threads listlengths 1 2.99k |
|---|
[
{
"msg_contents": "Laments at:\n\nhttp://wiki.postgresql.org/wiki/FAQ#Why_is_.22SELECT_count.28.2A.29_FROM_bigtable.3B.22_slow.3F\nhttp://wiki.postgresql.org/wiki/Slow_Counting\n\nI tried this on my MacBook Pro this morning, using pgbench -i -s 500\nto create a database about 7.5GB in size, and then using \"SEL... |
[
{
"msg_contents": "\nA few months ago, I blogged about the difficulty of getting psql to put \na bytea datum into a file. See \n<http://people.planetpostgresql.org/andrew/index.php?/archives/196-Clever-trick-challenge.html>. \nToday I ran into the problem again, and it struck me that we could \nfairly easily ha... |
[
{
"msg_contents": "Hi,\n\nI am new to this list. I haven't ever contributed code before, and \nhave no idea on how to do this.\n\nI have made some changes to my copy of the 9.1.1 code that \nencrypts/decrypts the database files on the fly using AES256 cypher.\n\nIt passes all the tests. :-)\n\nThe changes are... |
[
{
"msg_contents": "----- Цитат от Tom Lane (tgl@sss.pgh.pa.us), на 22.10.2011 в 19:19 -----\n\n> Andres Freund <andres@anarazel.de> writes:\n>> On Saturday, October 22, 2011 05:20:26 PM Tom Lane wrote:\n>>> Huh? In the case he's complaining about, the index is all in RAM.\n>>> Sequentiality of access is not an... |
[
{
"msg_contents": "Hi\n\nPavel Stehule reviewed my first patch and pointed many\nissues - thanks! This patch resolves three problems:\n\n1. The main issue - variables with copied types (%TYPE\n and %ROWTYPE attributes) can be declared as arrays.\n Grammar has been extended to match new syntax.\n\n2. It's p... |
[
{
"msg_contents": "Hello\n\nI did a review this final patch\n\n1) we want this feature - it is long time in ToDo\n2) this feature support all types where it has sense\n3) patch respect PostgreSQL's coding standards\n4) patch was applied cleanly\n5) code was compiled without warnings\n6) regress tests was passed... |
[
{
"msg_contents": "With index only scans, the comments in\nsrc/backend/access/heap/visibilitymap.c are probably out of date,\nstarting with:\n\n\"Currently, the visibility map is only used as a hint\"\n\n\nAlso, is there a discussion of how and why index-only scans is safe?\ni.e. what lock, if any, has to be he... |
[
{
"msg_contents": "Hi,\n\nThe main point of autovacuum is maintenance tasks. Currently, it executes \nVACUUM and ANALYZE commands. I want to propose that we incorporate vacuumlo \nfunctionality into it. While dealing with large objects (LO), we have lo \ncontrib module that helps with LO maintenance but has som... |
[
{
"msg_contents": "Hello,\n\n \n\nI have tried 9.1.1 win64 version and when I am trying to declare a cursor\nfor a very large view (lot of joins and aggregate functions),\n\npostgres is using around 3GB of memory and the query never returns.\n\n \n\nSame proble selecting from the view without cursor.\n\n \n\nSa... |
[
{
"msg_contents": "Hello\n\nplease, send a result of explain analyze on 9.1.1 and older\n\nplease, use http://explain.depesz.com/\n\nRegards\n\nPavel Stehule\n\n2011/10/24 Omar Bettin <o.bettin@informaticaindustriale.it>:\n> Hello,\n>\n>\n>\n> I have tried 9.1.1 win64 version and when I am trying to declare a c... |
[
{
"msg_contents": "2011/10/24 Omar Bettin <o.bettin@informaticaindustriale.it>\n\n> Hello,****\n>\n> ** **\n>\n> I have tried 9.1.1 win64 version and when I am trying to declare a cursor\n> for a very large view (lot of joins and aggregate functions),****\n>\n> postgres is using around *3GB* of memory and the q... |
[
{
"msg_contents": "On Mon, Oct 24, 2011 at 4:57 AM, Omar Bettin\n<o.bettin@informaticaindustriale.it> wrote:\n> I have tried 9.1.1 win64 version and when I am trying to declare a cursor\n> for a very large view (lot of joins and aggregate functions),\n>\n> postgres is using around 3GB of memory and the query ne... |
[
{
"msg_contents": "Hi All,\n\n I have not been able to reproduce this error, but wanted to report this\nin case it might be useful.\n\n Commit -id: 0f39d5050dc0dce99258381f33f1832c437aff85\n\n Configure options:\n --prefix=/mnt/storage/gurjeet/dev/builds//master/db --enable-debug\n--enable-cassert C... |
[
{
"msg_contents": "Hi,\n\nSince the data are of third parties, will prepare a database suitable for the purpose.\nIn any case, the compressed backup will be around 20 MB.\n\nRegards,\n\nOmar Bettin\n\n\n-----Messaggio originale-----\nDa: Jan Urbański [mailto:wulczer@wulczer.org] \nInviato: lunedì 24 ottobre 201... |
[
{
"msg_contents": "Hackers,\n\nAfter Hekki's talk on PgConf.EU about SSI, some idea comes to my mind.\nCoundn't be predicate locking implementation in SSI be used for in-database\ncache invalidation.\nIt could be possible to implement in-database cache which will acquire\npredicate locks like SSI transactions. ... |
[
{
"msg_contents": "Hi.\n\nI would like to ask you which sources are responsible for execute queries in\nPostgreSQL?\n( i would like to run a simple query and debug it execution on PostgreSql\nserver for understanding how PostgeSql does query processing internally)\n\nregards,\nVadym\n\nHi.I would like to ask yo... |
[
{
"msg_contents": "I'd like to propose pgsql_fdw, FDW for external PostgreSQL server, as a\ncontrib module. I think that this module would be the basis of further\nSQL/MED development for core, e.g. join-push-down and ANALYZE support.\n\nI attached three patches for this new FDW. They should be applied in\nth... |
[
{
"msg_contents": "I am currently using the prefix search feature in text search. I find\nthat the prefix characters are treated the same as a normal lexeme and\npassed through stemming and stopword dictionaries. This seems like a bug\nto me. \n\ndb=# select to_tsquery('english', 's:*');\nNOTICE: text-search q... |
[
{
"msg_contents": "Hi!\n\nThere is updated version of patch. General list of changes since reviewed\nversion:\n1) Distinct slot is used for length histogram.\n2) Standard statistics is collected for arrays.\n3) Most common values and most common elements are mapped to distinct\ncolumns of pg_stats view, because... |
[
{
"msg_contents": "This patch adds a -n option to isolationtester. With this option,\ninstead of running the tests, it prints the permutations that would be\nrun. This is very useful for generating test specs which need to remove\npermutations that are not valid (because they would run a command on a\nblocked... |
[
{
"msg_contents": "I've looked into the cause of bug #6268,\nhttp://archives.postgresql.org/pgsql-bugs/2011-10/msg00223.php\n\nIt's fairly simple: we're firing RI triggers in the wrong order.\n\nWhat's happening is that we update the tuple and queue RI_FKey_check_upd\nand RI_FKey_cascade_upd events for the upda... |
[
{
"msg_contents": "Hi,\n\nSome time ago [1], I proposed print a message every time there isn't \nautovacuum slots available and it asks for another one. It is not a complete \nsolution for autovacuum tuning but it would at least give us a hint that \nnumber of workers is insufficient to keep up with the current... |
[
{
"msg_contents": "I believe I have reproduced the behavior described by Andrew Hammond in\nhttp://archives.postgresql.org/pgsql-general/2011-10/msg00928.php\n\nThis is using the regression database:\n\n1. In session 1, do\n\tset default_statistics_target TO 10000;\n\tanalyze tenk1;\n(We need the large stats ta... |
[
{
"msg_contents": "Instead of simply aborting a spec that specifies running commands on\nblocked sessions (what we call an invalid permutation), it seems more\nuseful to report the problem, cleanup the sessions, and continue with\nthe next permutation.\n\nThis, in conjunction with the dry-run patch I submitted ... |
[
{
"msg_contents": "(CC'ing pgsql-hackers, this started as an IM discussion yesterday but \nreally belongs in the archives)\n\nOn 25.10.2011 23:52, Magnus Hagander wrote:\n>> There's a tiny chance to get incomplete xlog files with pg_receivexlog if you crash:\n>> 1. pg_receivexlog finishes write()ing a file but ... |
[
{
"msg_contents": "Hello\n\none my customer reported a random issue. He uses a procedure with\nfollowing fragment\n\n IF NOT EXISTS(\n SELECT relname FROM pg_class\n WHERE relname = 'tmp_object_state_change' AND relkind = 'r' AND\n pg_table_is_visible(oid)\n )\n THEN\n CREATE TEMPORARY TABLE tmp_object_... |
[
{
"msg_contents": "Suggested doc “patch”:\n\n grep -lri 'can not' doc | xargs perl -i -pe 's/can not/cannot/g'\n\nBest,\n\nDavid\n\n",
"msg_date": "Wed, 26 Oct 2011 11:16:02 -0700",
"msg_from": "\"David E. Wheeler\" <david@kineticode.com>",
"msg_from_op": true,
"msg_subject": "Cannot"
},
... |
[
{
"msg_contents": "Chris Redekop's recent report of slow startup for Hot Standby has made\nme revisit the code there.\n\nAlthough there isn't a bug, there is a missed opportunity for starting\nup faster which could be the source of Chris' annoyance.\n\nThe following patch allows a faster startup in some circums... |
[
{
"msg_contents": "On the docs page for the SELECT statement, there is a caution which\nstarts with:\n \n| It is possible for a SELECT command using ORDER BY and FOR\n| UPDATE/SHARE to return rows out of order. This is because ORDER BY\n| is applied first.\n \nIs this risk limited to queries running in READ COM... |
[
{
"msg_contents": "Some off-list discussion found that the cause of this problem:\nhttp://archives.postgresql.org/pgsql-general/2011-10/msg00879.php\nwas an attempt to write a plpgsql IF-ELSIF-ELSIF-ELSIF-ELSIF-...-ELSE\nstatement with five thousand branches. Putting aside the wisdom of\ndoing that, it seems l... |
[
{
"msg_contents": "I am posting to beg for the implementation of a \"with hold\" feature for\nportals, similar to what available for cursors. This is needed by the JDBC\ndriver to implement Java's Result.HOLD_CURSORS_OVER_COMMIT which is needed\nto make Java's setFetchSize() work which is needed to read large ... |
[
{
"msg_contents": "One of the optimizations that I did for 9.1 was to make transactions\nthat touch only temporary and/or unlogged tables always commit\nasynchronously, because if the database crashes the table contents\nwill be blown away in their entirety, and whether or not the commit\nmade it down to disk w... |
[
{
"msg_contents": "All,\n\n Was just wondering if we might want to include the default socket\n directory that was compiled in as part of the pg_config output..?\n \n \tThanks,\n\n\t\tStephen",
"msg_date": "Thu, 27 Oct 2011 22:23:05 -0400",
"msg_from": "Stephen Frost <sfrost@snowman.net>",
"msg_... |
[
{
"msg_contents": "Hi.\n\nI think, it be useful to include in version() function a hexadecimal\nidentifier of commit, for fast checkout to it in git.\n\n-- \n------------\npasman\n",
"msg_date": "Fri, 28 Oct 2011 06:13:47 +0200",
"msg_from": "=?ISO-8859-2?Q?pasman_pasma=F1ski?= <pasman.p@gmail.com>",
... |
[
{
"msg_contents": "On my Fedora 14 box, make -j3 fails. I think the below is the\nrelevant portion of the output. This has a passing similarity to bug\n5665, but I can't for the life of me see what the problem is here.\nparer.o depends on preproc.h, which depends on preproc.c; therefore,\nparser.o should not ... |
[
{
"msg_contents": "in Section 13.2.3 of the 9.1 docs [1], the follow sentence fragment can be\nfound:\n\n\"using Serializable transactions will allow one transaction to commit and\nand will roll the other back\"\n\nNote the double \"and\" towards the end. (Is this the right list for this kind\nof report?)\n\n[1... |
[
{
"msg_contents": "I am interested in this item on the list and its exact meaning: \n(Under \"Data Types\")\n- Fix data types where equality comparison is not intuitive, e.g. box\n\nCan you elaborate on this item, I particularly fail to see what is non-intuitive about box comparisons (and I suppose other types ... |
[
{
"msg_contents": "The September commitfest has been drifting sideways for most of this\nmonth. I think it's about time to put it out of its misery, especially\nsince the next one is due to start in barely more than 2 weeks.\n\nThe remaining open items:\n\n* Allow encoding specific character incrementer\n\nThi... |
[
{
"msg_contents": "On Fri, Oct 28, 2011 at 10:33:45PM +0200, aperi2007 wrote:\n\n> Seem that postgis try to define it an else condition assigning it a\n> unknown \"geometry\" ?\n\nIt's PostgreSQL, not PostGIS.\n\nThe same happens with any type, can be reproduced with something like this:\n\n=# CREATE VIEW test1... |
[
{
"msg_contents": "In array_in(), I see the following code:\n\n my_extra->element_type = ~element_type;\n\nIt seems like it was explicitly changed from InvalidOid to\n~element_type. At first I thought it was a mistake, but then I thought\nmaybe it was to ensure that the next branch was taken even if\nelement_t... |
[
{
"msg_contents": "Would it be possible to remove of the double quotes in the daterange display of BC dates?\n\nselect '[0001-10-29 BC,2011-10-29)'::daterange;\n daterange\n------------------------------\n [\"0001-10-29 BC\",2011-10-29)\n(1 row)\n\n\nafter all, it's also:\n\nselect '0001-10-29 BC'::dat... |
[
{
"msg_contents": "Would y'all accept a patch that extended the \"SELECT *\" syntax to let\nyou list fields to exclude from the A_Star?\n\nQuite regularly I'll be testing queries via psql and want to see all\nthe columns from a fairly wide table except maybe a giant text or xml\ncolumn. A syntax like:\n\n ... |
[
{
"msg_contents": "Hi.\n\nI tested that make 3.82 - win32 version hasn't any new functionalities\nfor example .ONESHELL.\n\n-- \n------------\npasman\n",
"msg_date": "Sun, 30 Oct 2011 19:13:04 +0100",
"msg_from": "=?ISO-8859-2?Q?pasman_pasma=F1ski?= <pasman.p@gmail.com>",
"msg_from_op": true,
"m... |
[
{
"msg_contents": "I'd like to propose the attached patch, which initializes each\nPGPROC's myProcLocks just once at postmaster startup, rather than\nevery time the PGPROC is handed out to a backend. These lists should\nalways be emptied before a backend shuts down, so a newly initialized\nbackend will find th... |
[
{
"msg_contents": "We have a user interface which fetches and displays many small pieces of \ndistinct information from a PostgreSQL database.\n\n* fetches are simple lookups across a diverse set of tables,\n in response to events on another data source\n\n* uses PQsendQuery() on a non-blocking socket\n\nBut d... |
[
{
"msg_contents": "I just noticed a warning in pg_upgrade:\n \noption.c: In function *parseCommandLine*:\noption.c:96:8: warning: ignoring return value of *getcwd*,\ndeclared\nwith attribute warn_unused_result\n \nIt looks like it might be worth testing the return value here for\nNULL, which would indicate an e... |
[
{
"msg_contents": "So once again I forgot about the fact that you can specify multiple\nLDAP server in our ldapserver parameter (because both openldap and\nwinldap accept a space separated list).\n\nAny objections to just applying the attached docs patch?\n\n-- \n Magnus Hagander\n Me: http://www.hagander.net/\... |
[
{
"msg_contents": "My list of things to do included optimising\nGetRunningTransactionLocks(), run once per checkpoint.\n\nI was thinking I needed to try harder to avoid acquiring LWlocks on\nall the lock partitions.\n\nISTM that I don't need to do this - lwlocks on lock partitions are\nalmost never contended no... |
[
{
"msg_contents": "Hey all,\n\n So, I'm dealing with a a big ol' java app that has multiple roads on the\nway to <IDLE> in transaction. We can reproduce the problem in a test\nenvironment, but the lead dev always asks \"can you just tell me the last\nquery that it ran?\"\n\n So I wrote the attached patch, ... |
[
{
"msg_contents": "When a server fails, we need to promote a standby as quickly as possible.\n\nCurrently when we promote a standby to a primary we need to run a\nshutdown checkpoint before users can begin write transactions, which\nin many cases can take minutes.\n\nThe reason we run a shutdown checkpoint is t... |
[
{
"msg_contents": "On Fri, Oct 28, 2011 at 20:58, Robert Haas <robertmhaas@gmail.com> wrote:\n> I tried sprinkling a little branch-prediction magic on this code using\n> GCC's __builtin_expect(). That initially seemed to help, but once I\n> changed the BufferIsValid() test to !BufferIsInvalid() essentially all... |
[
{
"msg_contents": "On Thu, Oct 6, 2011 at 12:46 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:\n> Robert Haas <robertmhaas@gmail.com> writes:\n>> +1. However, if that's the route we're traveling down, I think we had\n>> better go ahead and remove the one remaining => operator from hstore\n>> in 9.2:\n>\n> Fair enough... |
[
{
"msg_contents": "I'm working on fixing the stale-toast-pointer problem discussed in\nhttp://archives.postgresql.org/message-id/2348.1319591170@sss.pgh.pa.us\n\nIn that thread, it was pointed out that it's unsafe to fetch a toasted\nvalue unless we are advertising a MyProc->xmin that's old enough to\nprevent r... |
[
{
"msg_contents": "Hackers,\n\nIs there a reason why INTERVAL 'infinity' is not implemented? That is,\nan interval which is larger than all defined intervals, and which added\nto any timestamp turns it into 'infinity'.\n\nOr is it just Round TUITs?\n\n-- \nJosh Berkus\nPostgreSQL Experts Inc.\nhttp://pgexperts... |
[
{
"msg_contents": "Patch removes stuff related to \"startup process\" and creates files\nunder src/$DIR/postmaster for this code.\n\nThis makes startup process look more like bgwriter, walwriter etc..\n\nOther refactoring patches to follow, chipping away at xlog.c.\n\n-- \n Simon Riggs http://... |
[
{
"msg_contents": "This patch adds checks of INSERT permission on new tables constructed\nby SELECT INTO or CREATE TABLE AS.\n\nIt does not change existing behavior except for tiny bit of cases when\na default privilege setting does not allow owner to insert tuples,\nbecause table's default acl allows everythin... |
[
{
"msg_contents": "Hi.\n\nIs possible to use Mingw Developer Studio to\ncompile parts of postgres (file_fdw) ?\n\nAnybody tried it ?\n\n\n------------\npasman\n",
"msg_date": "Wed, 2 Nov 2011 15:48:31 +0100",
"msg_from": "=?ISO-8859-2?Q?pasman_pasma=F1ski?= <pasman.p@gmail.com>",
"msg_from_op": true... |
[
{
"msg_contents": "Reduce checkpoints and WAL traffic on low activity database server\nPreviously, we skipped a checkpoint if no WAL had been written since\nlast checkpoint, though this does not appear in user documentation.\nAs of now, we skip a checkpoint until we have written at least one\nenough WAL to swit... |
[
{
"msg_contents": "Currently, the Startup process is responsible for running\nrestore_command. So when the Startup process is busy or waiting, then\nno new WAL files arrive.\n\nThat has these effects\n* Recovery must wait while the Startup process requests next WAL file.\nThis reduces performance of archive rec... |
[
{
"msg_contents": "The following comment - or at least the last sentence thereof -\nappears to be out of date.\n\n /*\n * XXX Should we update the FSM information of this page ?\n *\n * There are two schools of thought here. We may not want to update FSM\n * information so... |
[
{
"msg_contents": "Hi\nWe have pretty weird situation, which seems to be impossible, but perhaps you'll notice something that will let me fix the problem.\n\nSystem: SunOS 5.11 snv_130\nPg: PostgreSQL 8.4.7 on i386-pc-solaris2.11, compiled by cc: Sun C 5.10 SunOS_i386 2009/06/03, 64-bit\n\nIn there I have ... |
[
{
"msg_contents": "Hello,\nI'm using a GIN index for a text column on a big table. I use it to rank\nthe rows, but I also need to get the term positions for each document of a\nsubset of documents for one or more terms. I suppose these positions are stored\nin the index as the to_tsvector shows them : 'lexeme':... |
[
{
"msg_contents": "Patch strips out all user visible functions into a new xlogfuncs.c file.\n\n-- \n Simon Riggs http://www.2ndQuadrant.com/\n PostgreSQL Development, 24x7 Support, Training & Services",
"msg_date": "Thu, 3 Nov 2011 17:48:08 +0000",
"msg_from": "Simon Riggs <simon@2ndQu... |
[
{
"msg_contents": "Hello,\n\nAfter some rather extensive rewriting, I submit the patch to improve\nforeign key locks.\n\nTo recap, the point of this patch is to introduce a new lock tuple mode,\nthat lets the RI code obtain a lighter lock on tuples, which doesn't\nconflict with updates that do not modify the ke... |
[
{
"msg_contents": "Hi All,\n\nWhile working on some of the performance issues on HP-UX, I noticed a\nsignificant data cache misses for accessing PGPROC members. On a close\ninspection, it was quite evident that for large number (even few 10s)\nof clients, the loop inside GetSnapshotData will cause data cache mi... |
[
{
"msg_contents": "Next steps in refactoring are bigger steps, but not huge ones.\n\nI propose this\n\n* everything to do with XLOG rmgr into a file called xlogrmgr.c\nThats xlog_redo() and most everything to do with checkpoints\n\n* everything to do with reading WAL files into a file called xlogread.c\nThat wi... |
[
{
"msg_contents": "Hello PG hackers,\n\nI created a *custom dictionary* (based on dict_int) and a search\nconfiguration and a strange behavior happens on *PostgreSQL 8.4.9*.\n\nWhen I invoke the following instruction several times,*\nto_tsquery()*returns distinct results:\n\ncatalog=> SELECT to_tsquery('custom'... |
[
{
"msg_contents": "\nJust noticed that I broke the buildfarm with that isolationtester commit\nI did earlier today. I'm out for dinner now but I'll try to fix it\nwhen I'm back .. sorry.\n\n-- \nÁlvaro Herrera <alvherre@alvh.no-ip.org>\n",
"msg_date": "Thu, 03 Nov 2011 19:36:03 -0300",
"msg_from": "Al... |
[
{
"msg_contents": "Hackers,\n\nAndrew produced a version for this patch which builds against 9.0. I've\ntested that version on a production installation of PostgreSQL, including:\n\n* dumping and reloading a production database with over 200 objects,\n500GB of data and complex dependancies, 4 times so far\n* e... |
[
{
"msg_contents": "Hi.\n\nI'm working on transactiontime temporal support for postgresql 9.0.4. Each\noriginal table with transactiontime support has associated history table,\nwhere original row is stored before each update or delete operation on it.\nBoth original and history tables have internal timestamp co... |
[
{
"msg_contents": "Hello\n\nI found a interesting issue when I checked a tsearch prefix searching.\n\nWe use a ispell based dictionary\n\nCREATE TEXT SEARCH DICTIONARY cspell\n (template=ispell, dictfile = czech, afffile=czech, stopwords=czech);\nCREATE TEXT SEARCH CONFIGURATION cs (copy=english);\nALTER TEXT... |
[
{
"msg_contents": "This patch adds basic support of arrays in foreign keys, by allowing to \ndefine a referencing column as an array of elements having the same type \nas the referenced column in the referenced table.\nEvery NOT NULL element in the referencing array is matched against the \nreferenced table.\n\... |
[
{
"msg_contents": "The attached patch makes the \\d output for psql on a sequence show\nwhich table/column owns the sequence. The table already showed the\ndependency the other way through the default value, but going from\nsequence back to table was not possible.\n\nComments/reviews?\n\n-- \n Magnus Hagander\n... |
[
{
"msg_contents": "The attached patch adds a column for statistics target when viewing\ntables in psql using \\d+.\n\nComments/reivews?\n\n-- \n Magnus Hagander\n Me: http://www.hagander.net/\n Work: http://www.redpill-linpro.com/",
"msg_date": "Fri, 4 Nov 2011 14:34:05 +0100",
"msg_from": "Magnus Hagan... |
[
{
"msg_contents": "During the closing days of the 9.1 release, we had discussed that we\nshould add privileges on types (and domains), so that owners can prevent\nothers from using their types because that would prevent the owners from\nchanging them in certain ways. (Collations have similar issues and work\nq... |
[
{
"msg_contents": "We only build the language plpython2u or plpython3u, not both, in any\nbuild, but we always install the extension control files for all\nvariants. Is there a reason for this, or just an oversight?\n\n\n",
"msg_date": "Sat, 05 Nov 2011 16:42:55 +0200",
"msg_from": "Peter Eisentraut <p... |
[
{
"msg_contents": "Hi all,\n\nThe good news is that psql's backslash commands are becoming quite\nthorough at displaying all information which could conceivably be of\ninterest about an object. The bad news is, psql's backslash commands\noften produce a lot of noise and wasted output. (There was some\ngrumbling... |
[
{
"msg_contents": "Hi everyone,\n\nI propose a patch that would allow optional \"cleaning\" of queries\ntracked in pg_stat_statements, compressing the result and making it more\nreadable.\n\nThe default behavior is that when the same query is run with different\nparameter values, it's actually stored as two sep... |
[
{
"msg_contents": "Attached patch adds a new function to the pageinspect extension for \nmeasuring total free space, in either tables or indexes. It returns the \nfree space as a percentage, so higher numbers mean more bloat. After \ntrying a couple of ways to quantify it, I've found this particular \nmeasure... |
[
{
"msg_contents": "Hi pgsql-hackers,\n\nI am a long time user and fan of PostgreSQL and have built various\nprojects large and small on every major release since 6.5. Recently\nI decided to try doing something more with the source than just\ncompiling it, and spent some time 'constifying' some parts of the cod... |
[
{
"msg_contents": "G'day list.\n\nI've been messing around with the unaccent extension and I've noticed\nthat some of the characters listed in the unaccent.rules file aren't\nactually being unaccented on my system.\n\nHere are the system details and whatnot.\n\n- OSX 10.7.2\n\n- the server is compiled via macpo... |
[
{
"msg_contents": "hi,\n\nhow about making heap_form_tuple and its variants use smaller natts for\ntuples whose trailing columns are NULL? depending on the schema, it can\nsave considerable space.\nthe most of code are ready to deal with such tuples for ALTER TABLE ADD\nCOLUMN anyway. (except system catalogs?... |
[
{
"msg_contents": "I'm looking for known problem areas in btree_gist. I see:\n\nhttp://archives.postgresql.org/message-id/8973.1286841006@sss.pgh.pa.us\n\nWith Range Types, I'm anticipating that btree_gist will become more\nimportant, so I'd like to know what bugs are holding it back.\n\nSo, anything else come ... |
[
{
"msg_contents": "Hi,\nwhen I insert/update many rows at once using INSERT ... SELECT into a\ntable which has plenty of CHECK constraints, the error message that\nPostgres returns has no indication of which row failed the constraint\ncheck. The attached patch tries to provide information in a similar way\nto h... |
[
{
"msg_contents": "I've been looking into getting rid of the warnings pointed out by\n-Wcast-qual, which are mainly caused by casting away \"const\" qualifiers.\n(It also warns about casting away \"volatile\" qualifiers, and we have a\nnumber of those as well, but that's for another day.) I've gotten them\ndow... |
[
{
"msg_contents": "http://pastebin.com/RjiRjGZc\n\nthis is on fedora 12, gcc 4.6.1\n\n\n-- \nGJ\n",
"msg_date": "Mon, 7 Nov 2011 11:14:41 +0000",
"msg_from": "Gregg Jaskiewicz <gryzman@gmail.com>",
"msg_from_op": true,
"msg_subject": "git trunk doesn't build"
},
{
"msg_contents": "On 07.... |
[
{
"msg_contents": "Can I vote to the \"xslt_process need\" in the SQL/XML core of the PostgreSQL\n9.X ?\n\nCan I vote to the \"xslt_process need\" in the SQL/XML core of the PostgreSQL 9.X ?",
"msg_date": "Mon, 7 Nov 2011 11:20:08 -0200",
"msg_from": "Peter Padua Krauss <ppkrauss@gmail.com>",
"msg_f... |
[
{
"msg_contents": "I've long considered synchronous_commit=off to be one of our best\nperformance features. Certainly, it's not applicable in every\nsituation, but there are many applications where losing a second or so\nworth of transactions is an acceptable price to pay for not needing to\nwait for the disk ... |
[
{
"msg_contents": "I vote to see the contrib/xml2's xslt_process() build-in function (only\nxslt_process)\nmoved into PostgreSQL core.\n\n----\n\nDatabase servers can offer some \"load balancing\" with another CPUs, like a\nPHP server...\nI have in mind some main examples:\n\n* If database server not process XS... |
[
{
"msg_contents": "I've been playing with the attached patch, which adds an additional\nlight-weight lock mode, LW_SHARED2. LW_SHARED2 conflicts with\nLW_SHARED and LW_EXCLUSIVE, but not with itself. The patch changes\nProcArrayEndTransaction() to use this new mode. IOW, multiple\nprocesses can commit at the... |
[
{
"msg_contents": "Hi,\n\nI wanted to do some transformation on an inet value from\nan SPI-using function. The inet Datum passed from SPI_getbinval()\nto the values array in heap_form_tuple() obviously gives good data\nto the frontend. When I use DatumGetInetP() on the Datum,\nthe structure passed to me is corr... |
[
{
"msg_contents": "I ran into a performance problem described in this thread:\n\nhttp://archives.postgresql.org/pgsql-performance/2011-10/msg00249.php\ncontinued here:\nhttp://archives.postgresql.org/pgsql-performance/2011-11/msg00045.php\n\nOpenSSL compresses data by default, and that causes a\nperformance pen... |
[
{
"msg_contents": "Hi,\n\nAs proposed by Jan Wieck on hackers and discussed in Ottawa at the\nClusters Hackers Meeting, the most (only?) workable way to ever have DDL\ntriggers is to have \"command triggers\" instead.\n\nRather than talking about catalogs and the like, it's all about firing a\nregistered user-d... |
[
{
"msg_contents": "Hi!\n\nI ran into a problem with PG 9.1 and bug is observed even in master. After \nsimplifying a query (original was 9Kb long!) it's possible to reproduce it easily:\n\nCREATE TABLE wow (t1 text, t2 text);\nCREATE INDEX idx ON wow (t1,t2);\n\nSET enable_seqscan=off;\nSET enable_bitmapscan=of... |
[
{
"msg_contents": "Given the amount of fixes that went into the branch, and importance of them - when can we expect 9.1.2 to be released officially ?\n9.1.1 was stamped on 22nd of September. \n\n",
"msg_date": "Tue, 8 Nov 2011 19:46:44 +0000",
"msg_from": "Greg Jaskiewicz <gj@pointblue.com.pl>",
"ms... |
[
{
"msg_contents": "Hackers,\n\nI'd really like us to release an alpha version based on the finished\nCF2. There have been a number of major features added to PostgreSQL\nprior to this CF -- including Haas's performance improvements and range\ntypes -- which we really want at least some users to test early.\n\n... |
[
{
"msg_contents": "This is the time of year when the Wisconsin Courts formalize their\nannual plan for where people will be spending the bulk of their time\nin the coming year. Two years ago at this time, managers decided\nthat serializable transactions were a big enough issue to justify\nassigning about half ... |
[
{
"msg_contents": "Hi,\n\nI found the following error message misleading:\n\ntest=# create table cows2 (LIKE cows);\nERROR: inherited relation \"cows\" is not a table\nSTATEMENT: create table cows2 (LIKE cows);\n\nI'm not trying to inherit a relation, I'm trying to base a table on\nit. As it happens, \"cows\... |
[
{
"msg_contents": "In COPY, insert tuples to the heap in batches.\n\nThis greatly reduces the WAL volume, especially when the table is narrow.\nThe overhead of locking the heap page is also reduced. Reduced WAL traffic\nalso makes it scale a lot better, if you run multiple COPY processes at\nthe same time.\n\nB... |
[
{
"msg_contents": "Hi,\n\nConsider the following sequence of events:\n\ns1 #> CREATE SCHEMA test_schema;\n\ns1 #> CREATE TABLE test_schema.c1(x int);\n\nNow open another session s2 and via gdb issue a breakpoint on\nheap_create_with_catalog() which is called by DefineRelation().\n\ns2 #> CREATE TABLE test_schem... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.