threads listlengths 1 2.99k |
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[
{
"msg_contents": "After my recent commit d207038053837ae9365df2776371632387f6f655,\nsidewinder is failing with error \"insufficient file descriptors ..\" in\ntest 006_logical_decoding.pl [1]. The detailed failure displays\nmessages as below:\n\n006_logical_decoding_master.log\n2020-01-02 19:51:05.567 CET [261... |
[
{
"msg_contents": "Is it possible to tell what component of the cost estimate of an index scan is\nfrom the index reads vs heap ?\n\nIt would help to be able to set enable_bitmapscan=FORCE (to make all index\nscans go through a bitmap). Adding OR conditions can sometimes do this. That\nincludes cost of bitmap... |
[
{
"msg_contents": "On Sun, Feb 17, 2019 at 11:29:56AM -0500, Jeff Janes wrote:\nhttps://www.postgresql.org/message-id/CAMkU%3D1zBJNVo2DGYBgLJqpu8fyjCE_ys%2Bmsr6pOEoiwA7y5jrA%40mail.gmail.com\n> What would I find very useful is [...] if the HashAggregate node under\n> \"explain analyze\" would report memory and ... |
[
{
"msg_contents": "This is a new bug in PG12. When you have a database with an OID above \nINT32_MAX (signed), then pg_basebackup fails thus:\n\npg_basebackup: error: could not get write-ahead log end position from \nserver: ERROR: value \"3000000000\" is out of range for type integer\n\nThe cause appears to ... |
[
{
"msg_contents": "ALTER TABLE ... SET STORAGE does not propagate to indexes, even though \nindexes created afterwards get the new storage setting. So depending on \nthe order of commands, you can get inconsistent storage settings between \nindexes and tables. For example:\n\ncreate table foo1 (a text);\nalte... |
[
{
"msg_contents": "Greetings -hackers,\n\nGoogle Summer of Code is back for 2020! They have a similar set of\nrequirements, expectations, and timeline as last year.\n\nNow is the time to be working to get together a set of projects we'd\nlike to have GSoC students work on over the summer. Similar to last\nyea... |
[
{
"msg_contents": "Hello,\n\nWhen I tried to repack my bloated table an error occurred:\n\nFATAL: terminating connection due to idle-in-transaction timeout\nERROR: query failed: SSL connection has been closed unexpectedly\nDETAIL: query was: SAVEPOINT repack_sp1\n\nand this error is occurring in large tables on... |
[
{
"msg_contents": "I have a test where a user creates a temp table and then disconnect,\nconcurrently we try to do DROP OWNED BY CASCADE on the same user. Seems\nthis causes race condition between temptable deletion during disconnection\n(@RemoveTempRelations(myTempNamespace)) and DROP OWNED BY CASCADE operatio... |
[
{
"msg_contents": "Hi,\nI am getting a server crash on publication server on HEAD for the below\ntest case.\n\nCommit: b9c130a1fdf16cd99afb390c186d19acaea7d132\n\nData setup:\nPublication server:\nwal_level = logical\nmax_wal_senders = 10\nmax_replication_slots = 15\nwal_log_hints = on\nhot_standby_feedback = o... |
[
{
"msg_contents": "Hello, I wanted some guidance/suggestions about creating an spgist\nextension. For context, i am a grad student doing research that involves\ncomparing the performance of different indexes for spatial data. We've\nbuilt a system that uses Postgres and one of the data structures we want to\nus... |
[
{
"msg_contents": "Hi hackers,\n\nI noticed to my annoyance that 'make -j4 -C src/interfaces/libpq'\ndoesn't work in a clean checkout, because it can't find\nlibpgcommon_shlib and libpgport_shlib. It looks like that's because the\nsubmake-libpgport dependency is declared on the all-lib target, not on\nthe shli... |
[
{
"msg_contents": "I spent some time studying the question of how we classify queries as\neither read-only or not, and our various definitions of read-only, and\nfound some bugs. Specifically:\n\n1. check_xact_readonly() prohibits most kinds of DDL in read-only\ntransactions, but a bunch of recently-added comma... |
[
{
"msg_contents": "Allow 'sslkey' and 'sslcert' in postgres_fdw user mappings\n\nThis allows different users to authenticate with different certificates.\n\nAuthor: Craig Ringer\n\nBranch\n------\nmaster\n\nDetails\n-------\nhttps://git.postgresql.org/pg/commitdiff/f5fd995a1a24e6571d26b1e29c4dc179112b1003\n\nMo... |
[
{
"msg_contents": "Hi all,\r\n\r\nAttached is a patch to resolve parallel hash join performance issue. This is my first time to contribute patch to PostgreSQL community, I referred one of previous thread as template to report the issue and patch. Please let me know if need more information of the problem and pa... |
[
{
"msg_contents": "Hi, we have trouble to detect true root corruptions on replicas. I made a patch for resolving it with the locking meta page and potential root page. I heard that amcheck has an invariant about locking no more than 1 page at a moment for avoiding deadlocks. Is there possible a deadlock situati... |
[
{
"msg_contents": "Hi folks,\n\nwith 12.1, after a couple of queries, at a random place, the clientlib\ndoes produce a failed query without giving reason or error-message [1].\nThen when retrying, the clientlib switches off signal handling and\nsits inactive in memory (needs kill -9).\n\nThe server log shows no... |
[
{
"msg_contents": "A customer of ours complained that if you have an inactive primary,\nmonitoring the apply lag on a standby reports monotonically increasing\nlag. The reason for this is that the apply lag is only updated on\nCOMMIT records, which of course don't occur in inactive servers.\nBut CHECKPOINT rec... |
[
{
"msg_contents": "I was using COPY recently and was wondering why BINARY format is not much\n(if any) faster than the default format. Once I switched from mostly\nexporting ints to mostly exporting double precisions (7e6 rows of 100\ncolumns, randomly generated), it was faster, but not by as much as I\nintuit... |
[
{
"msg_contents": "While reading the code for heapam.c:heap_multi_insert I happened upon this\ncomment which I'm either too thick for, or it lacks a word or two:\n\n * ..\n * A check here does not definitively prevent a serialization anomaly;\n * that check MUST be done at least past the point of ac... |
[
{
"msg_contents": "This diff fixes what I consider a typo.\n\n-- \nAntonin Houska\nWeb: https://www.cybertec-postgresql.com",
"msg_date": "Mon, 13 Jan 2020 08:22:13 +0100",
"msg_from": "Antonin Houska <ah@cybertec.at>",
"msg_from_op": true,
"msg_subject": "Comment fix in session.h"
},
{
... |
[
{
"msg_contents": "During one of my works for logical rewrite, I want to check if the expr is\na given Expr.\n\nso the simplest way is:\nif (expr->opno == 418 && nodeTag(linitial(expr->args)) == T_xxx &&\nnodeTag(lsecond(expr->args)) == T_yyyy )\n{\n ..\n}\n\nif we write code like above, we may have issues i... |
[
{
"msg_contents": "Hi hackers,\n\nI want to propose to you an old patch for Postgres 11, off-site developed\nby Oliver Ford,\nbut I have permission from him to publish it and to continue it's\ndevelopment,\nthat allow distinct aggregates, like select sum(distinct nums) within a\nwindow function.\n\nI have rebas... |
[
{
"msg_contents": "Hi all,\n\nWhile reviewing some code in namespace.c, I have bumped into the\nfollowing issue introduced by 246a6c8:\ndiff --git a/src/backend/catalog/namespace.c\nb/src/backend/catalog/namespace.c\nindex c82f9fc4b5..e70243a008 100644\n--- a/src/backend/catalog/namespace.c\n+++ b/src/backend/c... |
[
{
"msg_contents": "Hi,\n\nNow that I've committed [1] which allows us to use multiple extended\nstatistics per table, I'd like to start a thread discussing a couple of\nadditional improvements for extended statistics. I've considered\nstarting a separate patch for each, but that would be messy as those\nchanges... |
[
{
"msg_contents": "I threatened to do this in another thread [1], so here it is.\n\nThis patch removes the restriction that the server encoding must\nbe UTF-8 in order to write any Unicode escape with a value outside\nthe ASCII range. Instead, we'll allow the notation and convert to\nthe server encoding if tha... |
[
{
"msg_contents": "Hi all,\n(Daniel G. in CC.)\n\nAs discussed on the thread to be able to set the min/max SSL protocols\nwith libpq, when mixing incorrect bounds the user experience is not\nthat good: \nhttps://www.postgresql.org/message-id/9CFA34EE-F670-419D-B92C-CB7943A27573@yesql.se\n\nIt happens that the e... |
[
{
"msg_contents": "Hello\r\n\r\nI have tested the patch with a partition table with several foreign\r\npartitions living on seperate data nodes. The initial testing was done\r\nwith a partition table having 3 foreign partitions, test was done with\r\nvariety of scale facters. The seonnd test was with fixed data... |
[
{
"msg_contents": "walreceiver uses a temporary replication slot by default\n\nIf no permanent replication slot is configured using\nprimary_slot_name, the walreceiver now creates and uses a temporary\nreplication slot. A new setting wal_receiver_create_temp_slot can be\nused to disable this behavior, for exam... |
[
{
"msg_contents": "Hi hackers,\n\nRight now changing policies (create/alter policy statements) requires \nexclusive lock of target table:\n\n /* Get id of table. Also handles permissions checks. */\n table_id = RangeVarGetRelidExtended(stmt->table, AccessExclusiveLock,\n ... |
[
{
"msg_contents": "Folks,\n\nThe recent patch for distinct windowing aggregates contained a partial\nfix of the FIXME that didn't seem entirely right, so I extracted that\npart, changed it to use compiler intrinsics, and submit it here.\n\nBest,\nDavid.\n-- \nDavid Fetter <david(at)fetter(dot)org> http://fetter... |
[
{
"msg_contents": "I just ran pgindent over some patch, and noticed that this hunk ended up\nin my working tree:\n\ndiff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c\nindex 861a9148ed..fff54062b0 100644\n--- a/src/backend/statistics/extended_stats.c\n+++ b/src/backen... |
[
{
"msg_contents": "Hello hackers,\n\nI want to add the feature to erase data so that it cannot be restored \nbecause it prevents attackers from stealing data from released data area.\n\n- Background\nInternational security policies require that above threat is taken measures.\nIt is \"Base Protection Profile fo... |
[
{
"msg_contents": "Hi all,\n\nI reviewed the latest version of the patch. Overall some good improvements I think. Please find my feedback below.\n\n- I think I mentioned this before - it's not that big of a deal, but it just looks weird and inconsistent to me:\ncreate table t2 as (select a, b, c, 10 d from gene... |
[
{
"msg_contents": "Hi,\n\nI think it's probably not relevant, but it confused me for a moment\nthat RelationBuildTupleDesc() might set constr->has_generated_stored to\ntrue, but then throw away the constraint at the end, because nothing\nmatches the\n\t/*\n\t * Set up constraint/default info\n\t */\n\tif (has_n... |
[
{
"msg_contents": "The discussion on the backup manifest thread has gotten bogged down on\nthe issue of the format that should be used to store the backup\nmanifest file. I want something simple and ad-hoc; David Steele and\nStephen Frost prefer JSON. That is problematic because our JSON parser\ndoes not work i... |
[
{
"msg_contents": "There are some outstanding questions about how B-Tree deduplication\n[1] should be configured, and whether or not it should be enabled by\ndefault. I'm starting this new thread in the hopes of generating\ndiscussion on these high level questions.\n\nThe commit message of the latest version of... |
[
{
"msg_contents": "Hi Tomas,\n\nI just noticed that having a slab context around in an assertion build\nleads to performance degrading and memory usage going up. A bit of\npoking revealed that SlabCheck() doesn't free the freechunks it\nallocates.\n\nIt's on its own obviously trivial to fix.\n\nBut there's also... |
[
{
"msg_contents": "Hello,\n\ndefault constructor for ranges use lower bound closed '[' and upper bound \nopen ')'. This is correct behavior, but when upper bound is same like \nlower bound then range is empty. Mathematically is correct again - but in \ndatabase is lost information about range bounds (lower/uppe... |
[
{
"msg_contents": "Hello, hackers.\n\nCurrently hint bits in the index pages (dead tuples) are set and taken\ninto account only at primary server. Standby just ignores it. It is\ndone for reasons, of course (see RelationGetIndexScan and [1]):\n\n * We do this because the xmin on the primary node could ea... |
[
{
"msg_contents": "Hi hackers,\n\nI find the build_regexp_split_result() has redundant codes, we can move it to before the condition check, can we?\n\nBest regards.\n\nJapin Li",
"msg_date": "Thu, 16 Jan 2020 15:18:43 +0000",
"msg_from": "Li Japin <japinli@hotmail.com>",
"msg_from_op": true,
"ms... |
[
{
"msg_contents": "The following bug has been logged on the website:\n\nBug reference: 16213\nLogged by: Matt Jibson\nEmail address: matt.jibson@gmail.com\nPostgreSQL version: 11.5\nOperating system: linux\nDescription: \n\nSELECT\r\n *\r\nFROM\r\n (\r\n SELECT\r\n ... |
[
{
"msg_contents": "Hi\n\nStandby does not start walreceiver process until startup process\nfinishes WAL replay. The more WAL there is to replay, longer is the\ndelay in starting streaming replication. If replication connection is\ntemporarily disconnected, this delay becomes a major problem and we\nare propos... |
[
{
"msg_contents": "Hello,\nwould it be possible to add PGDLLIMPORT to permit to build following\nextensions on windows\n\npg_stat_sql_plans:\nsrc/include/pgstat.h\nextern PGDLLIMPORT bool pgstat_track_activities;\n\npg_background:\nsrc/include/storage/proc.h\nextern PGDLLIMPORT int\tStatementTimeout;\n\nThanks ... |
[
{
"msg_contents": "Folks,\n\nWhile going over places where I might use compiler intrinsics for\nthings like ceil(log2(n))) and next power of 2(n), I noticed that a\nlot of things that can't be fractional are longs instead of, say,\nuint64s. Is this the case for historical reasons, or is there some\nmore specifi... |
[
{
"msg_contents": "Hello,\nafter building devel snapshot from 2020-01-17 with msys,\ninitDB generates a lot of additional informations when launched:\n\nVERSION=13devel\nPGDATA=../data\nshare_path=C:/msys64/usr/local/pgsql/share\nPGPATH=C:/msys64/usr/local/pgsql/bin\nPOSTGRES_SUPERUSERNAME=lemoyp\nPOSTGRES_BKI=... |
[
{
"msg_contents": "One of our PG12 instances was in crash recovery for an embarassingly long time\nafter hitting ENOSPC. (Note, I first started wroting this mail 10 months ago\nwhile running PG11 after having same experience after OOM). Running linux.\n\nAs I understand, the first thing that happens syncing e... |
[
{
"msg_contents": "Hi,\n\nOne of the stats I occasionally wanted to know are stats for the SLRU\nstats (we have couple of those - clog, subtrans, ...). So here is a WIP\nversion of a patch adding that.\n\nThe implementation is fairly simple - the slru code updates counters in\nlocal memory, and then sends them ... |
[
{
"msg_contents": "Hi, greetings everyone.\n\nContinuing the process of improving windows port, I'm trying to fix some\nleaks.\n\nbest regards,\nRanier Vilela",
"msg_date": "Sun, 19 Jan 2020 17:49:08 -0300",
"msg_from": "Ranier Vilela <ranier.vf@gmail.com>",
"msg_from_op": true,
"msg_subject": "... |
[
{
"msg_contents": "Hi,\nPossible copy and past error, found in numeric.c.\nI believe I believe that the author's intention was to return const_zero.\n\nregards,\nRanier Vilela",
"msg_date": "Sun, 19 Jan 2020 20:11:56 -0300",
"msg_from": "Ranier Vilela <ranier.vf@gmail.com>",
"msg_from_op": true,
... |
[
{
"msg_contents": "Hi,\nTwo possible race condition found.\n1. src\\backend\\port\\win32\\signal.c (line 82)\nThe var \"pg_signal_queue\", is accessed eleswhere with lock.\n\n2. src\\backend\\postmaster\\syslogger.c\nThe var \"rotation_requested\" is accessed elsewhere with lock.\n\nregards,\nRanier Vilela",
... |
[
{
"msg_contents": "Hi Hackers:\n\n\n\nThis is a patch for unique elimination rewrite for distinct query.\n\nit will cost much for a big result set and some times it is not\n\nnecessary. The basic idea is the unique node like in the following\n\ncan be eliminated.\n\n\n1. select distinct pk, ... from t;\n\n2. se... |
[
{
"msg_contents": "Hi Team,\n\nIm looking for the roadmap of the feature - master-mater replication.\n\nIn Postgresql-10, Bi-Directional replication (BDR3) has been embedded in it.\n\nAre there any plans to have built-in master-master replications in future\nversions of Postgresql 13 (or) 14 ?\n\n\nThanks,\n\n... |
[
{
"msg_contents": "",
"msg_date": "Mon, 20 Jan 2020 14:11:05 +0900",
"msg_from": "=?UTF-8?B?6rmA64yA7Zi4?= <daiho1.kim@samsung.com>",
"msg_from_op": true,
"msg_subject": "Add limit option to copy function"
},
{
"msg_contents": "=?UTF-8?B?6rmA64yA7Zi4?= <daiho1.kim@samsung.com> writes:\n>... |
[
{
"msg_contents": "Fix crash in BRIN inclusion op functions, due to missing datum copy.\n\nThe BRIN add_value() and union() functions need to make a longer-lived\ncopy of the argument, if they want to store it in the BrinValues struct\nalso passed as argument. The functions for the \"inclusion operator\nclasses... |
[
{
"msg_contents": "Folks,\n\nAt least two cloud providers are now stuffing large amounts of\ninformation into the password field. This change makes it possible to\naccommodate that usage in interactive sessions.\n\nBest,\nDavid.\n-- \nDavid Fetter <david(at)fetter(dot)org> http://fetter.org/\nPhone: +1 415 235 ... |
[
{
"msg_contents": "Debian reports that libxml2 is dropping the xml2-config binary:\n\nDate: Mon, 20 Jan 2020 20:42:47 +0100\nFrom: Mattia Rizzolo <mattia@debian.org>\nReply-To: Mattia Rizzolo <mattia@debian.org>, 949428@bugs.debian.org\nSubject: Bug#949428: postgresql-12: FTBFS with libxml2 2.9.10 (uses xml2-co... |
[
{
"msg_contents": "Hi,\n\nFound out today that BRIN indexes don't really work for PostGIS and box\ndatatypes.\n\nSince\nhttps://github.com/postgres/postgres/commit/7e534adcdc70866e7be74d626b0ed067c890a251\nPostgres\nrequires datatype to provide correlation statistics. Such statistics wasn't\nprovided by PostGIS... |
[
{
"msg_contents": "Hi,\n\nHere are some patches to get rid of frequent system calls.\n\n0001 changes all qualifying WaitLatch() calls to use a new function\nWaitMyLatch() that reuses a common WaitEventSet. That's for callers\nthat only want to wait for their own latch or an optional timeout,\nwith automatic ex... |
[
{
"msg_contents": "In TODO wiki:\nhttps://wiki.postgresql.org/wiki/TODO\n\n- Allow a stalled COPY to exit if the backend is terminated\n\n Re: possible bug not in open items\n https://www.postgresql.org/message-id/flat/200904091648.n39GmMJ07139%40momjian.us#d86f9ba37b4b34d3931c7152a028fe45\n\nHasn't this ... |
[
{
"msg_contents": "Hi,\n\nWhen I was researching the maximum length of password in PostgreSQL\nto answer the question from my customer, I found that there are two\nminor issues in .pgpass file.\n\n(1) If the length of a line in .pgpass file is larger than 319B,\n libpq silently treats each 319B in the li... |
[
{
"msg_contents": "Hi,\n\nWe're about 10 days from the end of the 2020-01 CF. The current status\nof the CF is this:\n\n - Needs review: 118\n - Waiting on Author: 42\n - Ready for Committer: 10\n - Committed: 36\n - Moved to next CF: 3\n - Returned with Feedback: 1\n - Rejected: 3\n - Withdrawn: 2\n\nA... |
[
{
"msg_contents": "Hi hackers,\r\n\r\nI've attached a patch for a couple of new options for VACUUM:\r\nMAIN_RELATION_CLEANUP and SECONDARY_RELATION_CLEANUP. The motive\r\nbehind these options is to allow table owners to easily vacuum only\r\nthe TOAST table or only the main relation. This is especially useful... |
[
{
"msg_contents": "On Mon, Jan 06, 2020 at 04:33:46AM +0000, Simon Riggs wrote:\n> On Mon, 6 Jan 2020 at 04:13, Justin Pryzby <pryzby@telsasoft.com> wrote:\n> > > I agree with the sentiment of the third doc change, but your patch removes\n> > > the mention of n_distinct, which isn't appropriate.\n> >\n> > I thi... |
[
{
"msg_contents": "Hello Everyone,\n\nI have been thinking about the orphaned prepared transaction problem in\nPostgreSQL and pondering on ways for handling it.\n\nA prepared transaction can be left unfinished (neither committed nor\nrollbacked) if the client has disappeared. It can happen for various\nreasons ... |
[
{
"msg_contents": "Referencing the example given in the documentation for index-only\nscans [0], we consider an index:\n\nCREATE INDEX tab_f_x ON tab (f(x));\n\nThis index currently will not be used for an index-scan for the\nfollowing query since the planner isn't smart enough to know that \"x\"\nis not needed... |
[
{
"msg_contents": "Dear PgSQL-Hackers,\n\nI would like to propose a new feature which is missing in PgSQL but quite useful and nice to have (and exists in Oracle and probably in some other RDBMS), I speak about \"Database Level\" triggers: BeforePgStart, AfterPgStarted, OnLogin, OnSuccessfulLogin, BeforePGshutd... |
[
{
"msg_contents": "Hi all,\nWhile reviewing one patch, I found that if we give any non-integer string\nto atoi (say aa), then it is returning zero(0) as output so we are not\ngiving any error(assuming 0 as valid argument) and continuing our\noperations.\n\nEx:\nLet say, we gave \"-P aa\" (patch is in review[1])... |
[
{
"msg_contents": "Greetings,\n\nEnclosed find a documentation patch that clarifies the behavior of ALTER SUBSCRIPTION … REFRESH PUBLICATION with new tables; I ran into a situation today where the docs were not clear that existing tables would not be re-copied, so remedying this situation.\n\nShould apply back ... |
[
{
"msg_contents": "I happened to notice this comment in the logic in\nATAddForeignKeyConstraint that tries to decide if it can skip\nrevalidating a foreign-key constraint after a DDL change:\n\n * Since we require that all collations share the same notion of\n * equality (which they do, ... |
[
{
"msg_contents": "Hi, first patch here and first post to pgsql-hackers. Here goes.\n\nEnclosed please find a patch to tweak the documentation of the ALTER TABLE\npage. I believe this patch is ready to be applied to master and backported\nall the way to 9.2.\n\nOn the ALTER TABLE page, it currently notes that i... |
[
{
"msg_contents": "Dear hackers,\n\nI propose \"non-volatile WAL buffer,\" a proof-of-concept new feature. It\nenables WAL records to be durable without output to WAL segment files by\nresiding on persistent memory (PMEM) instead of DRAM. It improves database\nperformance by reducing copies of WAL and shorten... |
[
{
"msg_contents": "hi there\n\nI am a database developer with 10+ years industry experience. I want to\nmake contribution to Postgres and look for some work items to start with.\nLooking at the TODO list, I am not sure what to start with? Any suggestions?\n\nThanks,\nXiang\n\nhi thereI am a database developer w... |
[
{
"msg_contents": "Hi,\n\nCurrently pg_stat_bgwriter.buffers_backend is pretty useless to gauge\nwhether backends are doing writes they shouldn't do. That's because it\ncounts things that are either unavoidably or unlikely doable by other\nparts of the system (checkpointer, bgwriter).\n\nIn particular extending... |
[
{
"msg_contents": "Hi,\nThere are 3 tiny improvements to xlog.c code:\n\n1. At function StartupXLOG (line 6370), the second test if\n(ArchiveRecoveryRequested) is redundant and can secure removed.\n2. At function StartupXLOG (line 7254) the var switchedTLI already been\ntested before and the second test can sec... |
[
{
"msg_contents": "On 1/24/20, 1:32 PM, \"Bossart, Nathan\" <bossartn@amazon.com> wrote:\r\n>>> I chose to disallow disabling both *_RELATION_CLEANUP options\r\n>>> together, as this would essentially cause the VACUUM command to take\r\n>>> no action.\r\n>>\r\n>> My first reaction is why? Agreed that it is a b... |
[
{
"msg_contents": "Hi,\n\nSometimes I set RELSEG_SIZE to 1, as a way to get the various in-tree\ntests to give the relation segment code a good workout. That's\noutside the range that configure --with-segsize would allow and\ntherefore not really a supported size (it's set in GB), but it's very\nuseful for giv... |
[
{
"msg_contents": "I cannot ever think of a time when I don't want to know if I'm in a\ntransaction or not (and what its state is). Every new setup I do, I add\n%x to the psql prompt.\n\nI think it should be part of the default prompt. Path attached.\n-- \nVik Fearing",
"msg_date": "Sun, 26 Jan 2020 13:29... |
[
{
"msg_contents": "I'm forking this thread since it's separate topic, and since keeping in a\nsingle branch hasn't made maintaining the patches any easier.\nhttps://www.postgresql.org/message-id/CAMkU%3D1xAyWnwnLGORBOD%3Dpyv%3DccEkDi%3DwKeyhwF%3DgtB7QxLBwQ%40mail.gmail.com\nOn Sun, Dec 29, 2019 at 01:15:24PM -0... |
[
{
"msg_contents": "I believe that the design intention for EXPLAIN's non-text output\nformats is that a given field should appear, or not, depending solely\non the plan shape, EXPLAIN options, and possibly GUC settings.\nIt's not okay to suppress a field just because it's empty or zero or\notherwise uninteresti... |
[
{
"msg_contents": "Andres and I discussed bottlenecks in the nbtree code during the\nrecent PgDay SF community event. Andres observed that the call to\nBTreeTupleGetNAtts() in _bt_compare() can become somewhat of a\nbottleneck. I came up with the very simple attached POC-quality\npatches, which Andres tested an... |
[
{
"msg_contents": "Hi, I noticed that since PostgreSQL 12, Tid scan increments value of\npg_stat_all_tables.seq_scan. (but not seq_tup_read)\n\nThe following is an example.\n\nCREATE TABLE t (c int);\nINSERT INTO t SELECT 1;\nSET enable_seqscan to off;\n\n(v12 -)\n=# EXPLAIN ANALYZE SELECT * FROM t WHERE ctid =... |
[
{
"msg_contents": "Hi,\n\nRecent developments on the \"backup manifest\" thread and others have\ncaused me to take an interest in making more code that has\nhistorically been backend-only accessible in frontend environments\nalso. I'm pretty sure I'm not alone in having often wished for more\nbackend-only facil... |
[
{
"msg_contents": "I see that buildfarm member caiman is generating a warning [1]:\n\njsonb_plpython.c: In function \\xe2\\x80\\x98PLyObject_ToJsonbValue\\xe2\\x80\\x99:\ncc1: warning: function may return address of local variable [-Wreturn-local-addr]\njsonb_plpython.c:413:13: note: declared here\n 413 | Jso... |
[
{
"msg_contents": "Hello,\n\nI noticed MemoryContextIsValid() called by various kinds of memory context\nroutines checks its node-tag as follows:\n\n#define MemoryContextIsValid(context) \\\n ((context) != NULL && \\\n (IsA((context), AllocSetContext) || \\\n IsA((context), SlabContext) || \\\n ... |
[
{
"msg_contents": "Hi all,\n\nI was reviewing the libpq code for the recent SSL protocol patch, and\nnoticed two mistakes with dispsize for the following parameters:\n- channel_binding should be at 8, the largest value being \"require\".\n- gssencmode should be at 8.\n\nIn those cases the zero-terminator was fo... |
[
{
"msg_contents": "Hi all,\n\nAs mentioned on the thread dealing with concurrent indexing for\ntemporary relations, it sounds like a good thing to make the code more\ndefensive if attempting to do a REINDEX CONCURRENTLY with a backend\nstill holding references to the indexes worked on:\nhttps://www.postgresql.o... |
[
{
"msg_contents": "Hello.\n\nWhile rebasing a patch, I found that after the commit 38a957316d\n(Sorry for overlooking that.), ReadRecord sets randAccess reverse\nway. That is, it sets randAccess to false just after a XLogBeginRead()\ncall. The attached fixes that.\n\nregards.\n\n-- \nKyotaro Horiguchi\nNTT Open... |
[
{
"msg_contents": "I made these casual comments. If there's any agreement on their merit, it'd be\nnice to implement at least the first for v13.\n\nIn <20190818193533.GL11185@telsasoft.com>, I wrote: \n> . What do you think about pg_restore --no-tableam; similar to \n> --no-tablespaces, it would allow rest... |
[
{
"msg_contents": "Hi!\n\nPostgreSQL does not accept the following standard conforming statement:\n\n VALUES ROW(1,2), ROW(3,4)\n\nThere is a comment about this in the source code [0]:\n\n/*\n* We should allow ROW '(' expr_list ')' too, but that seems to require\n* making VALUES a fully reserved word, which w... |
[
{
"msg_contents": "\r\n> \r\n> I could do some tests with the patch on some larger machines. What exact\r\n> tests do you propose? Are there some specific postgresql.conf settings and\r\n> pgbench initialization you recommend for this? And was the test above just\r\n> running 'pgbench -S' select-only with speci... |
[
{
"msg_contents": "Hello,\n\nI am interested in contributing source code changes for psqlODBC.\nThese changes cover (trivial) omissions, corrections, and potential \nenhancements.\n\nHow do I go about this? Is there a specific-mailing list (other than \nthis one) for that purpose?\nOr is there some othe... |
[
{
"msg_contents": "While reviewing the partition-wise join patch, I ran into an issue that exists in master, so rather than responding to that patch, I’m starting this new thread.\n\nI noticed that this seems similar to the problem that was supposed to have been fixed in the \"Re: COLLATE: Hash partition vs UPD... |
[
{
"msg_contents": "This line\nhttps://github.com/postgres/postgres/blob/30012a04a6c8127397a8ab71e160d9c7e7fbe874/src/interfaces/libpq/fe-exec.c#L1073\ntriggers data race errors when run under ThreadSanitizer (*)\n\nAs far as I can tell, the static variable in question is a hack to allow a\ncouple of deprecated ... |
[
{
"msg_contents": "Hi,\n\npg_basebackup reports the backup progress if --progress option is specified,\nand we can monitor it in the client side. I think that it's useful if we can\nmonitor the progress information also in the server side because, for example,\nwe can easily check that by using SQL. So I'd like... |
[
{
"msg_contents": "Now that we're just about there on the patch to invent trusted\nextensions [1], I'd like to start a discussion about whether to mark\nanything besides the trusted PLs as trusted. I think generally\nwe ought to mark contrib modules as trusted if it's sane to do so;\nthere's not much point in ... |
[
{
"msg_contents": "Some ereport calls have excess sets of parentheses. patch 0001 removes\nthe ones I found in a very quick grep.\n\n0002 removes newlines immediately following parens. These were\npreviously useful because pgindent would move arguments further to the\nleft so that the line would fit under 80 ... |
[
{
"msg_contents": "Hi\n\nWe encountered an unfortunate case of $SUBJECT the other day where it\nwould have been preferable to catch the error before rather than after\npg_basebackup ran.\n\nI can't think of any practical reason why pg_basebackup would ever need to\nbe run as root; we disallow that for initdb, p... |
[
{
"msg_contents": "Hello,\n\nCreateParallelContext() can return a context with seg == NULL. That\ncauses CREATE INDEX to segfault. Instead, it should fall back to\nnon-parallel build. See attached.\n\nThis probably explains a segfault reported over on pgsql-general[1].\n\n[1] https://www.postgresql.org/messa... |
[
{
"msg_contents": "Hello,\n\nAs reported over on pgsql-general[1], we leak shared memory when we\nrun out of DSM slots. To see this, add the random-run-out-of-slots\nhack I showed in that thread, create and analyze a table t(i) with a\nmillion integers, run with dynamic_shared_memory_type=mmap, and try\nSELECT... |
[
{
"msg_contents": "Hello\n\nCurrently during point-in-time recovery with recovery_target_action = 'pause' we print log lines:\n\n> LOG: recovery has paused\n> HINT: Execute pg_wal_replay_resume() to continue.\n\nMy colleague told me that this is a terrible moment: to continue what exactly? It sounds like \"to c... |
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