threads listlengths 1 2.99k |
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[
{
"msg_contents": "Hi hackers,\n\nInspired by Andre's works, I put efforts to try to improve\nGetSnapShotData().\nI think that I got something.\n\nAs is well known GetSnapShotData() is a critical function for Postgres\nperformance, already demonstrated in other benchmarks.\nSo any gain, no matter how small, mak... |
[
{
"msg_contents": "Hi,\nPlease see attached for enhancement to COPY command progress.\n\nThe added status column would allow users to get the status of the most\nrecent COPY command.\n\nBelow is sample output.\n\nThanks\n\nyugabyte=# SELECT relid::regclass, command, status,\nyugabyte-# type, bytes_pro... |
[
{
"msg_contents": "Hi,\n\n AT_EnableTrig, /* ENABLE TRIGGER name */\n+ AT_EnableTrigRecurse, /* internal to commands/tablecmds.c */\n AT_EnableAlwaysTrig, /* ENABLE ALWAYS TRIGGER name */\n+ AT_EnableAlwaysTrigRecurse, /* internal to commands/tablecmds.c */\n\nIs it better to... |
[
{
"msg_contents": "In postgresql.conf.sample, stats_fetch_consistency is set to \"none,\" but\nthe default appears to be \"cache.\" Should these be consistent? I've\nattached a patch to change the entry in the sample.\n\n-- \nNathan Bossart\nAmazon Web Services: https://aws.amazon.com",
"msg_date": "Tue, ... |
[
{
"msg_contents": "Hi,\n\nA couple of recent isolation test failures reported $SUBJECT.\n\nIt could be a bug in recent-ish latch refactoring work, though I don't\nknow why it would show up twice just recently.\n\nJust BTW, that animal has shown signs of a flaky toolchain before[1].\nI know we have quite a lot o... |
[
{
"msg_contents": "Hi hackers,\nThanks to all the developers. The attached patch updates the manual for the pg_stats_ext and pg_stats_ext_exprs view.\nThe current pg_stats_ext/pg_stats_ext_exprs view manual are missing the inherited column. This column was added at the same time as the stxdinherit column in the... |
[
{
"msg_contents": "In this old sub-thread, we removed the use of word \"partition\" when it didn't\nmean \"declarative partitioning\".\n\nhttps://www.postgresql.org/message-id/flat/20180601213300.GT5164%40telsasoft.com#32efea8c1aa0e875d201873dac56e09c\n\nNow, I'm proposing to get rid of the phrase \"inheritance... |
[
{
"msg_contents": "Hi,\n\nWhenever you call CHECK_FOR_INTERRUPTS(), there are three flow-control\npossibilities:\n\n1. It doesn't return, because we ereport(FATAL) AKA \"die\".\n2. It doesn't return, because we ereport(ERROR) AKA \"cancel\".\n3. It returns, possibly having serviced various kinds of requests.... |
[
{
"msg_contents": "Hi hackers,\n\nWhen working on some table_rewrite related projects, I noticed that we don’t\nhave tab-complete for \"ON table_rewrite\" when creating the event trigger. I think it\nmight be better to add this. Here is the patch. Thoughts ?\n\nBest regards,\nHou zhijie",
"msg_date": "Wed, ... |
[
{
"msg_contents": "The 002_pg_upgrade.pl test leaves a file delete_old_cluster.sh in the \nsource directory. In vpath builds, there shouldn't be any files written \nto the source directory.\n\nNote that the TAP tests run with the source directory as the current \ndirectory, so this is the result of pg_upgrade ... |
[
{
"msg_contents": "Hello,\n\nVik Fearing pointed out the inconsistency in the SQL Standard that imposes\nusing count(*) (with a star) but row)number() without it.\n\nVik's point of view is that we should be able to use row_number with a\nstar, which is already implemented in Postgres.\n\nMy point of view is we ... |
[
{
"msg_contents": "\nHi,\n\nToday, I try to use repeat() to generate 1GB text, and it occurs invalid memory\nalloc request size [1]. It is a limit from palloc(), then I try to reduce it,\nit still complains out of memory which comes from enlargeStringInfo() [2]. The\ndocumentation about repect() [3] doesn't m... |
[
{
"msg_contents": "Hi all,\n\nOn the thread about the removal of VS 2013, Jose (in CC) has mentioned\nthat bumping MIN_WINNT independently would make sense, as the\nsimplication of locales would expose under MinGW some code for\nGetLocaleInfoEx():\nhttps://www.postgresql.org/message-id/CAC+AXB3himFH+-pGRO1cYju6... |
[
{
"msg_contents": "postgres and initdb not working inside docker.\n\nchmod 755 always for a mounted volume inside docker.\n\n=============\n\nFrom: Roffild <roffild@hotmail.com>\nSubject: fix chmod inside docker\n\n\ndiff --git a/src/backend/utils/init/miscinit.c \nb/src/backend/utils/init/miscinit.c\nindex 30f... |
[
{
"msg_contents": "Hi,\nResearching on join selectivity improvement I stuck into the code in \nrowtypes.c:\n\n/*\n * Have two matching columns, they must be same type\n */\nif (att1->atttypid != att2->atttypid)\n ereport(ERROR, ...\n\nWhy, for example, isn't allowed next trivial query:\n\nSELECT *\nFROM\n ... |
[
{
"msg_contents": "Base on this thread:\nhttps://www.postgresql.org/message-id/20220305083830.lpz3k3yku5lmm5xs%40jrouhaud\nordering reference:\nhttps://unicode-org.github.io/cldr-staging/charts/latest/collation/en_US_POSIX.html\n\n<https://www.postgresql.org/message-id/20220305083830.lpz3k3yku5lmm5xs%40jrouhaud... |
[
{
"msg_contents": "I'm trying to include a sensitivity operator in a function. My issue is\nthat when I have my function, I get a call to SupportRequestSimplify, but\nnot SupportRequestSensitivity. It is not obvious what I am doing that is\nincorrect.\n\nMy c (stub) function is:\n\nPG_FUNCTION_INFO_V1(pgq3c_joi... |
[
{
"msg_contents": "Here is a status report of where I think we are with cluster file\nencryption.\n\nThe last patch for temporary file I/O centralization is from April 20:\n\n\thttps://www.postgresql.org/message-id/24759.1650466826@antos\n\nOnce that is done I can modify my patch set to switch from CTR to XTS\n... |
[
{
"msg_contents": "Hello,\n\nCurrently, lo_creat(e), lo_import, lo_unlink, lowrite, lo_put,\nand lo_from_bytea are allowed even in read-only transactions.\nBy using them, pg_largeobject and pg_largeobject_metatable can\nbe modified in read-only transactions and the effect remains\nafter the transaction finished... |
[
{
"msg_contents": "Hi,\n\nPresently, makeaclitem() allows only a single privilege in a single call.\nThis\npatch allows it to additionally accept multiple comma-separated privileges.\n\nThe attached patch reuses the has_foo_privileges() infrastructure and\nbesides\na minor change to the function documentation, ... |
[
{
"msg_contents": "Hello,\n\nI found that tests for TRUNCATE on foreign tables are left\nin the foreign_data regression test. Now TRUNCATE on foreign\ntables are allowed, so I think the tests should be removed.\n\nCurrently, the results of the test is \n \"ERROR: foreign-data wrapper \"dummy\" has no handler\"... |
[
{
"msg_contents": "Hi,\n\nWhile investigating an internal report, I concluded that it is a bug. The\nreproducible test case is simple (check 0002) and it consists of a FOR ALL\nTABLES publication and a non-empty materialized view on publisher. After the\nsetup, if you refresh the MV, you got the following messa... |
[
{
"msg_contents": "Hi,\n\nwhile working on some BRIN stuff, I realized (my) commit 5753d4ee320b\nignoring BRIN indexes for HOT is likely broken. Consider this example:\n\n----------------------------------------------------------------------\nCREATE TABLE t (a INT) WITH (fillfactor = 10);\n\nINSERT INTO t SELEC... |
[
{
"msg_contents": "I'm \"joining\" a bunch of unresolved threads hoping to present them better since\nthey're related and I'm maintaining them together anyway.\n\nhttps://www.postgresql.org/message-id/flat/20220219234148.GC9008%40telsasoft.com\n - set TESTDIR from perl rather than Makefile\nhttps://www.postgres... |
[
{
"msg_contents": "Hi all,\n\nTesting on the PG15 beta, I'm getting new failures when trying to create a\ncollation:\n\nCREATE COLLATION some_collation (LC_COLLATE = 'en-u-ks-primary',\n LC_CTYPE = 'en-u-ks-primary',\n PROVIDER = icu,\n DETERMINISTIC = False\n);\n\nThis works on PG14, but on PG15 it er... |
[
{
"msg_contents": "Commit 1a36bc9db (SQL/JSON query functions) introduced STRING as a\ntype_func_name_keyword. As per the complaint at [1], this broke use\nof \"string\" as a table name, column name, function parameter name, etc.\nThe restriction about column names, in particular, seems likely to\nbreak boatlo... |
[
{
"msg_contents": "Hi,\n\n \n\nI tried it on PostgreSQL 13. If you use the Unicode Variation Selector and Combining Character\n\n, the base character and the Variation selector will be 2 in length. Since it will be one character on the display, we expect it to be one in length. Please provide a function corresp... |
[
{
"msg_contents": "While working on some patch, I saw the following error message when a\ntransaction ended successfully after a failed call to\nparse_and_validate_value().\n\nThe cause is ParseTzFile() returns leaving an open file descriptor\nunfreed in some error cases.\n\nThis happens only in a special case ... |
[
{
"msg_contents": "Hello world!\n\nFew years ago we had a thread with $subj [0]. A year ago Heikki put a lot of effort in improving GIN checks [1] while hunting a GIN bug.\nAnd in view of some releases with a recommendation to reindex anything that fails or lacks amcheck verification, I decided that I want to r... |
[
{
"msg_contents": "Hi,\n\nHere are some failures in the test sto_using_cursor, on 12, 13 and\nHEAD branches:\n\n https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=desmoxytes&dt=2020-03-15%2023:18:30\n https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=gharial&dt=2021-03-03%2005:59:30\n https://buildf... |
[
{
"msg_contents": "Hi,\n\nToday I hit \"ERROR: target lists can have at most 1664 entries\", and I was\nsurprised the limit was not documented.\n\nI suggest that the limit of \"1664 columns per tuple\" (or whatever is the\nright term) should be added\nto the list at https://www.postgresql.org/docs/current/limit... |
[
{
"msg_contents": "PSA a patch to fix a spelling mistake that I happened upon...\n\n------\nKind Regards,\nPeter Smith.\nFujitsu Australia",
"msg_date": "Tue, 31 May 2022 18:27:59 +1000",
"msg_from": "Peter Smith <smithpb2250@gmail.com>",
"msg_from_op": true,
"msg_subject": "Fix spelling mistake... |
[
{
"msg_contents": "Hi, hackers!\n\nThere are not many commands in PostgreSQL for working with partitioned \ntables. This is an obstacle to their widespread use.\nAdding SPLIT PARTITION/MERGE PARTITIONS operations can make easier to \nuse partitioned tables in PostgreSQL.\n(This is especially important when migr... |
[
{
"msg_contents": "|generate_series| ( /|start|/ |timestamp with time zone|, /|stop|/ \n|timestamp with time zone|, /|step|/ |interval| )\nproduces results depending on the timezone value set:\n\nSET timezone = 'UTC';\nSELECT ts, ts AT TIME ZONE 'UTC'\nFROM generate_series('2022-03-26 00:00:00+01'::timestamptz,... |
[
{
"msg_contents": "Hi hackers,\n\nInspired by a question on IRC, I noticed that while the core statement\nlogging system gained the option to log statement parameters in PG 13,\nauto_explain was left out.\n\nHere's a patch that adds a corresponding\nauto_explain.log_parameter_max_length config setting, which co... |
[
{
"msg_contents": "Apparently 5.36 rejiggers warning classifications in a way that breaks\none of our test cases. Perhaps we should switch it to some other\nwarning-triggering condition.\n\n\t\t\tregards, tom lane\n\n------- Forwarded Message\n\nDate: Wed, 01 Jun 2022 14:08:46 +0000\nFrom: bugzilla@redha... |
[
{
"msg_contents": "Hi hackers,\n\nI'm seeing a compiler warning in brin.c with an older version of gcc.\nSpecifically, it seems worried that a variable might not be initialized.\nAFAICT there is no real risk, so I've attached a small patch to silence the\nwarning.\n\n-- \nNathan Bossart\nAmazon Web Services: ht... |
[
{
"msg_contents": "Hi,\nFor non superusers, the max connections would be lower than what\nmax_connections\nspecifies.\n\nShould we display the effective value when non superuser issues `SHOW\nmax_connections` ?\n\nThanks\n\nHi,For non superusers, the max connections would be lower than what max_connections spec... |
[
{
"msg_contents": "Hello!\n\nFound out that test for pg_upgrade (test.sh for 11-14 and \n002_pg_upgrade.pl for 15+) doesn't work from 10th versions to higher \nones due to incompatible options for initdb and default PGDATA permissions.\n\nHere are the patches that may solve this problem.\n\nWould be glad to you... |
[
{
"msg_contents": "forking: <20220302205058.GJ15744@telsasoft.com>: Re: Adding CI to our tree\n\nOn Wed, Mar 02, 2022 at 02:50:58PM -0600, Justin Pryzby wrote:\n> BTW (regarding the last patch), I just noticed that -Og optimization can cause\n> warnings with gcc-4.8.5-39.el7.x86_64.\n> \n> be-fsstubs.c: In func... |
[
{
"msg_contents": "Pretty trivial since this is documenting something that Postgres\n*doesn't* do, but it incorrectly reversed only the bits of each\nnibble, not the whole byte. See e.g.\nhttps://www.ibm.com/docs/en/csfdcd/7.1?topic=ls-bit-ordering-in-mac-addresses\nfor a handy table.",
"msg_date": "Wed, 1 ... |
[
{
"msg_contents": "Hello,\n\nAttached is a small patch to add a description to the meta commands \nregarding\nlarge objects.\n\n\nthe actual description when using psql --help=commands is :\n\nLarge Objects\n \\lo_export LOBOID FILE\n \\lo_import FILE [COMMENT]\n \\lo_list\n \\lo_unlink LOBOID ... |
[
{
"msg_contents": "Hello,\n\nI was using an object access hook for oat_post_create access while creating\nan extension and expected that I would be able to query for the newly\ncreated extension with get_extension_oid(), but it was returning\nInvalidOid. However, the same process works for triggers, so I was\nw... |
[
{
"msg_contents": "Hi,\n\nBF animal margay (a newly started Solaris 11.4/Sparc/GCC 11.2 box) is\nsometimes failing with:\n\nTRAP: FailedAssertion(\"seg->mapped_address != NULL\", File: \"dsm.c\",\nLine: 1069, PID: 9038)\n\nI can't immediately see why it's doing this, but my tool that looks\nfor assertion failur... |
[
{
"msg_contents": "Hi,\n\nWhile performing pg_upgrade from v15Beta binaries/source,\nI got this error below error\n\ncould not create directory \"d2/pg_upgrade_output.d\": File exists\nFailure, exiting\n\n\n*Steps to reproduce *\nv15 Beta sources\ninitalize a cluster ( ./initdb -D d1)\ninitalize another cluster... |
[
{
"msg_contents": "Hi all,\n\nWhile studying the issue discussed in thread \"Detaching a partition with a FK\non itself is not possible\"[1], I stumbled across an oddity while attaching a\npartition having the same multiple self-FK than the parent table.\n\nOnly one of the self-FK is found as a duplicate. Find ... |
[
{
"msg_contents": "I finally reached the point of being fed up with our inability\nto maintain the number of lines output by psql's usage() and\nsibling functions. Almost every year, we find ourselves updating\nthose magic constants sometime late in the dev cycle, and I just\nhad to do it again today.\n\nSo, a... |
[
{
"msg_contents": "A few weeks back I sent a bug report [1] directly to the -bugs mailing\nlist, and I haven't seen any activity on it (maybe this is because I\nemailed directly instead of using the form?), but I got some time to\ntake a look and concluded that a first-level fix is pretty simple.\n\nA quick bac... |
[
{
"msg_contents": "Hi,\r\nI opened an issue with an attached code on oracle_fdw git page : https://github.com/laurenz/oracle_fdw/issues/534\r\nBasically I expected to obtain a \"no privilege\" error from PostgreSQL when I have no read privilege on the postgres foreign table but I obtained an Oracle error instea... |
[
{
"msg_contents": "Hi,\n\nAt on of the pgcon unconference sessions a couple days ago, I presented\na bunch of benchmark results comparing performance with different\ndata/WAL block size. Most of the OLTP results showed significant gains\n(up to 50%) with smaller (4k) data pages.\n\nThis opened a long discussion... |
[
{
"msg_contents": "HI hackers,\n\nI thought it would be better to start a new thread to discuss.\nWhile working with sorting patch, and read others threads,\nI have some ideas to reduces memory consumption by aset and generation\nmemory modules.\n\nI have done basic benchmarks, and it seems to improve performan... |
[
{
"msg_contents": "Hello hackers,\n\nUsing placeholders for application variables allows the use of RLS for\napplication users as shown in this blog post\nhttps://www.2ndquadrant.com/en/blog/application-users-vs-row-level-security/\n.\n\n SET my.username = 'tomas'\n CREATE POLICY chat_policy ON chat\n U... |
[
{
"msg_contents": "Dear PostgreSQL Hacker Community,\n\nI am facing a tricky bug which makes the Query Planner crashes when using COUNT(*) function.\nWithout any upgrade suddenly a table of a database instance could not be queried this way:\n\nSELECT COUNT(*) FROM items;\n\n-- ERROR: variable not found in subp... |
[
{
"msg_contents": "Hi, hackers\nI just wrote a test code for the `pg_buffercache` extension which\ndoesn't not have test code.\nI wrote the sql query to ensure that the buffer cache results are the\nsame when `make installcheck` is performed.\n\n---\nregards\nLee Dong Wook.",
"msg_date": "Mon, 6 Jun 2022 22... |
[
{
"msg_contents": "The logical replication tablesync ignores the publication 'publish'\noperations during the initial data copy.\n\nThis is current/known PG behaviour (e.g. as recently mentioned [1])\nbut it was not documented anywhere.\n\nThis patch just documents the existing behaviour and gives some examples... |
[
{
"msg_contents": "I've been doing some preliminary prep work to see how an inverted index\nusing roaring bitmaps (https://roaringbitmap.org/) would perform. I'm\npresenting some early work using SQL code with the roaring bitmap Postgres\nextension (https://github.com/ChenHuajun/pg_roaringbitmap) to simulate a\... |
[
{
"msg_contents": "If I want to read a file that I'm not sure of the existence but I want\nto read the whole file if exists, I would call\npg_read_binary_file('path', 0, -1, true) but unfortunately this\ndoesn't work.\n\nDoes it make sense to change the function so as to accept the\nparameter specification abov... |
[
{
"msg_contents": "Hi\n\npgbench tests fails, probably due using czech locale\n\nAll tests successful.\nFiles=2, Tests=633, 7 wallclock secs ( 0.14 usr 0.02 sys + 1.91 cusr\n 1.05 csys = 3.12 CPU)\nResult: PASS\nmake[2]: Opouští se adresář\n„/home/pavel/src/postgresql.master/src/bin/pgbench“\nmake -C psql ... |
[
{
"msg_contents": "",
"msg_date": "Tue, 7 Jun 2022 18:24:43 +0900",
"msg_from": "sh95119 <sh95119@gmail.com>",
"msg_from_op": true,
"msg_subject": "Add TAP test for auth_delay extension"
},
{
"msg_contents": "Hi Hackers,\nI just wrote a test for `auth_delay` extension.\nIt's a test which... |
[
{
"msg_contents": "The present implementation of JSON_TABLE sets the collation of the \noutput columns to the default collation if the specified data type is \ncollatable. Why don't we use the collation of the type directly? This \nwould make domains with attached collations work correctly.\n\nSee attached pa... |
[
{
"msg_contents": "Hello hackers,\n\nWhile exploring some code in logical replication worker\nimplementation, I noticed that we're accessing an invalid memory while\ntraversing LogicalRepCtx->workers[i].\nFor the above structure, we're allocating\nmax_logical_replication_workers times LogicalRepWorker amount of... |
[
{
"msg_contents": "Hi everyone:\n\nI'd like to propose a change to PostgreSQL to allow the creation of a foreign\nkey constraint referencing a superset of uniquely constrained columns.\n\nAs it currently stands:\n\n CREATE TABLE foo (a integer PRIMARY KEY, b integer);\n CREATE TABLE bar (x integer, y integer,... |
[
{
"msg_contents": "Hi hackers,\n\nI saw a problem in logical replication, when the target table on subscriber is a\npartitioned table, it only checks whether the Replica Identity of partitioned\ntable is consistent with the publisher, and doesn't check Replica Identity of\nthe partition.\n\nFor example:\n-- pub... |
[
{
"msg_contents": "I believe functions in Postgres follow a late binding approach and hence\nnested function dependencies are resolved using search_path at run time.\nThis way a user can override nested functions in its schema and change the\nbehaviour of wrapper functions. However, a more serious issue is when... |
[
{
"msg_contents": "Since Postgres 9.5 it is possible to use the => operators for filling in \nnamed parameters in a function call, like perform my_func(named_param => \n'some value'). The old form, with the := operator is still allowed for \nbackward reference.\n\nBut with open cursor, still only the old := ope... |
[
{
"msg_contents": "We currently can check for missing heap/index files by comparing\npg_class with the database directory files. However, I am not clear if\nthis is safe during concurrent DDL. I assume we create the file before\nthe update to pg_class is visible, but do we always delete the file\nafter the up... |
[
{
"msg_contents": "Hello,\n\nExperimenting with pipeline mode, with libpq 14.2, sometimes we\nreceive the notice \"message type 0x33 arrived from server while idle\".\nTested with Postgres server 12 and 14.\n\nThis notice is generated by libpq upon receiving messages after using\nPQsendQuery(). The libpq trace ... |
[
{
"msg_contents": "Hello Devs,\n\nI am investigating backporting the fixes for CVE-2022-1552 to 9.6 and\n9.4 as part of Debian LTS and Extended LTS. I am aware that these\nreleases are no longer supported upstream, but I have made an attempt at\nadapting commits ef792f7856dea2576dcd9cab92b2b05fe955696b and\nf2... |
[
{
"msg_contents": "We have these two definitions in the source code:\n\n#define BTMaxItemSize(page) \\\n MAXALIGN_DOWN((PageGetPageSize(page) - \\\n MAXALIGN(SizeOfPageHeaderData + \\\n 3*sizeof(ItemIdData) + \\\n 3*sizeof(ItemPoint... |
[
{
"msg_contents": "Recently I had someone complaining about a pg_restore failure and I\nbelieve we semi-regularly get complaints that are similar -- though\nI'm having trouble searching for them because the keywords \"dump\nrestore failure\" are pretty generic.\n\nThe root cause here -- and I believe for a lot ... |
[
{
"msg_contents": "Hi hackers,\n\nRecently when looking at the \"System Catalogs\" Tables of Contents [1],\nI was wondering why are those headings \"Overview\" and \"System Views\"\nat the same section level as the catalogs/views within them.\n\n~~~\n\ne.g.1. Current:\n\nChapter 53. \"System Catalogs\"\n======\... |
[
{
"msg_contents": "Hi hackers,\n\n(Resending because my previous post was missing the subject - sorry for noise)\n\nRecently when looking at the \"System Catalogs\" Tables of Contents [1],\nI was wondering why are those headings \"Overview\" and \"System Views\"\nat the same section level as the catalogs/views ... |
[
{
"msg_contents": "Hi,\r\n\r\nDue to the issue with potential data corruption when running `CREATE \r\nINDEX CONCURRENTLY` / `REINDEX CONCURRENTLY` on PostgreSQL 14[1], the \r\nrelease team has decided to make an out-of-cycle release available for \r\nPostgreSQL 14 on June 16, 2022.\r\n\r\nThis release will be ... |
[
{
"msg_contents": "Hi,\n\nCurrently CREATE_REPLICATION_SLOT/pg_create_logical_replication_slot waits\nunboundedly if there are any in-progress write transactions [1]. The wait\nis for a reason actually i.e. for building an initial snapshot, but waiting\nunboundedly isn't good for usability of the command/functi... |
[
{
"msg_contents": "Hi,\n\nCurrently postgres doesn't allow dropping a replication slot that's active\n[1]. This can make certain operations more time-consuming or stuck in\nproduction environments. These operations are - disable async/sync standbys\nand disable logical replication that require the postgres runn... |
[
{
"msg_contents": "Hi,\n\nReposting this on its own thread.\n\nhttps://www.postgresql.org/message-id/flat/CAKFQuwby1aMsJDMeibaBaohgoaZhivAo4WcqHC1%3D9-GDZ3TSng%40mail.gmail.com\n\nPresently, the open item seems to be whether my novelty regarding the\nreworked example is too much.\n\nDavid J.",
"msg_date": "... |
[
{
"msg_contents": "Hi,\n\nReposting this on its own thread.\n\nhttps://www.postgresql.org/message-id/flat/CAKFQuwby1aMsJDMeibaBaohgoaZhivAo4WcqHC1%3D9-GDZ3TSng%40mail.gmail.com\n\n As one cannot place excluded in a FROM clause (subquery) in the\n ON CONFLICT clause referring to it as a table, with plural ... |
[
{
"msg_contents": "Hi.\n\nReposting this on its own thread.\n\nhttps://www.postgresql.org/message-id/flat/CAKFQuwby1aMsJDMeibaBaohgoaZhivAo4WcqHC1%3D9-GDZ3TSng%40mail.gmail.com\n\n Per discussion on -general the documentation for the\n ALTER ROUTINE ... DEPENDS ON EXTENSION and DROP EXTENSION doesn't\n ... |
[
{
"msg_contents": "Hi.\n\nReposting this on its own thread.\n\nhttps://www.postgresql.org/message-id/flat/CAKFQuwby1aMsJDMeibaBaohgoaZhivAo4WcqHC1%3D9-GDZ3TSng%40mail.gmail.com\n\n The default database name is just the user name, not the\n operating-system user name.\n\n In passing, the authentication ... |
[
{
"msg_contents": "Hi,\n\nReposting this to its own thread.\n\nhttps://www.postgresql.org/message-id/flat/CAKFQuwby1aMsJDMeibaBaohgoaZhivAo4WcqHC1%3D9-GDZ3TSng%40mail.gmail.com\n\n doc: make unique non-null join selectivity example match the prose\n\n The description of the computation for the unique, non... |
[
{
"msg_contents": "Per suggestion over on -docs:\n\nhttps://www.postgresql.org/message-id/BL0PR06MB4978F6C0B69F3F03AEBED0FBB3C29@BL0PR06MB4978.namprd06.prod.outlook.com\n\nDavid J.",
"msg_date": "Thu, 9 Jun 2022 09:11:59 -0700",
"msg_from": "\"David G. Johnston\" <david.g.johnston@gmail.com>",
"msg_... |
[
{
"msg_contents": "Hey,\r\n\r\nI’m currently working on a parallelization optimization of the Sequential Scan in the codebase, and I need to share information between the workers as they scan a relation. I’ve done a decent amount of testing, and I know that the parallel workers all share the same dsa_area in th... |
[
{
"msg_contents": "Hi.\n\nThe fact that one transaction will wait on another if they are trying to\nclaim the same unique value is presently relegated to a subchapter of the\ndocumentation where the typical reader will not even understand (rightly\nso) the main chapter's title. This has prompted a number of qu... |
[
{
"msg_contents": "Hi,\n\nPer discussion here:\n\nhttps://www.postgresql.org/message-id/163636931138.8076.5140809232053731248%40wrigleys.postgresql.org\n\nWe can now easily document the array_length behavior of returning null\ninstead of zero for an empty array/dimension.\n\nI added an example to the json_array... |
[
{
"msg_contents": "Load balancing connections across multiple read replicas is a pretty\ncommon way of scaling out read queries. There are two main ways of doing\nso, both with their own advantages and disadvantages:\n1. Load balancing at the client level\n2. Load balancing by connecting to an intermediary load... |
[
{
"msg_contents": "I see we removed \"plpythonu\" when we removed \"plpython2u\" in PG 15. Is\nthere a good reason for that? We don't have the software version number\nin other server-side language names, as far as I know. We added\n\"plpython2u\" when we were adding \"plpython3u\", but now that we have\nrem... |
[
{
"msg_contents": "I have just got to the bottom of why the new subscription tests\n027_nosuperuser.pl and 029_on_error.pl have been failing for me - it's\nbecause my test setup has log_error_verbosity set to 'verbose'. Either\nwe should force log_error_verbosity to 'default' for these tests, or we\nshould make... |
[
{
"msg_contents": "Hi,\n\nI've noticed that JIT performance counter generation_counter seems to include\nactions, relevant for both jit_expressions and jit_tuple_deforming options. It\nmeans one can't directly see what is the influence of jit_tuple_deforming\nalone, which would be helpful when adjusting JIT opt... |
[
{
"msg_contents": "Hi hackers,\n\nIt's been a while since the last time I explored how PostgreSQL stores\nthe data on disk, so I decided to refresh my memory. All in all this\ntopic is well documented, but there is one question that I couldn't\nfind an answer to quickly.\n\n From README.HOT:\n\n> If an update c... |
[
{
"msg_contents": "Hello!\n\nWe are seeing connection failures when using \"sslmode=require\" on forked\nconnections. Attached is example code that makes 2 passes. The first pass\nuses \"sslmode=disable\" and the second uses \"sslmode=require\". The first\npass completes successfully, but the second pass fail... |
[
{
"msg_contents": "Recently we added the error messages \"buffer for root directory too\nsmall\" and siblings to pg_upgrade. This means \"<new_cluster's\npgdata>/pg_upgrade_output.d\" was longer than MAXPGPATH.\n\nI feel that the \"root directory\" is obscure here, and moreover \"buffer\nis too small\" looks p... |
[
{
"msg_contents": "Folks,\n\nPlease find attached a patch to do $Subject. As dates in a fair number\nof fields of endeavor are expressed this way, it seems reasonable to\nensure tha we can parse them on input. Making it possible to use them\nin output is a more invasive patch, and would involve changes to\nto_d... |
[
{
"msg_contents": "A little while ago, the pltcl tests starting crashing for me on macOS. \nI don't know what had changed, but I suspect it was either an operating \nsystem update or something like an xcode update.\n\nHere is a backtrace:\n\n * frame #0: 0x00007ff7b0e61853\n frame #1: 0x00007ff803a28751 l... |
[
{
"msg_contents": "Hello, hackers.\n\nWhile working on (1) in commit\n2871b4618af1acc85665eec0912c48f8341504c4 (2) from 2010 I noticed Simon\nRiggs was thinking about usage of memory barrier for KnownAssignedXids\naccess instead of spinlocks.\n\n> We could dispense with the spinlock if we were to\n> create suit... |
[
{
"msg_contents": "Hi,\r\n\r\nPlease see the attached draft of the release announcement for the \r\n2022-06-16 release.\r\n\r\nPlease review for technical accuracy and omissions. If you have \r\nfeedback. please provide it no later than Thu, June 16, 2022 0:00 AoE[1].\r\n\r\nThanks,\r\n\r\nJonathan\r\n\r\n[1] h... |
[
{
"msg_contents": "Hi.\n\nFWIW, I stumbled on this obscure possible typo (?) in src/pl/plperl/po/ro.po:\n\n~~~\n\n#: plperl.c:788\nmsgid \"while parsing Perl initialization\"\nmsgstr \"în timpul parsing inițializării Perl\"\n#: plperl.c:793\nmsgid \"while running Perl initialization\"\nmsgstr \"în timpul rulări... |
[
{
"msg_contents": "Hi:I create a gin index for a bigint array. and then want to find the array which contains the key is start with special prefix. for example:\nrow1: { 112, 345, 118}row2: { 356, 258, 358}row3: { 116, 358, 369}\nI want find the key start \"11\",so the row1 and row3 will be return.of course it... |
[
{
"msg_contents": "We are in the process of migrating from Oracle to Postgres and the following query does much less work with Oracle vs Postgres.\n\nexplain (analyze, buffers)\nselect favoritegr0_.FAVORITE_GROUP_SID as favorite1_2_, favoritegr0_.CHANGED as changed2_2_, favoritegr0_.TYPE_DISCRIMINATOR as type_d... |
[
{
"msg_contents": "Here's a couple of small patches I came up with while doing some related\nwork on TAP tests.\n\nThe first makes the argument for $node->config_data() optional. If it's\nnot supplied, pg_config is called without an argument and the whole\nresult is returned. Currently, if you try that you get ... |
[
{
"msg_contents": "Per the discussion at [1], pg_upgrade currently doesn't use\ncommon/logging.c's functions. Making it do so looks like a\nbigger lift than is justified, but there is one particular\ninconsistency that I think we ought to remove: pg_upgrade\nexpects (most) message strings to end in newlines, ... |
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