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* Fix creation of resjunk tlist entries for inherited mixed UPDATE/DELETE.Tom Lane2017-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rewriteTargetListUD's processing is dependent on the relkind of the query's target table. That was fine at the time it was made to act that way, even for queries on inheritance trees, because all tables in an inheritance tree would necessarily be plain tables. However, the 9.5 feature addition allowing some members of an inheritance tree to be foreign tables broke the assumption that rewriteTargetListUD's output tlist could be applied to all child tables with nothing more than column-number mapping. This led to visible failures if foreign child tables had row-level triggers, and would also break in cases where child tables belonged to FDWs that used methods other than CTID for row identification. To fix, delay running rewriteTargetListUD until after the planner has expanded inheritance, so that it is applied separately to the (already mapped) tlist for each child table. We can conveniently call it from preprocess_targetlist. Refactor associated code slightly to avoid the need to heap_open the target relation multiple times during preprocess_targetlist. (The APIs remain a bit ugly, particularly around the point of which steps scribble on parse->targetList and which don't. But avoiding such scribbling would require a change in FDW callback APIs, which is more pain than it's worth.) Also fix ExecModifyTable to ensure that "tupleid" is reset to NULL when we transition from rows providing a CTID to rows that don't. (That's really an independent bug, but it manifests in much the same cases.) Add a regression test checking one manifestation of this problem, which was that row-level triggers on a foreign child table did not work right. Back-patch to 9.5 where the problem was introduced. Etsuro Fujita, reviewed by Ildus Kurbangaliev and Ashutosh Bapat Discussion: https://postgr.es/m/20170514150525.0346ba72@postgrespro.ru
* Fix typo in commentMagnus Hagander2017-11-27
| | | | Andreas Karlsson
* Pad XLogReaderState's main_data buffer more aggressively.Tom Lane2017-11-26
| | | | | | | | | | | | | | | | | | | | | | | | | Originally, we palloc'd this buffer just barely big enough to hold the largest xlog record seen so far. It turns out that that can result in valgrind complaints, because some compilers will emit code that assumes it can safely fetch padding bytes at the end of a struct, and those padding bytes were unallocated so far as aset.c was concerned. We can fix that by MAXALIGN'ing the palloc request size, ensuring that it is big enough to include any possible padding that might've been omitted from the on-disk record. An additional objection to the original coding is that it could result in many repeated palloc cycles, in the worst case where we see a series of gradually larger xlog records. We can ameliorate that cheaply by imposing a minimum buffer size that's large enough for most xlog records. BLCKSZ/2 was chosen after a bit of discussion. In passing, remove an obsolete comment in struct xl_heap_new_cid that the combocid field is free due to alignment considerations. Perhaps that was true at some point, but it's not now. Back-patch to 9.5 where this code came in. Discussion: https://postgr.es/m/E1eHa4J-0006hI-Q8@gemulon.postgresql.org
* Make has_sequence_privilege support WITH GRANT OPTIONJoe Conway2017-11-26
| | | | | | | | | | | The various has_*_privilege() functions all support an optional WITH GRANT OPTION added to the supported privilege types to test whether the privilege is held with grant option. That is, all except has_sequence_privilege() variations. Fix that. Back-patch to all supported branches. Discussion: https://postgr.es/m/005147f6-8280-42e9-5a03-dd2c1e4397ef@joeconway.com
* Update MSVC build process for new timezone data.Tom Lane2017-11-25
| | | | Missed this dependency in commits 7cce222c9 et al.
* Replace raw timezone source data with IANA's new compact format.Tom Lane2017-11-25
| | | | | | | | | | | | | | | Traditionally IANA has distributed their timezone data in pure source form, replete with extensive historical comments. As of release 2017c, they've added a compact single-file format that omits comments and abbreviates command keywords. This form is way shorter than the pure source, even before considering its allegedly better compressibility. Hence, let's distribute the data in that form rather than pure source. I'm pushing this now, rather than at the next timezone database update, so that it's easy to confirm that this data file produces compiled zic output that's identical to what we were getting before. Discussion: https://postgr.es/m/1915.1511210334@sss.pgh.pa.us
* Repair failure with SubPlans in multi-row VALUES lists.Tom Lane2017-11-25
| | | | | | | | | | | | | | | | | | | | | | | When nodeValuesscan.c was written, it was impossible to have a SubPlan in VALUES --- any sub-SELECT there would have to be uncorrelated and thereby would produce an InitPlan instead. We therefore took a shortcut in the logic that throws away a ValuesScan's per-row expression evaluation data structures. This was broken by the introduction of LATERAL however; a sub-SELECT containing a lateral reference produces a correlated SubPlan. The cleanest fix for this would be to give up the optimization of discarding the expression eval state. But that still seems pretty unappetizing for long VALUES lists. It seems to work to just prevent the subexpressions from hooking into the ValuesScan node's subPlan list, so let's do that and see how well it works. (If this breaks, due to additional connections between the subexpressions and the outer query structures, we might consider compromises like throwing away data only for VALUES rows not containing SubPlans.) Per bug #14924 from Christian Duta. Back-patch to 9.3 where LATERAL was introduced. Discussion: https://postgr.es/m/20171124120836.1463.5310@wrigleys.postgresql.org
* Support linking with MinGW-built Perl.Noah Misch2017-11-23
| | | | | | | | | | This is necessary for ActivePerl 5.18 onwards and for Strawberry Perl. It is not sufficient for 32-bit builds with newer Visual Studio; these fail with error LINK2026. Back-patch to 9.3 (all supported versions). Reported by Victor Wagner. Discussion: https://postgr.es/m/20160326154321.7754ab8f@wagner.wagner.home
* Provide for forward compatibility with future minor protocol versions.Robert Haas2017-11-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, any attempt to request a 3.x protocol version other than 3.0 would lead to a hard connection failure, which made the minor protocol version really no different from the major protocol version and precluded gentle protocol version breaks. Instead, when the client requests a 3.x protocol version where x is greater than 0, send the new NegotiateProtocolVersion message to convey that we support only 3.0. This makes it possible to introduce new minor protocol versions without requiring a connection retry when the server is older. In addition, if the startup packet includes name/value pairs where the name starts with "_pq_.", assume that those are protocol options, not GUCs. Include those we don't support (i.e. all of them, at present) in the NegotiateProtocolVersion message so that the client knows they were not understood. This makes it possible for the client to request previously-unsupported features without bumping the protocol version at all; the client can tell from the server's response whether the option was understood. It will take some time before servers that support these new facilities become common in the wild; to speed things up and make things easier for a future 3.1 protocol version, back-patch to all supported releases. Robert Haas and Badrul Chowdhury Discussion: http://postgr.es/m/BN6PR21MB0772FFA0CBD298B76017744CD1730@BN6PR21MB0772.namprd21.prod.outlook.com Discussion: http://postgr.es/m/30788.1498672033@sss.pgh.pa.us
* Use out-of-line M68K spinlock code for OpenBSD as well as NetBSD.Tom Lane2017-11-20
| | | | | | David Carlier (from a patch being carried by OpenBSD packagers) Discussion: https://postgr.es/m/CA+XhMqzwFSGVU7MEnfhCecc8YdP98tigXzzpd0AAdwaGwaVXEA@mail.gmail.com
* Add support for Motorola 88K to s_lock.h.Tom Lane2017-11-20
| | | | | | | | | | Apparently there are still people out there who care about this old architecture. They probably care about dusty versions of Postgres too, so back-patch to all supported branches. David Carlier (from a patch being carried by OpenBSD packagers) Discussion: https://postgr.es/m/CA+XhMqzwFSGVU7MEnfhCecc8YdP98tigXzzpd0AAdwaGwaVXEA@mail.gmail.com
* Prevent int128 from requiring more than MAXALIGN alignment.Tom Lane2017-11-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Our initial work with int128 neglected alignment considerations, an oversight that came back to bite us in bug #14897 from Vincent Lachenal. It is unsurprising that int128 might have a 16-byte alignment requirement; what's slightly more surprising is that even notoriously lax Intel chips sometimes enforce that. Raising MAXALIGN seems out of the question: the costs in wasted disk and memory space would be significant, and there would also be an on-disk compatibility break. Nor does it seem very practical to try to allow some data structures to have more-than-MAXALIGN alignment requirement, as we'd have to push knowledge of that throughout various code that copies data structures around. The only way out of the box is to make type int128 conform to the system's alignment assumptions. Fortunately, gcc supports that via its __attribute__(aligned()) pragma; and since we don't currently support int128 on non-gcc-workalike compilers, we shouldn't be losing any platform support this way. Although we could have just done pg_attribute_aligned(MAXIMUM_ALIGNOF) and called it a day, I did a little bit of extra work to make the code more portable than that: it will also support int128 on compilers without __attribute__(aligned()), if the native alignment of their 128-bit-int type is no more than that of int64. Add a regression test case that exercises the one known instance of the problem, in parallel aggregation over a bigint column. Back-patch of commit 751804998. The code known to be affected only exists in 9.6 and later, but we do have some stuff using int128 in 9.5, so patch back to 9.5. Discussion: https://postgr.es/m/20171110185747.31519.28038@wrigleys.postgresql.org
* Rearrange c.h to create a "compiler characteristics" section.Tom Lane2017-11-14
| | | | | | | | | | | | | | | | | | | Generalize section 1 to handle stuff that is principally about the compiler (not libraries), such as attributes, and collect stuff there that had been dropped into various other parts of c.h. Also, push all the gettext macros into section 8, so that section 0 is really just inclusions rather than inclusions and random other stuff. The primary goal here is to get pg_attribute_aligned() defined before section 3, so that we can use it with int128. But this seems like good cleanup anyway. This patch just moves macro definitions around, and shouldn't result in any changes in generated code. Back-patch of commit 91aec93e6. Discussion: https://postgr.es/m/20171110185747.31519.28038@wrigleys.postgresql.org
* MSVC: Rebuild spiexceptions.h when out of date.Noah Misch2017-11-12
| | | | | Also, add a warning to catch future instances of naming a nonexistent file as a prerequisite. Back-patch to 9.3 (all supported versions).
* Install Windows crash dump handler before all else.Noah Misch2017-11-12
| | | | | | | | | | | | Apart from calling write_stderr() on failure, the handler depends on no PostgreSQL facilities. We have experienced crashes before reaching the former call site. Given such an early crash, this change cannot hurt and may produce a helpful dump. Absent an early crash, this change has no effect. Back-patch to 9.3 (all supported versions). Takayuki Tsunakawa Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1F80CD13@G01JPEXMBYT05
* Don't call pgwin32_message_to_UTF16() without CurrentMemoryContext.Noah Misch2017-11-12
| | | | | | | | | | | | | PostgreSQL running as a Windows service crashed upon calling write_stderr() before MemoryContextInit(). This fix completes work started in 5735efee15540765315aa8c1a230575e756037f7. Messages this early contain only ASCII bytes; if we removed the CurrentMemoryContext requirement, the ensuing conversions would have no effect. Back-patch to 9.3 (all supported versions). Takayuki Tsunakawa, reviewed by Michael Paquier. Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1F80CC73@G01JPEXMBYT05
* Add post-2010 ecpg tests to checktcp.Noah Misch2017-11-11
| | | | | | | This suite had been a proper superset of the regular ecpg test suite, but the three newest tests didn't reach it. To make this less likely to recur, delete the extra schedule file and pass the TCP-specific test on the command line. Back-patch to 9.3 (all supported versions).
* Make connect/test1 independent of localhost IPv6.Noah Misch2017-11-11
| | | | | | | Since commit 868898739a8da9ab74c105b8349b7b5c711f265a, it has assumed "localhost" resolves to both ::1 and 127.0.0.1. We gain nothing from that assumption, and it does not hold in a default installation of Red Hat Enterprise Linux 5. Back-patch to 9.3 (all supported versions).
* Fix connect/test1 expected output.Noah Misch2017-11-11
| | | | | | The test runs only as part of "checktcp". This is a back-patch to 9.5 and 9.4 of part of commit 868898739a8da9ab74c105b8349b7b5c711f265a. Oversight in commit 61bee9f756ce875f3b678099a6bb9654bd2fa21a.
* Fix previous commit's test, for non-UTF8 databases with non-XML builds.Noah Misch2017-11-11
| | | | | To ensure stable output, catch one more configuration-specific error. Back-patch to 9.3, like the commit that added the test.
* Ignore XML declaration in xpath_internal(), for UTF8 databases.Noah Misch2017-11-11
| | | | | | | | | | | | | When a value contained an XML declaration naming some other encoding, this function interpreted UTF8 bytes as the named encoding, yielding mojibake. xml_parse() already has similar logic. This would be necessary but not sufficient for non-UTF8 databases, so preserve behavior there until the xpath facility can support such databases comprehensively. Back-patch to 9.3 (all supported versions). Pavel Stehule and Noah Misch Discussion: https://postgr.es/m/CAFj8pRC-dM=tT=QkGi+Achkm+gwPmjyOayGuUfXVumCxkDgYWg@mail.gmail.com
* Fix some null pointer dereferences in LDAP auth codePeter Eisentraut2017-11-10
| | | | | | | | | | | An LDAP URL without a host name such as "ldap://" or without a base DN such as "ldap://localhost" would cause a crash when reading pg_hba.conf. If no binddn is configured, an error message might end up trying to print a null pointer, which could crash on some platforms. Author: Thomas Munro <thomas.munro@enterprisedb.com> Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
* Fix typo in ALTER SYSTEM output.Tom Lane2017-11-09
| | | | | | | | | The header comment written into postgresql.auto.conf by ALTER SYSTEM should match what initdb put there originally. Feike Steenbergen Discussion: https://postgr.es/m/CAK_s-G0KcKdO=0hqZkwb3s+tqZuuHwWqmF5BDsmoO9FtX75r0g@mail.gmail.com
* Fix two violations of the ResourceOwnerEnlarge/Remember protocol.Tom Lane2017-11-08
| | | | | | | | | | | | | | | | | | | | | The point of having separate ResourceOwnerEnlargeFoo and ResourceOwnerRememberFoo functions is so that resource allocation can happen in between. Doing it in some other order is just wrong. OpenTemporaryFile() did open(), enlarge, remember, which would leak the open file if the enlarge step ran out of memory. Because fd.c has its own layer of resource-remembering, the consequences look like they'd be limited to an intratransaction FD leak, but it's still not good. IncrBufferRefCount() did enlarge, remember, incr-refcount, which would blow up if the incr-refcount step ever failed. It was safe enough when written, but since the introduction of PrivateRefCountHash, I think the assumption that no error could happen there is pretty shaky. The odds of real problems from either bug are probably small, but still, back-patch to supported branches. Thomas Munro and Tom Lane, per a comment from Andres Freund
* Fix unportable usage of <ctype.h> functions.Tom Lane2017-11-07
| | | | | | | isdigit(), isspace(), etc are likely to give surprising results if passed a signed char. We should always cast the argument to unsigned char to avoid that. Error in commit 63d6b97fd, found by buildfarm member gaur. Back-patch to 9.3, like that commit.
* Stamp 9.5.10.REL9_5_10Tom Lane2017-11-06
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* Make json{b}_populate_recordset() use the right tuple descriptor.Tom Lane2017-11-06
| | | | | | | | | | | | | | | | json{b}_populate_recordset() used the tuple descriptor created from the query-level AS clause without worrying about whether it matched the actual input record type. If it didn't, that would usually result in a crash, though disclosure of server memory contents seems possible as well, for a skilled attacker capable of issuing crafted SQL commands. Instead, use the query-supplied descriptor only when there is no input tuple to look at, and otherwise get a tuple descriptor based on the input tuple's own type marking. The core code will detect any type mismatch in the latter case. Michael Paquier and Tom Lane, per a report from David Rowley. Back-patch to 9.3 where this functionality was introduced. Security: CVE-2017-15098
* Always require SELECT permission for ON CONFLICT DO UPDATE.Dean Rasheed2017-11-06
| | | | | | | | | | | | | | The update path of an INSERT ... ON CONFLICT DO UPDATE requires SELECT permission on the columns of the arbiter index, but it failed to check for that in the case of an arbiter specified by constraint name. In addition, for a table with row level security enabled, it failed to check updated rows against the table's SELECT policies when the update path was taken (regardless of how the arbiter index was specified). Backpatch to 9.5 where ON CONFLICT DO UPDATE and RLS were introduced. Security: CVE-2017-15099
* Add a temp-install prerequisite to "check"-like targets not having one.Noah Misch2017-11-05
| | | | | | | | | | | Makefile.global assigns this prerequisite to every target named "check", but similar targets must mention it explicitly. Affected targets failed, tested $PATH binaries, or tested a stale temporary installation. The src/test/modules examples worked properly when called as "make -C src/test/modules/$FOO check", but "make -j" allowed the test to start before the temporary installation was in place. Back-patch to 9.5, where commit dcae5faccab64776376d354decda0017c648bb53 introduced the shared temp-install.
* Translation updatesPeter Eisentraut2017-11-05
| | | | | Source-Git-URL: git://git.postgresql.org/git/pgtranslation/messages.git Source-Git-Hash: 64f85a7ee5a763d2eb6e938e1aeb90ed17dbb69f
* Ignore CatalogSnapshot when checking COPY FREEZE prerequisites.Noah Misch2017-11-05
| | | | | | | | | | This restores the ability, essentially lost in commit ffaa44cb559db332baeee7d25dedd74a61974203, to use COPY FREEZE under REPEATABLE READ isolation. Back-patch to 9.4, like that commit. Reviewed by Tom Lane. Discussion: https://postgr.es/m/CA+TgmoahWDm-7fperBxzU9uZ99LPMUmEpSXLTw9TmrOgzwnORw@mail.gmail.com
* Fix BRIN summarization concurrent with extensionAlvaro Herrera2017-11-03
| | | | | | | | | | | | | | | | | If a process is extending a table concurrently with some BRIN summarization process, it is possible for the latter to miss pages added by the former because the number of pages is computed ahead of time. Fix by determining a fresh relation size after inserting the placeholder tuple: any process that further extends the table concurrently will update the placeholder tuple, while previous pages will be processed by the heap scan. Reported-by: Tomas Vondra Reviewed-by: Tom Lane Author: Álvaro Herrera Discussion: https://postgr.es/m/083d996a-4a8a-0e13-800a-851dd09ad8cc@2ndquadrant.com Backpatch-to: 9.5
* Improve error message for incorrect number inputs in libecpg.Michael Meskes2017-11-03
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* Fix float parsing in ecpg INFORMIX mode.Michael Meskes2017-11-02
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* Fix corner-case errors in brin_doupdate().Tom Lane2017-11-02
| | | | | | | | | | | | | | | | | | | In some cases the BRIN code releases lock on an index page, and later re-acquires lock and tries to check that the tuple it was working on is still there. That check was a couple bricks shy of a load. It didn't consider that the page might have turned into a "revmap" page. (The samepage code path doesn't call brin_getinsertbuffer(), so it isn't protected by the checks for revmap status there.) It also didn't check whether the tuple offset was now off the end of the linepointer array. Since commit 24992c6db the latter case is pretty common, but at least in principle it could have occurred before that. The net result is that concurrent updates of a BRIN index could fail with errors like "invalid index offnum" or "inconsistent range map". Per report from Tomas Vondra. Back-patch to 9.5, since this code is substantially the same in all versions containing BRIN. Discussion: https://postgr.es/m/10d2b9f9-f427-03b8-8ad9-6af4ecacbee9@2ndquadrant.com
* Revert bogus fixes of HOT-freezing bugAlvaro Herrera2017-11-02
| | | | | | | | | | It turns out we misdiagnosed what the real problem was. Revert the previous changes, because they may have worse consequences going forward. A better fix is forthcoming. The simplistic test case is kept, though disabled. Discussion: https://postgr.es/m/20171102112019.33wb7g5wp4zpjelu@alap3.anarazel.de
* pg_basebackup: Fix comparison handling of tablespace mappings on WindowsPeter Eisentraut2017-11-01
| | | | | | | | | | A candidate path needs to be canonicalized before being checked against the mappings, because the mappings are also canonicalized. This is especially relevant on Windows Reported-by: nb <nbedxp@gmail.com> Author: Michael Paquier <michael.paquier@gmail.com> Reviewed-by: Ashutosh Sharma <ashu.coek88@gmail.com>
* Make sure ecpglib does accepts digits behind decimal point even for integers inMichael Meskes2017-11-01
| | | | | | Informix mode. Spotted and fixed by 高增琦 <pgf00a@gmail.com>
* Dept of second thoughts: keep aliasp_item in sync with tlistitem.Tom Lane2017-10-27
| | | | | | | | Commit d5b760ecb wasn't quite right, on second thought: if the caller didn't ask for column names then it would happily emit more Vars than if the caller did ask for column names. This is surely not a good idea. Advance the aliasp_item whether or not we're preparing a colnames list.
* Fix crash when columns have been added to the end of a view.Tom Lane2017-10-27
| | | | | | | | | | | | | | | | | | | | | | | expandRTE() supposed that an RTE_SUBQUERY subquery must have exactly as many non-junk tlist items as the RTE has column aliases for it. This was true at the time the code was written, and is still true so far as parse analysis is concerned --- but when the function is used during planning, the subquery might have appeared through insertion of a view that now has more columns than it did when the outer query was parsed. This results in a core dump if, for instance, we have to expand a whole-row Var that references the subquery. To avoid crashing, we can either stop expanding the RTE when we run out of aliases, or invent new aliases for the added columns. While the latter might be more useful, the former is consistent with what expandRTE() does for composite-returning functions in the RTE_FUNCTION case, so it seems like we'd better do it that way. Per bug #14876 from Samuel Horwitz. This has been busted since commit ff1ea2173 allowed views to acquire more columns, so back-patch to all supported branches. Discussion: https://postgr.es/m/20171026184035.1471.82810@wrigleys.postgresql.org
* Rethink the dependencies recorded for FieldSelect/FieldStore nodes.Tom Lane2017-10-27
| | | | | | | | | | | | | | | | | | | | | On closer investigation, commits f3ea3e3e8 et al were a few bricks shy of a load. What we need is not so much to lock down the result type of a FieldSelect, as to lock down the existence of the column it's trying to extract. Otherwise, we can break it by dropping that column. The dependency on the result type is then held indirectly through the column, and doesn't need to be recorded explicitly. Out of paranoia, I left in the code to record a dependency on the result type, but it's used only if we can't identify the pg_class OID for the column. That shouldn't ever happen right now, AFAICS, but it seems possible that in future the input node could be marked as being of type RECORD rather than some specific composite type. Likewise for FieldStore. Like the previous patch, back-patch to all supported branches. Discussion: https://postgr.es/m/22571.1509064146@sss.pgh.pa.us
* Improve gendef.pl diagnostic on failure to open sym fileAndrew Dunstan2017-10-26
| | | | | | | | There have been numerous buildfarm failures but the diagnostic is currently silent about the reason for failure to open the file. Let's see if we can get to the bottom of it. Backpatch to all live branches.
* Fixed handling of escape character in libecpg.Michael Meskes2017-10-26
| | | | Patch by Tsunakawa Takayuki <tsunakawa.takay@jp.fujitsu.com>
* Fix libpq to not require user's home directory to exist.Tom Lane2017-10-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some people like to run libpq-using applications in environments where there's no home directory. We've broken that scenario before (cf commits 5b4067798 and bd58d9d88), and commit ba005f193 broke it again, by making it a hard error if we fail to get the home directory name while looking for ~/.pgpass. The previous precedent is that if we can't get the home directory name, we should just silently act as though the file we hoped to find there doesn't exist. Rearrange the new code to honor that. Looking around, the service-file code added by commit 41a4e4595 had the same disease. Apparently, that escaped notice because it only runs when a service name has been specified, which I guess the people who use this scenario don't do. Nonetheless, it's wrong too, so fix that case as well. Add a comment about this policy to pqGetHomeDirectory, in the probably vain hope of forestalling the same error in future. And upgrade the rather miserable commenting in parseServiceInfo, too. In passing, also back off parseServiceInfo's assumption that only ENOENT is an ignorable error from stat() when checking a service file. We would need to ignore at least ENOTDIR as well (cf 5b4067798), and seeing that the far-better-tested code for ~/.pgpass treats all stat() failures alike, I think this code ought to as well. Per bug #14872 from Dan Watson. Back-patch the .pgpass change to v10 where ba005f193 came in. The service-file bugs are far older, so back-patch the other changes to all supported branches. Discussion: https://postgr.es/m/20171025200457.1471.34504@wrigleys.postgresql.org
* Process variadic arguments consistently in json functionsAndrew Dunstan2017-10-25
| | | | | | | | | | | | json_build_object and json_build_array and the jsonb equivalents did not correctly process explicit VARIADIC arguments. They are modified to use the new extract_variadic_args() utility function which abstracts away the details of the call method. Michael Paquier, reviewed by Tom Lane and Dmitry Dolgov. Backpatch to 9.5 for the jsonb fixes and 9.4 for the json fixes, as that's where they originated.
* Add a utility function to extract variadic function argumentsAndrew Dunstan2017-10-25
| | | | | | | | | | | This is epecially useful in the case or "VARIADIC ANY" functions. The caller can get the artguments and types regardless of whether or not and explicit VARIADIC array argument has been used. The function also provides an option to convert arguments on type "unknown" to to "text". Michael Paquier and me, reviewed by Tom Lane. Backpatch to 9.4 in order to support the following json bug fix.
* Update time zone data files to tzdata release 2017c.Tom Lane2017-10-23
| | | | | | DST law changes in Fiji, Namibia, Northern Cyprus, Sudan, Tonga, and Turks & Caicos Islands. Historical corrections for Alaska, Apia, Burma, Calcutta, Detroit, Ireland, Namibia, and Pago Pago.
* Sync our copy of the timezone library with IANA release tzcode2017c.Tom Lane2017-10-23
| | | | | | | This is a trivial update containing only cosmetic changes. The point is just to get back to being synced with an official release of tzcode, rather than some ad-hoc point in their commit history, which is where commit 47f849a3c left it.
* Fix some oversights in expression dependency recording.Tom Lane2017-10-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | find_expr_references() neglected to record a dependency on the result type of a FieldSelect node, allowing a DROP TYPE to break a view or rule that contains such an expression. I think we'd omitted this case intentionally, reasoning that there would always be a related dependency ensuring that the DROP would cascade to the view. But at least with nested field selection expressions, that's not true, as shown in bug #14867 from Mansur Galiev. Add the dependency, and for good measure a dependency on the node's exposed collation. Likewise add a dependency on the result type of a FieldStore. I think here the reasoning was that it'd only appear within an assignment to a field, and the dependency on the field's column would be enough ... but having seen this example, I think that's wrong for nested-composites cases. Looking at nearby code, I notice we're not recording a dependency on the exposed collation of CoerceViaIO, which seems inconsistent with our choices for related node types. Maybe that's OK but I'm feeling suspicious of this code today, so let's add that; it certainly can't hurt. This patch does not do anything to protect already-existing views, only views created after it's installed. But seeing that the issue has been there a very long time and nobody noticed till now, that's probably good enough. Back-patch to all supported branches. Discussion: https://postgr.es/m/20171023150118.1477.19174@wrigleys.postgresql.org
* Fix typcache's failure to treat ranges as container types.Tom Lane2017-10-20
| | | | | | | | | | | | | | | | | Like the similar logic for arrays and records, it's necessary to examine the range's subtype to decide whether the range type can support hashing. We can omit checking the subtype for btree-defined operations, though, since range subtypes are required to have those operations. (Possibly that simplification for btree cases led us to overlook that it does not apply for hash cases.) This is only an issue if the subtype lacks hash support, which is not true of any built-in range type, but it's easy to demonstrate a problem with a range type over, eg, money: you can get a "could not identify a hash function" failure when the planner is misled into thinking that hash join or aggregation would work. This was born broken, so back-patch to all supported branches.
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