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* Avoid breaking SJIS encoding while de-backslashing Windows paths.Tom Lane2025-01-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When running on Windows, canonicalize_path() converts '\' to '/' to prevent confusing the Windows command processor. It was doing that in a non-encoding-aware fashion; but in SJIS there are valid two-byte characters whose second byte matches '\'. So encoding corruption ensues if such a character is used in the path. We can fairly easily fix this if we know which encoding is in use, but a lot of our utilities don't have much of a clue about that. After some discussion we decided we'd settle for fixing this only in psql, and assuming that its value of client_encoding matches what the user is typing. It seems hopeless to get the server to deal with the problematic characters in database path names, so we'll just declare that case to be unsupported. That means nothing need be done in the server, nor in utility programs whose only contact with file path names is for database paths. But psql frequently deals with client-side file paths, so it'd be good if it didn't mess those up. Bug: #18735 Reported-by: Koichi Suzuki <koichi.suzuki@enterprisedb.com> Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Koichi Suzuki <koichi.suzuki@enterprisedb.com> Discussion: https://postgr.es/m/18735-4acdb3998bb9f2b1@postgresql.org Backpatch-through: 13
* Make BufferIsExclusiveLocked and BufferIsDirty work for local buffers.Tom Lane2025-01-29
| | | | | | | | | | | | | | | | | These functions tried to check the state of the buffer's content lock even for local buffers. Since we don't use the content lock for a local buffer, that would lead to a "false" result from LWLockHeldByMeInMode, which would mean a misleading "false" answer from BufferIsExclusiveLocked (we'd rather that case always return "true") or an assertion failure in BufferIsDirty. The core code never applies these two functions to local buffers, and apparently no extensions do either, since we've not heard complaints. Still, in the name of future-proofing, let's fix them to act as though a pinned local buffer is content-locked. Author: Srinath Reddy <srinath2133@gmail.com> Discussion: https://postgr.es/m/19396ef77f8.1098c4a1810508.2255483659262451647@zohocorp.com
* Fix grammatical typos around possessive "its"John Naylor2025-01-29
| | | | | | | | Some places spelled it "it's", which is short for "it is". In passing, fix a couple other nearby grammatical errors. Author: Jacob Brazeal <jacob.brazeal@gmail.com> Discussion: https://postgr.es/m/CA+COZaAO8g1KJCV0T48=CkJMjAnnfTGLWOATz+2aCh40c2Nm+g@mail.gmail.com
* Revert "Speed up tail processing when hashing aligned C strings, take two"John Naylor2025-01-29
| | | | | | | | | | | This reverts commit a365d9e2e8c1ead27203a4431211098292777d3b. Older versions of Valgrind raise an error, so go back to the bytewise loop for the final word in the input. Reported-by: Anton A. Melnikov <a.melnikov@postgrespro.ru> Discussion: https://postgr.es/m/a3a959f6-14b8-4819-ac04-eaf2aa2e868d@postgrespro.ru Backpatch-through: 17
* Improve test coverage of network address functionsMichael Paquier2025-01-29
| | | | | | | | | | | | | | | | The following functions were not covered by any tests: - abbrev(inet) - set_masklen(cidr) - set_masklen(inet) - netmask(inet) - hostmask(inet) While on it, this improves the output of some of the existing queries in the test inet to use better aliases. Author: Aleksander Alekseev Reviewed-by: Jacob Champion, Keisuke Kuroda, Tom Lane Discussion: https://postgr.es/m/CAJ7c6TOyZ9bGNrDK6Z3Q0gr9ow8ZpOm+=+01mpE0dsdH4C+u9A@mail.gmail.com
* Rename pubgencols_type to pubgencols in pg_publication.Amit Kapila2025-01-28
| | | | | | | | | | | The column added in commit e65dbc9927, pubgencols_type, was inconsistent with the naming conventions of other columns in the pg_publication catalog. Author: Vignesh C <vignesh21@gmail.com> Reviewed-by: Amit Kapila <amit.kapila16@gmail.com> Reviewed-by: Peter Smith <smithpb2250@gmail.com> Discussion: https://postgr.es/m/CALDaNm1u-ufVOW-RUsXSooqzkpohxfZYy=z78fbcr_9Pq5hbCg@mail.gmail.com
* Track per-relation cumulative time spent in [auto]vacuum and [auto]analyzeMichael Paquier2025-01-28
| | | | | | | | | | | | | | | | | | | This commit adds four fields to the statistics of relations, aggregating the amount of time spent for each operation on a relation: - total_vacuum_time, for manual vacuum. - total_autovacuum_time, for vacuum done by the autovacuum daemon. - total_analyze_time, for manual analyze. - total_autoanalyze_time, for analyze done by the autovacuum daemon. This gives users the option to derive the average time spent for these operations with the help of the related "count" fields. Bump catalog version (for the catalog changes) and PGSTAT_FILE_FORMAT_ID (for the additions in PgStat_StatTabEntry). Author: Sami Imseih Reviewed-by: Bertrand Drouvot, Michael Paquier Discussion: https://postgr.es/m/CAA5RZ0uVOGBYmPEeGF2d1B_67tgNjKx_bKDuL+oUftuoz+=Y1g@mail.gmail.com
* Print out error position for some ALTER TABLE ALTER COLUMN typeMichael Paquier2025-01-27
| | | | | | | | | | | | | A ParseState exists in ATPrepAlterColumnType() since its introduction in 077db40fa1f3, and it has never relied on a query string that could be used to point at a location in the origin string on error. The output of some regression tests are updated, showing the error location where applicable. Six error strings are upgraded with the error location. Author: Jian He Discussion: https://postgr.es/m/CACJufxGfbPfWLjcEz33G9eW_epDW0UDi2H05i9eSTPKGJ4rxSA@mail.gmail.com
* pg_amcheck: Fix test failure on Windows with non-existing roleMichael Paquier2025-01-27
| | | | | | | | | | | | | | | | | | | For SSPI auth extra users need to be explicitly allowed, or we get "SSPI authentication failed" instead of the expected "role does not exist" error. This report also means that the test has never worked on Windows since its introduction in 9706092839db, because it has always bumped on an authentication failure rather than an error about the role not existing. Oversight in eef4a33f62f7, that has added a pattern check on the error generated by the command. Per report from Tom Lane, via buildfarm member drongo. Author: Dagfinn Ilmari Mannsåker Reviewed-by: Andrew Dunstan Discussion: https://postgr.es/m/379085.1737734611@sss.pgh.pa.us
* Test postmaster with program_options_handling_ok() et al.Noah Misch2025-01-26
| | | | | | | | | | Most executables already get that testing. To occupy the customary 001_basic.pl name, this renumbers the new-in-October tests of src/test/postmaster/t. Reviewed by Thomas Munro. Discussion: https://postgr.es/m/20241215022701.a1.nmisch@google.com
* Add missing CommandCounterIncrementÁlvaro Herrera2025-01-26
| | | | | | | | | | | | For commit b663b9436e75 I thought this was useless, but turns out not to be for the case where a partitioned table has two identical foreign key constraints which can both be matched by the same constraint in a partition during attach. This CCI makes the match search for the second constraint in the parent ignore the constraint in the child that has already been matched by the first constraint in the parent. Reported-by: Alexander Lakhin <exclusion@gmail.com> Discussion: https://postgr.es/m/c599253c-1ccd-4161-80fc-c9065e037a09@gmail.com
* At update of non-LP_NORMAL TID, fail instead of corrupting page header.Noah Misch2025-01-25
| | | | | | | | | | | | | | | | The right mix of DDL and VACUUM could corrupt a catalog page header such that PageIsVerified() durably fails, requiring a restore from backup. This affects only catalogs that both have a syscache and have DDL code that uses syscache tuples to construct updates. One of the test permutations shows a variant not yet fixed. This makes !TransactionIdIsValid(TM_FailureData.xmax) possible with TM_Deleted. I think core and PGXN are indifferent to that. Per bug #17821 from Alexander Lakhin. Back-patch to v13 (all supported versions). The test case is v17+, since it uses INJECTION_POINT. Discussion: https://postgr.es/m/17821-dd8c334263399284@postgresql.org
* Merge copies of converting an XID to a FullTransactionId.Noah Misch2025-01-25
| | | | | | | | | | | Assume twophase.c is the performance-sensitive caller, and preserve its choice of unlikely() branch hint. Add some retrospective rationale for that choice. Back-patch to v17, for the next commit to use it. Reviewed (in earlier versions) by Michael Paquier. Discussion: https://postgr.es/m/17821-dd8c334263399284@postgresql.org Discussion: https://postgr.es/m/20250116010051.f3.nmisch@google.com
* Disable runningcheck for src/test/modules/injection_points/specs.Noah Misch2025-01-25
| | | | | | | | | | | | | Directory "injection_points" has specified NO_INSTALLCHECK since before commit c35f419d6efbdf1a050250d84b687e6705917711 added the specs, but that commit neglected to disable the corresponding meson runningcheck. The alternative would be to enable "make installcheck" for ISOLATION, but the GNU make build system lacks a concept of setting NO_INSTALLCHECK for REGRESS without also setting it for ISOLATION. Back-patch to v17, where that commit first appeared, to avoid surprises when back-patching additional specs. Discussion: https://postgr.es/m/17821-dd8c334263399284@postgresql.org
* Test ECPG decadd(), decdiv(), decmul(), and decsub() for risnull() input.Noah Misch2025-01-25
| | | | | | | | | | | Since commit 757fb0e5a9a61ac8d3a67e334faeea6dc0084b3f, these Informix-compat functions return 0 without changing the output parameter. Initialize the output parameter before the test call, making that obvious. Before this, the expected test output has been depending on freed stack memory. "gcc -ftrivial-auto-var-init=pattern" revealed that. Back-patch to v13 (all supported versions). Discussion: https://postgr.es/m/20250106192748.cf.nmisch@google.com
* Change shutdown sequence to terminate checkpointer lastAndres Freund2025-01-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | The main motivation for this change is to have a process that can serialize stats after all other processes have terminated. Serializing stats already happens in checkpointer, even though walsenders can be active longer. The only reason the current shutdown sequence does not actively cause problems is that walsender currently does not generate any stats. However, there is an upcoming patch changing that. Another need for this change originates in the AIO patchset, where IO workers (which, in some edge cases, can emit stats of their own) need to run while the shutdown checkpoint is being written. This commit changes the shutdown sequence so checkpointer is signalled (via SIGINT) to trigger writing the shutdown checkpoint without also causing checkpointer to exit. Once checkpointer wrote the shutdown checkpoint it notifies postmaster via PMSIGNAL_XLOG_IS_SHUTDOWN and waits for the termination signal (SIGUSR2, as before). Checkpointer now is terminated after all children, other than dead-end children and logger, have been terminated, tracked using the new PM_WAIT_CHECKPOINTER PMState. Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi> Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Reviewed-by: Nazir Bilal Yavuz <byavuz81@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* Tighten pg_restore's recognition of its -F (format) option values.Tom Lane2025-01-25
| | | | | | | | | | | | | | | Instead of checking just the first letter, match the whole string using pg_strcasecmp. Per the documentation, we allow either just the first letter (e.g. "c") or the whole name ("custom"); but we will no longer accept random variations such as "chump". This matches pg_dump's longstanding parsing code for the same option. Also for consistency with pg_dump, recognize "p"/"plain". We don't support it, but we can give a more helpful error message than "unrecognized archive format". Author: Srinath Reddy <srinath2133@gmail.com> Discussion: https://postgr.es/m/CAFC+b6pfK-BGcWW1kQmtxVrCh-JGjB2X02rLPQs_ZFaDGjZDsQ@mail.gmail.com
* Use the correct sizeof() in BufFileLoadBufferTomas Vondra2025-01-25
| | | | | | | | | | | | | | The sizeof() call should reference buffer.data, because that's the buffer we're reading data into, not the whole PGAlignedBuffer union. This was introduced by 44cac93464, which replaced the simple buffer with a PGAlignedBuffer field. It's benign, because the buffer is the largest field of the union, so the sizes are the same. But it's easy to trip over this in a patch, so fix and backpatch. Commit 44cac93464 went into 12, but that's EOL. Backpatch-through: 13 Discussion: https://postgr.es/m/928bdab1-6567-449f-98c4-339cd2203b87@vondra.me
* Add SQL function CASEFOLD().Jeff Davis2025-01-24
| | | | | | | | | | | | | Useful for caseless matching. Similar to LOWER(), but avoids edge-case problems with using LOWER() for caseless matching. For collations that support it, CASEFOLD() handles characters with more than two case variations or multi-character case variations. Some characters may fold to uppercase. The results of case folding are also more stable across Unicode versions than LOWER() or UPPER(). Discussion: https://postgr.es/m/a1886ddfcd8f60cb3e905c93009b646b4cfb74c5.camel%40j-davis.com Reviewed-by: Ian Lawrence Barwick
* postmaster: Adjust which processes we expect to have exitedAndres Freund2025-01-24
| | | | | | | | | | | | | | Comments and code stated that we expect checkpointer to have been signalled in case of immediate shutdown / fatal errors, but didn't treat archiver and walsenders the same. That doesn't seem right. I had started digging through the history to see where this oddity was introduced, but it's not the fault of a single commit. Instead treat archiver, checkpointer, and walsenders the same. Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* postmaster: Commonalize FatalError pathsAndres Freund2025-01-24
| | | | | | | | | | | | | | | | | | | | | This includes some behavioral changes: - Previously PM_WAIT_XLOG_ARCHIVAL wasn't handled in HandleFatalError(), that doesn't seem quite right. - Previously a fatal error in PM_WAIT_XLOG_SHUTDOWN lead to jumping back to PM_WAIT_BACKENDS, no we go to PM_WAIT_DEAD_END. Jumping backwards doesn't seem quite right and we didn't do so when checkpointer failed to fork during a shutdown. - Previously a checkpointer fork failure didn't call SetQuitSignalReason(), which would lead to quickdie() reporting "terminating connection because of unexpected SIGQUIT signal" which seems even worse than the PMQUIT_FOR_CRASH message. If I saw that in the log I'd suspect somebody outside of postgres sent SIGQUITs Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* postmaster: Move code to switch into FatalError state into functionAndres Freund2025-01-24
| | | | | | | | | | | | | There are two places switching to FatalError mode, behaving somewhat differently. An upcoming commit will introduce a third. That doesn't seem seem like a good idea. This commit just moves the FatalError related code from HandleChildCrash() into its own function, a subsequent commit will evolve the state machine change to be suitable for other callers. Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* postmaster: Don't repeatedly transition to crashing stateAndres Freund2025-01-24
| | | | | | | | | | | | | | | Previously HandleChildCrash() skipped logging and signalling child exits if already in an immediate shutdown or in FatalError state, but still transitioned server state in response to a crash. That's redundant. In the other place we transition to FatalError, we do take care to not do so when already in FatalError state. To make it easier to combine different paths for entering FatalError state, only do so once in HandleChildCrash(). Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* postmaster: Don't open-code TerminateChildren() in HandleChildCrash()Andres Freund2025-01-24
| | | | | | | | After removing the duplication no user of sigquit_child() remains, therefore remove it. Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* checkpointer: Request checkpoint via latch instead of signalAndres Freund2025-01-24
| | | | | | | | | | | | | The motivation for this change is that a future commit will use SIGINT for another purpose (postmaster requesting WAL access to be shut down) and that there no other signals that we could readily use (see code comment for the reason why SIGTERM shouldn't be used). But it's also a tad nicer / more efficient to use SetLatch(), as it avoids sending signals when checkpointer already is busy. Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Reviewed-by: Nazir Bilal Yavuz <byavuz81@gmail.com> Discussion: https://postgr.es/m/kgng5nrvnlv335evmsuvpnh354rw7qyazl73kdysev2cr2v5zu@m3cfzxicm5kp
* Make jsonb casts to scalar types translate JSON null to SQL NULL.Tom Lane2025-01-24
| | | | | | | | | Formerly, these cases threw an error "cannot cast jsonb null to type <whatever>". That seems less than helpful though. It's also inconsistent with the behavior of the ->> operator, which translates JSON null to SQL NULL, as do some other jsonb functions. Discussion: https://postgr.es/m/3851203.1722552717@sss.pgh.pa.us
* Fix instability in recently added regression testsÁlvaro Herrera2025-01-24
| | | | | | | We missed the usual ORDER BY clause. Author: Amul Sul <amul.sul@enterprisedb.com> Discussion: https://postgr.es/m/CAAJ_b974U3Vvf-qGwFyZ73DFHqyFJP9TOmuiXR2Kp8KVcJtP6w@mail.gmail.com
* Convert sepgsql tests to TAPPeter Eisentraut2025-01-24
| | | | | | | | | | | | | | Add a TAP test for sepgsql. This automates the previously required manual setup before the test. The actual tests are still run by pg_regress, as before, but now called from within the TAP Perl script. The previous manual test script (test_sepgsql) is left in place, since its purpose is (also) to test whether a running instance was properly initialized for sepgsql. But it has been changed to call pg_regress directly and no longer require make. Reviewed-by: Andreas Karlsson <andreas@proxel.se> Discussion: https://www.postgresql.org/message-id/flat/651a5baf-5c45-4a5a-a202-0c8453a4ebf8@eisentraut.org
* initdb: Convert tests to use long options with fat comma styleMichael Paquier2025-01-24
| | | | | | | | This is similar to ce1b0f9da03e, but this time this rule is applied to some of the TAP tests of initdb. Author: Dagfinn Ilmari Mannsåker Discussion: https://postgr.es/m/878qr146ra.fsf@wibble.ilmari.org
* Return yyparse() result not via global variablePeter Eisentraut2025-01-24
| | | | | | | | | Instead of passing the parse result from yyparse() via a global variable, pass it via a function output argument. This complements earlier work to make the parsers reentrant. Discussion: Discussion: https://www.postgresql.org/message-id/flat/eb6faeac-2a8a-4b69-9189-c33c520e5b7b@eisentraut.org
* Don't ask for bug reports about pthread_is_threaded_np() != 0.Tom Lane2025-01-23
| | | | | | | | | | | | | | | | | | We thought that this condition was unreachable in ExitPostmaster, but actually it's possible if you have both a misconfigured locale setting and some other mistake that causes PostmasterMain to bail out before reaching its own check of pthread_is_threaded_np(). Given the lack of other reports, let's not ask for bug reports if this occurs; instead just give the same hint as in PostmasterMain. Bug: #18783 Reported-by: anani191181515@gmail.com Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Noah Misch <noah@leadboat.com> Discussion: https://postgr.es/m/18783-d1873b95a59b9103@postgresql.org Discussion: https://postgr.es/m/206317.1737656533@sss.pgh.pa.us Backpatch-through: 13
* Ensure that AFTER triggers run as the instigating user.Tom Lane2025-01-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With deferred triggers, it is possible that the current role changes between the time when the trigger is queued and the time it is executed (for example, the triggering data modification could have been executed in a SECURITY DEFINER function). Up to now, deferred trigger functions would run with the current role set to whatever was active at commit time. That does not matter for foreign-key constraints, whose correctness doesn't depend on the current role. But for user-written triggers, the current role certainly can matter. Hence, fix things so that AFTER triggers are fired under the role that was active when they were queued, matching the behavior of BEFORE triggers which would have actually fired at that time. (If the trigger function is marked SECURITY DEFINER, that of course overrides this, as it always has.) This does not create any new security exposure: if you do DML on a table owned by a hostile user, that user has always had various ways to exploit your permissions, such as the aforementioned BEFORE triggers, default expressions, etc. It might remove some security exposure, because the old behavior could potentially expose some other role besides the one directly modifying the table. There was discussion of making a larger change, such as running as the trigger's owner. However, that would break the common idiom of capturing the value of CURRENT_USER in a trigger for auditing/logging purposes. This change will make no difference in the typical scenario where the current role doesn't change before commit. Arguably this is a bug fix, but it seems too big a semantic change to consider for back-patching. Author: Laurenz Albe <laurenz.albe@cybertec.at> Reviewed-by: Joseph Koshakow <koshy44@gmail.com> Reviewed-by: Pavel Stehule <pavel.stehule@gmail.com> Discussion: https://postgr.es/m/77ee784cf248e842f74588418f55c2931e47bd78.camel@cybertec.at
* Add support for Unicode case folding.Jeff Davis2025-01-23
| | | | | | | Expand case mapping tables to include entries for case folding, which are parsed from CaseFolding.txt. Discussion: https://postgr.es/m/a1886ddfcd8f60cb3e905c93009b646b4cfb74c5.camel%40j-davis.com
* Reverse the search order in afterTriggerAddEvent().Tom Lane2025-01-23
| | | | | | | | | | | | | | | | | When scanning existing AfterTriggerSharedData records in search of a match to the event being queued, we were examining the records from oldest to newest. But it makes more sense to do the opposite. The newest record is likely to be from the current query, while the oldest is likely to be from some previous command in the same transaction, which will likely have different details. There aren't expected to be very many active AfterTriggerSharedData records at once, so that this change is unlikely to make any spectacular difference. Still, having added a nontrivially-expensive bms_equal call to this loop yesterday, I feel a need to shave cycles where possible. Discussion: https://postgr.es/m/4166712.1737583961@sss.pgh.pa.us
* Allow NOT VALID foreign key constraints on partitioned tablesÁlvaro Herrera2025-01-23
| | | | | | | | | | | | | | | | This feature was intentionally omitted when FKs were first implemented for partitioned tables, and had been requested a few times; the usefulness is clear. Validation can happen for each partition individually, which is useful to contain the number of locks held and the duration; or it can be executed for the partitioning hierarchy as a single command, which validates all child constraints that haven't been validated already. This is also useful to implement NOT ENFORCED constraints on top. Author: Amul Sul <sulamul@gmail.com> Discussion: https://postgr.es/m/CAAJ_b96Bp=-ZwihPPtuaNX=SrZ0U6ZsXD3+fgARO0JuKa8v2jQ@mail.gmail.com
* Fix buildfarm failure introduced by commit e65dbc9927.Amit Kapila2025-01-23
| | | | | | | | The patch had incorrectly specified the default value for publish_generated_columns during the query formation in pg_dump. Author: Vignesh C <vignesh21@gmail.com> Discussion: https://postgr.es/m/CAA4eK1KfZYTD8Hpi9TD1KaB8rNUBR9baUvTxa5wYyZDGbEaa6g@mail.gmail.com
* Convert macros to static inline functions (htup_details.h, itup.h)Peter Eisentraut2025-01-23
| | | | Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517@enterprisedb.com
* Add some const decorations (htup.h)Peter Eisentraut2025-01-23
| | | | Discussion: https://www.postgresql.org/message-id/flat/5b558da8-99fb-0a99-83dd-f72f05388517@enterprisedb.com
* Change publication's publish_generated_columns option type to enum.Amit Kapila2025-01-23
| | | | | | | | | | | | | | | The current boolean publish_generated_columns option only supports a binary choice, which is insufficient for future enhancements where generated columns can be of different types (e.g., stored or virtual). The supported values for the publish_generated_columns option are 'none' and 'stored'. Author: Vignesh C <vignesh21@gmail.com> Reviewed-by: Peter Smith <smithpb2250@gmail.com> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Reviewed-by: Amit Kapila <amit.kapila16@gmail.com> Discussion: https://postgr.es/m/d718d219-dd47-4a33-bb97-56e8fc4da994@eisentraut.org Discussion: https://postgr.es/m/B80D17B2-2C8E-4C7D-87F2-E5B4BE3C069E@gmail.com
* Add error pattern checks for some TAP tests for non-existing objectsMichael Paquier2025-01-23
| | | | | | | | | | | Some tests are updated to use command_fails_like(), gaining a check for the error output generated. The test changed in pg_amcheck has come up after noticing that an incorrect option name still made the test to pass, while the command failed. The three other tests changed in src/bin/scripts/ have been noticed by me, in passing. Author: Dagfinn Ilmari Mannsåker, Michael Paquier Discussion: https://postgr.es/m/87bjvy50cs.fsf@wibble.ilmari.org
* Improve TAP tests of pg_basebackupMichael Paquier2025-01-23
| | | | | | | | | | | | | | This addresses some minor issues with the TAP tests of pg_basebackup: - Remove three duplicated tests used for incorrect option combinations. - Add more pattern checks for commands doomed to fail, to make sure that the error generated is the expected one. These are for tests related to the tablespace mapping and incorrect option combinations. - Fix the description of one test for the case of backup target versus format. Issues noticed while reviewing this area of the tests. Discussion: https://postgr.es/m/87bjvy50cs.fsf@wibble.ilmari.org
* Support RN (roman-numeral format) in to_number().Tom Lane2025-01-22
| | | | | | | | | | | We've long had roman-numeral output support in to_char(), but lacked the reverse conversion. Here it is. Author: Hunaid Sohail <hunaidpgml@gmail.com> Reviewed-by: Maciek Sakrejda <m.sakrejda@gmail.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Tomas Vondra <tomas@vondra.me> Discussion: https://postgr.es/m/CAMWA6ybh4M1VQqpmnu2tfSwO+3gAPeA8YKnMHVADeB=XDEvT_A@mail.gmail.com
* Fix comment about AVX-512 popcount support.Nathan Bossart2025-01-22
| | | | | | | | Since commit f78667bd91, we've used __attribute__((target(...))) instead of extra compiler flags for AVX-512 support, but this comment still says that we put the code in a separate file because it might require extra compiler flags. Let's just remove that part of the comment.
* Repair incorrect handling of AfterTriggerSharedData.ats_modifiedcols.Tom Lane2025-01-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes two distinct errors that both ultimately trace to commit 71d60e2aa, which added the ats_modifiedcols field. The more severe error is that ats_modifiedcols wasn't accounted for in afterTriggerAddEvent's scanning loop that looks for a pre-existing duplicate AfterTriggerSharedData. Thus, a new event could be incorrectly matched to an AfterTriggerSharedData that has a different value of ats_modifiedcols, resulting in the wrong tg_updatedcols bitmap getting passed to the trigger whenever it finally gets fired. We'd not noticed because (a) few triggers consult tg_updatedcols, and (b) we had no tests exercising a case where such a trigger was called as an AFTER trigger. In the test case added by this commit, contrib/lo's trigger fails to remove a large object when expected because (without this fix) it thinks the LO OID column hasn't changed. The other problem was introduced by commit ce5aaea8c, which copied the modified-columns bitmap into trigger-related storage. It made a copy for every trigger event, whereas what we really want is to make a new copy only when we make a new AfterTriggerSharedData entry. (We could imagine adding extra logic to reduce the number of bitmap copies still more, but it doesn't look worthwhile at the moment.) In a simple test of an UPDATE of 10000000 rows with a single AFTER trigger, this thinko roughly tripled the amount of memory consumed by the pending-triggers data structures, from 160446744 to 480443440 bytes. Fixing the first problem requires introducing a bms_equal() call into afterTriggerAddEvent's scanning loop, which is slightly annoying from a speed perspective. However, getting rid of the excessive bms_copy() calls from the second problem balances that out; overall speed of trigger operations is the same or slightly better, in my tests. Discussion: https://postgr.es/m/3496294.1737501591@sss.pgh.pa.us Backpatch-through: 13
* Fix \dRp+ output when describing publications with a lower server version.Amit Kapila2025-01-22
| | | | | | | | | | The psql was not careful that the new column "Generated columns" won't be present in the lower version. This was introduced in recent commit 7054186c4e. Author: Vignesh C Reviewed-by: Peter Smith Discussion: https://postgr.es/m/CALDaNm3OcXdY0EzDEKAfaK9gq2B67Mfsgxu93+_249ohyts=0g@mail.gmail.com
* Additional tests for stored generated columnsPeter Eisentraut2025-01-22
| | | | | | | | | | | | | | Some additional tests have been created during the development of virtual generated columns (not included here). This commit adds equivalent tests to the existing test set for stored generated columns. This includes expanded tests related to MERGE, subqueries, whole-row references, permissions, domains, partitioning, and triggers. Author: Peter Eisentraut <peter@eisentraut.org> Co-authored-by: jian he <jian.universality@gmail.com> Co-authored-by: Dean Rasheed <dean.a.rasheed@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/a368248e-69e4-40be-9c07-6c3b5880b0a6@eisentraut.org
* Improve grammar of options for command arrays in TAP testsMichael Paquier2025-01-22
| | | | | | | | | | | | | | | | | | | | | | | This commit rewrites a good chunk of the command arrays in TAP tests with a grammar based on the following rules: - Fat commas are used between option names and their values, making it clear to both humans and perltidy that values and names are bound together. This is particularly useful for the readability of multi-line command arrays, and there are plenty of them in the TAP tests. Most of the test code is updated to use this style. Some commands used parenthesis to show the link, or attached values and options in a single string. These are updated to use fat commas instead. - Option names are switched to use their long names, making them more self-documented. Based on a suggestion by Andrew Dunstan. - Add some trailing commas after the last item in multi-line arrays, which is a common perl style. Not all the places are taken care of, but this covers a very good chunk of them. Author: Dagfinn Ilmari Mannsåker Reviewed-by: Michael Paquier, Peter Smith, Euler Taveira Discussion: https://postgr.es/m/87jzc46d8u.fsf@wibble.ilmari.org
* Run perltidyMichael Paquier2025-01-22
| | | | | | | | | | A follow-up patch will adjust the TAP tests to follow a more-structured format for option lists in commands, that perltidy is able to cope better with. Putting the tree first in a clean state makes the next change a bit easier. v20230309 has been used. Author: Dagfinn Ilmari Mannsåker Discussion: https://postgr.es/m/87jzc46d8u.fsf@wibble.ilmari.org
* Doc: simplify the tutorial's window-function examples.Tom Lane2025-01-21
| | | | | | | | | | | | | | | | | | For the purposes of this discussion, row_number() is just as good as rank(), and its behavior is easier to understand and describe. So let's switch the examples to using row_number(). Along the way to checking the results given in the tutorial, I found it helpful to extract the empsalary table we use in the regression tests, which is evidently the same data that was used to make these results. So I shoved that into advanced.source to improve the coverage of that file a little. (There's still several pages of the tutorial that are not included in it, but at least now 3.5 Window Functions is covered.) Suggested-by: "David G. Johnston" <david.g.johnston@gmail.com> Author: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/173737973383.1070.1832752929070067441@wrigleys.postgresql.org
* Reword recent error messages: "should" -> "must"Álvaro Herrera2025-01-21
| | | | | | | | | | | | | | Most were introduced in the 17 timeframe. The ones in wparser_def.c are very old. I also changed "JSON path expression for column \"%s\" should return single item without wrapper" to "JSON path expression for column \"%s\" must return single item when no wrapper is requested" to avoid ambiguity. Backpatch to 17. Crickets: https://postgr.es/m/202501131819.26ors7oouafu@alvherre.pgsql
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