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* Add isolation tests for the combination of EPQ and triggers.Andres Freund2019-10-04
| | | | | | | | | | | | | | | | As evidenced by bug #16036 this area is woefully under-tested. Add fairly extensive tests for the combination. Backpatch back to 9.6 - before that isolationtester was not capable enough. While we don't backpatch tests all the time, future fixes to trigger.c would potentially look different enough in 12+ from the earlier branches that introducing bugs during backpatching is more likely than normal. Also, it's just a crucial and undertested area of the code. Author: Andres Freund Discussion: https://postgr.es/m/16036-28184c90d952fb7f@postgresql.org Backpatch: 9.6-, the earliest these tests work
* Fix crash caused by EPQ happening with a before update trigger present.Andres Freund2019-10-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When ExecBRUpdateTriggers()'s GetTupleForTrigger() follows an EPQ chain the former needs to run the result tuple through the junkfilter again, and update the slot containing the new version of the tuple to contain that new version. The input tuple may already be in the junkfilter's output slot, which used to be OK - we don't need the previous version anymore. Unfortunately ff11e7f4b9ae started to use ExecCopySlot() to update newslot, and ExecCopySlot() doesn't support copying a slot into itself, leading to a slot in a corrupt state, which then can cause crashes or other symptoms. Fix this by skipping the ExecCopySlot() when copying into itself. While we could have easily made ExecCopySlot() handle that case, it seems better to add an assert forbidding doing so instead. As the goal of copying might be to make the contents of one slot independent from another, it seems failure prone to handle doing so silently. A follow-up commit will add tests for the obviously under-covered combination of EPQ and triggers. Done as a separate commit as it might make sense to backpatch them further than this bug. Also remove confusion with confusing variable names for slots in ExecBRDeleteTriggers() and ExecBRUpdateTriggers(). Bug: #16036 Reported-By: Антон Власов Author: Andres Freund Discussion: https://postgr.es/m/16036-28184c90d952fb7f@postgresql.org Backpatch: 12-, where ff11e7f4b9ae was merged
* Use a fd opened for read/write when syncing slots during startup, take 2.Andres Freund2019-10-04
| | | | | | | | | | | | | | | | | | | | | | | Cribbing from dfbaed45975: Some operating systems, including the reporter's windows, return EBADFD or similar when fsync() is invoked on a O_RDONLY file descriptor. Unfortunately RestoreSlotFromDisk() does exactly that; which causes failures after restarts in at least some scenarios. If you hit the bug the error message will be something like ERROR: could not fsync file "pg_replslot/$name/state": Bad file descriptor Simply use O_RDWR instead of O_RDONLY when opening the relevant file descriptor to fix the bug. Unfortunately this fix was undone in 82a5649fb9db. Re-apply, and add a comment. Bug: 16039 Reported-By: Hans Buschmann Author: Andres Freund Discussion: https://postgr.es/m/16039-196fc97cc05e141c@postgresql.org Backpatch: 12-, as 82a5649fb9db
* Handle spaces in OpenSSL install location for MSVCAndrew Dunstan2019-10-04
| | | | | | | | | First, make sure that the .exe name is quoted when trying to get the version number. Also, don't quote the lib name for using in the project files if it's already been quoted. This second change applies to all libraries, not just OpenSSL. This has clearly been broken forever, so backpatch to all live branches.
* Fix bitshiftright()'s zero-padding some more.Tom Lane2019-10-04
| | | | | | | | | | | | | | | Commit 5ac0d9360 failed to entirely fix bitshiftright's habit of leaving one-bits in the pad space that should be all zeroes, because in a moment of sheer brain fade I'd concluded that only the code path used for not-a-multiple-of-8 shift distances needed to be fixed. Of course, a multiple-of-8 shift distance can also cause the problem, so we need to forcibly zero the extra bits in both cases. Per bug #16037 from Alexander Lakhin. As before, back-patch to all supported branches. Discussion: https://postgr.es/m/16037-1d1ebca564db54f4@postgresql.org
* Fix --dry-run mode of pg_rewindMichael Paquier2019-10-04
| | | | | | | | | | | Even if --dry-run mode was specified, the control file was getting updated, preventing follow-up runs of pg_rewind to work properly on the target data folder. The origin of the problem came from the refactoring done by ce6afc6. Author: Alexey Kondratov Discussion: https://postgr.es/m/7ca88204-3e0b-2f4c-c8af-acadc4b266e5@postgrespro.ru Backpatch-through: 12
* Avoid unnecessary out-of-memory errors during encoding conversion.Tom Lane2019-10-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Encoding conversion uses the very simplistic rule that the output can't be more than 4X longer than the input, and palloc's a buffer of that size. This results in failure to convert any string longer than 1/4 GB, which is becoming an annoying limitation. As a band-aid to improve matters, allow the allocated output buffer size to exceed 1GB. We still insist that the final result fit into MaxAllocSize (1GB), though. Perhaps it'd be safe to relax that restriction, but it'd require close analysis of all callers, which is daunting (not least because external modules might call these functions). For the moment, this should allow a 2X to 4X improvement in the longest string we can convert, which is a useful gain in return for quite a simple patch. Also, once we have successfully converted a long string, repalloc the output down to the actual string length, returning the excess to the malloc pool. This seems worth doing since we can usually expect to give back several MB if we take this path at all. This still leaves much to be desired, most notably that the assumption that MAX_CONVERSION_GROWTH == 4 is very fragile, and yet we have no guard code verifying that the output buffer isn't overrun. Fixing that would require significant changes in the encoding conversion APIs, so it'll have to wait for some other day. The present patch seems safely back-patchable, so patch all supported branches. Alvaro Herrera and Tom Lane Discussion: https://postgr.es/m/20190816181418.GA898@alvherre.pgsql Discussion: https://postgr.es/m/3614.1569359690@sss.pgh.pa.us
* Allow repalloc() to give back space when a large chunk is downsized.Tom Lane2019-10-03
| | | | | | | | | | | | | | | | | | Up to now, if you resized a large (>8K) palloc chunk down to a smaller size, aset.c made no attempt to return any space to the malloc pool. That's unpleasant if a really large allocation is resized to a significantly smaller size. I think no such cases existed when this code was designed, and I'm not sure whether they're common even yet, but an upcoming fix to encoding conversion will certainly create such cases. Therefore, fix AllocSetRealloc so that it gives realloc() a chance to do something with the block. This doesn't noticeably increase complexity, we mostly just have to change the order in which the cases are considered. Back-patch to all supported branches. Discussion: https://postgr.es/m/20190816181418.GA898@alvherre.pgsql Discussion: https://postgr.es/m/3614.1569359690@sss.pgh.pa.us
* Selectively include window frames in expression walks/mutates.Andrew Gierth2019-10-03
| | | | | | | | | | | | | | | | | | | | query_tree_walker and query_tree_mutator were skipping the windowClause of the query, without regard for the fact that the startOffset and endOffset in a WindowClause node are expression trees that need to be processed. This was an oversight in commit ec4be2ee6 from 2010 which added the expression fields; the main symptom is that function parameters in window frame clauses don't work in inlined functions. Fix (as conservatively as possible since this needs to not break existing out-of-tree callers) and add tests. Backpatch all the way, since this has been broken since 9.0. Per report from Alastair McKinley; fix by me with kibitzing and review from Tom Lane. Discussion: https://postgr.es/m/DB6PR0202MB2904E7FDDA9D81504D1E8C68E3800@DB6PR0202MB2904.eurprd02.prod.outlook.com
* Remove temporary WAL and history files at the end of archive recoveryMichael Paquier2019-10-02
| | | | | | | | | | | | | | | cbc55da has reworked the order of some actions at the end of archive recovery. Unfortunately this overlooked the fact that the startup process needs to remove RECOVERYXLOG (for temporary WAL segment newly recovered from archives) and RECOVERYHISTORY (for temporary history file) at this step, leaving the files around even after recovery ended. Backpatch to 9.5, like the previous commit. Author: Sawada Masahiko Reviewed-by: Fujii Masao, Michael Paquier Discussion: https://postgr.es/m/CAD21AoBO_eDQub6zojFnWtnmutRBWvYf7=cW4Hsqj+U_R26w3Q@mail.gmail.com Backpatch-through: 9.5
* Stamp 12.0.REL_12_0Tom Lane2019-09-30
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* Suppress another CR in program outputAndrew Dunstan2019-09-30
| | | | | | This one was exposed by a12c75a10. Backpatch to release 11 where check_pg_config was introduced.
* Make crash recovery ignore recovery target settings.Fujii Masao2019-09-30
| | | | | | | | | | | | | | | | | | In v11 or before, recovery target settings could not take effect in crash recovery because they are specified in recovery.conf and crash recovery always starts without recovery.conf. But commit 2dedf4d9a8 integrated recovery.conf into postgresql.conf and which unexpectedly allowed recovery target settings to take effect even in crash recovery. This is definitely not good behavior. To fix the issue, this commit makes crash recovery always ignore recovery target settings. Back-patch to v12. Author: Peter Eisentraut Reviewed-by: Fujii Masao Discussion: https://postgr.es/m/e445616d-023e-a268-8aa1-67b8b335340c@pgmasters.net
* jit: Re-allow JIT compilation of execGrouping.c hashtable comparisons.Andres Freund2019-09-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | In the course of 5567d12ce03, 356687bd8 and 317ffdfeaac, I changed BuildTupleHashTable[Ext]'s call to ExecBuildGroupingEqual to not pass in the parent node, but NULL. Which in turn prevents the tuple equality comparator from being JIT compiled. While that fixes bug #15486, it is not actually necessary after all of the above commits, as we don't re-build the comparator when using the new BuildTupleHashTableExt() interface (as the content of the hashtable are reset, but the TupleHashTable itself is not). Therefore re-allow jit compilation for callers that use BuildTupleHashTableExt with a separate context for "metadata" and content. As in the previous commit, there's ongoing work to make this easier to test to prevent such regressions in the future, but that infrastructure is not going to be backpatchable. The performance impact of not JIT compiling hashtable equality comparators can be substantial e.g. for aggregation queries that aggregate a lot of input rows to few output rows (when there are a lot of output groups, there will be fewer comparisons). Author: Andres Freund Discussion: https://postgr.es/m/20190927072053.njf6prdl3vb7y7qb@alap3.anarazel.de Backpatch: 11, just as 5567d12ce03
* Fix determination when slot types for upper executor nodes are fixed.Andres Freund2019-09-29
| | | | | | | | | | | | | | | | | | | | | | | | | For many queries the fact that the tuple descriptor from the lower node was not taken into account when determining whether the type of a slot is fixed, lead to tuple deforming for such upper nodes not to be JIT accelerated. I broke this in 675af5c01e297. There is ongoing work to enable writing regression tests for related behavior (including a patch that would have detected this regression), by optionally showing such details in EXPLAIN. But as it seems unlikely that that will be suitable for stable branches, just merge the fix for now. While it's fairly close to the 12 release window, the fact that 11 continues to perform JITed tuple deforming in these cases, that there's still cases where we do so in 12, and the fact that the performance regression can be sizable, weigh in favor of fixing it now. Author: Andres Freund Discussion: https://postgr.es/m/20190927072053.njf6prdl3vb7y7qb@alap3.anarazel.de Backpatch: 12-, where 675af5c01e297 was merged.
* Translation updatesPeter Eisentraut2019-09-29
| | | | | Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git Source-Git-Hash: 1d66650d203c89e3c69a18be3b4361f5a5393fcf
* Allow SSL TAP tests to run on WindowsAndrew Dunstan2019-09-29
| | | | | | | Windows does not enforce key file permissions checks in libpq, and psql can produce CRLF line endings on Windows. Backpatch to Release 12 (CRLF) and Release 11 (permissions check)
* Fix compilation with older OpenSSL versionsPeter Eisentraut2019-09-28
| | | | | | | | | | | Some older OpenSSL versions (0.9.8 branch) define TLS*_VERSION macros but not the corresponding SSL_OP_NO_* macro, which causes the code for handling ssl_min_protocol_version/ssl_max_protocol_version to fail to compile. To fix, add more #ifdefs and error handling. Reported-by: Victor Wagner <vitus@wagner.pp.ru> Reviewed-by: Michael Paquier <michael@paquier.xyz> Discussion: https://www.postgresql.org/message-id/flat/20190924101859.09383b4f%40fafnir.local.vm
* Improve stability of partition_prune regression test.Tom Lane2019-09-28
| | | | | | | | | | | | | | | | | | This test already knew that, to get stable test output, it had to hide "loops" counts in EXPLAIN ANALYZE results. But that's not nearly enough: if we get a smaller number of workers than we planned for, then the "Workers Launched" number will change, and so will all the rows and loops counts up to the Gather node. This has resulted in repeated failures in the buildfarm, so adjust the test to filter out all these counts. (Really, we wouldn't bother with EXPLAIN ANALYZE at all here, except that currently the only way to verify that executor-time pruning has happened is to look for '(never executed)' annotations. Those are stable and needn't be filtered out.) Back-patch to v11 where the test was introduced. Discussion: https://postgr.es/m/11952.1569536725@sss.pgh.pa.us
* ANALYZE a_star and its children to avoid plan instability in tests.Tom Lane2019-09-27
| | | | | | | | | | | | | | | We've noted certain EXPLAIN queries on these tables occasionally showing unexpected plan choices. This seems to happen because VACUUM sometimes fails to update relpages/reltuples for one of these single-page tables, due to bgwriter or checkpointer holding a pin on the lone page at just the wrong time. To ensure those values get set, insert explicit ANALYZE operations on these tables after we finish populating them. This doesn't seem to affect any other test cases, so it's a usable fix. Back-patch to v12. In principle the issue exists further back, but we have not seen it before v12, so I won't risk back-patching further. Discussion: https://postgr.es/m/24480.1569518042@sss.pgh.pa.us
* Add tab completion for EXPLAIN (SETTINGS) in psqlMichael Paquier2019-09-27
| | | | | | | Author: Justin Pryzby Reviewed-by: Tatsuro Yamada Discussion: https://postgr.es/m/20190927022051.GC24334@telsasoft.com Backpatch-through: 12
* Fix oversight in commit 4429f6a9e3e12bb4af6e3677fbc78cd80f160252.Amit Kapila2019-09-27
| | | | | | | | | | | | | | The test name and the following test cases suggest the index created should be hash index, but it forgot to add 'using hash' in the test case. This in itself won't improve code coverage as there were some other tests which were covering the corresponding code. However, it is better if the added tests serve their actual purpose. Reported-by: Paul A Jungwirth Author: Paul A Jungwirth Reviewed-by: Mahendra Singh Backpatch-through: 9.4 Discussion: https://postgr.es/m/CA+renyV=Us-5XfMC25bNp-uWSj39XgHHmGE9Rh2cQKMegSj52g@mail.gmail.com
* Fix handling of GENERATED columns in CREATE TABLE LIKE INCLUDING DEFAULTS.Tom Lane2019-09-25
| | | | | | | | | | | | | | LIKE INCLUDING DEFAULTS tried to copy the attrdef expression without copying the state of the attgenerated column. This is in fact wrong, because GENERATED and DEFAULT expressions are not the same kind of animal; one can contain Vars and the other not. We *must* copy attgenerated when we're copying the attrdef expression. Rearrange the if-tests so that the expression is copied only when the correct one of INCLUDING DEFAULTS and INCLUDING GENERATED has been specified. Per private report from Manuel Rigger. Tom Lane and Peter Eisentraut
* Fix failure with lock mode used for custom relation optionsMichael Paquier2019-09-25
| | | | | | | | | | | | | | | | | | | | | In-core relation options can use a custom lock mode since 47167b7, that has lowered the lock available for some autovacuum parameters. However it forgot to consider custom relation options. This causes failures with ALTER TABLE SET when changing a custom relation option, as its lock is not defined. The existing APIs to define a custom reloption does not allow to define a custom lock mode, so enforce its initialization to AccessExclusiveMode which should be safe enough in all cases. An upcoming patch will extend the existing APIs to allow a custom lock mode to be defined. The problem can be reproduced with bloom indexes, so add a test there. Reported-by: Nikolay Sharplov Analyzed-by: Thomas Munro, Michael Paquier Author: Michael Paquier Reviewed-by: Kuntal Ghosh Discussion: https://postgr.es/m/20190920013831.GD1844@paquier.xyz Backpatch-through: 9.6
* Fix bug in pairingheap_SpGistSearchItem_cmp()Alexander Korotkov2019-09-25
| | | | | | | | | Our item contains only so->numberOfNonNullOrderBys of distances. Reflect that in the loop upper bound. Discussion: https://postgr.es/m/53536807-784c-e029-6e92-6da802ab8d60%40postgrespro.ru Author: Nikita Glukhov Backpatch-through: 12
* Stamp 12rc1.REL_12_RC1Tom Lane2019-09-23
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* Translation updatesPeter Eisentraut2019-09-23
| | | | | Source-Git-URL: https://git.postgresql.org/git/pgtranslation/messages.git Source-Git-Hash: 8a42b829ebeb8b22db0e3258ec02137f8840b960
* Message style fixesPeter Eisentraut2019-09-23
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* NLS: Fix backend gettext triggersPeter Eisentraut2019-09-23
| | | | | The backend also needs to pull in translations from the frontend pg_log_*() functions, since some files in src/common/ use those.
* Fix failure to zero-pad the result of bitshiftright().Tom Lane2019-09-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the bitstring length is not a multiple of 8, we'd shift the rightmost bits into the pad space, which must be zeroes --- bit_cmp, for one, depends on that. This'd lead to the result failing to compare equal to what it should compare equal to, as reported in bug #16013 from Daryl Waycott. This is, if memory serves, not the first such bug in the bitstring functions. In hopes of making it the last one, do a bit more work than minimally necessary to fix the bug: * Add assertion checks to bit_out() and varbit_out() to complain if they are given incorrectly-padded input. This will improve the odds that manual testing of any new patch finds problems. * Encapsulate the padding-related logic in macros to make it easier to use. Also, remove unnecessary padding logic from bit_or() and bitxor(). Somebody had already noted that we need not re-pad the result of bit_and() since the inputs are required to be the same length, but failed to extrapolate that to the other two. Also, move a comment block that once was near the head of varbit.c (but people kept putting other stuff in front of it), to put it in the header block. Note for the release notes: if anyone has inconsistent data as a result of saving the output of bitshiftright() in a table, it's possible to fix it with something like UPDATE mytab SET bitcol = ~(~bitcol) WHERE bitcol != ~(~bitcol); This has been broken since day one, so back-patch to all supported branches. Discussion: https://postgr.es/m/16013-c2765b6996aacae9@postgresql.org
* Fix typo in tts_virtual_copyslot.Tom Lane2019-09-22
| | | | | | | | | | | The code used the destination slot's natts where it intended to use the source slot's natts. Adding an Assert shows that there is no case in "make check-world" where these counts are different, so maybe this is a harmless bug, but it's still a bug. Takayuki Tsunakawa Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1FD34C0E@G01JPEXMBYT05
* Remove removed file from nls.mkPeter Eisentraut2019-09-21
| | | | part of revert "Add DECLARE STATEMENT support to ECPG."
* Straighten out leakproofness markings on text comparison functions.Tom Lane2019-09-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since we introduced the idea of leakproof functions, texteq and textne were marked leakproof but their sibling text comparison functions were not. This inconsistency seemed justified because texteq/textne just relied on memcmp() and so could easily be seen to be leakproof, while the other comparison functions are far more complex and indeed can throw input-dependent errors. However, that argument crashed and burned with the addition of nondeterministic collations, because now texteq/textne may invoke the exact same varstr_cmp() infrastructure as the rest. It makes no sense whatever to give them different leakproofness markings. After a certain amount of angst we've concluded that it's all right to consider varstr_cmp() to be leakproof, mostly because the other choice would be disastrous for performance of many queries where leakproofness matters. The input-dependent errors should only be reachable for corrupt input data, or so we hope anyway; certainly, if they are reachable in practice, we've got problems with requirements as basic as maintaining a btree index on a text column. Hence, run around to all the SQL functions that derive from varstr_cmp() and mark them leakproof. This should result in a useful gain in flexibility/performance for queries in which non-leakproofness degrades the efficiency of the query plan. Back-patch to v12 where nondeterministic collations were added. While this isn't an essential bug fix given the determination that varstr_cmp() is leakproof, we might as well apply it now that we've been forced into a post-beta4 catversion bump. Discussion: https://postgr.es/m/31481.1568303470@sss.pgh.pa.us
* Fix up handling of nondeterministic collations with pattern_ops opclasses.Tom Lane2019-09-21
| | | | | | | | | | | | | | | | | | | | | | | | | | text_pattern_ops and its siblings can't be used with nondeterministic collations, because they use the text_eq operator which will not behave as bitwise equality if applied with a nondeterministic collation. The initial implementation of that restriction was to insert a run-time test in the related comparison functions, but that is inefficient, may throw misleading errors, and will throw errors in some cases that would work. It seems sufficient to just prevent the combination during CREATE INDEX, so do that instead. Lacking any better way to identify the opclasses involved, we need to hard-wire tests for them, which requires hand-assigned values for their OIDs, which forces a catversion bump because they previously had OIDs that would be assigned automatically. That's slightly annoying in the v12 branch, but fortunately we're not at rc1 yet, so just do it. Back-patch to v12 where nondeterministic collations were added. In passing, run make reformat-dat-files, which found some unrelated whitespace issues (slightly different ones in HEAD and v12). Peter Eisentraut, with small corrections by me Discussion: https://postgr.es/m/22566.1568675619@sss.pgh.pa.us
* Update time zone data files to tzdata release 2019c.Tom Lane2019-09-20
| | | | | | | DST law changes in Fiji and Norfolk Island. Historical corrections for Alberta, Austria, Belgium, British Columbia, Cambodia, Hong Kong, Indiana (Perry County), Kaliningrad, Kentucky, Michigan, Norfolk Island, South Korea, and Turkey.
* Fix some minor spec-compliance issues in jsonpath lexer.Tom Lane2019-09-20
| | | | | | | | | | | | | | | | | | | | | | Although the SQL/JSON tech report makes reference to ECMAScript which allows both single- and double-quoted strings, all the rest of the report speaks only of double-quoted string literals in jsonpaths. That's more compatible with JSON itself; moreover single-quoted strings are hard to use inside a jsonpath that is itself a single-quoted SQL literal. So guess that the intent is to allow only double-quoted literals, and remove lexer support for single-quoted literals. It'll be less painful to add this again later if we're wrong, than to remove a shipped feature. Also, adjust the lexer so that unrecognized backslash sequences are treated as just meaning the escaped character, not as errors. This change has much better support in the standards, as JSON, JavaScript and ECMAScript all make it plain that that's what's supposed to happen. Back-patch to v12. Discussion: https://postgr.es/m/CAPpHfdvDci4iqNF9fhRkTqhe-5_8HmzeLt56drH%2B_Rv2rNRqfg@mail.gmail.com
* Revert "Add DECLARE STATEMENT support to ECPG."Tom Lane2019-09-20
| | | | | | | | | | | | This reverts commit bd7c95f0c1a38becffceb3ea7234d57167f6d4bf, along with assorted follow-on fixes. There are some questions about the definition and implementation of that statement, and we don't have time to resolve them before v13 release. Rather than ship the feature and then have backwards-compatibility concerns constraining any redesign, let's remove it for now and try again later. Discussion: https://postgr.es/m/TY2PR01MB2443EC8286995378AEB7D9F8F5B10@TY2PR01MB2443.jpnprd01.prod.outlook.com
* Fix progress report of REINDEX INDEXAlvaro Herrera2019-09-20
| | | | | | | | I (Álvaro) broke that in commit 6212276e4343 -- forgot to set the necessary flag. Repair. Author: Amit Langote Discussion: https://postgr.es/m/CA+HiwqEaM2tV5awKhP1vSbgjQe_uXVU15Oi4sTgwgempwMiT8g@mail.gmail.com
* Provide stable test for NULL-values in KNN SP-GiSTAlexander Korotkov2019-09-20
| | | | | | | f5f084fc3e has removed test because of its instability. This commit provides alternative test with determined ordering using extra ORDER BY expression. Backpatch-through: 12
* Remove unstable KNN SP-GiST testAlexander Korotkov2019-09-20
| | | | | | | | | 6cae9d2c10 introduced test for NULL values in KNN SP-GiST. This test relies on undetermined ordering showing different results on various platforms. This commit removes that test. Will be replaced with better test later. Discussion: https://postgr.es/m/6d51305e1159241cabee132f7efc7eff%40xs4all.nl Backpatch-through: 12
* Fix freeing old values in index_store_float8_orderby_distances()Alexander Korotkov2019-09-20
| | | | | | | | | | | | | | | 6cae9d2c10 has added an error in freeing old values in index_store_float8_orderby_distances() function. It looks for old value in scan->xs_orderbynulls[i] after setting a new value there. This commit fixes that. Also it removes short-circuit in handling distances == NULL situation. Now distances == NULL will be treated the same way as array with all null distances. That is, previous values will be freed if any. Reported-by: Tom Lane, Nikita Glukhov Discussion: https://postgr.es/m/CAPpHfdu2wcoAVAm3Ek66rP%3Duo_C-D84%2B%2Buf1VEcbyi_caBXWCA%40mail.gmail.com Discussion: https://postgr.es/m/426580d3-a668-b9d1-7b8e-f74d1a6524e0%40postgrespro.ru Backpatch-through: 12
* Improve handling of NULLs in KNN-GiST and KNN-SP-GiSTAlexander Korotkov2019-09-19
| | | | | | | | | | | | | | | | | | | | | This commit improves subject in two ways: * It removes ugliness of 02f90879e7, which stores distance values and null flags in two separate arrays after GISTSearchItem struct. Instead we pack both distance value and null flag in IndexOrderByDistance struct. Alignment overhead should be negligible, because we typically deal with at most few "col op const" expressions in ORDER BY clause. * It fixes handling of "col op NULL" expression in KNN-SP-GiST. Now, these expression are not passed to support functions, which can't deal with them. Instead, NULL result is implicitly assumed. It future we may decide to teach support functions to deal with NULL arguments, but current solution is bugfix suitable for backpatch. Reported-by: Nikita Glukhov Discussion: https://postgr.es/m/826f57ee-afc7-8977-c44c-6111d18b02ec%40postgrespro.ru Author: Nikita Glukhov Reviewed-by: Alexander Korotkov Backpatch-through: 9.4
* GSSAPI error message improvementsPeter Eisentraut2019-09-19
| | | | | | | | | | Make the error messages around GSSAPI encryption a bit clearer. Tweak some messages to avoid plural problems. Also make a code change for clarity. Using "conf" for "confidential" is quite confusing. Using "conf_state" is perhaps not much better but that's what the GSSAPI documentation uses, so there is at least some hope of understanding it.
* Revert change of ecpglib major versionPeter Eisentraut2019-09-19
| | | | | | | | | The major version of ecpglib was changed in bd7c95f0c1a38becffceb3ea7234d57167f6d4bf, apparently without justification. Revert this, since nothing has changed in this library except some added functions. Discussion: https://www.postgresql.org/message-id/flat/48ee4c56-e1df-b39d-2cad-c7d80b120eb5%402ndquadrant.com
* pg_upgrade/test.sh: Quote sed(1) argumentAlvaro Herrera2019-09-18
| | | | | | | Lack of quotes results in failure to run the test under older Solaris. Author: Marina Polyakova, Victor Wagner Discussion: https://postgr.es/m/feba89f89e8925b3535cb7d72b9e05e1@postgrespro.ru
* Fix bogus handling of XQuery regex option flags.Tom Lane2019-09-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The SQL spec defers to XQuery to define what the option flags are for LIKE_REGEX patterns. XQuery says that: * 's' allows the dot character to match newlines, which by default it will not; * 'm' allows ^ and $ to match at newlines, not only at the start/end of the whole string. Thus, these are *not* inverses as they are for the similarly-named POSIX options, and neither one corresponds to the POSIX 'n' option. Fortunately, Spencer's library does expose these two behaviors as separately twiddlable flags, so we just have to fix the mapping from JSP flag bits to REG flag bits. I also chose to rename the symbol for 's' to DOTALL, to make it clearer that it's not the inverse of MLINE. Also, XQuery says that if the 'q' flag "is used together with the m, s, or x flag, that flag has no effect". I read this as saying that 'q' overrides the other flags; whoever wrote our code seems to have read it backwards. Lastly, while XQuery's 'x' flag is related to what Spencer's code does for REG_EXPANDED, it's not the same or a subset. It seems best to treat XQuery's 'x' as unimplemented for now. Maybe later we can expand our regex code to offer 'x'-style parsing as a separate option. While at it, refactor the jsonpath code so that (a) there's only one copy of the flag transformation logic not two, and (b) the processing of flags is independent of the order in which the flags are written. We need some documentation updates to go with this, but I'll tackle that separately. Back-patch to v12 where this code originated. Discussion: https://postgr.es/m/CAPpHfdvDci4iqNF9fhRkTqhe-5_8HmzeLt56drH%2B_Rv2rNRqfg@mail.gmail.com Reference: https://www.w3.org/TR/2017/REC-xpath-functions-31-20170321/#flags
* Fix bogus sizeof calculations.Tom Lane2019-09-15
| | | | | Noted by Coverity. Typo in 27cc7cd2b, so back-patch to v12 as that was.
* Fix intermittent self-test failures caused by the stats_ext test.Dean Rasheed2019-09-15
| | | | | | | | | | | | | | | Commit d7f8d26d9 added new tests to the stats_ext regression test that included creating a view in the public schema, without realising that the stats_ext test runs in the same parallel group as the rules test, which makes doing that unsafe. This led to intermittent failures of the rules test on the buildfarm, although I wasn't able to reproduce that locally. Fix by creating the view in a different schema. Tomas Vondra and Dean Rasheed, report and diagnosis by Thomas Munro. Discussion: https://postgr.es/m/CA+hUKGKX9hFZrYA7rQzAMRE07L4hziCc-nO_b3taJpiuKyLLxg@mail.gmail.com
* Replace xlc __fetch_and_add() with inline asm.Noah Misch2019-09-13
| | | | | | | | | | PostgreSQL has been unusable when built with xlc 13 and newer, which are incompatible with our use of __fetch_and_add(). Back-patch to 9.5, which introduced pg_atomic_fetch_add_u32(). Reviewed by Tom Lane. Discussion: https://postgr.es/m/20190831071157.GA3251746@rfd.leadboat.com
* Test pg_atomic_fetch_add_ with variable addend and 16-bit edge cases.Noah Misch2019-09-13
| | | | | | | | Back-patch to 9.5, which introduced these functions. Reviewed by Tom Lane. Discussion: https://postgr.es/m/20190831071157.GA3251746@rfd.leadboat.com
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