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* Change the way pg_basebackup's tablespace mapping is implemented.Heikki Linnakangas2014-08-22
| | | | | | | | | | | | | | | | Previously, we would first create the symlinks the way they are in the original system, and at the end replace them with the mapped symlinks. That never really made much sense, so now we create the symlink pointing to the correct location to begin with, so that there's no need to fix them at the end. The old coding didn't work correctly on Windows, because Windows junction points look more like directories than files, and ought to be removed with rmdir rather than unlink. Also, it incorrectly used "%d" rather than "%u" to print an Oid, but that's gone now. Report and patch by Amit Kapila, with minor changes by me. Reviewed by MauMau. Backpatch to 9.4, where the --tablespace feature was added.
* Fix whitespacePeter Eisentraut2014-08-21
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* Rework 'MOVE ALL' to 'ALTER .. ALL IN TABLESPACE'Stephen Frost2014-08-21
| | | | | | | | | | | | As 'ALTER TABLESPACE .. MOVE ALL' really didn't change the tablespace but instead changed objects inside tablespaces, it made sense to rework the syntax and supporting functions to operate under the 'ALTER (TABLE|INDEX|MATERIALIZED VIEW)' syntax and to be in tablecmds.c. Pointed out by Alvaro, who also suggested the new syntax. Back-patch to 9.4.
* Add #define INT64_MODIFIER for the printf length modifier for 64-bit ints.Heikki Linnakangas2014-08-21
| | | | | | | We have had INT64_FORMAT and UINT64_FORMAT for a long time, but that's not good enough if you want something more exotic, like "%20lld". Abhijit Menon-Sen, per Andres Freund's suggestion.
* More regression test cases for json/jsonb extraction operators.Tom Lane2014-08-20
| | | | | | | Cover some cases I omitted before, such as null and empty-string elements in the path array. This exposes another inconsistency: json_extract_path complains about empty path elements but jsonb_extract_path does not.
* Fix core dump in jsonb #> operator, and add regression test cases.Tom Lane2014-08-20
| | | | | | | | | | | | | | | | | jsonb's #> operator segfaulted (dereferencing a null pointer) if the RHS was a zero-length array, as reported in bug #11207 from Justin Van Winkle. json's #> operator returns NULL in such cases, so for the moment let's make jsonb act likewise. Also add a bunch of regression test queries memorializing the -> and #> operators' behavior for this and other corner cases. There is a good argument for changing some of these behaviors, as they are not very consistent with each other, and throwing an error isn't necessarily a desirable behavior for operators that are likely to be used in indexes. However, everybody can agree that a core dump is the Wrong Thing, and we need test cases even if we decide to change their expected output later.
* Use comma+space as the separator in the default search_path.Heikki Linnakangas2014-08-20
| | | | | | | | While the space is optional, it seems nicer to be consistent with what you get if you do "SET search_path=...". SET always normalizes the separator to be comma+space. Christoph Martin
* Revert "Fix bug in checking of IDENTIFY_SYSTEM result."Fujii Masao2014-08-19
| | | | | | | | | | | | | | This reverts commit 083d29c65b7897f90c70e6dc0a4240a5fa75c8f2. The commit changed the code so that it causes an errors when IDENTIFY_SYSTEM returns three columns. But which prevents us from using the replication-related utilities against the server with older version. This is not what we want. For that compatibility, we allow the utilities to receive three columns as the result of IDENTIFY_SYSTEM eventhough it actually returns four columns in 9.4 or later. Pointed out by Andres Freund.
* Fix bug in checking of IDENTIFY_SYSTEM result.Fujii Masao2014-08-19
| | | | | | | | | | | | | 5a991ef8692ed0d170b44958a81a6bd70e90585 added new column into the result of IDENTIFY_SYSTEM command. But it was not reflected into several codes checking that result. Specifically though the number of columns in the result was increased to 4, it was still compared with 3 in some replication codes. Back-patch to 9.4 where the number of columns in IDENTIFY_SYSTEM result was increased. Report from Michael Paquier
* Install libpq DLL with $(INSTALL_SHLIB).Noah Misch2014-08-18
| | | | | | | Programs need execute permission on a DLL file to load it. MSYS "install" ignores the mode argument, and our Cygwin build statically links libpq into programs. That explains the lack of buildfarm trouble. Back-patch to 9.0 (all supported versions).
* Finish adding file version information to installed Windows binaries.Noah Misch2014-08-18
| | | | | | | In support of this, have the MSVC build follow GNU make in preferring GNUmakefile over Makefile when a directory contains both. Michael Paquier, reviewed by MauMau.
* Replace a few strncmp() calls with strlcpy().Noah Misch2014-08-18
| | | | | | | | | | | strncmp() is a specialized API unsuited for routine copying into fixed-size buffers. On a system where the length of a single filename can exceed MAXPGPATH, the pg_archivecleanup change prevents a simple crash in the subsequent strlen(). Few filesystems support names that long, and calling pg_archivecleanup with untrusted input is still not a credible use case. Therefore, no back-patch. David Rowley
* Fix further concerns about psql wrapping in expanded mode havingGreg Stark2014-08-18
| | | | collateral damage on other formats, by Sergey Muraviov.
* Reorganize functions in be-secure-openssl.cHeikki Linnakangas2014-08-18
| | | | | | | | | Move the functions within the file so that public interface functions come first, followed by internal functions. Previously, be_tls_write was first, then internal stuff, and finally the rest of the public interface, which clearly didn't make much sense. Per Andres Freund's complaint.
* Use ISO 8601 format for dates converted to JSON, too.Tom Lane2014-08-17
| | | | | | | | Commit f30015b6d794c15d52abbb3df3a65081fbefb1ed made this happen for timestamp and timestamptz, but it seems pretty inconsistent to not do it for simple dates as well. (In passing, I re-pgindent'd json.c.)
* Fix bogus return macros in range_overright_internal().Tom Lane2014-08-16
| | | | | | | | | PG_RETURN_BOOL() should only be used in functions following the V1 SQL function API. This coding accidentally fails to fail since letting the compiler coerce the Datum representation of bool back to plain bool does give the right answer; but that doesn't make it a good idea. Back-patch to older branches just to avoid unnecessary code divergence.
* Add opr_sanity queries to inspect commutator/negator links more closely.Tom Lane2014-08-16
| | | | | | | | Make lists of the names of all operators that are claimed to be commutator pairs or negator pairs. This is analogous to the existing queries that make lists of all operator names appearing in particular opclass strategy slots. Unexpected additions to these lists are likely to be mistakes; had we had these queries in place before, bug #11178 might've been prevented.
* Fix bogus commutator/negator links for JSONB containment operators.Tom Lane2014-08-16
| | | | | | | | | | | | <@ and @> are each other's commutators, but they were incorrectly marked as being each other's negators instead. (This was actually questioned in a comment in the original commit, but nobody followed through :-(.) Per bug #11178 from Christian Pronovost. In passing, fix some JSONB operator descriptions that were randomly different from the phrasing of every other similar description. catversion bump for pg_catalog contents change.
* Remove remnants of a JENTRY_ISFIRST flag bit.Heikki Linnakangas2014-08-15
| | | | I removed the flag earlier, but missed a few references in jsonb.h.
* Set shared library path for in-tree TAP testsPeter Eisentraut2014-08-15
| | | | | | When the TAP tests are run in-tree (make check), set the shared library path using the appropriate environment variable, using a logic similar to pg_regress, so that the right libraries are used.
* Add sortsupport routines for text.Robert Haas2014-08-14
| | | | | | | This provides a small but worthwhile speedup when sorting text, at least in cases to which the sortsupport machinery applies. Robert Haas and Peter Geoghegan
* Fix help message in pg_ctl.Fujii Masao2014-08-14
| | | | | | | | | Previously the help message described that -m is an option for "stop", "restart" and "promote" commands in pg_ctl. But actually that's not an option for "promote". So this commit fixes that incorrect description in the help message. Back-patch to 9.3 where the incorrect description was added.
* Fix whitespacePeter Eisentraut2014-08-13
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* Add some noreturn attributes based on compiler recommendationsPeter Eisentraut2014-08-13
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* Prevent memory leaks in parseRelOptions().Tom Lane2014-08-13
| | | | | | | | | | | | | | | | parseRelOptions() tended to leak memory in the caller's context. Most of the time this doesn't really matter since the caller's context is at most query-lifespan, and the function won't be invoked very many times. However, when testing with CLOBBER_CACHE_RECURSIVELY, the same relcache entry can get rebuilt a *lot* of times in one query, leading to significant intraquery memory bloat if it has any reloptions. Noted while investigating a related report from Tomas Vondra. In passing, get rid of some Asserts that are redundant with the one done by deconstruct_array(). As with other patches to avoid leaks in CLOBBER_CACHE testing, it doesn't really seem worth back-patching this.
* Prevent memory leaks in RelationGetIndexList, RelationGetIndexAttrBitmap.Tom Lane2014-08-13
| | | | | | | | | | | | | | | | | When replacing rd_indexlist, rd_indexattr, etc, we neglected to pfree any old value of these fields. Under ordinary circumstances, the old value would always be NULL, so this seemed reasonable enough. However, in cases where we're rebuilding a system catalog's relcache entry and another cache flush occurs on that same catalog meanwhile, it's possible for the field to not be NULL when we return to the outer level, because we already refilled it while recovering from the inner flush. This leads to a fairly small session-lifespan leak in CacheMemoryContext. In real-world usage the leak would be too small to notice; but in testing with CLOBBER_CACHE_RECURSIVELY the leakage can add up to the point of causing OOM failures, as reported by Tomas Vondra. The issue has been there a long time, but it only seems worth fixing in HEAD, like the previous fix in this area (commit 078b2ed291c758e7).
* Expose -S option in pg_receivexlog.Fujii Masao2014-08-13
| | | | | | | | | | | | This option is equivalent to --slot option which pg_receivexlog has already supported, which specifies the replication slot to use for WAL streaming. pg_recvlogical has already supported both options, and this commit makes pg_receivexlog consistent with pg_recvlogical regarding the slot option. Back-patch to 9.4 where the slot option was added. Michael Paquier
* pg_recvlogical message and code improvements.Andres Freund2014-08-12
| | | | | | | | | | | | Some error messages complained about --init and --stop being used whereas the --create and --drop are the correct verbs. Fix that. Also a XLogRecPtr was tested in a boolean fashion instead of being compared to InvalidXLogRecPtr. Backpatch to 9.4 where pg_recvlogical was introduced. Michael Paquier
* Be less aggressive in asking for feedback of logical walsender clients.Andres Freund2014-08-12
| | | | | | | | | | | | | | | | | | When doing logical decoding using START_LOGICAL_REPLICATION in a walsender process the walsender sometimes was sending out keepalive messages too frequently. Asking for feedback every time. WalSndWaitForWal() sends out keepalive messages when it's waiting for new WAL to be generated locally when it sees that the remote side hasn't yet flushed WAL up to the local position. That generally is good but causes problems if the remote side only writes but doesn't flush changes yet. So check for both remote write and flush position. Additionally we've asked for feedback to the keepalive message which isn't warranted when waiting for WAL in contrast to preventing timeouts because of wal_sender_timeout. Complaint and patch by Steve Singer.
* Change first call of ProcessConfigFile so as to process only data_directory.Fujii Masao2014-08-12
| | | | | | | | | | | | | | | | | | | | | | | When both postgresql.conf and postgresql.auto.conf have their own entry of the same parameter, PostgreSQL uses the entry in postgresql.auto.conf because it appears last in the configuration scan. IOW, the other entries which appear earlier are ignored. But, previously, ProcessConfigFile() detected the invalid settings of even those unused entries and emitted the error messages complaining about them, at postmaster startup. Complaining about the entries to ignore is basically useless. This problem happened because ProcessConfigFile() was called twice at postmaster startup and the first call read only postgresql.conf. That is, the first call could check the entry which might be ignored eventually by the second call which read both postgresql.conf and postgresql.auto.conf. To work around the problem, this commit changes ProcessConfigFile so that its first call processes only data_directory and the second one does all the entries. It's OK to process data_directory in the first call because it's ensured that data_directory doesn't exist in postgresql.auto.conf. Back-patch to 9.4 where postgresql.auto.conf was added. Patch by me. Review by Amit Kapila
* Add tab-completion for \unset and valid setting values of psql variables.Fujii Masao2014-08-12
| | | | | | | | | | | | | This commit also changes tab-completion for \set so that it displays all the special variables like COMP_KEYWORD_CASE. Previously it displayed only variables having the set values. Which was not user-friendly for those who want to set the unset variables. This commit also changes tab-completion for :variable so that only the variables having the set values are displayed. Previously even unset variables were displayed. Pavel Stehule, modified by me.
* Break out OpenSSL-specific code to separate files.Heikki Linnakangas2014-08-11
| | | | | | | | | | | | | | | | | | | This refactoring is in preparation for adding support for other SSL implementations, with no user-visible effects. There are now two #defines, USE_OPENSSL which is defined when building with OpenSSL, and USE_SSL which is defined when building with any SSL implementation. Currently, OpenSSL is the only implementation so the two #defines go together, but USE_SSL is supposed to be used for implementation-independent code. The libpq SSL code is changed to use a custom BIO, which does all the raw I/O, like we've been doing in the backend for a long time. That makes it possible to use MSG_NOSIGNAL to block SIGPIPE when using SSL, which avoids a couple of syscall for each send(). Probably doesn't make much performance difference in practice - the SSL encryption is expensive enough to mask the effect - but it was a natural result of this refactoring. Based on a patch by Martijn van Oosterhout from 2006. Briefly reviewed by Alvaro Herrera, Andreas Karlsson, Jeff Janes.
* Clean up handling of unknown-type inputs in json_build_object and friends.Tom Lane2014-08-09
| | | | | | | | There's actually no need for any special case for unknown-type literals, since we only need to push the value through its output function and unknownout() works fine. The code that was here was completely bizarre anyway, and would fail outright in cases that should work, not to mention suffering from some copy-and-paste bugs.
* Further cleanup of JSON-specific error messages.Tom Lane2014-08-09
| | | | | | | | | | | | | | | | | | Fix an obvious typo in json_build_object()'s complaint about invalid number of arguments, and make the errhint a bit more sensible too. Per discussion about how to word the improved hint, change the few places in the documentation that refer to JSON object field names as "names" to say "keys" instead, since that's what we've said in the vast majority of places in the docs. Arguably "name" is more correct, since that's the terminology used in RFC 7159; but we're stuck with "key" in view of the naming of json_object_keys() so let's at least be self-consistent. I adjusted a few code comments to match this as well, and failed to resist the temptation to clean up some odd whitespace choices in the same area, as well as a useless duplicate PG_ARGISNULL() check. There's still quite a bit of code that uses the phrase "field name" in non-user- visible ways, so I left those usages alone.
* Reject duplicate column names in foreign key referenced-columns lists.Tom Lane2014-08-09
| | | | | | | | | | | | | Such cases are disallowed by the SQL spec, and even if we wanted to allow them, the semantics seem ambiguous: how should the FK columns be matched up with the columns of a unique index? (The matching could be significant in the presence of opclasses with different notions of equality, so this issue isn't just academic.) However, our code did not previously reject such cases, but instead would either fail to match to any unique index, or generate a bizarre opclass-lookup error because of sloppy thinking in the index-matching code. David Rowley
* Small message fixesPeter Eisentraut2014-08-09
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* Add -F option to pg_receivexlog, for specifying fsync interval.Fujii Masao2014-08-08
| | | | | | | | | This allows us to specify the maximum time to issue fsync to ensure the received WAL file is safely flushed to disk. Without this, pg_receivexlog always flushes WAL file only when it's closed and which can cause WAL data to be lost at the event of a crash. Furuya Osamu, heavily modified by me.
* pg_upgrade: prevent oid conflicts with new-cluster TOAST tablesBruce Momjian2014-08-07
| | | | | | | | Previously, TOAST tables only required in the new cluster could cause oid conflicts if they were auto-numbered and a later conflicting oid had to be assigned. Backpatch through 9.3
* Improve comment.Heikki Linnakangas2014-08-07
| | | | | | Based on the old comment, it took me a while to figure out what the problem was. The importnat detail is that SSL_read() can return WANT_READ even though some raw data was received from the socket.
* Add PG_RETURN_UINT16 macro.Robert Haas2014-08-06
| | | | Manuel Kniep
* Don't require sort support functions to provide a comparator.Robert Haas2014-08-06
| | | | | | | | | This could be useful for datatypes like text, where we might want to optimize for some collations but not others. However, this patch doesn't introduce any new sortsupport functions that work this way; it merely revises the code so that future patches may do so. Patch by me. Review by Peter Geoghegan.
* Fix alternate regression test output file.Robert Haas2014-08-06
| | | | | | Commit 0ef99bdce3a6cd3195d7df12093042c16328c71c broke this. Jeff Janes
* Refactor pg_receivexlog main loop code, for readability, take 2.Fujii Masao2014-08-06
| | | | | | | | Previously the source codes for processing the received data and handling the end of stream were included in pg_receivexlog main loop. This commit splits out them as separate functions. This is useful for improving the readability of main loop code and making the future pg_receivexlog-related patch simpler.
* Change ParseConfigFp() so that it doesn't process unused entry of each ↵Fujii Masao2014-08-06
| | | | | | | | | | | | | | | | | | | | | | | | | | parameter. When more than one setting entries of same parameter exist in the configuration file, PostgreSQL uses only entry appearing last in configuration file scan. Since the other entries are not used, ParseConfigFp() doesn't need to process them, but previously it did that. This problematic behavior caused the configuration file scan to detect invalid settings of unused entries (e.g., existence of multiple entries of PGC_POSTMASTER parameter) and log the messages complaining about them. This commit changes the configuration file scan so that it processes only last entry of each parameter. Note that when multiple entries of same parameter exist both in postgresql.conf and postgresql.auto.conf, unused entries in postgresql.conf are still processed only at postmaster startup. The problem has existed since old version, but a user is more likely to encounter it since 9.4 where ALTER SYSTEM command was introduced. So back-patch to 9.4. Amit Kapila, slightly modified by me. Per report from Christoph Berg.
* Fix typo in C comment.Kevin Grittner2014-08-05
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* Improve some JSON error messages.Robert Haas2014-08-05
| | | | | | | These messages are new in 9.4, which hasn't been released yet, so back-patch to REL9_4_STABLE. Daniele Varrazzo
* Add missing PQclear() calls into pg_receivexlog.Fujii Masao2014-08-02
| | | | Back-patch to 9.3.
* Fix bug in pg_receivexlog --verbose.Fujii Masao2014-08-02
| | | | | | | | | In 9.2, pg_receivexlog with verbose option has emitted the messages at the end of each WAL file. But the commit 0b63291 suppressed such messages by mistake. This commit fixes the bug so that pg_receivexlog --verbose outputs such messages again. Back-patch to 9.3 where the bug was added.
* Move log_newpage and log_newpage_buffer to xlog.c.Heikki Linnakangas2014-07-31
| | | | | | | | | | | log_newpage is used by many indexams, in addition to heap, but for historical reasons it's always been part of the heapam rmgr. Starting with 9.3, we have another WAL record type for logging an image of a page, XLOG_FPI. Simplify things by moving log_newpage and log_newpage_buffer to xlog.c, and switch to using the XLOG_FPI record type. Bump the WAL version number because the code to replay the old HEAP_NEWPAGE records is removed.
* Avoid wholesale autovacuuming when autovacuum is nominally off.Tom Lane2014-07-30
| | | | | | | | | | | | | When autovacuum is nominally off, we will still launch autovac workers to vacuum tables that are at risk of XID wraparound. But after we'd done that, an autovac worker would proceed to autovacuum every table in the targeted database, if they meet the usual thresholds for autovacuuming. This is at best pretty unexpected; at worst it delays response to the wraparound threat. Fix it so that if autovacuum is nominally off, we *only* do forced vacuums and not any other work. Per gripe from Andrey Zhidenkov. This has been like this all along, so back-patch to all supported branches.
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