated and stored\nin the hash table, but idhentry->reldesc remains NULL. Since OOM\ncauses AbortTransaction(), in AtEOXact_RelationCache() this NULL\npointer is referen... |
[
{
"msg_contents": "Hello,\n\nUsing PostgreSQL 9.2.1 on Windows, I am facing a strange character set issue\nwith a UTF-8 database.\n\nMaybe this is expected, but want to be sure that I am not missing something.\n\nOn Windows, I have created a database with:\n\n ENCODING = 'UTF-8'\n LC_COLLATE = 'English_Unit... |
[
{
"msg_contents": "Hello,\n\nUsing PostgreSQL 9.2.1 on Windows, I am facing a strange character set issue\nwith a UTF-8 database.\n\nMaybe this is expected, but want to be sure that I am not missing something.\n\nOn Windows, I have created a database with:\n\n ENCODING = 'UTF-8'\n LC_COLLATE = 'English_Unit... |
[
{
"msg_contents": "Since Simon stirred up a hornets nest suggesting deprecation of a\nnumber of features, I figured I'd take it one step further and suggest\nremoval of some previously deprecated features :)\n\nIn particular, we made a couple of changes over sveral releases back\nin the authentication config, t... |
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{
"msg_contents": "Andres Freund wrote:\n> On Thursday, October 18, 2012 06:12:02 AM Kevin Grittner wrote:\n \n>> I'm having trouble seeing a way to make this work without\n>> rearranging the code for concurrent drop to get to a state where\n>> it has set indisvalid = false, made that visible to all processes,\... |
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{
"msg_contents": "It might be nice for psql to have a 'htmlcaption' boolean pset option that would wrap the provided title/caption, if any, in a caption tag in the HTML report output, when using html format.\n\nMotivation:\n\nWhen I use:\n\n \\pset title 'Some title'\n\nor\n\n \\C 'Some title'\n\npsql em... |
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{
"msg_contents": "I've have a PostgreSQL database cluster that I've continually upgraded\nfrom 7.1 to 9.1 without problems using pg_dumpall and psql. When\nmigrating to 9.2, I decided to change the default encoding for the\ndatabase cluster from SQL_ASCII to UTF8. When I went to restore my\ndatabase backup (... |
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{
"msg_contents": "I've noticed, doing some reporting queries once, that index scans fail\nto saturate server resources on compute-intensive queries.\n\nProblem is, just after fetching a page, postgres starts computing\nstuff before fetching the next. This results in I/O - compute - I/O -\ncompute alternation t... |
[
{
"msg_contents": "On Oct 2 the latest crypto hash function was announced by NIST [1]. I suggest that we include the new hash algorithm in pgcrypto for 9.3.\nThe Keccak site also has a reference implementation in C and Assembler [2]. It may take some effort to integrate the reference implementation as it contai... |
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{
"msg_contents": "Rushabh Lathia of the EnterpriseDB development team and I have been\ndoing some testing of the extended query protocol and have found a\ncase where it causes an assertion failure. Here's how to reproduce:\n\n1. Apply the attached patch to teach psql how to use the extended\nquery protocol. ... |
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{
"msg_contents": "This patch adds \\watch to psql. It is much like the unix equivalent,\ndefaulting to every 2 seconds, and allowing you optionally specify a number\nof seconds.\n\nI will add this to the commit fest app.\n\nThanks,\nWill Leinweber\n\nExample:\n\npsql (9.3devel, server 9.1.4)\nType \"help\" for... |
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{
"msg_contents": "Hi,\n\nI was trying to create foreign key constraints on a sub-column of a composite-type column, but couldn't find a way to do it. After asking around on IRC, it seems like this isn't supported in PostgreSQL.\n\nI wanted to do something like:\n\n\tcreate type profile as (account_id integer);... |
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{
"msg_contents": "Simon Riggs wrote:\n> Kevin, you're good to go on the SSI patch, or I'll apply next week\n> if you don't. Thanks for that.\n\nThere were some hunks failing because of minor improvements to the\ncomments you applied, so attached is a version with trivial\nadjustments for that. Will apply tomo... |
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{
"msg_contents": "Robert Haas wrote:\n\n> You know, if we implemented what Tom proposed here:\n> \n> http://archives.postgresql.org/pgsql-hackers/2012-08/msg01055.php\n> \n> ...then we probably get away with removing pg_size_pretty(bigint)\n> and then this would Just Work. pg_size_pretty(numeric) is doubtless\... |
[
{
"msg_contents": "\nI'm not sure if this has come up before.\n\nA client was just finding difficulties because to_char() doesn't support \nformatting the timezone part of a timestamptz numerically (i.e. as \n+-hhmm) instead of using a timezone name. Is there any reason for that? \nWould it be something worth h... |
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{
"msg_contents": "Kevin Grittner wrote:\n\n> Will apply tomorrow if there are no further objections.\n\nDone.\n\n-Kevin\n\n",
"msg_date": "Sun, 21 Oct 2012 18:12:02 -0400",
"msg_from": "\"Kevin Grittner\" <kgrittn@mail.com>",
"msg_from_op": true,
"msg_subject": "Re: Bugs in CREATE/DROP INDEX CO... |
[
{
"msg_contents": "Tom Lane wrote:\n> This needs to be back-patched, no?\n\nLooking at that now.\n\n-Kevin\n\n",
"msg_date": "Sun, 21 Oct 2012 18:20:22 -0400",
"msg_from": "\"Kevin Grittner\" <kgrittn@mail.com>",
"msg_from_op": true,
"msg_subject": "Re: Bugs in CREATE/DROP INDEX CONCURRENTLY"
... |
[
{
"msg_contents": "Kevin Grittner wrote:\n> Tom Lane wrote:\n> > This needs to be back-patched, no?\n> \n> Looking at that now.\n\nBack-patched to 9.2. I don't know how I got it in my head that this\nwas a pending 9.3 feature. I'll check next time, even if I think I\nknow.\n\nThanks to both Andres and Tom for... |
[
{
"msg_contents": "Hello\n\nI should to search distinct values based on similarity\n\npostgres=# explain select nazobce, nazobce <-> 'Benešov' from obce\norder by nazobce <-> 'Benešov' limit 10\n;\n QUERY PLAN\n-------------------------------------------------------------... |
[
{
"msg_contents": "Simon Riggs wrote:\n> Greg Stark <stark@mit.edu> wrote:\n>> Tom Lane <tgl@sss.pgh.pa.us> wrote:\n>>> Isn't there an even more serious problem, namely that this\n>>> assumes *all* transactions are serializable?\n\nDo you mean in terms of the serializable transaction isolation level,\nor someth... |
[
{
"msg_contents": "[I'm replying to Robert's message only because it is the latest on\nthe thread; I'm actually kinda replying to the whole thread in\ngeneral.]\n\nWhen catching up on a backlog, one would hope that any thread\ncomprising more than 5% of said backlog would be more constructive. \n:-(\n\nAs someo... |
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{
"msg_contents": "I could find out a case to cause Assert() failure during investigation of RLS...\n\npostgres=# CREATE TABLE t1 (x int, y text);\nCREATE TABLE\n\npostgres=# CREATE RULE \"_RETURN\" AS ON SELECT TO t1 DO INSTEAD SELECT\n1 AS x, 'aaa'::text AS y;\nCREATE RULE\n\npostgres=# SELECT * FROM t1;\n x ... |
[
{
"msg_contents": "While investigating a ruby-pg issue [1], we noticed that a libpq SSL \nconnection can fail, if the running application uses OpenSSL for other \nwork, too. Root cause is the thread local error queue of OpenSSL, that \nis used to transmit textual error messages to the application after a \nfail... |
[
{
"msg_contents": "Hello\n\nThe \"pg_ctl promote\" command returns an exit code of 1 when the server\nis not in standby mode, and the same exit code of 1 when the server\nisn't started at all. The only difference at the time being is the\nstring output at the time, which FYI are...\n\npg_ctl: cannot promote ser... |
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{
"msg_contents": "> From: Claudio Freire <klaussfreire@gmail.com>\n> I hope I'm not talking to myself.\n\nIndeed not. I also looked into prefetching for pure index scans for b-trees (and extension to use async io).\nhttp://archives.postgresql.org/message-id/BLU0-SMTP31709961D846CCF4F5EB4C2A3930%40phx.gbl\n\... |
[
{
"msg_contents": "Hi,\n\nEvery year we have a ton of questions about updating the time zone data in\nBrazil (our politics decided to do it at 90min at the second half). Problem is\nthat there is not sufficient time to release a new minor version with an\nupdated time zone data. It is not a problem for *nix bec... |
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{
"msg_contents": "Hi,\n\nDuring the course of some discussion, I proposed the possibility of us\nexposing a continuously updated copy of the \"make coverage\" target,\nafter running some standard test suite (possibly some of the\n\"check-world\" targets). This would give everyone some visibility into\nthe cod... |
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{
"msg_contents": "Hi,\r\n\r\nI've taken the surplus translation tasks of the incomplete items in http://babel.postgresql.org/ on PG branch 9.2.\r\nand about 16 patches are submitted into: http://pgfoundry.org/tracker/?atid=320&group_id=1000064&func=browse\r\n\r\nAlmost all are finished.\r\nCould someone take ... |
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{
"msg_contents": "HI there,\n\nI've committed a tiny bit of code to the postgresql_measures_types project\non github:\n\ngit://github.com/aaronsheldon/postgresql_measure_types.git\n\nIt faintly shows the direction I'm going in. Over the next few weeks of\nwork in the evenings I'm going to tackle the to-do lis... |
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{
"msg_contents": "Is it possible to copy some table data from remote client to the PG database server directly without upload the data file to the server side in advance?\r\n\r\n\r\n---------------------------------------------------\r\nThanks&Regards,\r\nXiong He\nIs it possible to copy some table data from r... |
[
{
"msg_contents": "This problem has been discussed before. Those familiar with the subject \nplease skip the next paragraph.\n\nWhen autovacuum finds a substantial amount of empty pages at the end of \na relation, it attempts to truncate it in lazy_truncate_heap(). Because \nall the scanning had been done in pa... |
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{
"msg_contents": "Steven,\n\nOn 10/24/2012 10:46 PM, Stephen Frost wrote:\n> Jan,\n>\n> * Jan Wieck (JanWieck@Yahoo.com) wrote:\n>> This problem has been discussed before. Those familiar with the\n>> subject please skip the next paragraph.\n>\n> Apologies if this was already thought-of and ruled out for some r... |
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{
"msg_contents": "We have a couple of unfixed bugs regarding extensions, for which patches\nhave been proposed but remain unfixed in git.\n\nThe oldest is bug #6704, for which a proposed fix for the master branch\nwas posted here: \nhttp://archives.postgresql.org/message-id/m2zk4e6p7m.fsf@2ndQuadrant.fr\nThere... |
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{
"msg_contents": "Alvaro Herrera wrote:\n> Kevin Grittner escribió:\n>> Tom Lane <tgl@sss.pgh.pa.us> wrote:\n> \n>>> Also, it doesn't appear that we ever got around to preparing\n>>> documentation updates, but I think we definitely need some if\n>>> we're going to start throwing errors for things that used to ... |
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{
"msg_contents": "Pavel Stehule wrote:\n> 2012/10/22 Tom Lane <tgl@sss.pgh.pa.us>:\n\n>> Perhaps it would be close enough to what you want to use DISTINCT ON:\n>>\n>> contrib_regression=# explain select distinct on( t <-> 'foo') *,t <-> 'foo' from test_trgm order by t <-> 'foo' limit 10;\n\n> good tip - it's w... |
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{
"msg_contents": "Hackers,\n\nAny plans to implement a documentation standard for extensions? I would love to see `make install` create the necessary man pages and perhaps even HTML (with a link added in the proper place). Anyone given this any thought? Dim?\n\nThanks,\n\nDavid\n",
"msg_date": "Thu, 25 Oct... |
[
{
"msg_contents": "On Thursday, October 25, 2012 5:43 AM, Noah Misch wrote:\nOn Tue, Oct 23, 2012 at 08:21:54PM -0400, Noah Misch wrote:\n>> -Patch- -tps@-c1- -tps@-c2- -tps@-c8- -WAL@-c8-\n>> HEAD,-F80 816 1644 6528 1821 MiB\n>> xlogscale,-F80 824 ... |
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{
"msg_contents": "I noticed this in information_schema; it would seem\nthe 'DBMS VERSION' is still the old value:\n\n\n$ psql\npsql (9.2.1)\nType \"help\" for help.\n\n# select version();\n version\n---------------------------------------------------------------------------... |
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{
"msg_contents": "Tom Lane wrote:\n> \"Kevin Grittner\" <kgrittn@mail.com> writes:\n> > Pavel Stehule wrote:\n> >> 2012/10/22 Tom Lane <tgl@sss.pgh.pa.us>:\n> >>> Perhaps it would be close enough to what you want to use DISTINCT ON:\n> >>> contrib_regression=# explain select distinct on( t <-> 'foo') *,t <-> '... |
[
{
"msg_contents": "Hi All,\n\nQuery with the sub-query in the projection list ending up with hitting all\nthe\npartition table even though having proper partition key condition.\n\nExample:\n\nCREATE TABLE measurement (\n city_id int not null,\n logdate date not null,\n peaktemp ... |
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{
"msg_contents": "Hi,\n\nThis patch adds an empty row before each section header\nin the error codes table in the docs.\n\nI tried not putting an empty row before the first\nsection, but it looks better to always have\nan empty row. IMO.\n\nFile: errorcode_table.patch\n\nApplies against head.\n\nRegards,\n\nK... |
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{
"msg_contents": "Hi,\n\nThe attached patch, raise_using_keyword_table.patch,\nputs the pl/pgsql RAISE USING keywords into a table,\nreplacing a prose description.\n\nAgainst HEAD.\n\nKarl <kop@meme.com>\nFree Software: \"You don't pay back, you pay forward.\"\n -- Robert A. Heinlein",
"ms... |
[
{
"msg_contents": "Alvaro Herrera wrote:\n> Kevin Grittner escribió:\n>> Tom Lane <tgl@sss.pgh.pa.us> wrote:\n> \n>>> Also, it doesn't appear that we ever got around to preparing\n>>> documentation updates, but I think we definitely need some if\n>>> we're going to start throwing errors for things that used to ... |
[
{
"msg_contents": "I just had this thought a few minutes ago, discussed it briefly with \nRhodiumToad on #postgresql and wanted to put it out here for discussion. \nFeel free to rip it apart. It probably is a bit \"al-dente\" at this point \nand needs more cooking.\n\nThe reason why we need full_page_writes is ... |
[
{
"msg_contents": "I just had this thought a few minutes ago, discussed it briefly with \nRhodiumToad on #postgresql and wanted to put it out here for discussion. \nFeel free to rip it apart. It probably is a bit \"al-dente\" at this point \nand needs more cooking.\n\nThe reason why we need full_page_writes is ... |
[
{
"msg_contents": "Hello Hackers!\n\nSo, currently the only way to see if a function is security definer or not is to directly query pg_proc. This is both irritating, and I think perhaps dangerous since security definer functions can be so powerful. I thought that rectifying that would make an excellent first ... |
[
{
"msg_contents": "Hey folks,\n\nIt seems like right now when you want to create an index concurrently, the index creation will get canceled if you cancel the statement (i.e. you must keep your statement open).\n\nIs there a way to \"launch\" an index creation in the background so that the statement doesn't nee... |
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{
"msg_contents": "This is how PostgreSQL currently works -\n\ntest=# select 'NaN'::float = 'NaN'::float as must_be_false;\n must_be_false\n----------\n t\n(1 row)\n\nI think that PostgreSQL's behaviour of comparing two\nNaN-s as equal is wrong and Iwe should follow the IEEE 754 spec here\n\nAs per IEEE 754 a... |
[
{
"msg_contents": "Preserve intermediate .c files in coverage mode\n\nThe introduction of the .y -> .c pattern rule causes some .c files such\nas bootparse.c to be considered intermediate files in the .y -> .c -> .o\nrule chain, which make would automatically delete. But in coverage\nmode, the processing tools... |
[
{
"msg_contents": "hi all,\n I am newbee in Postgresql.As a part of an assignment I need to create\nindexes for certain set of queries and evaluate its performance.\nCan u guys throw some light in this?\n\nThanking in advance\nReagards\nnanti\n\nhi all, I am newbee in Postgresql.As a part of an assignment I nee... |
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{
"msg_contents": "David Lee wrote:\n\n> It seems like right now when you want to create an index\n> concurrently, the index creation will get canceled if you cancel\n> the statement (i.e. you must keep your statement open).\n> \n> Is there a way to \"launch\" an index creation in the background so\n> that the ... |
[
{
"msg_contents": "Hi all,\n\nI see there's already a TODO for allowing pg_restore to accept\nmultiple --table arguments[1], but would folks support adding this\ncapability to various other commands which currently accept only a\nsingle --table argument, such as clusterdb, vacuumdb, and reindexdb?\n\nLooking at... |
[
{
"msg_contents": "Andres Freund wrote:\n> On Sunday, October 28, 2012 11:47:16 PM Simon Riggs wrote:\n>> Andres Freund <andres@2ndquadrant.com> wrote:\n\n>>> * Is it ok to make FOR UPDATE somewhat weaker than before? In 9.2\n>>> and earlier you could be sure that if you FOR UPDATE'ed a row you\n>>> could delet... |
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{
"msg_contents": "nadeesh t v wrote:\n\n> I am newbee in Postgresql.As a part of an assignment I need to\n> create indexes for certain set of queries and evaluate its\n> performance.\n> Can u guys throw some light in this?\n\nThis is the wrong list for this question.\n\nI recommend you read up on indexes and m... |
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{
"msg_contents": "SYNTAX: \n\nALTER SYSTEM SET configuration_parameter = value COMMENT 'value'; \n\n \n\nDESIGN IDEA: \n\n(a) have a postgresql.conf.auto \n\n(b) add a default include for postgresql.conf.auto at the beginning of\nPostgreSQL.conf \n\n(c) SQL updates go to postgresql.conf.auto, which consists on... |
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{
"msg_contents": "On Mon, Oct 29, 2012 at 8:31 AM, Amit Kapila <amit.kapila@huawei.com> wrote:\n> SYNTAX:\n>\n> ALTER SYSTEM SET configuration_parameter = value COMMENT 'value';\n>\n\n> Comments/Suggestions about the value of this feature and Implementation\n> Idea?\n\nHow is this better than simply updating t... |
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{
"msg_contents": "What's the use case of this? It sounds like it will just create a maintenance nightmare where some stuff you expect to lookup in in postgresql.conf is actually hiding in the .auto file. Assuming only super users/sysadmins would have the ability to change things in the config file, wouldn't th... |
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{
"msg_contents": "Hi\n\nIs there a way to test for a variable being unassigned in pl/pgsql ?\n\nI'm writing an audit trigger where I'd like to save full before and\nafter images into audit log and I really do not like to do\n\nIF TG_OP IN ('INSERT', 'UPDATE') ...\n\nI'd like rather better if i could just write... |
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{
"msg_contents": "Hey,\n\nthis is my first post to the -hackers lists, so be merciful ;-)\n\nI created a patch which implements MAP_HUGETLB for sysv shared memory segments \n(PGSharedMemoryCreate). It is based on tests of Tom Lane and Andres Freund, I \nadded error handling, huge page size detection and a GUC ... |
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{
"msg_contents": "hi\n\n\ni have sql file (it's size are 1GB )\nwhen i execute it then the String is 987098801 bytr too long for encoding\nconversion error occured .\npls give me solution about\n\ni have XP 64-bit with 8 GB RAM shared_buffer 1GB check point = 34\n\n\nwith thanks\nmahavir\n\nhi i have sql f... |
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{
"msg_contents": "MySQL permits a connection to access multiple databases.\nBut Postgresql restricts a connection to one database.\nI think postgresql database connection is somewhat limited.\n\nIs it an old and decrepit design? or does it deserve some appreciations?\n\n",
"msg_date": "Tue, 30 Oct 2012 21:... |
[
{
"msg_contents": "Hi All, \n\nWe are using postgreSQL since 2007 (now we use postgreSQL 8.4) and until recently we used to perform vacuum and analyze tasks by ourself. Nevertheless we reached a point where these tasks are taking so much time that why we decide to use the autovacuum daemon. \n\nBut we have some... |
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{
"msg_contents": "PL/Python maps Python SPIError exceptions with 'spidata' attribute into SQL\nerrors. PL/Python also creates classes in plpy.spiexceptions for all known\nerrors but does not initialize their spidata, so when a PL/Python function\nraises such an exception it is not recognized properly and is a... |
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{
"msg_contents": "I looked into the complaint of unreasonable planner runtime in bug #7626,\nhttp://archives.postgresql.org/pgsql-bugs/2012-10/msg00232.php\n\nIn the given example, the indexed relation \"foo\" has join clauses with\n30 other relations. The code that I added in commit\n3b8968f25232ad09001bf35a... |
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{
"msg_contents": "There seems to be a problem in behavior of Create Index Concurrently and Hot\nUpdate in HEAD code . \nPlease see the below testcase \n\nStep-1 \n----------- \nClient-1 \nCreate table t1(c1 int, c2 int, c3 int); \ninsert into t1 values(1,2,3); \n\nStep-2 \n----------- \nClient - 2 \nupdate t1 ... |
[
{
"msg_contents": "On Wed, Oct 31, 2012 at 11:41 AM, Amit Kapila <amit.kapila@huawei.com>wrote:\n\n>\n>\n> According to me, the problem happens at Step-4. As at Step-4, it does the\n> HOT update due to which validate_index() is not able to put an entry for\n> C2=5\n>\n>\nThanks for the report. I can reproduce t... |
[
{
"msg_contents": "Hello\n\nhow is state of this\nhttp://archives.postgresql.org/pgsql-hackers/2009-09/msg01920.php ?\n\nRegards\n\nPavel Stehule\n\n",
"msg_date": "Wed, 31 Oct 2012 10:32:22 +0100",
"msg_from": "Pavel Stehule <pavel.stehule@gmail.com>",
"msg_from_op": true,
"msg_subject": "state... |
[
{
"msg_contents": "Hi All, \n\nWe are using postgreSQL since 2007 (now we use postgreSQL 8.4) and until recently we used to perform vacuum and analyze tasks by ourself. Nevertheless we reached a point where these tasks are taking so much time that why we decide to use the autovacuum daemon. \n\nBut we have some... |
[
{
"msg_contents": "Hello\n\nit is expected behave?\n\n1.session\n\npostgres=# begin;\nBEGIN\npostgres=# lock oo IN ACCESS EXCLUSIVE MODE;\nLOCK TABLE\n\n2. session\n\npostgres=# select * from oo for update nowait;\n\nhangs forever ....\n\nRegards\n\nPavel Stehule\n\n",
"msg_date": "Wed, 31 Oct 2012 14:51:38... |
[
{
"msg_contents": "Fix erroneous choices of segNo variables\n\nCommit dfda6eba (which changed segment numbers to use a single 64 bit\nvariable instead of log/seg) introduced a couple of bogus choices of\nexactly which log segment number variable to use in each case.\n\nThis is currently pretty harmless; in one ... |
[
{
"msg_contents": "-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\nHi!\n\nThis is an old problem, referred to in bug #4907:\n\n\nCREATE TABLE test(id INTEGER);\nINSERT INTO test VALUES (1);\n\nCREATE OR REPLACE FUNCTION test_func() returns SETOF test as $$\nDECLARE\n res_ test;\nBEGIN\n FOR res_ IN SE... |
[
{
"msg_contents": "This was rather surprising - my synchronous commit was... not cancelled. Is\nthis expected behaviour?\n\nd5r5fdj6u5ieml=> begin;\nBEGIN\nd5r5fdj6u5ieml=> set synchronous_commit = 'on';\nSET\nd5r5fdj6u5ieml=> insert into data values ('baz');\nINSERT 0 1\nd5r5fdj6u5ieml=> commit;\n^CCancel requ... |
[
{
"msg_contents": "Hi, Dear Hackers I need to estimate the hashjoin cost in my research. As the textbook shows, it is 3(R+S) where R and S are the size of the tablesize of the two tables, which realistically only considers the cost of IO. But this is obviously too theoretical. What is the correct way to esti... |
[
{
"msg_contents": "Qi Huang wrote:\n\n> I need to estimate the hashjoin cost in my research.\n\n> I looked at the code of final_cost_hashjoin() . It is not clear\n> what factor it is considering. So, except the I/O to and from disk,\n> what other factors are affecting the cost of hahsjoin?\n\nhttp://www.postgre... |
[
{
"msg_contents": "Hello.\n\nWhy adding FK creates AccessExclusiveLock on referenced tabble?\n\n{{{\nCREATE TABLE A ( id integer, idb integer );\nINSERT INTO A (id,idb) SELECT x, x%4 FROM generate_series(1,100) x;\n\nCREATE TABLE B ( id int primary key );\nINSERT INTO B VALUES (0),(1),(2),(3);\n\nBEGIN;\nALTER ... |
[
{
"msg_contents": "Parsing log files for commonly needed performance data is no fun. As a \nnext step toward eliminating that, I've been working on how to approach \nthis similarly to how pg_stat_statements can cut down on query log \nprocessing. I thought it would be novel to outline this for design \nreview... |
[
{
"msg_contents": "This is a little patch to fix a typo in a comment.\n\nBest regards,\nEtsuro Fujit",
"msg_date": "Fri, 2 Nov 2012 14:40:14 +0900",
"msg_from": "\"Etsuro Fujita\" <fujita.etsuro@lab.ntt.co.jp>",
"msg_from_op": true,
"msg_subject": "Comment typo"
},
{
"msg_contents": "Sor... |
[
{
"msg_contents": "Hi,\n\nI noticed this behavior on master and it seems like a bug to me:\n\npostgres=# CREATE TABLE test (a float check (a > 10.2));\nCREATE TABLE\npostgres=# CREATE TABLE test_child() INHERITS(test);\nCREATE TABLE\npostgres=# ALTER TABLE test ALTER COLUMN a SET DATA TYPE numeric;\n\n ... |
[
{
"msg_contents": "Hi,\n\nIs there the way to know the number of pending entries in GIN index which\nwas created with FASTUPDATE = on? If not, is it worth implementing the\nfunction returning that number?\n\nI sometimes would like to know that number when I measure how much\npending entries affect the performan... |
[
{
"msg_contents": "Hello,\n\nI am encountering an error on my Postgres installation for Windows Server\n64-bit. The error was posted\nhere<http://archives.postgresql.org/pgsql-bugs/2012-09/msg00014.php>a\ncouple months ago; however, no solution was found on the pgsql-bugs\nlist,\nso I am reposting it to pgsql-h... |
[
{
"msg_contents": "When I tried our test suite against 9.2.1 one of the tests failed,\nit looked really strange, the query had returned a row which could\nimpossibly match the WHERE statement.\n\nI heard on #postgresql this bug has already been reported.\n\nIf helpful, here is a simple test to reproduce the pro... |
[
{
"msg_contents": "Hello\n\nhere is a updated patch\n\nRegards\n\nPavel",
"msg_date": "Sat, 3 Nov 2012 19:45:36 +0100",
"msg_from": "Pavel Stehule <pavel.stehule@gmail.com>",
"msg_from_op": true,
"msg_subject": "gset updated patch"
},
{
"msg_contents": "On 11/03/2012 01:45:36 PM, Pavel S... |
[
{
"msg_contents": "Hello\n\nI cannot to send a patch to mailing list\n\nRegards\n\nPavel Stehule\n\n\n---------- Forwarded message ----------\nFrom: <pgsql-hackers-owner@postgresql.org>\nDate: 2012/11/3\nSubject: Stalled post to pgsql-hackers\nTo: Pavel Stehule <pavel.stehule@gmail.com>\n\n\nYour message to pg... |
[
{
"msg_contents": "...not MVCC.\n\nCould we use this for geographically separated replication?\n\nhttp://muratbuffalo.blogspot.com/2012/11/mdcc-multi-data-center-consistency.html\n\nh/t Neil Conway.\n\nCheers,\nDavid.\n-- \nDavid Fetter <david@fetter.org> http://fetter.org/\nPhone: +1 415 235 3778 AIM: dfetter... |
[
{
"msg_contents": "Hello\n\nhere is patch, that enables using a variadic parameter modifier for\nvariadic \"any\" function.\n\nMotivation for this patch is consistent behave of \"format\" function,\nbut it fixes behave of all this class variadic functions.\n\npostgres=> -- check pass variadic argument\npostgres... |
[
{
"msg_contents": "Is there any fundamental or philosophical reason why a foreign table\ncan't accept arguments? Should that be a TODO?\n\nRight now, to accept arguments to a from-clause item, you have to use an\nSRF, which is much more limited than a foreign table. If foreign tables\ncould accept arguments, th... |
[
{
"msg_contents": "ISTM it would be better to update the text about index cost estimation in\nindexam.sgml. Please find attached a patch.\n\nThanks,\n\nBest regards,\nEtsuro Fujita",
"msg_date": "Mon, 5 Nov 2012 12:52:06 +0900",
"msg_from": "\"Etsuro Fujita\" <fujita.etsuro@lab.ntt.co.jp>",
"msg_fr... |
[
{
"msg_contents": "Magnus reported that a customer with a million tables was finding\npg_upgrade slow. I had never considered many table to be a problem, but\ndecided to test it. I created a database with 2k tables like this:\n\n\tCREATE TABLE test1990 (x SERIAL);\n\nRunning the git version of pg_upgrade on t... |
[
{
"msg_contents": "Would it be possible to provide libpq in separate tarbal or is that too much to ask for ?\n\nThank you!\n\nKind regards\nStefan\n\n\n\n\n",
"msg_date": "Tue, 6 Nov 2012 20:11:33 +0100",
"msg_from": "Stefan <humdumdedum@gmail.com>",
"msg_from_op": true,
"msg_subject": "libpq"
... |
[
{
"msg_contents": "Following the sig is a first cut at a patch (written by Atri) that\nattempts to mitigate hint bit i/o penalty when many pages worth of\ntuples are sequentially written out with the same transaction id.\nThere have been other attempts to deal with this problem that fit\nniche cases (especially... |
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