threads listlengths 1 2.99k |
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[
{
"msg_contents": "Hi hackers,\n\nPartitioning is necessary for very large tables.\n However, I found that postgresql does not support create index concurrently on partitioned tables.\nThe document show that we need to create an index on each partition individually and then finally create the partitioned index ... |
[
{
"msg_contents": "Hi\r\n\r\nOne czech Postgres user reported performance issue related to speed\r\nHashAggregate in nested loop.\r\n\r\nThe speed of 9.6\r\n\r\nHashAggregate (cost=27586.10..27728.66 rows=14256 width=24)\r\n(actual time=0.003..0.049 rows=39 loops=599203)\r\n\r\nThe speed of 10.7\r\n\r\nHashAgg... |
[
{
"msg_contents": "Hackers,\n\nThe name \"relkind\" normally refers to a field of type 'char' with values like 'r' for \"table\" and 'i' for \"index\". In AlterTableStmt and CreateTableAsStmt, this naming convention was abused for a field of type enum ObjectType. Often, such fields are named \"objtype\", thou... |
[
{
"msg_contents": "Hello,\n\nI have been working on a node.js streaming client for different COPY\nscenarios.\nusually, during CopyOut, clients tend to buffer network chunks until they\nhave gathered a full copyData message and pass that to the user.\n\nIn some cases, this can lead to very large copyData messag... |
[
{
"msg_contents": "In connection with the nearby thread about spinlock coding rule\nviolations, I noticed that we have several places that are doing\nthings like this:\n\n\tSpinLockAcquire(&WalRcv->mutex);\n\t...\n\twritten_lsn = pg_atomic_read_u64(&WalRcv->writtenUpto);\n\t...\n\tSpinLockRelease(&WalRcv->mutex... |
[
{
"msg_contents": "Hi,\n\nWhen libpq is used to COPY data to the server, it doesn't properly\nhandle errors.\n\nAn easy way to trigger the problem is to start pgbench -i with a\nsufficiently large scale, and then just shut the server down. pgbench\nwill happily use 100% of the cpu trying to send data to the ser... |
[
{
"msg_contents": "Hello!\n\nI'd like to propose a simple patch to allow for negative ISO 8601\nintervals with leading minus, e.g. -PT1H besides PT-1H. It seems that\nstandard isn't quite clear on negative duration. However, lots of\nsoftware use leading minus and expect/generate intervals in such forms\nmaking... |
[
{
"msg_contents": "Greetings,\n\nOur system uses an EAV like database and generates queries like the example below.\n\nAs you could see the query includes castings, we noticed testing with Postgres 12 that the castings of the CASE THEN statement (commented out below) where failing in some cases, of course if yo... |
[
{
"msg_contents": "Hi ,\n\nWhat is the right approach for using AT TIME ZONE function?\n\nOption 1: <some_date with tz> AT TIME ZONE 'IST'\nOption 2: <some_date with tz> AT TIME ZONE 'Asia/Kolkata'\n\nIn the first option, I get +2:00:00 offset (when *timezone_abbrevations =\n'Default'*) and for option 2 , +5:30... |
[
{
"msg_contents": "Hello!On postgres 12.3 the problem still exists (https://www.postgresql.org/message-id/16446-2011a4b103fc5fd1%40postgresql.org): (Tested on PostgreSQL 12.3 (Debian 12.3-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit) Bug reference: 16446Logged by: ... |
[
{
"msg_contents": "To let users know what kind of character set\ncan be used add examples and a link to --encoding option.\n\nThanks,\nDong wook",
"msg_date": "Thu, 4 Jun 2020 22:20:01 +0900",
"msg_from": "=?UTF-8?B?7J2064+Z7Jqx?= <sh95119@gmail.com>",
"msg_from_op": true,
"msg_subject": "[PATCH... |
[
{
"msg_contents": "Hi,\n\nAfter conferring, the PostgreSQL 13 RMT[1] has decided that it is time\nto create the REL_13_STABLE branch. Tom has volunteered to create the\nbranch this Sunday (2020-06-07).\n\nPlease let us know if you have any questions.\n\nThanks,\n\nAlvaro, Peter, Jonathan\n\n[1] https://wiki.pos... |
[
{
"msg_contents": "This is a patch to make use of RELKIND_HAS_STORAGE() where appropriate, \ninstead of listing out the relkinds individually. No behavior change is \nintended.\n\nThis was originally part of the patch from [0], but it seems worth \nmoving forward independently.\n\n\n[0]: \nhttps://www.postgres... |
[
{
"msg_contents": "The following bug has been logged on the website:\n\nBug reference: 16481\nLogged by: Fabio Vianello\nEmail address: fabio.vianello@salvagninigroup.com\nPostgreSQL version: 12.3\nOperating system: Windows 10\nDescription: \n\nAbout the bug BUG #15293, on PostgreSQL... |
[
{
"msg_contents": "Hi\n\ndiff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml\nindex 7c06afd3ea..3b810c0eb4 100644\n--- a/doc/src/sgml/func.sgml\n+++ b/doc/src/sgml/func.sgml\n@@ -17821,7 +17821,6 @@ SELECT NULLIF(value, '(none)') ...\n 1\n 2\n </programlisting>\n- (2 rows in result)\n <... |
[
{
"msg_contents": "The following documentation comment has been logged on the website:\n\nPage: https://www.postgresql.org/docs/11/sql-createdatabase.html\nDescription:\n\nMy understanding is that not copying the ACL is the (currently) expected\nbehavior when issuing CREATE DATABASE newdb WITH TEMPLATE my_tmpl;... |
[
{
"msg_contents": "Hello,\n\nCurrently, in case of alternative subplans that do hashed vs per-row \nlookups,\nthe per-row estimate is used when planning the rest of the query.\nIt's also coded in not quite an explicit way.\n\nIn [1] we found a situation where it leads to a suboptimal plan,\nas it bloats the ove... |
[
{
"msg_contents": "Hi,\n\nWhile preparing my pgcon talk I noticed that our hash-agg performance\ndegraded noticeably. Looks to me like it's due to the spilling-hashagg\nchanges.\n\nSample benchmark:\n\nconfig:\n-c huge_pages=on -c shared_buffers=32GB -c jit=0 -c max_parallel_workers_per_gather=0\n(largely just ... |
[
{
"msg_contents": "Hi,\n\nWe're carrying a bunch of obsolete and in one case insecure advice on\nkernel settings. Here's an attempt to clean some of that up.\n\nLinux:\n * Drop reference to ancient systems that didn't have a sysctl command.\n * Drop references to Linux before 2.6.\n * I was tempted to remove t... |
[
{
"msg_contents": "I'm somewhat confused by the selection and order of the output columns\nproduced by the new psql commands \\dAo and \\dAp (access method operators\nand functions, respectively). Currently, you get\n\n\\dAo\n\n AM | Operator family | Operator\n-----+-----------------+------------------... |
[
{
"msg_contents": "The Debian Sid buildfarm members have dozens of failures over the last day,\nbecause the latest Perl packages caused \"perl -V:useshrplib\" to report false.\nOn thorntail, for some reason, \"perl5.30-sparc64-linux-gnu -V:useshrplib\" does\nreturn true. I've added PERL=perl5.30-sparc64-linux-... |
[
{
"msg_contents": "I experimented with running \"make check\" on ARM64 under a reasonably\nbleeding-edge valgrind (3.16.0). One thing I ran into is that\nregress.c's test_atomic_ops fails; valgrind shows the stack trace\n\n fun:__aarch64_cas8_acq_rel\n fun:pg_atomic_compare_exchange_u64_impl\n fun:pg_ato... |
[
{
"msg_contents": "I want to execute some testing code but I conflict against error.\nPlease tell me how to fix it :)\n\nEnvironment:\n=================================================================\nOSX: 10.14.6\npostgresql: version 13 current development\n\nIn postgresql/src/bin/pg_dump dir I command below\... |
[
{
"msg_contents": "Hi,\n\nI'd like to propose $subject, as embodied in the attached patch. This\nmakes it possible to discover and fulfill a need for logical\nreplication that can arise at a time when bouncing the server has\nbecome impractical, i.e. when there is already high demand on it.\n\nBest,\nDavid.\n--... |
[
{
"msg_contents": "This blocks writes to all partitions until commit:\n\npostgres=# begin; CREATE INDEX ON pt(i);\nBEGIN\nCREATE INDEX\n\nCompare with CLUSTER rel1, rel2, ..., and REINDEX {SCHEMA|DATABASE|SYSTEM},\nwhich release their locks as soon as each rel is processed.\n\nI noticed while implementing REIND... |
[
{
"msg_contents": "The tests\n\nsrc/bin/pg_basebackup/t/010_pg_basebackup.pl\nsrc/bin/pg_rewind/t/004_pg_xlog_symlink.pl\n\nboth contain a TAP skip notice \"symlinks not supported on Windows\".\n\nThis is untrue. Symlinks certainly work on Windows, and we have other \nTAP tests using them, for example for tabl... |
[
{
"msg_contents": "This adds support for using non-default huge page sizes for shared\nmemory. This is achived via the new \"huge_page_size\" config entry.\nThe config value defaults to 0, meaning it will use the system default.\n---\n\nThis would be very helpful when running in kubernetes since nodes may\nsupp... |
[
{
"msg_contents": "Hi,\n\nWe currently have\n *\tbool SpinLockFree(slock_t *lock)\n *\t\tTests if the lock is free. Returns true if free, false if locked.\n *\t\tThis does *not* change the state of the lock.\nand its underlying S_LOCK_FREE() operation:\n *\n *\tbool S_LOCK_FREE(slock_t *lock)\n *\t\tTests if th... |
[
{
"msg_contents": "Hello,\n\nTwo recent failures show plan changes in RLS queries on master. Based\non nearby comments, the choice plan is being used to verify access (or\nlack of access) to row estimates, so I guess that means something\ncould be amiss here. (Or it could be due to the dropped UDP flaky\nstat... |
[
{
"msg_contents": "Hi,\n\npg_itoa, pg_ltoa and pg_lltoa all have access to the length of the\nstring that is produced in the function by way of the \"len\" variable.\nThese functions don't have a great deal of use in core, but it seems\nthat most callers do require the len but end up getting it via\nstrlen(). I... |
[
{
"msg_contents": "Hi,\n\nI encountered the following assertion failure when I changed\nlogical_decoding_work_mem to lower value while logical replication\nis running. This happend in the master branch.\n\nTRAP: FailedAssertion(\"rb->size < logical_decoding_work_mem * 1024L\", File: \"reorderbuffer.c\", Line: 2... |
[
{
"msg_contents": "Hi, hackers\n\nWhen some clients connect to database in idle state, postgres do not close the idle sessions,\nhere i add a new GUC idle_session_timeout to let postgres close the idle sessions, it samilar\nto idle_in_transaction_session_timeout.\n\nBest, regards.\n\nJapin Li",
"msg_date": ... |
[
{
"msg_contents": "Hi,\n\nHere is a new version of index skip scan patch, based on v8 patch for\nUniqueKeys implementation from [1]. I want to start a new thread to\nsimplify navigation, hopefully I didn't forget anyone who actively\nparticipated in the discussion.\n\nTo simplify reviewing I've split it into se... |
[
{
"msg_contents": "Hi,\n\nPostgres 12 introduced TableAm api. Although as far as I can see, currently only heap is\nincluded as access method, it is fair to imagine that users will start adding their own methods\nand more methods to be included in Postgres core.\n\nWith that in mind, it might be desirable for a... |
[
{
"msg_contents": "During the discussion in [0] I noticed that the extract()/date_part() \nvariants for time, timetz, and interval had virtually no test coverage. \nSo I put some more tests together, which should be useful if we decide \nto make any changes in this area per [0].\n\n\n[0]: \nhttps://www.postgres... |
[
{
"msg_contents": "There is this for loop in mul_var() :\n/*\n * Add the appropriate multiple of var2 into the accumulator.\n *\n * As above, digits of var2 can be ignored if they don't contribute,\n * so we only include digits for which i1+i2+2 <= res_ndigits - 1.\n */\nfor (i2 = Min(var2ndigits - 1, res_ndigi... |
[
{
"msg_contents": "Hi,\n\nWe would like to know when we will get Postgres installer with latest pgAdmin 4.22 bundled.\nThe latest Postgres installer (12.3) has only 4.21 which doesn't have fix for certain vulnerabilities related to python.\n\nRegards,\nJoel\n\n\n\n\n\n\n\n\n\nHi,\n \nWe would like to know when ... |
[
{
"msg_contents": "Hi All,\nprologue of pg_dump.c says\n * Note that pg_dump runs in a transaction-snapshot mode transaction,\n * so it sees a consistent snapshot of the database including system\n * catalogs. However, it relies in part on various specialized backend\n * functions like pg_get_indexdef(), an... |
[
{
"msg_contents": "Hi,\n\nHere is a small patch to fix function names.\n\nSome pg_xlog_replay_resume() was still left in po file.\nFixed these into pg_wal_replay_resume().\n\n\nBest regards,\n--\nKazuki Uehara",
"msg_date": "Wed, 10 Jun 2020 00:53:37 +0900",
"msg_from": "U ikki <uehakz@gmail.com>",
... |
[
{
"msg_contents": "It should be BLCKSZ and LOBLKSIZE, as in the attached.\n\n-- \nJohn Naylor https://www.2ndQuadrant.com/\nPostgreSQL Development, 24x7 Support, Remote DBA, Training & Services",
"msg_date": "Wed, 10 Jun 2020 17:17:31 +0800",
"msg_from": "John Naylor <john.naylor@2ndquadr... |
[
{
"msg_contents": "Hi,\n\nPostgres create table statement supports `LIKE source_table [like_option... ]`\nto specify `a table from which the new table automatically copies all column\nnames, their data types, and their not-null constraints.` according to\ndocumentation [1].\n\nI am wondering if a similar clause... |
[
{
"msg_contents": "walkdir is used indirectly in the abort handler of SharedFileSetOnDetach, which has the following comment:\n\n/*\n* Callback function that will be invoked when this backend detaches from a\n* DSM segment holding a SharedFileSet that it has created or attached to. If\n* we are the last to deta... |
[
{
"msg_contents": "Hello,\n\nI am trying to understand/optimize how a COPY operation behaves when\ntransfering a bytea from the database to a client.\n\nFor simplicity, I'll consider that I have only one bytea _image_ in the\n_images_ table.\n\nStarting with\nCOPY (SELECT image FROM images) TO STDOUT BINARY\n\n... |
[
{
"msg_contents": "Hi,\n\nI've just had some thoughts about the possible usefulness of having\nthe buildfarm record the run-time of each regression test to allow us\nto have some sort of ability to track the run-time history of each\ntest.\n\nI thought the usefulness might be two-fold:\n\n1. We could quickly id... |
[
{
"msg_contents": "A customer's upgrade failed, and it took me a while to\nfigure out that the problem was that they had set\n\"vacuum_defer_cleanup_age=10000\" on the new cluster.\n\nThe consequence was that the \"vacuumdb --freeze\" that\ntakes place before copying commit log files failed to\nfreeze \"pg_data... |
[
{
"msg_contents": "Hi hackers,\r\n\r\nI quickly put together a patch to add INDEX_CLEANUP and TRUNCATE to\r\nvacuumdb before noticing a previous thread for it [0]. My take on it\r\nwas to just name the options --skip-index-cleanup and --skip-truncate.\r\nWhile that does not give you a direct mapping to the co... |
[
{
"msg_contents": "Hi hackers! I added tap test code for pg_dump --extra-float-digits option\nbecause it hadn't tested it. There was no problem when writing test code\nand running TAP tests.",
"msg_date": "Thu, 11 Jun 2020 14:25:37 +0900",
"msg_from": "Dong Wook Lee <sh95119@gmail.com>",
"msg_from_o... |
[
{
"msg_contents": "Hi,\n\nWhile working on [1], I came across a bug.\n\nReproduction steps:\n\ncreate table foo (a int, b int) partition by list (a);\ncreate table foo1 (c int, b int, a int);\nalter table foo1 drop c;\nalter table foo attach partition foo1 for values in (1);\ncreate table foo2 partition of foo ... |
[
{
"msg_contents": "Commit 72b646033 inserted this into convertJsonbScalar:\n\n \t\t\tbreak;\n \n \t\tcase jbvNumeric:\n+\t\t\t/* replace numeric NaN with string \"NaN\" */\n+\t\t\tif (numeric_is_nan(scalarVal->val.numeric))\n+\t\t\t{\n+\t\t\t\tappendToBuffer(buffer, \"NaN\", 3);\n+\t\t\t\t*jentry = 3;\n+\t\t\t\... |
[
{
"msg_contents": "Hi,\nsrc/backend/commands/sequence.c\nHas two shadows (buf var), with two unnecessary variables declared.\n\nFor readability reasons, the declaration of variable names in the\nprototypes was also corrected.\n\nregards,\nRanier Vilela",
"msg_date": "Thu, 11 Jun 2020 09:49:27 -0300",
"m... |
[
{
"msg_contents": "Hi,\nLatest HEAD, fails with windows regress tests.\n\n float8 ... FAILED 517 ms\n partition_prune ... FAILED 3085 ms\n\nregards,\nRanier VIlela",
"msg_date": "Thu, 11 Jun 2020 09:52:54 -0300",
"msg_from": "Ranier Vilela <ranier.vf@gmail.com... |
[
{
"msg_contents": "While testing Pavel's patch for pg_dump --filter, I got:\n\npg_dump: error: could not write to output file: Success\n[pryzbyj@database postgresql]$ echo $?\n1\n\nI see we tried to fix it few years ago:\nhttps://www.postgresql.org/message-id/flat/1498120508308.9826%40infotecs.ru\nhttps://www.p... |
[
{
"msg_contents": "Before v12, stddev_pop() had the following behavior with just a\nsingle input value:\n\nregression=# SELECT stddev_pop('42'::float8);\n stddev_pop \n------------\n 0\n(1 row)\n\nregression=# SELECT stddev_pop('inf'::float8);\n stddev_pop \n------------\n NaN\n(1 row)\n\nregres... |
[
{
"msg_contents": "Hi,\n\nIt seems to me that we're making the same mistake with the replication\nparser that we've made in various placesin the regular parser: using a\nsyntax for options that requires that every potential option be a\nkeyword, and every potential option requires modification of the\ngrammar. ... |
[
{
"msg_contents": "Hi,\n\nI've heard from a few people that building PostgreSQL extensions on\nWindows is a bit of a pain. I've heard from these people that their\nsolution was to temporarily add their extension as a contrib module\nand have the extension building code take care of creating and\nbuilding the Vi... |
[
{
"msg_contents": "The POSIX standard says this about the exp(3) function:\n\n\tIf x is -Inf, +0 shall be returned.\n\nAt least on my Linux box, our version does no such thing:\n\nregression=# select exp('-inf'::float8);\nERROR: value out of range: underflow\n\nDoes anyone disagree that that's a bug? Should w... |
[
{
"msg_contents": "We had a discussion recently about how it'd be a good idea to support\ninfinity values in type numeric [1]. Here's a draft patch enabling\nthat, using the idea suggested in that thread of commandeering some\nunused bits in the representation of numeric NaNs. AFAICT we've been\ncareful to en... |
[
{
"msg_contents": "Is it possible to make cube extension with float(4bytes) precision instead\nof double(8bytes)?\n\nI use cube extension for storing embedding vectors and calculation distance\non them. During comparing vectors, a 4byte float precision is enough.\nStoring 8 byte double precision is wasting disk... |
[
{
"msg_contents": "Hi,\n\nThe document explains that \"lost\" value that\npg_replication_slots.wal_status reports means\n\n some WAL files are definitely lost and this slot cannot be used to resume replication anymore.\n\nHowever, I observed \"lost\" value while inserting lots of records,\nbut replication c... |
[
{
"msg_contents": "Hi everyone,\n\nWould some additional procedure language handler code examples in the\ndocumentation be good to add? I've put some together in the attached\npatch, and can log it to a future commitfest if people think it would\nbe a good addition.\n\nRegards,\nMark\n-- \nMark Wong\n2ndQuadra... |
[
{
"msg_contents": "-Hackers,\n\nI came across this today [1], \"\n3 Results\n\nIn most respects, PostgreSQL behaved as expected: both read uncommitted and\nread committed prevent write skew and aborted reads. We observed no\ninternal consistency violations. However, we have two surprising results to\nreport. Th... |
[
{
"msg_contents": "Posgres13_beta1, is consistently writing to the logs, \"could not rename\ntemporary statistics file\".\nWhen analyzing the source that writes the log, I simplified the part that\nwrites the logs a little.\n\n1. I changed from if else if to if\n2. For the user, better to have more errors recor... |
[
{
"msg_contents": "Hi,\n\nCurrently using EXPLAIN (ANALYZE) without TIMING OFF regularly changes\nthe resulting timing enough that the times aren't meaningful. E.g.\n\nCREATE TABLE lotsarows(key int not null);\nINSERT INTO lotsarows SELECT generate_series(1, 50000000);\nVACUUM FREEZE lotsarows;\n\n\n-- best of ... |
[
{
"msg_contents": "I scraped the buildfarm's compiler warnings today, as I do from\ntime to time, and I noticed that half a dozen animals that normally\ndon't report any uninitialized-variable warnings are complaining\nabout \"curitup\" in _bt_doinsert. We traditionally ignore such warnings\nfrom compilers tha... |
[
{
"msg_contents": "I happened to notice today that, while the rest of the buildfarm is free\nof implicit-fallthrough warnings, jacana is emitting a whole boatload of\nthem. It looks like it must have a different idea of which spellings of\nthe \"fall through\" comment are allowed. Could you check its document... |
[
{
"msg_contents": "Hello, as proposed by Pavel Stěhule and discussed on local czech PostgreSQL\nmaillist (\nhttps://groups.google.com/d/msgid/postgresql-cz/CAFj8pRCZ42CBCa1bPHr7htffSV%2BNAcgcHHG0dVqOog4bsu2LFw%40mail.gmail.com?utm_medium=email&utm_source=footer),\nI have prepared an initial patch for COPY comma... |
[
{
"msg_contents": "Hi,\n\nPer the docs, pg_replication_slots.min_safe_lsn inedicates \"the minimum\nLSN currently available for walsenders\". When I executed pg_walfile_name()\nwith min_safe_lsn, the function returned the name of the last removed\nWAL file instead of minimum available WAL file name. This happen... |
[
{
"msg_contents": "Adjacent to the discussion in [0] I wanted to document the factorial() \nfunction and expand the tests for that slightly with some edge cases.\n\nI noticed that the current implementation returns 1 for the factorial of \nall negative numbers:\n\nSELECT factorial(-4);\n factorial\n-----------... |
[
{
"msg_contents": "Hello,\n\n\nThe tables for pg_stat_ views in the following page, starting from Table 27.3, have only one column in PG 13. They had 3 columns in PG 12 and earlier.\n\nhttps://www.postgresql.org/docs/13/monitoring-stats.html\n\nIs this intentional? It has become a bit unfriendly to read for m... |
[
{
"msg_contents": "Hi all,\n\nI have begun my annual study of WAL consistency across replays, and\nwal_consistency_checking = 'all' is pointing out at some issues with\nat least VACUUM and SPGist:\nFATAL: inconsistent page found, rel 1663/16385/22133, forknum 0,\nblkno 15\nCONTEXT: WAL redo at 0/739CEDE8 for ... |
[
{
"msg_contents": "Hi all,\n\nAttempting to run installcheck with 13~ and a value of work_mem lower\nthan the default causes two failures, both related to incremental\nsorts (here work_mem = 1MB):\n1) Test incremental_sort:\n@@ -4,12 +4,13 @@\n select * from (select * from tenk1 order by four) t order by four, ... |
[
{
"msg_contents": "Hi,\n\nWe've removed the use of \"slave\" from most of the repo (one use\nremained, included here), but we didn't do the same for master. In the\nattached series I replaced most of the uses.\n\n0001: tap tests: s/master/primary/\n Pretty clear cut imo.\n\n0002: code: s/master/primary/\n Thi... |
[
{
"msg_contents": "Internally pg_dump have capability to filter the table data to dump by same\nfilter clause but it have no interface to use it and the patch here [1]\nadds interface to it but it have at-least two issue, one is error message\nin case of incorrect where clause specification is somehow hard to d... |
[
{
"msg_contents": "While I was updating the snowball code, I noticed something strange. In \nsrc/backend/snowball/Makefile:\n\n# first column is language name and also name of dictionary for \nnot-all-ASCII\n# words, second is name of dictionary for all-ASCII words\n# Note order dependency: use of some other l... |
[
{
"msg_contents": "Hi,\n\nAttached patch proposes $Subject feature which forces the system into\nread-only\nmode where insert write-ahead log will be prohibited until ALTER SYSTEM READ\nWRITE executed.\n\nThe high-level goal is to make the availability/scale-out situation\nbetter. The feature\nwill help HA set... |
[
{
"msg_contents": "Hi,\n\nI noticed that there are several file layout assumptions in dbsize.c which might not hold true for non heap relations attached with the TableAm API. It seems logical that in order to retrieve the disk size of a relation, the existing size method to be used instead.\n\nA small patch is ... |
[
{
"msg_contents": "Hi,\n\nWe're having an issue with planner performance when doing large deletes at the same time as we have long running transactions, from what we gathered, because of the scan to find the actual minimum and maximum values of the table.\n\nInstead of trying to explain what happens, here is a ... |
[
{
"msg_contents": "Hi,\n\nSticking with precedent for the timing of a Beta 2, the RMT[1] has set\nthe PostgreSQL 13 Beta 2 release date to be June 25, 2020. As such, if\nyou have open items[2] that you can finish by the end of this weekend\n(June 21 AOE), please do so :)\n\nThanks,\n\nJonathan\n\n[1] https://wi... |
[
{
"msg_contents": "Hi Hackers,\n\nWhen I was working on an extension on Windows platform, I used the \ncommand 'vcregress contribcheck' to run the regression test for my \nmodule. However, this command will run the regression test for all the \nmodules, I couldn't find a way to regress test my module only. I th... |
[
{
"msg_contents": "I think someone planned to have XactLogCommitRecord() use its forceSync\nparameter instead of reading the forceSyncCommit global variable, but that\ndidn't happen. I'd like to remove the parameter, as attached. This has no\nfunctional consequences, as detailed in the commit message.",
"... |
[
{
"msg_contents": "Hi,\n\nAs you may know better than I do, backend processes sometimes use a lot\nof memory because of the various reasons like caches, prepared\nstatements and cursors.\nWhen supporting PostgreSQL, I face situations for investigating the\nreason of memory bloat.\n\nAFAIK, the way to examine it... |
[
{
"msg_contents": "Hi,\n\nAs Amul sent a patch about \"ALTER SYSTEM READ ONLY\"[1], with similar futur\nobjectives than mine, I decided to share the humble patch I am playing with to\nstep down an instance from primary to standby status.\n\nI'm still wondering about the coding style, but as the discussion about... |
[
{
"msg_contents": "Hello, colleagues,\n\nI have one question related to my current measurements results.\n\nI am fetching integers in text format like:\n\nSelect * from table limit 10000000. It take 18.5 seconds to finish and the\ntransfer data is 633 MB.\n\nWhen I fetching the same data using binary cursor, th... |
[
{
"msg_contents": "This is a follow-up to Bug # 16492 which also links to a thread sent to\n-hackers back in 2018.\n\nI'm firmly of the belief that the existing behavior of DROP relation IF\nEXISTS is flawed - it should not be an error if there is a namespace\ncollision but the relkind of the existing relation ... |
[
{
"msg_contents": "nbtdedup.c's \"single value strategy\" is used when we have a leaf page\nthat is full of duplicates of the same value. We infer that we will\nhave many more in the future, and cooperate with the \"single value\nstrategy\" used within nbtsplitloc.c. Deduplication should create 6\nlarge postin... |
[
{
"msg_contents": "Hi,\n\nNow that HashAgg can spill to disk, we see a few more details in\nEXPLAIN ANALYZE than we did previously, e.g. Peak Memory Usage, Disk\nUsage. However, the new code neglected to make EXPLAIN ANALYZE show\nthese new details for parallel workers.\n\nAdditionally, the new properties all ... |
[
{
"msg_contents": "Hi hackers,\n\nI've attached a patch to add information during standby recovery conflicts.\nThe motive behind is to be able to get some information:\n\n * On the apply side\n * On the blocker(s) side\n\n_Motivation:_\n\nWhen a standby recovery conflict occurs it could be useful to get more ... |
[
{
"msg_contents": "Hello, hackers.\n\nI would like to propose a patch, which allows passing one extra \nparameter to pg_create_physical_replication_slot() — restart_lsn. It \ncould be very helpful if we already have some backup with STOP_LSN from \na couple of hours in the past and we want to quickly verify wet... |
[
{
"msg_contents": "Hi,\n\nWhile checking copy from code I found that the function parameter\ncolumn_no is not used in CopyReadBinaryAttribute. I felt this could be\nremoved.\nAttached patch contains the changes for the same.\nThoughts?\n\nRegards,\nVignesh\nEnterpriseDB: http://www.enterprisedb.com",
"msg_d... |
[
{
"msg_contents": "Hi,\r\n\r\nOn the back of this thread[1] over at pgsql-general, I've attached a patch that marks the functions in btree_gist as PARALLEL SAFE.\r\nThis is primarily to allow parallel plans to be considered when btree_gist's <-> operator is used in any context; for example in an expression\r\nt... |
[
{
"msg_contents": "Hi Maxim,\n\nCoverity show that trap (1), still persists, even in HEAD.\nCID 1425439 (#1 of 1): Explicit null dereferenced (FORWARD_NULL)\n15. var_deref_model: Passing null pointer expr->expr_simple_state to\nExecEvalExpr, which dereferences it. [show details\n<https://scan6.coverity.com/even... |
[
{
"msg_contents": "Hi\n\nsome czech user reported a broken database when he used a repair point on\nMicrosoft Windows.\n\nThe reply from Microsoft was, so it is not a Microsoft issue, but Postgres\nissue, because Postgres doesn't handle VSS process correctly, and then\nrestore point can restore some parts of Po... |
[
{
"msg_contents": "When you switch a built REL_11_STABLE or earlier to REL_12_STABLE or \nlater, you get during make install (or, therefore, make check) an error\n\ncp ./*.h 'PREFIX/include/server'/\ncp: cannot stat './dynloader.h': No such file or directory\n\nThis is because version 11 and earlier created src... |
[
{
"msg_contents": "I want to maintain an internal table which the primary key is sql_text and\nplanstmt::text, it is efficient since it both may be very long. So a\ngeneral\nidea is to use sql_hash_value and plan_hash_value. Then we have to\nhandle the hash collision case. However I checked the codes both in\... |
[
{
"msg_contents": "At \n<https://wiki.postgresql.org/wiki/PostgreSQL_vs_SQL_Standard#Obsolete_syntax_for_substring.28.29> \nit is described that the substring pattern matching syntax in PostgreSQL \ndoes not conform to the current standard. PostgreSQL implements\n\n SUBSTRING(text FROM pattern FOR escapech... |
[
{
"msg_contents": "Hello,\n\n\nThe mails that I get today from pgsql-committers contain links (as \nusual) to git.postgresql.org\nbut these links don't seem to give valid pages: I get what looks like a \ngitweb page but with '404 - Unknown commit object '\n\nexample:\nhttps://git.postgresql.org/pg/commitdiff/1... |
[
{
"msg_contents": "Hi Mark,\nplease, can you take a look?\n\nThis possible bug was appeared before, see at:\n1. https://bugzilla.redhat.com/show_bug.cgi?id=879803\n\nThe trap still persist, in HEAD see:\n\nsrc/interfaces/libpq/fe-exec.c (line 563)\n/* If there's enough space in the current block, no problem. */... |
[
{
"msg_contents": "I suggest to rename enable_incrementalsort to enable_incremental_sort. \nThis is obviously more readable and also how we have named recently \nadded multiword planner parameters.\n\nSee attached patch.\n\n-- \nPeter Eisentraut http://www.2ndQuadrant.com/\nPostgreSQL Development, ... |
[
{
"msg_contents": "Hello,\n\nWhile reviewing a documentation patch, I noticed that a few tags where \nwrong in \"catalog.sgml\". Attached patch fixes them.\n\n-- \nFabien.",
"msg_date": "Sun, 21 Jun 2020 09:10:35 +0200 (CEST)",
"msg_from": "Fabien COELHO <coelho@cri.ensmp.fr>",
"msg_from_op": true,
... |
[
{
"msg_contents": "\nHello devs,\n\nI've been annoyed that the documentation navigation does not always has an \n\"Up\" link. It has them inside parts, but the link disappears and you have \nto go for the \"Home\" link which is far on the right when on the root page \nof a part?\n\nIs there a good reason not to... |
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