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* An addition to 8c441c08279Alexander Korotkov2024-01-09
| | | | | Given that now SJE doesn't work with result relation, turn a code dealing with that into an assert that it shouldn't happen.
* Forbid SJE with result relationAlexander Korotkov2024-01-09
| | | | | | | | | | The target relation for INSERT/UPDATE/DELETE/MERGE has a different behavior than other relations in EvalPlanQual() and RETURNING clause. This is why we forbid target relation to be either source or target relation in SJE. It's not clear if we could ever support this. Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/b9e8f460-f9a6-0e9b-e8ba-60d59f0bc22c%40gmail.com
* Fix misuse of RelOptInfo.unique_for_rels cache by SJEAlexander Korotkov2024-01-09
| | | | | | | | | | | When SJE uses RelOptInfo.unique_for_rels cache, it passes filtered quals to innerrel_is_unique_ext(). That might lead to an invalid match to cache entries made by previous non self-join checking calls. Add UniqueRelInfo.self_join flag to prevent such cases. Also, fix that SJE should require a strict match of outerrelids to make sure UniqueRelInfo.extra_clauses are valid. Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/4788f781-31bd-9796-d7d6-588a751c8787%40gmail.com
* Make dblink interruptible, via new libpqsrv APIs.Noah Misch2024-01-08
| | | | | | | | | | | | | | | This replaces dblink's blocking libpq calls, allowing cancellation and allowing DROP DATABASE (of a database not involved in the query). Apart from explicit dblink_cancel_query() calls, dblink still doesn't cancel the remote side. The replacement for the blocking calls consists of new, general-purpose query execution wrappers in the libpqsrv facility. Out-of-tree extensions should adopt these. Use them in postgres_fdw, replacing a local implementation from which the libpqsrv implementation derives. This is a bug fix for dblink. Code inspection identified the bug at least thirteen years ago, but user complaints have not appeared. Hence, no back-patch for now. Discussion: https://postgr.es/m/20231122012945.74@rfd.leadboat.com
* Remove excess #include "utils/wait_event.h".Noah Misch2024-01-08
| | | | | | | This simplifies copying libpq/libpq-be-fe-helpers.h into extensions, because some supported PostgreSQL versions lack the other header. Discussion: https://postgr.es/m/20231122012945.74@rfd.leadboat.com
* Fix missing word in comment.Noah Misch2024-01-08
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* Fix indentation in ExecParallelHashIncreaseNumBatches()Alexander Korotkov2024-01-08
| | | | Backpatch-through: 12
* Allow examine_simple_variable() to work on INSERT RETURNING Vars.Tom Lane2024-01-08
| | | | | | | | | | | | | | | | | | | | | Since commit 599b33b94, this function assumed that every RTE_RELATION RangeTblEntry would have an associated RelOptInfo. But that's not so: we only build RelOptInfos for relations that are scanned by the query. In particular the target of an INSERT won't have one, so that Vars appearing in an INSERT ... RETURNING list will not have an associated RelOptInfo. This apparently wasn't a problem before commit f7816aec2 taught examine_simple_variable() to drill down into CTEs containing INSERT RETURNING, but it is now. To fix, add a fallback code path that gets the userid to use directly from the RTEPermissionInfo associated with the RTE. (Sadly, we must have two code paths, because not every RTE has a RTEPermissionInfo either.) Per report from Alexander Lakhin. No back-patch, since the case is apparently unreachable before f7816aec2. Discussion: https://postgr.es/m/608a4886-6c60-0f9e-97d5-591256bd4150@gmail.com
* Strengthen tests for 5ef34a8fc3Alexander Korotkov2024-01-08
| | | | | | | | | | The test query in 5ef34a8fc3 is running over the empty emp1 table giving the same (empty) return both with and without the fix. Add one row to that table to make not just the test query plan, but also the test query result different. Reported-by: Richard Guo Bug: #18261 Discussion: https://postgr.es/m/CAMbWs49igjcszLgicb4D1N21_5iNDoxheJ7KFmAcs_z%3DLx6jhg%40mail.gmail.com
* Fix oversized memory allocation in Parallel Hash JoinAlexander Korotkov2024-01-07
| | | | | | | | | | | | During the calculations of the maximum for the number of buckets, take into account that later we round that to the next power of 2. Reported-by: Karen Talarico Bug: #16925 Discussion: https://postgr.es/m/16925-ec96d83529d0d629%40postgresql.org Author: Thomas Munro, Andrei Lepikhov, Alexander Korotkov Reviewed-by: Alena Rybakina Backpatch-through: 12
* Fix the issue that SJE mistakenly omits qual clausesAlexander Korotkov2024-01-06
| | | | | | | | | | | | | | | | | | | | | | | | | When the SJE code handles the transfer of qual clauses from the removed relation to the remaining one, it replaces the Vars of the removed relation with the Vars of the remaining relation for each clause, and then reintegrates these clauses into the appropriate restriction or join clause lists, while attempting to avoid duplicates. However, the code compares RestrictInfo->clause to determine if two clauses are duplicates. This is just flat wrong. Two RestrictInfos with the same clause can have different required_relids, incompatible_relids, is_pushed_down, and so on. This can cause qual clauses to be mistakenly omitted, leading to wrong results. This patch fixes it by comparing the entire RestrictInfos not just their clauses ignoring 'rinfo_serial' field (otherwise almost all RestrictInfos will be unique). Making 'rinfo_serial' equal_ignore would break other code. This is why this commit implements our own comparison function for checking the equality of RestrictInfos. Reported-by: Zuming Jiang Bug: #18261 Discussion: https://postgr.es/m/18261-2a75d748c928609b%40postgresql.org Author: Richard Guo
* Clean up some edge cases in plpgsql's %TYPE parsing.Tom Lane2024-01-05
| | | | | | | | | | | | Support referencing a composite-type variable in %TYPE. Remove the undocumented, untested, and pretty useless ability to have the subject of %TYPE be an (unqualified) type name. You get the same result by just not writing %TYPE. Add or adjust some test cases to improve code coverage here. Discussion: https://postgr.es/m/716852.1704402127@sss.pgh.pa.us
* Add copyright notices to a few perl scripts that don't have themAndrew Dunstan2024-01-05
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* Fix corruption of local buffer state during extend of temp relationMichael Paquier2024-01-05
| | | | | | | | | | | | | | | | | | | | A typo has been introduced by 31966b151e6a when updating the state of a local buffer when a temporary relation is extended, for the case of a block included in the relation range extended, when it is already found in the hash table holding the local buffers. In this case, BM_VALID should be cleared, but the buffer state was changed so as BM_VALID remained while clearing the other flags. As reported on the thread, it was possible to corrupt the state of the local buffers on ENOSPC, but the states would be corrupted on any kind of ERROR during the relation extend (like partial writes or some other errno). Reported-by: Alexander Lakhin Author: Tender Wang Reviewed-by: Richard Guo, Alexander Lakhin, Michael Paquier Discussion: https://postgr.es/m/18259-6e256429825dd435@postgresql.org Backpatch-through: 16
* Teach estimate_array_length() to use statistics where available.Tom Lane2024-01-04
| | | | | | | | | | | | | | | | | | | If we have DECHIST statistics about the argument expression, use the average number of distinct elements as the array length estimate. (It'd be better to use the average total number of elements, but that is not currently calculated by compute_array_stats(), and it's unclear that it'd be worth extra effort to get.) To do this, we have to change the signature of estimate_array_length to pass the "root" pointer. While at it, also change its result type to "double". That's probably not really necessary, but it avoids any risk of overflow of the value extracted from DECHIST. All existing callers are going to use the result in a "double" calculation anyway. Paul Jungwirth, reviewed by Jian He and myself Discussion: https://postgr.es/m/CA+renyUnM2d+SmrxKpDuAdpiq6FOM=FByvi6aS6yi__qyf6j9A@mail.gmail.com
* Add macros for looping through a List without a ListCell.Nathan Bossart2024-01-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many foreach loops only use the ListCell pointer to retrieve the content of the cell, like so: ListCell *lc; foreach(lc, mylist) { int myint = lfirst_int(lc); ... } This commit adds a few convenience macros that automatically declare the loop variable and retrieve the current cell's contents. This allows us to rewrite the previous loop like this: foreach_int(myint, mylist) { ... } This commit also adjusts a few existing loops in order to add coverage for the new/adjusted macros. There is presently no plan to bulk update all foreach loops, as that could introduce a significant amount of back-patching pain. Instead, these macros are primarily intended for use in new code. Author: Jelte Fennema-Nio Reviewed-by: David Rowley, Alvaro Herrera, Vignesh C, Tom Lane Discussion: https://postgr.es/m/CAGECzQSwXKnxGwW1_Q5JE%2B8Ja20kyAbhBHO04vVrQsLcDciwXA%40mail.gmail.com
* In plpgsql, allow %TYPE and %ROWTYPE to be followed by array decoration.Tom Lane2024-01-04
| | | | | | | | | This provides the useful ability to declare a variable that is an array of the type of some other variable or some table column. Quan Zongliang, Pavel Stehule Discussion: https://postgr.es/m/ec4523e1-9e7e-f3ef-f9ce-bafd680ad6f6@yeah.net
* ALTER TABLE command to change generation expressionPeter Eisentraut2024-01-04
| | | | | | | | | | | | | | | | | | | This adds a new ALTER TABLE subcommand ALTER COLUMN ... SET EXPRESSION that changes the generation expression of a generated column. The syntax is not standard but was adapted from other SQL implementations. This command causes a table rewrite, using the usual ALTER TABLE mechanisms. The implementation is similar to and makes use of some of the infrastructure of the SET DATA TYPE subcommand (for example, rebuilding constraints and indexes afterwards). The new command requires a new pass in AlterTablePass, and the ADD COLUMN pass had to be moved earlier so that combinations of ADD COLUMN and SET EXPRESSION can work. Author: Amul Sul <sulamul@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/CAAJ_b94yyJeGA-5M951_Lr+KfZokOp-2kXicpmEhi5FXhBeTog@mail.gmail.com
* Fix use of incorrect TupleTableSlot in DISTINCT aggregatesDavid Rowley2024-01-04
| | | | | | | | | | | | | | | | | | | | | | 1349d2790 added code to allow DISTINCT and ORDER BY aggregates to work more efficiently by using presorted input. That commit added some code that made use of the AggState's tmpcontext and adjusted the ecxt_outertuple and ecxt_innertuple slots before checking if the current row is distinct from the previously seen row. That code forgot to set the TupleTableSlots back to what they were originally, which could result in errors such as: ERROR: attribute 1 of type record has wrong type This only affects aggregate functions which have multiple arguments when DISTINCT is used. For example: string_agg(DISTINCT col, ', ') Thanks to Tom Lane for identifying the breaking commit. Bug: #18264 Reported-by: Vojtěch Beneš Discussion: https://postgr.es/m/18264-e363593d7e9feb7d@postgresql.org Backpatch-through: 16, where 1349d2790 was added
* Track conflict_reason in pg_replication_slots.Amit Kapila2024-01-04
| | | | | | | | | | | | | | | | | | | | | This patch changes the existing 'conflicting' field to 'conflict_reason' in pg_replication_slots. This new field indicates the reason for the logical slot's conflict with recovery. It is always NULL for physical slots, as well as for logical slots which are not invalidated. The non-NULL values indicate that the slot is marked as invalidated. Possible values are: wal_removed = required WAL has been removed. rows_removed = required rows have been removed. wal_level_insufficient = the primary doesn't have a wal_level sufficient to perform logical decoding. The existing users of 'conflicting' column can get the same answer by using 'conflict_reason' IS NOT NULL. Author: Shveta Malik Reviewed-by: Amit Kapila, Bertrand Drouvot, Michael Paquier Discussion: https://postgr.es/m/ZYOE8IguqTbp-seF@paquier.xyz
* Update copyright for 2024Bruce Momjian2024-01-03
| | | | | | | | Reported-by: Michael Paquier Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz Backpatch-through: 12
* Avoid masking EOF (no-password-supplied) conditions in auth.c.Tom Lane2024-01-03
| | | | | | | | | | | | | | | CheckPWChallengeAuth() would return STATUS_ERROR if the user does not exist or has no password assigned, even if the client disconnected without responding to the password challenge (as libpq often will, for example). We should return STATUS_EOF in that case, and the lower-level functions do, but this code level got it wrong since the refactoring done in 7ac955b34. This breaks the intent of not logging anything for EOF cases (cf. comments in auth_failed()) and might also confuse users of ClientAuthentication_hook. Per report from Liu Lang. Back-patch to all supported versions. Discussion: https://postgr.es/m/b725238c-539d-cb09-2bff-b5e6cb2c069c@esgyn.cn
* Second attempt at organizing jsonpath operators and methodsPeter Eisentraut2024-01-03
| | | | | | | Second attempt at 283a95da923. Since we can't reorder the enum values of JsonPathItemType, instead reorder the switch cases where they are used to generally follow the order of the enum values, for better maintainability.
* Revert "Reorganise jsonpath operators and methods"Peter Eisentraut2024-01-03
| | | | | | | | This reverts commit 283a95da923605c1cc148155db2d865d0801b419. The reordering of JsonPathItemType affects the binary on-disk compatibility of the jsonpath type, so we must not change it. Revert for now and consider.
* Fix defects in PrepareForIncrementalBackup.Robert Haas2024-01-03
| | | | | | | | | | | Swap the arguments to TimestampDifferenceMilliseconds so that we get a positive answer instead of zero. Then use the result of that computation instead of ignoring it. Per reports from Alexander Lakhin. Discussion: http://postgr.es/m/8b686764-7ac1-74c3-70f9-b64685a2535f@gmail.com
* Make Perl warnings fatal in newly added TAP testsPeter Eisentraut2024-01-03
| | | | | | | New TAP tests added by commits 9a17be1e and 4710b67d missed to convert warnings to FATAL. This commit fixes that. Author: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
* Reorganise jsonpath operators and methodsPeter Eisentraut2024-01-03
| | | | | | | | | Various jsonpath operators and methods add various keywords, switch cases, and documentation entries in some order. However, they are not consistent; reorder them for better maintainability or readability. Author: Jeevan Chalke <jeevan.chalke@enterprisedb.com> Discussion: https://www.postgresql.org/message-id/flat/CAM2+6=XjTyqrrqHAOj80r0wVQxJSxc0iyib9bPC55uFO9VKatg@mail.gmail.com
* Add numeric_int8_opt_error() to optionally suppress errorsPeter Eisentraut2024-01-03
| | | | | | | | | | This matches the existing numeric_int4_opt_error() (see commit 16d489b0fe). It will be used by a future JSON-related patch, which wants to report errors in its own way and thus does not want the internal functions to throw any error. Author: Jeevan Chalke <jeevan.chalke@enterprisedb.com> Discussion: https://www.postgresql.org/message-id/flat/CAM2+6=XjTyqrrqHAOj80r0wVQxJSxc0iyib9bPC55uFO9VKatg@mail.gmail.com
* Refactor: separate function to find all objects depending on a columnPeter Eisentraut2024-01-03
| | | | | | | | | Move code from ATExecAlterColumnType() that finds the all the objects that depend on the column to a separate function. A future patch will reuse this code. Author: Amul Sul <sulamul@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/CAAJ_b94yyJeGA-5M951_Lr+KfZokOp-2kXicpmEhi5FXhBeTog@mail.gmail.com
* Fix some typosMichael Paquier2024-01-03
| | | | | | Author: Dagfinn Ilmari Mannsåker Reviewed-by: Shubham Khanna Discussion: https://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org
* Remove unnecessary PGDATABASE settings from TAP testsMichael Paquier2024-01-03
| | | | | | | | | | | | | Some of the TAP tests have been historically setting the environment variable PGDATABASE to 'postgres', which is not needed because PostgreSQL::Test::Cluster already sets it when initialized. This commit removes these explicit setups. Note that the dependency of cluster -a with PGDATABASE (from 1caef31d9e55) is still documented. Author: Bharath Rupireddy Discussion: https://postgr.es/m/CALj2ACXLAz5dW3ZP+Fec8g6jQMMmDyCVT+qdbye2h7QJJmhsdw@mail.gmail.com
* Minor fixes for search path cache code.Tom Lane2024-01-02
| | | | | | | | Avoid leaving a dangling pointer in the unlikely event that nsphash_create fails. Improve comments, and fix formatting by adding typedefs.list entries. Discussion: https://postgr.es/m/3972900.1704145107@sss.pgh.pa.us
* Remove Lock suffix from WALSummarizerLock in wait_event_names.txtRobert Haas2024-01-02
| | | | | | Nathan Bossart Discussion: https://postgr.es/m/20240102173120.GA1061678@nathanxps13
* jsonpath_exec: fix typo "absense" -> "absence"Robert Haas2024-01-02
| | | | | | Dagfinn Ilmari Mannsåker, reviewed by Shubham Khanna. Discussion: http://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org
* libpq: fix typo "occurences" -> "occurrences" in testsRobert Haas2024-01-02
| | | | | | Dagfinn Ilmari Mannsåker, reviewed by Shubham Khanna. Discussion: http://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org
* gist: fix typo "split(t)ed" -> "split"Robert Haas2024-01-02
| | | | | | Dagfinn Ilmari Mannsåker, reviewed by Shubham Khanna. Discussion: http://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org
* tsquery: fix typo "rewrited" -> "rewritten"Robert Haas2024-01-02
| | | | | | Dagfinn Ilmari Mannsåker, reviewed by Shubham Khanna. Discussion: http://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org
* Fix typos in comments and in one isolation test.Robert Haas2024-01-02
| | | | | | | Dagfinn Ilmari Mannsåker, reviewed by Shubham Khanna. Some subtractions by me. Discussion: http://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org
* Add WALSummarizerLock to wait_event_names.txtRobert Haas2024-01-02
| | | | | | Per report from Nathan Bossart. Discussion: http://postgr.es/m/20231227153647.GA601861@nathanxps13
* Fix typos in simplehash.hPeter Eisentraut2024-01-02
| | | | | Author: Richard Guo <guofenglinux@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/18252-d46d27900a277d87@postgresql.org
* Replace the relid in some missing fields during SJEAlexander Korotkov2024-01-02
| | | | | | Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/a89f480f-8143-0965-f22d-0a892777f501%40gmail.com Author: Andrei Lepikhov
* Allow upgrades to preserve the full subscription's state.Amit Kapila2024-01-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This feature will allow us to replicate the changes on subscriber nodes after the upgrade. Previously, only the subscription metadata information was preserved. Without the list of relations and their state, it's not possible to re-enable the subscriptions without missing some records as the list of relations can only be refreshed after enabling the subscription (and therefore starting the apply worker). Even if we added a way to refresh the subscription while enabling a publication, we still wouldn't know which relations are new on the publication side, and therefore should be fully synced, and which shouldn't. To preserve the subscription relations, this patch teaches pg_dump to restore the content of pg_subscription_rel from the old cluster by using binary_upgrade_add_sub_rel_state SQL function. This is supported only in binary upgrade mode. The subscription's replication origin is needed to ensure that we don't replicate anything twice. To preserve the replication origins, this patch teaches pg_dump to update the replication origin along with creating a subscription by using binary_upgrade_replorigin_advance SQL function to restore the underlying replication origin remote LSN. This is supported only in binary upgrade mode. pg_upgrade will check that all the subscription relations are in 'i' (init) or in 'r' (ready) state and will error out if that's not the case, logging the reason for the failure. This helps to avoid the risk of any dangling slot or origin after the upgrade. Author: Vignesh C, Julien Rouhaud, Shlok Kyal Reviewed-by: Peter Smith, Masahiko Sawada, Michael Paquier, Amit Kapila, Hayato Kuroda Discussion: https://postgr.es/m/20230217075433.u5mjly4d5cr4hcfe@jrouhaud
* Turn AT_PASS_* macros into an enumPeter Eisentraut2024-01-01
| | | | | | | | This make this code simpler and easier to follow. Also, patches that want to change the passes won't have to renumber the whole list. Reviewed-by: Amul Sul <sulamul@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/CAAJ_b94yyJeGA-5M951_Lr+KfZokOp-2kXicpmEhi5FXhBeTog@mail.gmail.com
* Exclude files generated by generate-wait_event_types.pl from pgindentMichael Paquier2023-12-31
| | | | | | | | | The format of these files becomes arguably worse after being indented, and, as they are generated, there is no point in applying an indentation anyway. Author: Bharath Rupireddy Discussion: https://postgr.es/m/CALj2ACW2JUocmieuR3n9AXL4iSsHcL1LmNkiukuFRUvKNMoiKg@mail.gmail.com
* Fix parallel BRIN builds with synchronized scansTomas Vondra2023-12-30
| | | | | | | | | | | | | | | | | | The brinbuildCallbackParallel callback used by parallel BRIN builds did not consider that the parallel table scans may be synchronized, starting from an arbitrary block and then wrap around. If this happened and the scan actually did wrap around, tuples from the beginning of the table were added to the last range produced by the same worker. The index would be missing range at the beginning of the table, while the last range would be too wide. This would not produce incorrect query results, but it'd be less efficient. Fixed by checking for both past and future ranges in the callback. The worker may produce multiple summaries for the same page range, but the leader will merge them as if the summaries came from different workers. Discussion: https://postgr.es/m/c2ee7d69-ce17-43f2-d1a0-9811edbda6e6%40enterprisedb.com
* Minor cleanup of the BRIN parallel build codeTomas Vondra2023-12-30
| | | | | | | | | | | | | | | | | | | Commit b437571714 added support for parallel builds for BRIN indexes, using code similar to BTREE parallel builds, and also a new tuplesort variant. This commit simplifies the new code in two ways: * The "spool" grouping tuplesort and the heap/index is not necessary. The heap/index are available as separate arguments, causing confusion. So remove the spool, and use the tuplesort directly. * The new tuplesort variant does not need the heap/index, as it sorts simply by the range block number, without accessing the tuple data. So simplify that too. Initial report and patch by Ranier Vilela, further cleanup by me. Author: Ranier Vilela Discussion: https://postgr.es/m/CAEudQAqD7f2i4iyEaAz-5o-bf6zXVX-AkNUBm-YjUXEemaEh6A%40mail.gmail.com
* Don't send "cannot connect" errors on invalid startup packetHeikki Linnakangas2023-12-30
| | | | | | | | | | Commit 16671ba6e7 moved the code that sends "sorry, too many clients already" and other such messages, but it had the effect that we would send that error even if the the startup packet processing failed, e.g. because the client sent an invalid startup packet. That was not intentional. Spotted while reading the code again.
* Add GUC backtrace_on_internal_errorPeter Eisentraut2023-12-30
| | | | | | | | | | | | | | | When enabled (default off), this logs a backtrace anytime elog() or an equivalent ereport() for internal errors is called. This is not well covered by the existing backtrace_functions, because there are many equally-worded low-level errors in many functions. And if you find out where the error is, then you need to manually rewrite the elog() to ereport() to attach the errbacktrace(), which is annoying. Having a backtrace automatically on every elog() call could be very helpful during development for various kinds of common errors from palloc, syscache, node support, etc. Discussion: https://www.postgresql.org/message-id/flat/ba76c6bc-f03f-4285-bf16-47759cfcab9e@eisentraut.org
* Follow-up fixes for "Make all Perl warnings fatal"Peter Eisentraut2023-12-29
| | | | | Mostly, we need to check whether $ENV{PG_TEST_EXTRA} is set before doing regular expression matches against it.
* Fix collate.windows.win1252 test.Jeff Davis2023-12-29
| | | | | | | | | Do not rely on the OS recognizing a particular locale; find the right locale by querying the "en_US" collation. Author: Alexander Lakhin Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/ae73f6f5-8221-c112-4640-5cda812a69de@gmail.com
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