threads listlengths 1 2.99k |
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[
{
"msg_contents": "Reading over DefineCollation, I wondered:\n\n* Should not the FROM code path copy the old collation's version?\nIt seems a little bit weird that \"cloning\" a collation takes the\nliberty of installing a new version.\n\n* Also (and this would be a pre-existing bug), why doesn't the FROM\npath... |
[
{
"msg_contents": "I've been experimenting with a change to pg_ctl, which I'll post\nseparately, to reduce its reaction time so that it reports success\nmore quickly after a wait for postmaster start/stop. I found one\ncase in \"make check-world\" that got a failure when I reduced the\nreaction time to ~1ms. ... |
[
{
"msg_contents": "I still have a bee in my bonnet about how slow the recovery TAP tests\nare, and especially about how low the CPU usage is while they run,\nsuggesting that a lot of the wall clock time is being expended on\nuseless sleeps. Some analysis I did today found some low-hanging fruit\nthere: a signi... |
[
{
"msg_contents": "Using the patch I posted a little while ago to reduce pg_ctl's reaction\ntime, I noticed that there were semi-reproducible ten-second delays in\npostmaster shutdown, in some cases in the recovery tests where we quickly\nstop and restart and again stop the postmaster. The cause turned out to\... |
[
{
"msg_contents": "Hi,\n\nWhile trying to do - make of pg_filedump against v10 sources , getting \nan errors\n\n[centos@centos-cpula pg_filedump]$ make\ncc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions \n-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic \n-DLINUX_OOM_ADJ=0 -Wall -Wmissi... |
[
{
"msg_contents": "Hi,\n\nI found some comments which are not implemented.\n\nAs far as I have examined, these comments refer to min_group_size,\nbut min_group_size was decided not to adopt and removed[1], so\nit seems these comments also should be removed.\n\n[1] \nhttps://www.postgresql.org/message-id/CAKJS1... |
[
{
"msg_contents": "Hello,\n\nI believe that I have found a mistake in a comment to \nparse_phrase_operator function. The comment has the following line:\na <X> b (distance is no greater than X)\nwhich is not. According to documentation and practical results, this \nline should me changed on something like:\na <... |
[
{
"msg_contents": "Hello.\n\nI had a case of unexpected error caused by ALTER TABLE NO\nINHERIT.\n\n=# CREATE TABLE p (a int);\n=# CREATE TABLE c1 () INHERITS (p);\n\nsession A=# BEGIN;\nsession A=# ALTER TABLE c1 NO INHERIT p;\n\nsession B=# EXPLAIN ANALYZE SELECT * FROM p;\n(blocked)\n\nsession A=# COMMIT;\n\... |
[
{
"msg_contents": "Hi,\n\nIn case of list partitioned table:\n1. If there is a partition accepting only null values and nothing else, then\ncurrently the partition constraints for such a partition are constructed as\n\"((a IS NULL) OR (a = ANY (ARRAY[]::integer[])))\".\nI think there it is better to avoid const... |
[
{
"msg_contents": "Hi hackers,\n\nA colleague of mine wondered if there is a way to always run\neverything you type into psql in a db txn and automatically rollback\nit as soon as it finish.\nI couldn't think of any way to do so, but thought it would be a nice\nfeature and probably quite easy to add to psql, so... |
[
{
"msg_contents": "I've found another edge-case bug through investigation of unexpectedly\nslow recovery test runs. It goes like this:\n\n* While streaming from master to slave, test script shuts down master\nwhile slave is left running. We soon restart the master, but meanwhile:\n\n* slave's walreceiver proc... |
[
{
"msg_contents": "Summary:\n\nTrying to take a `pg_basebackup -T OLDDIR=NEWDIR [etc]` on master \n(server running the cluster) fails on Windows with error \"pg_basebackup: \ndirectory \"OLDDIR\" exists but is not empty\".\n\nVersion: 9.6.2, installed from Standard EDB package (built with MSVC).\n\n\nRepro step... |
[
{
"msg_contents": "Hi hackers,\n\nCommit ea9df812d8502fff74e7bc37d61bdc7d66d77a7f got rid of\nFirstPredicateLockMgrLock, but it's still referred to in a comment in\npredicate.c where the locking protocol is documented. I think it's\nprobably best to use the name of the macro that's usually used to\naccess the ... |
[
{
"msg_contents": "Hi all,\n\nI have noticed $subject. A patch is attached. Those comments are not\ncompletely wrong either as pg_basebackup can generate pg_xlog as well,\nstill I would recommend to just mention \"pg_wal\".\nThanks,\n-- \nMichael\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@po... |
[
{
"msg_contents": "Hi hackers,\n\nAs mentioned in another thread[1], slru.h says:\n\n * Note: slru.c currently assumes that segment file names will be four hex\n * digits. This sets a lower bound on the segment size (64K transactions\n * for 32-bit TransactionIds).\n\nThat comment is out of date: commit 638... |
[
{
"msg_contents": "Project: Explicitly support predicate locks in index AMs besides b-tree\n\nHi,\n\nDuring this week, I continued my work on predicate locking in the hash\nindex and created a patch for it. As I have written in my proposal for the\nhash index, every scan operation acquires a predicate lock on t... |
[
{
"msg_contents": "Hi,\n\nThe following rather contrived example illustrates that lag(), lead()\n(and probably other functions) can't automatically cast an integer to\na bigint:\n\nselect lag(sum,1,0) over () from (select sum(generate_series) over\n(order by generate_series) from generate_series(1,10)) x;\nERRO... |
[
{
"msg_contents": "Over on the \"memory layouts for binary search in nbtree\" thread, I\ndescribed a plausible way of implementing abbreviated keys for nbtree\ninternal pages [1]. I've been going on about this technique for a long\ntime, but the insight that we can do it by reusing an itemId's lp_len\nfield is ... |
[
{
"msg_contents": "Attached fixes $SUBJECT.\n\ns/fetch_ckpt/fetching_ckpt/g\n\nThanks,\nAmit\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp://www.postgresql.org/mailpref/pgsql-hackers",
"msg_date": "Wed, 28 Jun 2017 09:54:31 +0900"... |
[
{
"msg_contents": "Hello! I am a Junior Postgresql hacker.i was start from building and using\nit.please Help me to fixing this error.\nI am trying to build with Patching MERGE statement or keyword in\nPostgresql 9.0.10 on ubuntu OS and am getting a couple errors related to\nbootstrap libraries. These are occ... |
[
{
"msg_contents": "Hi,\n\nAttached patch for $subject.\nA period is missing at the end of sentence.\n\nRegards,\n\n--\nMasahiko Sawada\nNIPPON TELEGRAPH AND TELEPHONE CORPORATION\nNTT Open Source Software Center\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to y... |
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{
"msg_contents": "Hi,\n\nAttached is a patch of pg_reload_backend that is a function signaling\nSIGHUP to a specific backend. The original idea is from Michael Paquier[1].\nThe documatation isn't included in this patch yet.\n\nWe can change some parameters of other backend using the function\nas bellow.\n\npos... |
[
{
"msg_contents": "---\n doc/src/sgml/installation.sgml | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)\n\ndiff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml\nindex becf868..809cacb 100644\n--- a/doc/src/sgml/installation.sgml\n+++ b/doc/src/sgml/installation.sgml\n@@ -120,7 +12... |
[
{
"msg_contents": "Hello! I am a Junior Postgresql hacker.i was start from building and using\nit.please Help me to fixing this error.\nI am trying to build with Patching MERGE statement or keyword in\nPostgresql 9.0.10 on ubuntu OS and am getting a couple errors related to\nbootstrap libraries. These are occ... |
[
{
"msg_contents": "Attached is a fix for a small typo I found.\r\n\r\nYours,\r\nLaurenz Albe\r\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp://www.postgresql.org/mailpref/pgsql-hackers",
"msg_date": "Wed, 28 Jun 2017 13:53:25 +000... |
[
{
"msg_contents": "On Mon, Mar 28, 2011 at 7:07 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:\n> I wrote:\n>> Now if we had a track record showing that we could tweak the protocol\n>> version without causing problems, it'd be fine with me to do it for this\n>> usage. But we don't, and this particular case doesn't se... |
[
{
"msg_contents": "Hello,\n\nThis is a new requirement comes from some customers hoping the ECPG can\nsupport Unicode host variable which can compatible with the same feature in\nOracle Pro*C.\n\nhttps://docs.oracle.com/database/121/LNPCC/pc_05adv.htm#LNPCC3273\n\nBy using this Unicode data type, user can defin... |
[
{
"msg_contents": "Hi,\n\nWhile reading source codes I found the following comment in xlog.c.\n\n/*\n * Have we passed our safe starting point? Note that minRecoveryPoint is\n * known to be incorrectly set if ControlFile->backupEndRequired, until\n * the XLOG_BACKUP_RECORD arrives to advise us of the correct\n ... |
[
{
"msg_contents": "In the last week:\n\nI added a tpcb benchmark and refactored the test code. It likes a framework now. We can add other benchmarks easily if necessary. https://github.com/liumx10/pg-bench\nAnalyzed the code acquiring SerializableFinishedListLock and provided a new proposal to improve it. My pr... |
[
{
"msg_contents": "Hi hackers,\n\nI am aware of at three potential projects that would change the\nmeaning of \"SELECT *\":\n\n1. Incremental MATERIALIZED VIEW maintenance probably needs to be\nable to use a hidden counter column which you can ask for by name but\nwill otherwise not show up to users:\n\nhttps:... |
[
{
"msg_contents": "Hi,\n\nCurrently logical decoding finds a consistent point by generating a snapshot and stream changes after consistent point.I want to change this behaviour to something which stream changes from a lsn in the past provided its present in wal segment.Can this behaviour be implemented and if y... |
[
{
"msg_contents": "Hi all,\n\nwe've developed an application using libpq to access a table in the \nPgSQL database but we're sometimes experiencing segmentation fault on \nresetPQExpBuffer() function of libpq called from PQexecParams() with \nprepared query.\n\nPostgreSQL version is 9.6.3 and the backtrace is:\... |
[
{
"msg_contents": "Hi,\n\nHere is a patch for $subject. This is based on Amit's original patch \n(patch '0007-Tuple-routing-for-partitioned-tables-15.patch' in [1]). \nMain changes are:\n\n* I like Amit's idea that for each partition that is a foreign table, \nthe FDW performs query planning in the same way as... |
[
{
"msg_contents": "I've been poking into the src/test/subscription TAP tests, thinking\nthat they seem a lot slower than they ought to be. The first thing\nI came across was this bit in WaitForReplicationWorkerAttach():\n\n /*\n * We need timeout because we generally don't get notified via latch... |
[
{
"msg_contents": "Hackers,\n\nIn src/pl/plpgsql/src/pl_exec.c: exec_run_select intentionally does not\nallow a parallel plan if a portal will be returned. This has the practical\nconsequence that a common coding practice (at least for me) of doing\nsomething like:\n\ncreate function myfunc(arg1 text, arg2 tex... |
[
{
"msg_contents": "Hi,\n\nAttached patch for $subject.\n\ns/entires/entries/\n\nRegards,\n\n--\nMasahiko Sawada\nNIPPON TELEGRAPH AND TELEPHONE CORPORATION\nNTT Open Source Software Center\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp... |
[
{
"msg_contents": "Hi,\n\nWe are using Postgres version 9.3.14 over linux based OS and we are observing sh-QUIT core files randomly when we are restarting the system(occurrence seen once in 30 times).\nBacktrace is showing as below:\n\nLoaded symbols for /lib64/ld.so.1\nCore was generated by `sh -c exit 1'.\nPr... |
[
{
"msg_contents": "Hi,\n\nThe documentation says that a subscription that has a replication slot\ncannot be dropped in a transaction block, but it is not allowed even\noutside of a transaction block. Attached is a patch to fix it.\n\nRegards,\n\n-- \nYugo Nagata <nagata@sraoss.co.jp>\n\n\n\n-- \nSent via pgsql... |
[
{
"msg_contents": "Greetings pgsql-hackers,\n\nI am a GSOC student this year, my initial proposal has been discussed\nin the following thread\nhttps://www.postgresql.org/message-id/flat/7179F2FD-49CE-4093-AE14-1B26C5DFB0DA%40gmail.com\n\nPatch with COPY FROM errors handling seems to be quite finished, so\nI hav... |
[
{
"msg_contents": "The attached proposed patch changes the TAP test infrastructure's\npoll_query_until function in two ways:\n\n1. An optional argument is added to allow specifying the query result\nvalue we're waiting for, overriding the normal \"t\". This allows\nfolding a handwritten delay loop in 007_sync_... |
[
{
"msg_contents": "Hi,\n\nFor one of my personal projects I am interested in using the PostgreSQL\nplanner as a standalone library. However, I would like to run this as an\nembedded library instead of actually creating anything on disk.\n\nI've realized that postgres has several pg_operator, pg_class etc. table... |
[
{
"msg_contents": "Since I put in that patch to reduce pg_ctl's reaction time, we've\nseen several buildfarm failures with identical symptoms:\n\nhttps://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=sungazer&dt=2017-06-30%2012%3A56%3A08\nhttps://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=sungazer&dt=201... |
[
{
"msg_contents": "Yesterday I spent a bit of time on an idea that we've talked about\nbefore, which is to not run initdb over and over again in contexts like\n\"make check-world\", or even just during \"make check\" in contrib or in the\nrecovery or subscription tests. The idea would be to do it once and\nthe... |
[
{
"msg_contents": "I noticed a recent failure that looked suspiciously like a race condition:\n\nhttps://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=hornet&dt=2017-07-02%2018%3A02%3A07\n\nThe critical bit in the log file is\n\nerror running SQL: 'psql:<stdin>:1: ERROR: could not drop the replication slot \... |
[
{
"msg_contents": "While discussing the behavior of hash indexes with Bruce in the nearby\nthread [1], it has been noticed that hash index on unlogged tables\ndoesn't behave as expected. Prior to 10, it has the different set of\nproblems (mainly because hash indexes are not WAL-logged) which were\ndiscussed on... |
[
{
"msg_contents": "This old thread on \"user-based query white list\" is now nearly 10 years old!\nhttp://grokbase.com/t/postgresql/pgsql-hackers/08c6zh42fa/user-based-query-white-list\n\nSince then, is it now possible to configure a user to only be able to\nexecute a limited white-listing of queries? Is this s... |
[
{
"msg_contents": "Hello all,\n\npg_rewind throws the following error when there is a file of large\nsize available in the Slave server's data directory.\n\nunexpected result while sending file list: ERROR: value \"2148000000\"\nis out of range for type integer\nCONTEXT: COPY fetchchunks, line 2402, column be... |
[
{
"msg_contents": "Hi hackers,\n\nThis question came up again on Reddit:\nhttps://www.reddit.com/r/PostgreSQL/comments/6kyyev/i_have_hit_the_table_name_length_limit_a_number/\nand I thought I'd echo it here.\n\nI totally am on board with short, descriptive names and a good convention. \nHowever, there are just ... |
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{
"msg_contents": "I was reminded by bug #14729 that we are not very good on corner cases\ninvolving inequality operators, ie < <= > >=. Historically, the\nselectivity functions have simply not distinguished < from <= or >\nfrom >=, arguing that the fraction of the population that satisfies\nthe \"=\" aspect c... |
[
{
"msg_contents": "This comment in an error handling in ExecPartitionCheck():\n\n if (!ExecCheck(resultRelInfo->ri_PartitionCheckExpr, econtext))\n {\n char *val_desc;\n Relation orig_rel = rel;\n\n /* See the comment above. */\n if (resultRelInfo->ri_PartitionRo... |
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{
"msg_contents": "Hi,\n\nAs I am actively working on a big project I figured I'd give PGSQL 10 a\ngo, primarily because of hash indexes.\n\nPostgreSQL 10 version in use is: 10~beta2~20170620.2224-1~491.gitd412f79.pgdg+1\n\nThings are mostly well with hash indexes (plain, non-unique) giving me\na rather lovely ... |
[
{
"msg_contents": "Project: Explicitly support predicate locks in index AMs besides b-tree\n\n\nHi,\n\nDuring this week, I read documentation and source code of gin index to find\nappropriate places to insert calls to existing functions.\n\nProposal\n\nGin index consists of a Btree index over key values, where ... |
[
{
"msg_contents": "Hi,\n\nscanned_tuples variable in LVRelStats is introduced by commit b4b6923e\nbut it seems to me that it's actually not used. We store num_tuples\ninto vacrelstats->scanned_tuples after scanned all blocks, and the\ncomment mentioned that saving it in order to use later but we actually\nuse n... |
[
{
"msg_contents": "Hello PostgreSQL hackers,\n\nI was diving into CommitFest 2017-09 <https://commitfest.postgresql.org/14/>\nto help review some patches, but I was not sure which version / git commit\n/ git tag of the PostgreSQL repo I should be checked out to in order to\ncorrectly apply / test these patches.... |
[
{
"msg_contents": "Hi All,\n\nToday while exploring a bit on Range table partitioning, I could see\nthat even if scan is performed on a single partition, the plan node\nhas Append node in it. Isn't it a bug?\n\nAs per the usage of Append Node, it should only be seen in the\nqueryplan when scan is performed on m... |
[
{
"msg_contents": "Hi!\n\nPlaying around freezing tuple I found suspicious piece of code:\n\nheap_prepare_freeze_tuple():\n...\nfrz->t_infomask = tuple->t_infomask;\n...\n frz->t_infomask &= ~HEAP_XMAX_BITS;\n frz->xmax = newxmax;\n if (flags & FRM_MARK_COMMITTED)\n ... |
[
{
"msg_contents": "Hi PostgreSQL hackers,\n\nI would like to hear ideas how Pgpool-II can deal with SCRAM auth\nwhich will be in PostgreSQL 10.\n\nFor those who are not familiar with Pgpool-II[1], it is an external\nOSS project to provide some additional features to PostgreSQL,\nincluding load balancing and aut... |
[
{
"msg_contents": "On Wed, Jul 5, 2017 at 6:25 PM, Mithun Cy <mithun.cy@enterprisedb.com> wrote:\n> On Mon, Jul 3, 2017 at 3:34 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:\n>>\n>> Few comments on the latest patch:\n>>\n>> 1.\n>> + LWLockRelease(&apw_state->lock);\n>> + if (!is_bgworker)\n>> + ereport(ERROR... |
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{
"msg_contents": "Here is an example:\n\npostgres=# create table col_desc (a int, b int) partition by list (a);\npostgres=# create table col_desc_1 partition of col_desc for values in (1);\npostgres=# alter table col_desc_1 add check (b > 0);\npostgres=# create role col_desc_user;\npostgres=# grant insert on c... |
[
{
"msg_contents": "Here is a comment in ExecFindPartition() in execMain.c:\n\n /*\n * First check the root table's partition constraint, if any. No \npoint in\n * routing the tuple it if it doesn't belong in the root table itself.\n */\n\nI think that in the second sentence \"it\" just befor... |
[
{
"msg_contents": "Hi\n\nFor learning purposes (and because I probably need it) , I've started to make \nRust bindings to the pgtypes Library.\n\nOne problem I'm thinking about right now is how to know if, and where, the \nlibrary and the include files are installed. One way to avoid that problem is \nto includ... |
[
{
"msg_contents": "If a partitioned table is proven dummy, set_rel_pathlist() doesn't mark the\npartition relations dummy and thus doesn't set any (dummy) paths in the\npartition relations. The lack of paths in the partitions means that we can\nnot use partition-wise join while joining this table with some othe... |
[
{
"msg_contents": "I've seen this before while doing SET STATISTICS on a larger number of columns\nusing xargs, but just came up while doing ADD of a large number of columns.\nSeems to be roughly linear in number of children but superlinear WRT columns.\nI think having to do with catalog update / cache invalida... |
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{
"msg_contents": "I've been trying out the new partitioning in version 10. Firstly, I must \nsay this is excellent - so much nicer than the old inheritance based method!\n\nMy only niggle is the display of partitioned tables via \\d etc. e.g:\n\npart=# \\d\n List of relations\n Schema | ... |
[
{
"msg_contents": "Hi,\n\nWhile reading source code, I found that the header comment of\nstreamutil.c is not correct. I guess pg_receivelog is a mistake of\npg_receivexlog and it's an oversight when changing xlog to wal.\n\nAttached patch fixes this.\n\nRegards,\n\n--\nMasahiko Sawada\nNIPPON TELEGRAPH AND TELE... |
[
{
"msg_contents": "Hello!\n\nPostgreSQL shows very bad results in YCSB Workload A (50% SELECT and 50% UPDATE of random row by PK) on benchmarking with big number of clients using Zipfian distribution. MySQL also has decline but it is not significant as it is in PostgreSQL. MongoDB does not have decline at all. ... |
[
{
"msg_contents": "Hi,\n\n\nreplication_slot_catalog_xmin is not explictly initialized to InvalidTransactionId.\n\n\nNormally, there isn't an issue with this because a freshly mmap'd memory is zeroed, and the value of InvalidTransactionId is 0.\n\nIf the memory was not 0 for whatever reason, VACUUM would not be... |
[
{
"msg_contents": "Hi,\n\nI have done some review of subscription handling (well self-review) and\nhere is the result of that (It's slightly improved version from another\nthread [1]).\n\nI split it into several patches:\n\n0001 - Makes subscription worker exit nicely when there is subscription\nmissing (ie was... |
[
{
"msg_contents": "\n There has been some prior discussion, that we recently continued at \npgday.ru, about what to do if a client wants to use a \"strong\" \nauthentication mechanism but a rogue server forces the client to use a \nweaker authentication mechanism. This is the case if the client expects \nSC... |
[
{
"msg_contents": "Folks,\n\nUsing the script attached, I'm getting this very odd result set below.\n\nAudit records from COPY to the \"foo bar\" table aren't getting\nrecorded, but audit records from COPY to the baz table are.\n\nBest,\nDavid.\n\n\\i copy_oddity.sql \nCREATE TABLE\nCOMMENT\nCREATE FUNCTION\nCR... |
[
{
"msg_contents": "The PDF-version of the documentation has content-'frame' displayed on \nthe left-hand side (I'm viewing with okular; I assmume it will be \nsimilar in most viewers).\n\nThat content displays a treeview down to the main entries/lemmata, like \n'CREATE TABLE'. It doesn't go any deeper anymore.... |
[
{
"msg_contents": "Hello,\n\nI found a typo while reading the source repository documentation:\nhttps://www.postgresql.org/docs/devel/static/sourcerepo.html\n\nAttached patch fixes it.\n\nCheers\nMartin Mai\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your sub... |
[
{
"msg_contents": "Sorry for report late. Our lab's machines crashed for several days. \n\n\nAs I reported in the last email,\n https://www.postgresql.org/message-id/5b6b452.16851.15cf1ec010e.Coremail.liu-mx15@mails.tsinghua.edu.cn\nI tried to decrease the contention on SerializableFinishedListLock. \nIt works ... |
[
{
"msg_contents": "Hello,\n\nDespite the addition of SCRAM authentification to PostgreSQL 10, MITM \nattack can be performed by saying that the server supports, for example, \nonly md5 authentication. The possible solution for it is checking \nauthentification method on a client side and reject connections that... |
[
{
"msg_contents": "Allow multiple hostaddrs to go with multiple hostnames.\n\nAlso fix two other issues, while we're at it:\n\n* In error message on connection failure, if multiple network addresses\nwere given as the host option, as in \"host=127.0.0.1,127.0.0.2\", the\nerror message printed the address twice.... |
[
{
"msg_contents": "The following bug has been logged on the website:\n\nBug reference: 14738\nLogged by: Michal L\nEmail address: fcs1@poczta.onet.pl\nPostgreSQL version: 9.4.1\nOperating system: Windows 7 x64 Pro\nDescription: \n\nHello,\r\n\r\nCommand like this doesn't take effect:... |
[
{
"msg_contents": "Hi, all!\n\nIt seems to me that we're allocating shared memory for SLRU lwlocks twice,\nunless I'm missing something.\n\nSimpleLruShmemSize() calculates total SLRU shared memory size including\nlwlocks size.\n\nSimpleLruInit() starts with line\n\nshared = (SlruShared) ShmemInitStruct(name,\n ... |
[
{
"msg_contents": "I've created a new Wiki page that describes a scheme for normalizing\ninternal page items within B-Tree indexes, and the many optimizations\nthat this can enable:\n\nhttps://wiki.postgresql.org/wiki/Key_normalization\n\nKey normalization means creating a representation for internal page\nitem... |
[
{
"msg_contents": "If I have a slow function which is evaluated in a simple seq scan, I do not\nget parallel execution, even though it would be massively useful. Unless\nforce_parallel_mode=ON, then I get a dummy parallel plan with one worker.\n\nexplain select aid,slow(abalance) from pgbench_accounts;\n\nCREA... |
[
{
"msg_contents": "Hello.\n\nI noticed that a comment above StandbyAcquireAccessExclusiveLock\nin backend/storage/ipc/standby.c using wrong names of a variable\nand a type.\n\nThe attached patch fixes it. The same mistake is found in older\nversions back to 9.0.\n\nfix_typo_of_standby_c_10_master.patch is for 1... |
[
{
"msg_contents": "Project: Explicitly support predicate locks in index AMs besides b-tree\n\n\nI have done following tasks during this week.\n\n1) worked on how to detect rw conflicts when fast update is enabled\n\n2) created tests for different gin operators\n\n3) went through some patches on commitfest to re... |
[
{
"msg_contents": "Over in\nhttps://www.postgresql.org/message-id/877ezgyn60.fsf@metapensiero.it\nthere's a gripe about array_agg() not working for a domain type.\nIt fails because we don't create an array type over a domain type,\nso the parser can't identify a suitable output type for the polymorphic\naggrega... |
[
{
"msg_contents": "I started to look into allowing domains over composite types, which is\nanother never-implemented case that there's no very good reason not to\nallow. Well, other than the argument that the SQL standard only allows\ndomains over \"predefined\" (built-in) types ... but we blew past that\nrest... |
[
{
"msg_contents": "Greetings,\n\n\nI have SPGist and Gist index are built on 2d points. I'm wondering does spgist/gist track the bounding box of each leaf page (data block)?\n\nand if yes, how can I access it\n\n\n\nBest Regards\n---\nAmira Shawky Mohamed\nTA at Computer Dept.\nFaculty of Engineering\nCairo Uni... |
[
{
"msg_contents": "Hi,\n\n From the triviality department: I noticed some branches in\ntab-complete.c's gargantuan if statement, mostly brand new, that break\nfrom the established brace style. Should we fix that like this?\n\n-- \nThomas Munro\nhttp://www.enterprisedb.com\n\n\n\n-- \nSent via pgsql-hackers mai... |
[
{
"msg_contents": "I maintain static libraries for libpq for the R programming language\n(we need static linking to ship with the binary packages).\nUnfortunately currently the standard postgres makefile only generates\na shared library for libpq, not a static one.\n\nIn order to make a static library I always ... |
[
{
"msg_contents": "Hi\n\nOn MacOS, I configured PG10 beta2 sources with '--with-icu\" option along\nwith ICU_LIBS and ICU_CFLAGS env variables to define the location of the\nICU libs that I built. Once the staging is ready, I executed initdb but it\nfails with the following error:\n--\n$./initdb -D /tmp/data\nT... |
[
{
"msg_contents": "Hi,\n\nI compiled PG 10 beta1/beta2 with \"--with-perl\" option on Windows and the\nextension crashes the database.\n--\npostgres=# create extension plperl;\nserver closed the connection unexpectedly\nThis probably means the server terminated abnormally\nbefore or while processing the request... |
[
{
"msg_contents": "Hi hackers,\n\nCommit e8fdbd58fe564a29977f4331cd26f9697d76fc40 introduced fallback\natomic u64 support. PG_HAVE_ATOMIC_U64_SUPPORT now always finishes up\ndefined so it is pointless to test for it in dsa.h. Here's a patch to\nremove the obsolete test and comment.\n\nThat raises the question... |
[
{
"msg_contents": "(Not sure whether I should be sending this to hackers or somewhere else,\nlet me know if I should move, feel like I should say long time listener\nfirst time caller or something)\n\nI encountered some unexpected behavior when debugging a query that was\ntaking longer than expected, basically,... |
[
{
"msg_contents": "Hi,\n\nHappened to stumble across some instances of lfirst() which could use\nlfirst_node() in planner.c. Here's patch which replaces calls to\nlfirst() extracting node pointers by lfirst_node() in planner.c. I\nhave covered all the occurences of lfirst() except\n1. those extract generic poin... |
[
{
"msg_contents": "The description of \\d[S+] currently does not mention that it will list\nmaterialized views and foreign tables. Attached fixes that.\n\nThanks,\nAmit\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\nhttp://www.postgresql.o... |
[
{
"msg_contents": "Hi,\n\nAttached patch for $subject.\n\ns/reporing/reporting/g\n\nRegards,\n\n--\nMasahiko Sawada\nNIPPON TELEGRAPH AND TELEPHONE CORPORATION\nNTT Open Source Software Center\n\n\n\n-- \nSent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)\nTo make changes to your subscription:\n... |
[
{
"msg_contents": "Hi hackers,\n\nA customer asked how to use pg_hba.conf LDAP search+bind\nauthentication to restrict logins to users in one of a small number of\ngroups. ldapsearchattribute only lets you make filters like\n\"(foo=username)\", so it couldn't be done. Is there any reason we\nshould allow a mo... |
[
{
"msg_contents": "In most places, you can write CAST(x AS t) and x::t interchangeably.\nBut that doesn't work for function-in-FROM. This is OK: \n\nselect * from cast(fdc() as complex);\n\nbut this is not:\n\nselect * from fdc()::complex;\nERROR: syntax error at or near \"::\"\n\nI just realized that this is... |
[
{
"msg_contents": "Somebody decided they could add a new primnode type without bothering to\nbuild out very much infrastructure for it. Thus:\n\nregression=# create table foo (f1 int, f2 int generated always as identity);\nCREATE TABLE\nregression=# insert into foo values(1);\nINSERT 0 1\nregression=# explain ... |
[
{
"msg_contents": "Hi all,\n\nWhile looking at a user problem, I got surprised that pg_dumpall does\nnot have a -E switch. This has been discussed a bit in the past like\nhere:\nhttps://www.postgresql.org/message-id/75E4C42D37E6A74E9FB57C2E9F1300D60107073E@tiger.nexperience.com\n\nNow it is possible to enforce ... |
[
{
"msg_contents": "A customer of ours reported a problem in 9.3.14 while inserting tuples\nin a table with a foreign key, with many concurrent transactions doing\nthe same: after a few insertions worked sucessfully, a later one would\nreturn failure indicating that the primary key value was not present in\nthe ... |
[
{
"msg_contents": "There was a number of improvements to tuplesort.c external sort\nmerging made for Postgres 10. One in particular, the changes to merge\nheap maintenance that occurred for commit 24598337c8d, really helped\nwith presorted cases -- cases when there was an (inverse)\nphysical/logical correlation... |
[
{
"msg_contents": "Hello,\n\nSince b8d7f053c5c2bf2a7e8734fe3327f6a8bc711755 (Andres in Cc), if you\nwrite queries which result in infinite recursion (or just too many\nnested function calls), execution ends with segfault instead of intended\nexhausted max_stack_depth:\n\nProgram received signal SIGSEGV, Segment... |
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