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* Fix pg_dump's failure to honor dependencies of SQL functions.Tom Lane2023-06-04
| | | | | | | | | | | | | | | | | | | A new-style SQL function can contain a parse-time dependency on a unique index, much as views and matviews can (such cases arise from GROUP BY and ON CONFLICT clauses, for example). To dump and restore such a function successfully, pg_dump must postpone the function until after the unique index is created, which will happen in the post-data part of the dump. Therefore we have to remove the normal constraint that functions are dumped in pre-data. Add code similar to the existing logic that handles this for matviews. I added test cases for both as well, since code coverage tests showed that we weren't testing the matview logic. Per report from Sami Imseih. Back-patch to v14 where new-style SQL functions came in. Discussion: https://postgr.es/m/2C1933AB-C2F8-499B-9D18-4AC1882256A0@amazon.com
* Fix misuse of pg_log_info() for details/hints.Tom Lane2023-06-04
| | | | | | | | | | | | | | | | | Two places in pg_dump_sort.c were using pg_log_info() to add more details to a message printed with pg_log_warning(). This is bad, because at default verbosity level we would print the warning line but not the details. One should use pg_log_warning_detail() or pg_log_warning_hint() instead. Commit 9a374b77f got rid of most such abuses, but unaccountably missed these. Noted while studying a bug report from Sami Imseih. Back-patch to v15 where 9a374b77f came in. (Prior versions don't have the missing-details misbehavior, for reasons I didn't bother to track down.) Discussion: https://postgr.es/m/2C1933AB-C2F8-499B-9D18-4AC1882256A0@amazon.com
* doc: Add note to prevent server spoofing with SCRAMMichael Paquier2023-06-03
| | | | | | | | | The set of recommendations added in the documentation with this commit helps in avoiding SCRAM exchanges with untrusted servers. Author: Jacob Champion, Jonathan Katz Reviewed-by: Stephen Frost, Daniel Gustafsson, Michael Paquier Discussion: https://postgr.es/m/CAAWbhmg5Gh0JetNbQi7z0yOsdsN9YECv8GoY-QBGBBiip9+JOw@mail.gmail.com
* doc: PG 16 relnotes, add psql \df+ source code changeBruce Momjian2023-06-01
| | | | | | Reported-by: bzm@2bz.de Discussion: https://postgr.es/m/17957-e1db8b1c15af444a@postgresql.org
* doc: add missing "the" in LATERAL sentence.Bruce Momjian2023-06-01
| | | | Backpatch-through: 11
* doc: PG 16 relnotes, move memory item and reword OUTER itemBruce Momjian2023-05-31
| | | | | | Reported-by: David Rowley Discussion: https://postgr.es/m/CAApHDvqmqxcX2n9NwvsfnsN0be6DjmyLSjz3Jk2DaZO5OLW+pw@mail.gmail.com
* doc: PG 16 relnotes, add memory overhead reduction itemBruce Momjian2023-05-30
| | | | | | Reported-by: David Rowley Discussion: https://postgr.es/m/CAApHDvqnUoyrJxS4uqnKo87b3_cUjaDDte4NQag49YHu1oEOgA@mail.gmail.com
* doc: PG 16 relnotes, adjust subscription origin mentionBruce Momjian2023-05-30
| | | | | | Reported-by: Masahiko Sawada Discussion: https://postgr.es/m/CAD21AoC+VihMWs3-xVB3Z=8LzLbsQc52TO29o25rzfqcnJDCUQ@mail.gmail.com
* doc: PG 16 relnotes, adjust auto_explain logging itemBruce Momjian2023-05-30
| | | | | | Reported-by: Dagfinn Ilmari Mannsåker Discussion: https://postgr.es/m/878rdctb7o.fsf@wibble.ilmari.org
* doc: Add missing backend_type to pg_stat_activityDaniel Gustafsson2023-05-30
| | | | | | | | | Commit 0c679464a8 added the missing backendDesc for B_STANDALONE_BACKEND but missed updating the list of backend types in the documentation. Fix by adding it to the list. Author: Noriyoshi Shinoda <noriyoshi.shinoda@hpe.com> Discussion: https://postgr.es/m/DM4PR84MB1734ECEA02BCB59564E8FC03EE4A9@DM4PR84MB1734.NAMPRD84.PROD.OUTLOOK.COM
* doc: PG 16 relnotes: adjust outer/full hash join parallelizationBruce Momjian2023-05-29
| | | | | | Reported-by: David Rowley Discussion: https://postgr.es/m/CAApHDvph4djrP+zjOK67VcgbB_p9Zn8QoO7Qctt4oQgUC_ejEw@mail.gmail.com
* doc: PG 16 relnotes, fix duplicate author and commitBruce Momjian2023-05-29
| | | | | | Reported-by: Masahiko Sawada Discussion: https://postgr.es/m/CAD21AoALE_joh=H-j5sdaAfDs=BXtCy6BQKYZBTi=neU8k0VFw@mail.gmail.com
* doc: PG 16 relnotes, fix "locale" typo and windows locale textBruce Momjian2023-05-27
| | | | | | Reported-by: Laurenz Albe, Álvaro Herrera Discussion: https://postgr.es/m/70a09a9fa557b632f4b1505395aaa6c4cb77b55a.camel@cybertec.at
* ICU: use uloc_getDefault() for initdb.Jeff Davis2023-05-26
| | | | | | | | Simpler, and better preserves the locale name as read from the environment. Author: Daniel Verite Discussion: https://postgr.es/m/a6204a46-c077-451b-8f9d-8965d95bb57c@manitou-mail.org
* Fix joinclause removal logic to cope with cloned clauses.Tom Lane2023-05-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we're deleting a no-op LEFT JOIN from the query, we must remove the join's joinclauses from surviving relations' joininfo lists. The invention of "cloned" clauses in 2489d76c4 broke the logic for that; it'd fail to remove clones that include OJ relids outside the doomed join's min relid sets, which could happen if that join was previously discovered to commute with some other join. This accidentally failed to cause problems in the majority of cases, because we'd never decide that such a cloned clause was evaluatable at any surviving join. However, Richard Guo discovered a case where that did happen, leading to "no relation entry for relid" errors later. Also, adding assertions that a non-removed clause contains no Vars from the doomed join exposes that there are quite a few existing regression test cases where the problem happens but is accidentally not exposed. The fix for this is just to include the target join's commute_above_r and commute_below_l sets in the relid set we test against when deciding whether a join clause is "pushed down" and thus not removable. While at it, do a little refactoring: the join's relid set can be computed inside remove_rel_from_query rather than in the caller. Patch by me; thanks to Richard Guo for review. Discussion: https://postgr.es/m/CAMbWs4_PHrRqTKDNnTRsxxQy6BtYCVKsgXm1_gdN2yQ=kmcO5g@mail.gmail.com
* Doc fixes for commit 1e16af8ab5.Jeff Davis2023-05-25
| | | | Discussion: https://postgr.es/m/275c47ea-e7f3-e654-c99a-63bc116997d7@enterprisedb.com
* nbtree VACUUM: cope with right sibling link corruption.Peter Geoghegan2023-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid "right sibling's left-link doesn't match" errors when vacuuming a corrupt nbtree index. Just LOG the issue and press on. That way VACUUM will have a decent chance of finishing off all required processing for the index (and for the table as a whole). This error was seen in the field from time to time (it's more than a theoretical risk), so giving VACUUM the ability to press on like this has real value. Nothing short of a REINDEX is expected to fix the underlying index corruption, so giving up (by throwing an error) risks making a bad situation far worse. Anything that blocks forward progress by VACUUM like this might go unnoticed for a long time. This could eventually lead to a wraparound/xidStopLimit outage. Note that _bt_unlink_halfdead_page() has always been able to bail on page deletion when the target page's left sibling page was in an inconsistent state. It now does the same thing (returns false to back out of the second phase of deletion) when it notices sibling link corruption in the target page's right sibling page. This is similar to the work from commit 5b861baa (later backpatched as commit 43e409ce), which taught nbtree to press on with vacuuming an index when page deletion fails to "re-find" a downlink in the target page's parent page. The "re-find" check seems to make VACUUM bail on page deletion more often in practice, but there is no reason to take any chances here. Author: Peter Geoghegan <pg@bowt.ie> Reviewed-By: Heikki Linnakangas <hlinnaka@iki.fi> Discussion: https://postgr.es/m/CAH2-Wzko2q2kP1+UvgJyP9g0mF4hopK0NtQZcxwvMv9_ytGhkQ@mail.gmail.com Backpatch: 11- (all supported versions).
* Fix filtering of "cloned" outer-join quals some more.Tom Lane2023-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | We've had multiple issues with the clause_is_computable_at logic that I introduced in 2489d76c4: it's been known to accept more than one clone of the same qual at the same plan node, and also to accept no clones at all. It's looking impractical to get it 100% right on the basis of the currently-stored information, so fix it by introducing a new RestrictInfo field "incompatible_relids" that explicitly shows which outer joins a given clone mustn't be pushed above. In principle we could populate this field in every RestrictInfo, but that would cost space and there doesn't presently seem to be a need for it in general. Also, while deconstruct_distribute_oj_quals can easily fill the field with the remaining members of the commutative join set that it's considering, computing it in the general case seems again pretty complicated. So for now, just fill it for clone quals. Along the way, fix a bug that may or may not be only latent: equivclass.c was generating replacement clauses with is_pushed_down and has_clone/is_clone markings that didn't match their required_relids. This led me to conclude that leaving the clone flags out of make_restrictinfo's purview wasn't such a great idea after all, so add them. Per report from Richard Guo. Discussion: https://postgr.es/m/CAMbWs48EYi_9-pSd0ORes1kTmTeAjT4Q3gu49hJtYCbSn2JyeA@mail.gmail.com
* doc: fix typo in language tag documentationDaniel Gustafsson2023-05-25
| | | | Commit 1e16af8ab5 accidentally mistyped 'language' in one place.
* doc: Fix example query for pg_walinspectDaniel Gustafsson2023-05-25
| | | | | | | | | The LIMIT clause had ended up in the wrong place in the query. Backpatch to v15 where pg_walinspect was introduced. Reported-by: Jian He <jian.universality@gmail.com> Discussion: https://postgr.es/m/CACJufxHqXDr4NnmwmR6pEiVPAg54J0dgwMuYQzrH5BX6+NtF1g@mail.gmail.com Backpatch-through: 15
* Fix pgbench in prepared mode with an empty pipelineAlvaro Herrera2023-05-25
| | | | | | | | It crashes because it references memory that's not allocated in that particular case. Fix by allocating it. Reported-by: Alexander Lakhin <exclusion@gmail.com> Discussion: https://postgr.es/m/bcf802a6-afc1-95b9-7bf4-c5dd868ec144@gmail.com
* Fix typo in TAP tests of vacuumdbMichael Paquier2023-05-25
| | | | Noticed while scanning the area, introduced in 582edc3.
* doc: PG 16 relnotes, add author from previous mergeBruce Momjian2023-05-24
| | | | | | Reported-by: John Naylor Discussion: https://postgr.es/m/CAFBsxsEMoNdg6CCMuQ-6YJ8G=AgGNMVuiTb5Di5bsoPfBb=9CA@mail.gmail.com
* doc: PG 16 relnotes, wording adjustmentsBruce Momjian2023-05-24
| | | | | | Reported-by: Erik Rijkers Discussion: https://postgr.es/m/c4a88acf-ab1a-a912-d4a9-5e19b323c5ed@xs4all.nl
* doc: PG 16 relnotes, merge and move vector itemsBruce Momjian2023-05-24
| | | | | | Reported-by: John Naylor Discussion: https://postgr.es/m/CAFBsxsEPg8L2MmGqavc8JByC=WF_Mnkhn-KKnFPkcqh0hydung@mail.gmail.com
* doc: PG 16 relnotes, update xid/subxid searches itemBruce Momjian2023-05-24
| | | | | | Reported-by: John Naylor Discussion: https://postgr.es/m/CAFBsxsEPg8L2MmGqavc8JByC=WF_Mnkhn-KKnFPkcqh0hydung@mail.gmail.com
* Document deprecated createuser option.Nathan Bossart2023-05-23
| | | | | | | | | | | | 2dcd1578c4 left the --role option undocumented, which is inconsistent with other deprecated options such as pg_dump's --blobs and --no-blobs. This change adds --role back to createuser's documentation and usage output and marks it as deprecated. Suggested-by: Peter Eisentraut Reviewed-by: Michael Paquier Discussion: https://postgr.es/m/0e85c9e7-4804-1cdb-5a4a-c72c328f9ad8%40enterprisedb.com
* Doc: update src/tools/pginclude/README.Tom Lane2023-05-23
| | | | | | | | | Commit f62975b2a made headerscheck and cpluspluscheck a little smarter than this documentation gave them credit for. Make their docs match current reality. Also add a warning about the layer of dust that has settled on the rest of these scripts. Discussion: https://postgr.es/m/769950.1684797558@sss.pgh.pa.us
* Fix the install rule for snowball_create.sql.Tom Lane2023-05-23
| | | | | | | | | | | | | | | | This file could be in the current (build) directory if we just built it. However, when installing from a VPATH build from a tarball, it will exist in the source directory and gmake will therefore not rebuild it. Use the $< macro to find out where gmake found it. Oversight in b3a0d8324, which also exposes a buildfarm testing gap: we test install from VPATH builds from bare source trees, but not from tarballs. Per report from Christoph Berg. Discussion: https://postgr.es/m/ZGzEAqjxkkoY3ooH@msg.df7cb.de
* Use lower case for icu_validation_level valuesPeter Eisentraut2023-05-23
| | | | Similar to client_min_messages etc.
* Punctuation improvement in postgresql.conf.samplePeter Eisentraut2023-05-23
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* Add newline at end of filePeter Eisentraut2023-05-23
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* doc: PG 16 relnotes, SIMD improvementsBruce Momjian2023-05-23
| | | | | | Reported-by: John Naylor Discussion: https://postgr.es/m/CAFBsxsEuAx4_nq=200u=70S5r83C2hzO-a9+c6YXTCbOFeDAfw@mail.gmail.com
* Stamp 16beta1.REL_16_BETA1Tom Lane2023-05-22
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* doc: PG 16 relnotes, add major features listBruce Momjian2023-05-22
| | | | | | Reported-by: Jonathan Katz Discussion: https://postgr.es/m/2fd2cc0e-df39-3e77-8fcf-35aad5796b0a@postgresql.org
* Spell the values of libpq's gssdelegation parameter as "0" and "1".Tom Lane2023-05-22
| | | | | | | | | | | | | That's how other boolean options are handled, so do likewise. The previous coding with "enable" and "disable" was seemingly modeled on gssencmode, but that's a three-way flag. While at it, add PGGSSDELEGATION to the set of environment variables cleared by pg_regress and Utils.pm. Abhijit Menon-Sen, per gripe from Alvaro Herrera Discussion: https://postgr.es/m/20230522091609.nlyuu4nolhycqs2p@alvherre.pgsql
* doc: PG 16 relnotes, improve desc. of pg_log_standby_snapshot()Bruce Momjian2023-05-22
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* Translation updatesPeter Eisentraut2023-05-22
| | | | | Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git Source-Git-Hash: 642d41265b1ea68ae71a66ade5c5440ba366a890
* pg_dump doc: mention 'long' is valid for --compressAlvaro Herrera2023-05-22
| | | | Apparently an oversight in 2820adf7755d.
* doc: PG 16 relnotes, improve description of standby log. decodeBruce Momjian2023-05-21
| | | | Improve description of "Allow logical decoding on standbys".
* Rename some createuser options.Nathan Bossart2023-05-21
| | | | | | | | | | | | This change renames --admin to --with-admin, --role to --member-of, and --member to --with-member. Many people found the previous names to be confusing. The --admin and --member options are new in v16, but --role has been there for a while, so that one has been kept (but left undocumented) for backward compatibility. Suggested-by: Peter Eisentraut Reviewed-by: Tom Lane, Michael Paquier Discussion: https://postgr.es/m/ZFvVZvQDliIWmOwg%40momjian.us
* doc: PG 16 relnotes, misc merged items and bootstrap detailBruce Momjian2023-05-21
| | | | | | Reported-by: Andres Freund, jian he Discussion: https://postgr.es/m/20230521171341.jjxykfsefsek4kzj@awork3.anarazel.de, 20230521171341.jjxykfsefsek4kzj@awork3.anarazel.de
* doc: PG 16 relnotes, misc. updatesBruce Momjian2023-05-21
| | | | | | Reported-by: Tom Lane Discussion: https://postgr.es/m/277016.1684689065@sss.pgh.pa.us
* In clause_is_computable_at(), test required_relids for clone clauses.Tom Lane2023-05-21
| | | | | | | | | | | | | | | | | | | | Use the clause's required_relids not clause_relids for testing whether it is computable at the current join level, if it is a clone clause generated by deconstruct_distribute_oj_quals(). Arguably, this is more correct and we should do it for all clauses; that would at least remove the handwavy claim that we are doing it to save cycles compared to inspecting Vars individually. However, attempting to do that exposes that we are not being careful to compute an accurate value for required_relids in all cases. I'm unsure whether it's a good idea to attempt to do that for v16, or leave it as future clean-up. In the meantime, this quick hack demonstrably fixes some cases, so let's squeeze it in for beta1. Patch by me, but great thanks to Richard Guo for investigation and testing. The new test cases are all modeled on his examples. Discussion: https://postgr.es/m/CAMbWs4-_vwkBij4XOQ5ukxUvLgwTm0kS5_DO9CicUeKbEfKjUw@mail.gmail.com
* Remove over-eager assertion in ExtendBufferedRelTo()Andres Freund2023-05-21
| | | | | | | | | | | | | | | The assertion checked that the size of the relation is not "too large" - but the code is explicitly dealing with the possibility of another backend extending the relation concurrently. In that case the new relation size could be bigger than what the current backend needs, wrongly triggering an assertion failure. Unfortunately it is hard to write a reliable and affordable regression tests for this, as a lot of concurrency is needed to encounter the bug. Introduced in 31966b151e6a. Reported-by: Melanie Plageman <melanieplageman@gmail.com>
* Optimize walsender wake up logic using condition variablesAndres Freund2023-05-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | WalSndWakeup() currently loops through all the walsenders slots, with a spinlock acquisition and release for every iteration, to wake up waiting walsenders. This commonly was not a problem before e101dfac3a53c. But, to allow logical decoding on standbys, we need to wake up logical walsenders after every WAL record is applied on the standby, rather just when flushing WAL or switching timelines. This causes a performance regression for workloads replaying a lot of WAL records. To solve this, we use condition variable (CV) to efficiently wake up walsenders in WalSndWakeup(). Every walsender prepares to sleep on a shared memory CV. Note that it just prepares to sleep on the CV (i.e., adds itself to the CV's waitlist), but does not actually wait on the CV (IOW, it never calls ConditionVariableSleep()). It still uses WaitEventSetWait() for waiting, because CV infrastructure doesn't handle FeBe socket events currently. The processes (startup process, walreceiver etc.) wanting to wake up walsenders use ConditionVariableBroadcast(), which in turn calls SetLatch(), helping walsenders come out of WaitEventSetWait(). We use separate shared memory CVs for physical and logical walsenders for selective wake ups, see WalSndWakeup() for more details. This approach is simple and reasonably efficient. But not very elegant. But for 16 it seems to be a better path than a larger redesign of the CV mechanism. A desirable future improvement would be to add support for CVs into WaitEventSetWait(). This still leaves us with a small regression in very extreme workloads (due to the spinlock acquisition in ConditionVariableBroadcast() when there are no waiters) - but that seems acceptable. Reported-by: Andres Freund <andres@anarazel.de> Suggested-by: Andres Freund <andres@anarazel.de> Author: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com> Reviewed-by: "Drouvot, Bertrand" <bertranddrouvot.pg@gmail.com> Reviewed-by: Zhijie Hou <houzj.fnst@fujitsu.com> Discussion: https://www.postgresql.org/message-id/20230509190247.3rrplhdgem6su6cg%40awork3.anarazel.de
* doc: PG 16 relnotes, add commitsBruce Momjian2023-05-21
| | | | | | Reported-by: Ian Lawrence Barwick Discussion: https://postgr.es/m/CAB8KJ=hLvQDb53WdigV7OBEBh5tzQ7eA=pG0ZpccoRVBUNCXYA@mail.gmail.com
* Doc: fix some rendering problems in the PDF docs build.Tom Lane2023-05-21
| | | | | | | | Tweak column widths in a couple of tables to avoid "contents ... exceed the available area" warnings. Remove usage of some non-Latin-1 characters. Discussion: https://postgr.es/m/614600.1684537037@sss.pgh.pa.us
* Expand some more uses of "deleg" to "delegation" or "delegated".Tom Lane2023-05-21
| | | | | | | | | | Complete the task begun in 9c0a0e2ed: we don't want to use the abbreviation "deleg" for GSS delegation in any user-visible places. (For consistency, this also changes most internal uses too.) Abhijit Menon-Sen and Tom Lane Discussion: https://postgr.es/m/949048.1684639317@sss.pgh.pa.us
* Fix remaining references to gss_accept_deleg.Nathan Bossart2023-05-20
| | | | | | These were missed in 9c0a0e2ed9. Discussion: https://postgr.es/m/20230521031757.GA3835667%40nathanxps13
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