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* Add PG_TEST_EXTRA configure option to the Make buildsHeikki Linnakangas2024-11-04
| | | | | | | | | | | | | | | | The Meson builds have PG_TEST_EXTRA as a configure-time variable, which was not available in the Make builds. To ensure both build systems are in sync, PG_TEST_EXTRA is now added as a configure-time variable. It can be set like this: ./configure PG_TEST_EXTRA="kerberos, ssl, ..." Note that to preserve the old behavior, this configure-time variable is overridden by the PG_TEST_EXTRA environment variable when you run the tests. Author: Jacob Champion Reviewed by: Ashutosh Bapat, Nazir Bilal Yavuz
* Add missing newlines at the end of two SQL filesMichael Paquier2024-11-03
| | | | | | arrays.sql was already missing it before 49d6c7d8daba, and I have just noticed it thanks to this commit. The second one in test_slru has been introduced by 768a9fd5535f.
* Add SQL function array_reverse()Michael Paquier2024-11-01
| | | | | | | | | | | | | | | | | This function takes in input an array, and reverses the position of all its elements. This operation only affects the first dimension of the array, like array_shuffle(). The implementation structure is inspired by array_shuffle(), with a subroutine called array_reverse_n() that may come in handy in the future, should more functions able to reverse portions of arrays be introduced. Bump catalog version. Author: Aleksander Alekseev Reviewed-by: Ashutosh Bapat, Tom Lane, Vladlen Popolitov Discussion: https://postgr.es/m/CAJ7c6TMpeO_ke+QGOaAx9xdJuxa7r=49-anMh3G5476e3CX1CA@mail.gmail.com
* Make all ereport() calls within gram.y provide error locations.Tom Lane2024-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch responds to a comment that I (tgl) made in the discussion leading up to 774171c4f, that really all errors occurring during raw parsing should provide error cursors. Syntax errors reported by Bison will have one, and most of the handwritten ereport's in gram.y already provide one, but there were a few stragglers. (It is not claimed that this handles every failure reachable during raw parsing --- out-of-memory is an obvious exception. But this makes a good start on cases that are likely to occur.) While we're at it, clean up the reported positions for errors associated with LIMIT/OFFSET clauses. Previously we were relying on applying exprLocation() to the contained expressions, but that leads to slightly odd cursor placement, e.g. regression=# (select * from foo limit 10) limit 10; ERROR: multiple LIMIT clauses not allowed LINE 1: (select * from foo limit 10) limit 10; ^ We can afford to keep a little more state in the transient SelectLimit structs in order to make that better. Jian He and Tom Lane (extracted from a larger patch by Jian, with some additional work by me) Discussion: https://postgr.es/m/CACJufxEmONE3P2En=jopZy1m=cCCUs65M4+1o52MW5og9oaUPA@mail.gmail.com
* Add a parse location field to struct FunctionParameter.Tom Lane2024-10-31
| | | | | | | | | | | | | | | | This allows an error cursor to be supplied for a bunch of bad-function-definition errors that previously lacked one, or that cheated a bit by pointing at the contained type name when the error isn't really about that. Bump catversion from an abundance of caution --- I don't think this node type can actually appear in stored views/rules, but better safe than sorry. Jian He and Tom Lane (extracted from a larger patch by Jian, with some additional work by me) Discussion: https://postgr.es/m/CACJufxEmONE3P2En=jopZy1m=cCCUs65M4+1o52MW5og9oaUPA@mail.gmail.com
* injection_points: Improve comment about disabled isolation permutationMichael Paquier2024-10-31
| | | | | | | | | | | 9f00edc22888 has disabled a permutation due to failures in the CI for FreeBSD environments, but this is a matter of timing. Let's document properly why this type of permutation is a bad idea if relying on a wait done in a SQL function, so as this can be avoided when implementing new tests (this spec is also a template). Reviewed-by: Bertrand Drouvot Discussion: https://postgr.es/m/ZyCa2qsopKaw3W3K@paquier.xyz
* Stabilize jsonb_path_query test case.Tom Lane2024-10-30
| | | | | | | | | | | | An operation like '12:34:56'::time_tz takes the UTC offset from the prevailing time zone, which means that the results change across DST transitions. One of the test cases added in ed055d249 failed to consider this. Per report from Bernhard Wiedemann. Back-patch to v17, as the test case was. Discussion: https://postgr.es/m/ba8e1bc0-8a99-45b7-8397-3f2e94415e03@suse.de
* Fix some more bugs in foreign keys connecting partitioned tablesÁlvaro Herrera2024-10-30
| | | | | | | | | | | | | | | | | | | | | | | | * In DetachPartitionFinalize() we were applying a tuple conversion map to tuples that didn't need one, which can lead to erratic behavior if a partitioned table has a partition with a different column order, as reported by Alexander Lakhin. This was introduced by 53af9491a043. Don't do that. Also, modify a recently added test case to exercise this. * The same function as well as CloneFkReferenced() were acquiring AccessShareLock on a partition, only to have CreateTrigger() later acquire ShareRowExclusiveLock on it. This can lead to deadlock by lock escalation, unnecessarily. Avoid that by acquiring the stronger lock to begin with. This probably dates back to branch 12, but I have never seen a report of this being a problem in the field. * Innocuous but wasteful: also introduced by 53af9491a043, we were reading a pg_constraint tuple from syscache that we don't need, as reported by Tender Wang. Don't. Backpatch to 15. Discussion: https://postgr.es/m/461e9c26-2076-8224-e119-84998b6a784e@gmail.com
* Replicate generated columns when specified in the column list.Amit Kapila2024-10-30
| | | | | | | | | | | | | | | | | | | This commit allows logical replication to publish and replicate generated columns when explicitly listed in the column list. We also ensured that the generated columns were copied during the initial tablesync when they were published. We will allow to replicate generated columns even when they are not specified in the column list (via a new publication option) in a separate commit. The motivation of this work is to allow replication for cases where the client doesn't have generated columns. For example, the case where one is trying to replicate data from Postgres to the non-Postgres database. Author: Shubham Khanna, Vignesh C, Hou Zhijie Reviewed-by: Peter Smith, Hayato Kuroda, Shlok Kyal, Amit Kapila Discussion: https://postgr.es/m/B80D17B2-2C8E-4C7D-87F2-E5B4BE3C069E@gmail.com
* Add missing FATAL => 'all' to a use warnings in PerlPeter Eisentraut2024-10-29
| | | | | Author: Anton Voloshin <a.voloshin@postgrespro.ru> Discussion: https://www.postgresql.org/message-id/aa8a55d5-554a-4027-a491-1b0ca7c85f7a@postgrespro.ru
* Fix dependency of partitioned table and table AM with CREATE TABLE .. USINGMichael Paquier2024-10-29
| | | | | | | | | | | | | | | | | | | | A pg_depend entry between a partitioned table and its table access method was missing when using CREATE TABLE .. USING with an unpinned access method. DROP ACCESS METHOD could be used, while it should be blocked if CASCADE is not specified, even if there was a partitioned table that depends on the table access method. pg_class.relam would then hold an orphaned OID value still pointing to the AM dropped. The problem is fixed by adding a dependency between the partitioned table and its table access method if set when the relation is created. A test checking the contents of pg_depend in this case is added. Issue introduced in 374c7a229042, that has added support for CREATE TABLE .. USING for partitioned tables. Reviewed-by: Alexander Lakhin Discussion: https://postgr.es/m/18674-1ef01eceec278fab@postgresql.org Backpatch-through: 17
* Remove unused #include's from contrib, pl, test .c filesPeter Eisentraut2024-10-28
| | | | | | | | | as determined by IWYU Similar to commit dbbca2cf299, but for contrib, pl, and src/test/. Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org> Discussion: https://www.postgresql.org/message-id/flat/0df1d5b1-8ca8-4f84-93be-121081bde049%40eisentraut.org
* Change the default value of the streaming option to 'parallel'.Amit Kapila2024-10-28
| | | | | | | | | | | | | | | | Previously the default value of streaming option for a subscription was 'off'. The parallel option indicates that the changes in large transactions (greater than logical_decoding_work_mem) are to be applied directly via one of the parallel apply workers, if available. The parallel mode was introduced in 16, but we refrain from enabling it by default to avoid seeing any unpleasant behavior in the existing applications. However we haven't found any such report yet, so this is a good time to enable it by default. Reported-by: Vignesh C Author: Hayato Kuroda, Masahiko Sawada, Peter Smith, Amit Kapila Discussion: https://postgr.es/m/CALDaNm1=MedhW23NuoePJTmonwsMSp80ddsw+sEJs0GUMC_kqQ@mail.gmail.com
* Set query ID for inner queries of CREATE TABLE AS and DECLAREMichael Paquier2024-10-28
| | | | | | | | | | | | | | | | | | | | | Some utility statements contain queries that can be planned and executed: CREATE TABLE AS and DECLARE CURSOR. This commit adds query ID computation for the inner queries executed by these two utility commands, with and without EXPLAIN. This change leads to four new callers of JumbleQuery() and post_parse_analyze_hook() so as extensions can decide what to do with this new data. Previously, extensions relying on the query ID, like pg_stat_statements, were not able to track these nested queries as the query_id was 0. For pg_stat_statements, this commit leads to additions under !toplevel when pg_stat_statements.track is set to "all", as shown in its regression tests. The output of EXPLAIN for these two utilities gains a "Query Identifier" if compute_query_id is enabled. Author: Anthonin Bonnefoy Reviewed-by: Michael Paquier, Jian He Discussion: https://postgr.es/m/CAO6_XqqM6S9bQ2qd=75W+yKATwoazxSNhv5sjW06fjGAtHbTUA@mail.gmail.com
* For inplace update, send nontransactional invalidations.Noah Misch2024-10-25
| | | | | | | | | | | | | | | | The inplace update survives ROLLBACK. The inval didn't, so another backend's DDL could then update the row without incorporating the inplace update. In the test this fixes, a mix of CREATE INDEX and ALTER TABLE resulted in a table with an index, yet relhasindex=f. That is a source of index corruption. Back-patch to v12 (all supported versions). The back branch versions don't change WAL, because those branches just added end-of-recovery SIResetAll(). All branches change the ABI of extern function PrepareToInvalidateCacheTuple(). No PGXN extension calls that, and there's no apparent use case in extensions. Reviewed by Nitin Motiani and (in earlier versions) Andres Freund. Discussion: https://postgr.es/m/20240523000548.58.nmisch@google.com
* Fix concurrrently in typcache_rel_type_cache.sqlAlexander Korotkov2024-10-25
| | | | | | | | All injection points there must be local. Otherwise it affects parallel tests. Reported-by: Andres Freund Discussion: https://postgr.es/m/b3ybc66l6lhmtzj2n7ypumz5yjz7njc46sddsqshdtstgj74ah%40qgtn6nzokj6a
* Add install rules for Kerberos.pm and AdjustUpgrade.pmMichael Paquier2024-10-25
| | | | | | | | | | | For the same reasons as c3a0818460a8, these can be useful for out-of-core extension testing. Kerberos.pm has been moved to its current path recently in 9f899562d420, and AdjustUpgrade.pm has been introduced in 52585f8f072a, still both lacked [un]installation rules for both meson and configure. Reported-by: Ashutosh Bapat Discussion: https://postgr.es/m/ZozqzznkDhfCG7Ng@paquier.xyz
* injection_points: Disable one permutation in isolation test "basic"Michael Paquier2024-10-25
| | | | | | | | | | | | | The first permutation done in the test does a wait, a wakeup then a detach. It is proving to be unstable in the CI for FreeBSD (Windows and Linux are stable). The failure shows that the wait is so slow to finish after being woken up that the detach has the time to finish before the wait, messing up with the expected output. There may be a platform-specific issue going on here, but for now disable this permutation to make the CI runs more stable. Discussion: https://postgr.es/m/ZxrnSGdNtQWAxE3_@paquier.xyz
* Remove the RTE_GROUP RTE if we drop the groupClauseRichard Guo2024-10-25
| | | | | | | | | | | | | | | For an EXISTS subquery, the only thing that matters is whether it returns zero or more than zero rows. Therefore, we remove certain SQL features that won't affect that, among them the GROUP BY clauses. After we drop the groupClause, we'd better remove the RTE_GROUP RTE and clear the hasGroupRTE flag, as they depend on the groupClause. Failing to do so could result in a bogus RTE_GROUP entry in the parent query, leading to an assertion failure on the hasGroupRTE flag. Reported-by: David Rowley Author: Richard Guo Discussion: https://postgr.es/m/CAApHDvp2_yht8uPLyWO-kVGWZhYvx5zjGfSrg4fBQ9fsC13V0g@mail.gmail.com
* Add functions pg_restore_relation_stats(), pg_restore_attribute_stats().Jeff Davis2024-10-24
| | | | | | | | | | | | | Similar to the pg_set_*_stats() functions, except with a variadic signature that's designed to be more future-proof. Additionally, most problems are reported as WARNINGs rather than ERRORs, allowing most stats to be restored even if some cannot. These functions are intended to be called from pg_dump to avoid the need to run ANALYZE after an upgrade. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=eErgzn7ECDpwFcptJKOk9SxZEk5Pot4d94eVTZsvj3gw@mail.gmail.com
* Stop reading uninitialized memory in heap_inplace_lock().Noah Misch2024-10-24
| | | | | | | | | | Stop computing a never-used value. This removes the read; the read had no functional implications. Back-patch to v12, like commit a07e03fd8fa7daf4d1356f7cb501ffe784ea6257. Reported by Alexander Lakhin. Discussion: https://postgr.es/m/6c92f59b-f5bc-e58c-9bdd-d1f21c17c786@gmail.com
* Support configuring TLSv1.3 cipher suitesDaniel Gustafsson2024-10-24
| | | | | | | | | | | | | | | | | | The ssl_ciphers GUC can only set cipher suites for TLSv1.2, and lower, connections. For TLSv1.3 connections a different OpenSSL API must be used. This adds a new GUC, ssl_tls13_ciphers, which can be used to configure a colon separated list of cipher suites to support when performing a TLSv1.3 handshake. Original patch by Erica Zhang with additional hacking by me. Author: Erica Zhang <ericazhangy2021@qq.com> Author: Daniel Gustafsson <daniel@yesql.se> Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com> Reviewed-by: Andres Freund <andres@anarazel.de> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Reviewed-by: Jelte Fennema-Nio <postgres@jeltef.nl> Discussion: https://postgr.es/m/tencent_063F89FA72CCF2E48A0DF5338841988E9809@qq.com
* Support configuring multiple ECDH curvesDaniel Gustafsson2024-10-24
| | | | | | | | | | | | | | | | | | | The ssl_ecdh_curve GUC only accepts a single value, but the TLS handshake can list multiple curves in the groups extension (the extension has been renamed to contain more than elliptic curves). This changes the GUC to accept a colon-separated list of curves. This commit also renames the GUC to ssl_groups to match the new nomenclature for the TLS extension. Original patch by Erica Zhang with additional hacking by me. Author: Erica Zhang <ericazhangy2021@qq.com> Author: Daniel Gustafsson <daniel@yesql.se> Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com> Reviewed-by: Andres Freund <andres@anarazel.de> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Reviewed-by: Jelte Fennema-Nio <postgres@jeltef.nl> Discussion: https://postgr.es/m/tencent_063F89FA72CCF2E48A0DF5338841988E9809@qq.com
* Handle alphanumeric characters in matching GUC namesDaniel Gustafsson2024-10-24
| | | | | | | | | | The check for whether all GUCs are present in the sample config file used the POSIX character class :alpha: which corresponds to alphabet and not alphanumeric. Since GUC names can contain digits as well we need to use the :alnum: character class instead. Author: Daniel Gustafsson <daniel@yesql.se> Discussion: https://postgr.es/m/2CB04559-B1D8-4558-B6F0-8F09093D629F@yesql.se
* Add 'no_error' argument to pg_wal_replay_wait()Alexander Korotkov2024-10-24
| | | | | | | | | | | This argument allow skipping throwing an error. Instead, the result status can be obtained using pg_wal_replay_wait_status() function. Catversion is bumped. Reported-by: Michael Paquier Discussion: https://postgr.es/m/ZtUF17gF0pNpwZDI%40paquier.xyz Reviewed-by: Pavel Borisov
* Avoid looping over all type cache entries in TypeCacheRelCallback()Alexander Korotkov2024-10-24
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently, when a single relcache entry gets invalidated, TypeCacheRelCallback() has to loop over all type cache entries to find appropriate typentry to invalidate. Unfortunately, using the syscache here is impossible, because this callback could be called outside a transaction and this makes impossible catalog lookups. This is why present commit introduces RelIdToTypeIdCacheHash to map relation OID to its composite type OID. We are keeping RelIdToTypeIdCacheHash entry while corresponding type cache entry have something to clean. Therefore, RelIdToTypeIdCacheHash shouldn't get bloat in the case of temporary tables flood. There are many places in lookup_type_cache() where syscache invalidation, user interruption, or even error could occur. In order to handle this, we keep an array of in-progress type cache entries. In the case of lookup_type_cache() interruption this array is processed to keep RelIdToTypeIdCacheHash in a consistent state. Discussion: https://postgr.es/m/5812a6e5-68ae-4d84-9d85-b443176966a1%40sigaev.ru Author: Teodor Sigaev Reviewed-by: Aleksander Alekseev, Tom Lane, Michael Paquier, Roman Zharkov Reviewed-by: Andrei Lepikhov, Pavel Borisov, Jian He, Alexander Lakhin Reviewed-by: Artur Zakirov
* Improve pg_set_attribute_stats() error message.Jeff Davis2024-10-23
| | | | | Previously, an invalid attribute name was caught, but the error message was unhelpful.
* Add functions pg_set_attribute_stats() and pg_clear_attribute_stats().Jeff Davis2024-10-22
| | | | | | | | | | | | Enable manipulation of attribute statistics. Only superficial validation is performed, so it's possible to add nonsense, and it's up to the planner (or other users of statistics) to behave reasonably in that case. Bump catalog version. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=eErgzn7ECDpwFcptJKOk9SxZEk5Pot4d94eVTZsvj3gw@mail.gmail.com
* Change pg_*_relation_stats() functions to return type to void.Jeff Davis2024-10-22
| | | | | | | | | | These functions will either raise an ERROR or run to normal completion, so no return value is necessary. Bump catalog version. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=cBF8rnphuTyHFi3KYzB9ByDgx57HwK9Rz2yp7S+Om87w@mail.gmail.com
* Improve reporting of errors in extension script files.Tom Lane2024-10-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, CREATE/ALTER EXTENSION gave basically no useful context about errors reported while executing script files. I think the idea was that you could run the same commands manually to see the error, but that's often quite inconvenient. Let's improve that. If we get an error during raw parsing, we won't have a current statement identified by a RawStmt node, but we should always get a syntax error position. Show the portion of the script from the last semicolon-newline before the error position to the first one after it. There are cases where this might show only a fragment of a statement, but that should be uncommon, and it seems better than showing the whole script file. Without an error cursor, if we have gotten past raw parsing (which we probably have), we can report just the current SQL statement as an item of error context. In any case also report the script file name as error context, since it might not be entirely obvious which of a series of update scripts failed. We can also show an approximate script line number in case whatever we printed of the query isn't sufficiently identifiable. The error-context code path is already exercised by some test_extensions test cases, but add tests for the syntax-error path. Discussion: https://postgr.es/m/ZvV1ClhnbJLCz7Sm@msg.df7cb.de
* Restructure foreign key handling code for ATTACH/DETACHÁlvaro Herrera2024-10-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ... to fix bugs when the referenced table is partitioned. The catalog representation we chose for foreign keys connecting partitioned tables (in commit f56f8f8da6af) is inconvenient, in the sense that a standalone table has a different way to represent the constraint when referencing a partitioned table, than when the same table becomes a partition (and vice versa). Because of this, we need to create additional catalog rows on detach (pg_constraint and pg_trigger), and remove them on attach. We were doing some of those things, but not all of them, leading to missing catalog rows in certain cases. The worst problem seems to be that we are missing action triggers after detaching a partition, which means that you could update/delete rows from the referenced partitioned table that still had referencing rows on that table, the server failing to throw the required errors. !!! Note that this means existing databases with FKs that reference partitioned tables might have rows that break relational integrity, on tables that were once partitions on the referencing side of the FK. Another possible problem is that trying to reattach a table that had been detached would fail indicating that internal triggers cannot be found, which from the user's point of view is nonsensical. In branches 15 and above, we fix this by creating a new helper function addFkConstraint() which is in charge of creating a standalone pg_constraint row, and repurposing addFkRecurseReferencing() and addFkRecurseReferenced() so that they're only the recursive routine for each side of the FK, and they call addFkConstraint() to create pg_constraint at each partitioning level and add the necessary triggers. These new routines can be used during partition creation, partition attach and detach, and foreign key creation. This reduces redundant code and simplifies the flow. In branches 14 and 13, we have a much simpler fix that consists on simply removing the constraint on detach. The reason is that those branches are missing commit f4566345cf40, which reworked the way this works in a way that we didn't consider back-patchable at the time. We opted to leave branch 12 alone, because it's different from branch 13 enough that the fix doesn't apply; and because it is going in EOL mode very soon, patching it now might be worse since there's no way to undo the damage if it goes wrong. Existing databases might need to be repaired. In the future we might want to rethink the catalog representation to avoid this problem, but for now the code seems to do what's required to make the constraints operate correctly. Co-authored-by: Jehan-Guillaume de Rorthais <jgdr@dalibo.com> Co-authored-by: Tender Wang <tndrwang@gmail.com> Co-authored-by: Alvaro Herrera <alvherre@alvh.no-ip.org> Reported-by: Guillaume Lelarge <guillaume@lelarge.info> Reported-by: Jehan-Guillaume de Rorthais <jgdr@dalibo.com> Reported-by: Thomas Baehler (SBB CFF FFS) <thomas.baehler2@sbb.ch> Discussion: https://postgr.es/m/20230420144344.40744130@karst Discussion: https://postgr.es/m/20230705233028.2f554f73@karst Discussion: https://postgr.es/m/GVAP278MB02787E7134FD691861635A8BC9032@GVAP278MB0278.CHEP278.PROD.OUTLOOK.COM Discussion: https://postgr.es/m/18541-628a61bc267cd2d3@postgresql.org
* Make all Perl warnings fatal in 043_wal_replay_wait.plAlexander Korotkov2024-10-22
| | | | | | | | This file was committed after c5385929593, but accidentally missed changing all warnings into fatal errors. Reported-by: Anton Voloshin Discussion: https://postgr.es/m/aa8a55d5-554a-4027-a491-1b0ca7c85f7a%40postgrespro.ru
* Fix wrong assertion and poor error messages in "COPY (query) TO".Tom Lane2024-10-21
| | | | | | | | | | | | | | | If the query is rewritten into a NOTIFY command by a DO INSTEAD rule, we'd get an assertion failure, or in non-assert builds issue a rather confusing error message. Improve that. Also fix a longstanding grammar mistake in a nearby error message. Per bug #18664 from Alexander Lakhin. Back-patch to all supported branches. Tender Wang and Tom Lane Discussion: https://postgr.es/m/18664-ffd0ebc2386598df@postgresql.org
* injection_points: Add basic isolation testMichael Paquier2024-10-21
| | | | | | | | | | | This test can act as a template when implementing an isolation test with injection points, and tracks in a much simpler way some of the behaviors implied in the existing isolation test "inplace" that has been added in c35f419d6efb. Particularly, a detach does not affect a backend wait; a wait needs to be interrupted by a wakeup. Reviewed-by: Bertrand Drouvot Discussion: https://postgr.es/m/ZxGTONm_ctQz--io@paquier.xyz
* SQL/JSON: Fix some oversights in commit b6e1157e7Amit Langote2024-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The decision in b6e1157e7 to ignore raw_expr when evaluating a JsonValueExpr was incorrect. While its value is not ultimately used (since formatted_expr's value is), failing to initialize it can lead to problems, for instance, when the expression tree in raw_expr contains Aggref nodes, which must be initialized to ensure the parent Agg node works correctly. Also, optimize eval_const_expressions_mutator()'s handling of JsonValueExpr a bit. Currently, when formatted_expr cannot be folded into a constant, we end up processing it twice -- once directly in eval_const_expressions_mutator() and again recursively via ece_generic_processing(). This recursive processing is required to handle raw_expr. To avoid the redundant processing of formatted_expr, we now process raw_expr directly in eval_const_expressions_mutator(). Finally, update the comment of JsonValueExpr to describe the roles of raw_expr and formatted_expr more clearly. Bug: #18657 Reported-by: Alexander Lakhin <exclusion@gmail.com> Diagnosed-by: Fabio R. Sluzala <fabio3rs@gmail.com> Diagnosed-by: Tender Wang <tndrwang@gmail.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/18657-1b90ccce2b16bdb8@postgresql.org Backpatch-through: 16
* Disable autovacuum for tables in stats import tests.Jeff Davis2024-10-18
| | | | | | | | While we haven't observed any test instability, it seems like a good idea to disable autovacuum during the stats import tests. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=fajh1Lpcyr_XsMmq-9Z=SGk-u+_Zeac7Pt0RAN3uiVCg@mail.gmail.com
* Allow pg_set_relation_stats() to set relpages to -1.Jeff Davis2024-10-18
| | | | | | | | | While the default value for relpages is 0, if a partitioned table with at least one child has been analyzed, then the partititoned table will have a relpages value of -1. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=fajh1Lpcyr_XsMmq-9Z=SGk-u+_Zeac7Pt0RAN3uiVCg@mail.gmail.com
* Fix memory leaks from incorrect strsep() usesPeter Eisentraut2024-10-18
| | | | | | | | | | | | | | Commit 5d2e1cc117b introduced some strsep() uses, but it did the memory management wrong in some cases. We need to keep a separate pointer to the allocate memory so that we can free it later, because strsep() advances the pointer we pass to it, and it at the end it will be NULL, so any free() calls won't do anything. (This fixes two of the four places changed in commit 5d2e1cc117b. The other two don't have this problem.) Reported-by: Alexander Lakhin <exclusion@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/79692bf9-17d3-41e6-b9c9-fc8c3944222a@eisentraut.org
* Fix description of PostgreSQL::Test::Cluster::wait_for_event()Michael Paquier2024-10-18
| | | | | | | | | The arguments of the function were listed in an incorrect order in the description of the routine. This information can be seen with perldoc. Issue spotted while working on this area of the code. Backpatch-through: 17
* Remove superfluous forward declarationPeter Eisentraut2024-10-17
| | | | The need for this was removed by commit dc9c3b0ff21.
* Fix whitespacePeter Eisentraut2024-10-17
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* Fix unusual include stylePeter Eisentraut2024-10-17
| | | | Project-internal header files should be included using " ", not < >.
* Don't store intermediate hash values in ExprState->resvalueDavid Rowley2024-10-17
| | | | | | | | | | | | | | | | | | | | | | | adf97c156 made it so ExprStates could support hashing and changed Hash Join to use that instead of manually extracting Datums from tuples and hashing them one column at a time. When hashing multiple columns or expressions, the code added in that commit stored the intermediate hash value in the ExprState's resvalue field. That was a mistake as steps may be injected into the ExprState between each hashing step that look at or overwrite the stored intermediate hash value. EEOP_PARAM_SET is an example of such a step. Here we fix this by adding a new dedicated field for storing intermediate hash values and adjust the code so that all apart from the final hashing step store their result in the intermediate field. In passing, rename a variable so that it's more aligned to the surrounding code and also so a few lines stay within the 80 char margin. Reported-by: Andres Freund Reviewed-by: Alena Rybakina <a.rybakina@postgrespro.ru> Discussion: https://postgr.es/m/CAApHDvqo9eenEFXND5zZ9JxO_k4eTA4jKMGxSyjdTrsmYvnmZw@mail.gmail.com
* Fix validation of COPY FORCE_NOT_NULL/FORCE_NULL for the all-column casesMichael Paquier2024-10-17
| | | | | | | | | | | | | | | | | | This commit adds missing checks for COPY FORCE_NOT_NULL and FORCE_NULL when applied to all columns via "*". These options now correctly require CSV mode and are disallowed in COPY TO, making their behavior consistent with FORCE_QUOTE. Some regression tests are added to verify the correct behavior for the all-columns case, including FORCE_QUOTE, which was not tested. Backpatch down to 17, where support for the all-column grammar with FORCE_NOT_NULL and FORCE_NULL has been added. Author: Joel Jacobson Reviewed-by: Zhang Mingli Discussion: https://postgr.es/m/65030d1d-5f90-4fa4-92eb-f5f50389858e@app.fastmail.com Backpatch-through: 17
* Rewrite some regression queries for option checks with COPYMichael Paquier2024-10-17
| | | | | | | | | | | | | | | | Some queries in copy2 are there to check various option combinations, and used "stdin" or "stdout" incompatible with the COPY TO or FROM clauses combined with them, which was confusing. This commit rewrites these queries to use a compatible grammar. The coverage of the tests is unchanged. Like the original commit 451d1164b9d0, backpatch down to 16 where these have been introduced. A follow-up commit will rely on this area of the tests for a bug fix. Author: Joel Jacobson Reviewed-by: Zhang Mingli Discussion: https://postgr.es/m/65030d1d-5f90-4fa4-92eb-f5f50389858e@app.fastmail.com Backpatch-through: 16
* Allow TAP tests to force checksums off when calling init()Peter Eisentraut2024-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | TAP tests can write $node->init(no_data_checksums => 1); to initialize a cluster explicitly without checksums. Currently, this is the default, but this change allows running all tests with checksums enabled, like PG_TEST_INITDB_EXTRA_OPTS=--data-checksums meson test ... And this also prepares the tests for when we switch the default to checksums enabled. The pg_checksums tests need to disable checksums so it can test its own functionality of enabling checksums. The amcheck/pg_amcheck tests need to disable checksums because they manually introduce corruption that they want to detect, but with checksums enabled, the checksum verification will fail before they even get to their work. Author: Greg Sabino Mullane <greg@turnstep.com> Reviewed-by: Nathan Bossart <nathandbossart@gmail.com> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Discussion: https://www.postgresql.org/message-id/flat/CAKAnmmKwiMHik5AHmBEdf5vqzbOBbcwEPHo4-PioWeAbzwcTOQ@mail.gmail.com
* Run pgperltidy on newly-added test codePeter Eisentraut2024-10-14
| | | | From commit 85ec945b78 (but apparently not caught by 05d1b9b5c2).
* Correctly identify which EC members are computable at a plan node.Tom Lane2024-10-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | find_computable_ec_member() had the wrong mental model of what its primary caller prepare_sort_from_pathkeys() would do with the selected EquivalenceClass member expression. We will not compute the EC expression in a plan node atop the one returning the passed-in targetlist; rather, the EC expression will be computed as an additional column of that targetlist. So any Var or quasi-Var used in the given tlist is also available to the EC expression. In simple cases this makes no difference because the given tlist is just a list of Vars or quasi-Vars --- but if we are considering an appendrel member produced by flattening a UNION ALL, the tlist may contain expressions, resulting in failure to match and a "could not find pathkey item to sort" error. To fix, we can flatten both the tlist and the EC members with pull_var_clause(), and then just check for subset-ness, so that the code is actually shorter than before. While this bug is quite old, the present patch only works back to v13. We could possibly make it work in v12 by back-patching parts of 375398244. On the whole though I don't like the risk/reward ratio of that idea. v12's final release is next month, meaning there would be no chance to correct matters if the patch causes a regression. Since this failure has escaped notice for 14 years, it's likely nobody will hit it in the field with v12. Per bug #18652 from Alexander Lakhin. Andrei Lepikhov and Tom Lane Discussion: https://postgr.es/m/18652-deaa782ebcca85d1@postgresql.org
* Create functions pg_set_relation_stats, pg_clear_relation_stats.Jeff Davis2024-10-11
| | | | | | | | | | | These functions are used to tweak statistics on any relation, provided that the user has MAINTAIN privilege on the relation, or is the database owner. Bump catalog version. Author: Corey Huinker Discussion: https://postgr.es/m/CADkLM=eErgzn7ECDpwFcptJKOk9SxZEk5Pot4d94eVTZsvj3gw@mail.gmail.com
* Add pg_ls_summariesdir().Nathan Bossart2024-10-11
| | | | | | | | | | | | | | | | This function returns the name, size, and last modification time of each regular file in pg_wal/summaries. This allows administrators to grant privileges to view the contents of this directory without granting privileges on pg_ls_dir(), which allows listing the contents of many other directories. This commit also gives the pg_monitor predefined role EXECUTE privileges on the new pg_ls_summariesdir() function. Bumps catversion. Author: Yushi Ogiwara Reviewed-by: Michael Paquier, Fujii Masao Discussion: https://postgr.es/m/a0a3af15a9b9daa107739eb45aa9a9bc%40oss.nttdata.com
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