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* Clean up local redeclarations of variables with DLLIMPORT, per reportTom Lane2006-10-19
| | | | from Magnus that MSVC complains about this.
* sslinfo contrib module - information about current SSL certificatePeter Eisentraut2006-09-04
| | | | Author: Victor Wagner <vitus@cryptocom.ru>
* Add server support for "plugin" libraries that can be used for add-on tasksTom Lane2006-08-15
| | | | | | | | | | | | | | | | | | such as debugging and performance measurement. This consists of two features: a table of "rendezvous variables" that allows separately-loaded shared libraries to communicate, and a new GUC setting "local_preload_libraries" that allows libraries to be loaded into specific sessions without explicit cooperation from the client application. To make local_preload_libraries as flexible as possible, we do not restrict its use to superusers; instead, it is restricted to load only libraries stored in $libdir/plugins/. The existing LOAD command has also been modified to allow non-superusers to LOAD libraries stored in this directory. This patch also renames the existing GUC variable preload_libraries to shared_preload_libraries (after a suggestion by Simon Riggs) and does some code refactoring in dfmgr.c to improve clarity. Korry Douglas, with a little help from Tom Lane.
* Add a feature for automatic initialization and finalization of dynamicallyTom Lane2006-08-08
| | | | | | | | | loaded libraries: call functions _PG_init() and _PG_fini() if the library defines such symbols. Hence we no longer need to specify an initialization function in preload_libraries: we can assume that the library used the _PG_init() convention, instead. This removes one source of pilot error in use of preloaded libraries. Original patch by Ralf Engelschall, preload_libraries changes by me.
* Update copyright for 2006. Update scripts.Bruce Momjian2006-03-05
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* Make all command-line options of postmaster and postgres the same. SeePeter Eisentraut2006-01-05
| | | | | http://archives.postgresql.org/pgsql-hackers/2006-01/msg00151.php for the complete plan.
* Re-run pgindent, fixing a problem where comment lines after a blankBruce Momjian2005-11-22
| | | | | | | | | comment line where output as too long, and update typedefs for /lib directory. Also fix case where identifiers were used as variable names in the backend, but as typedefs in ecpg (favor the backend for indenting). Backpatch to 8.1.X.
* Fix Windows setitimer() emulation to not depend on delivering an APCTom Lane2005-10-25
| | | | | | to the main thread. This allows removal of WaitForSingleObjectEx() calls from the main thread, thereby allowing us to re-enable Qingqing Zhou's CHECK_FOR_INTERRUPTS performance improvement. Qingqing, Magnus, et al.
* Temporarily disable Qingqing's Windows signal processing patch, so thatTom Lane2005-10-22
| | | | | | WaitForSingleObjectEx is always called by CHECK_FOR_INTERRUPTS. This should be reinstated but the setitimer() emulation will have to be redesigned first.
* Improve performance of CHECK_FOR_INTERRUPTS() macro on Windows by not doingTom Lane2005-10-21
| | | | | | | a kernel call unless there's some evidence of a pending signal. This should bring its performance on Windows into line with the Unix version. Problem diagnosis and patch by Qingqing Zhou. Minor stylistic tweaks by moi ... if it's broken, it's my fault.
* Standard pgindent run for 8.1.Bruce Momjian2005-10-15
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* Avoid an Assert failure if OuterUserId hasn't been set yet duringTom Lane2005-08-17
| | | | | AbortTransaction. This can happen if a backend's InitPostgres transaction fails (eg, because the given username is invalid). Per Alvaro.
* Add SET ROLE. This is a partial commit of Stephen Frost's recent patch;Tom Lane2005-07-25
| | | | I'm still working on the has_role function and information_schema changes.
* Arrange for the postmaster (and standalone backends, initdb, etc) toTom Lane2005-07-04
| | | | | | | | chdir into PGDATA and subsequently use relative paths instead of absolute paths to access all files under PGDATA. This seems to give a small performance improvement, and it should make the system more robust against naive DBAs doing things like moving a database directory that has a live postmaster in it. Per recent discussion.
* Replace pg_shadow and pg_group by new role-capable catalogs pg_authidTom Lane2005-06-28
| | | | | | | | and pg_auth_members. There are still many loose ends to finish in this patch (no documentation, no regression tests, no pg_dump support for instance). But I'm going to commit it now anyway so that Alvaro can make some progress on shared dependencies. The catalog changes should be pretty much done.
* Finish up the flat-files project: get rid of GetRawDatabaseInfo() hackTom Lane2005-02-26
| | | | | | | | | | | in favor of looking at the flat file copy of pg_database during backend startup. This should finally eliminate the various corner cases in which backend startup fails unexpectedly because it isn't able to distinguish live and dead tuples in pg_database. Simplify locking on pg_database to be similar to the rules used with pg_shadow and pg_group, and eliminate FlushRelationBuffers operations that were used only to reduce the odds of failure of GetRawDatabaseInfo. initdb forced due to addition of a trigger to pg_database.
* Tag appropriate files for rc3PostgreSQL Daemon2004-12-31
| | | | | | | | Also performed an initial run through of upgrading our Copyright date to extend to 2005 ... first run here was very simple ... change everything where: grep 1996-2004 && the word 'Copyright' ... scanned through the generated list with 'less' first, and after, to make sure that I only picked up the right entries ...
* Remove GUC USERLIMIT variable category, making the affected variablesTom Lane2004-11-14
| | | | | | | plain SUSET instead. Also delay processing of options received in client connection request until after we know if the user is a superuser, so that SUSET values can be set that way by legitimate superusers. Per recent discussion.
* Fix tsearch build problems.Tom Lane2004-10-22
| | | | Magnus Hagander
* Remove use of "miscadmin.h" in port C files and remove test for frontendBruce Momjian2004-10-18
| | | | in miscadmin.h.
* The attached patch fixes psql's win32 frontend-only build, by usingBruce Momjian2004-10-18
| | | | | | | pg_strcasecmp in variables.c, and #ifdef'ing out PostmasterPid in miscadmin.h. Dave Page
* Adjust configuration-files GUC behavior as per my recent proposal.Tom Lane2004-10-09
| | | | | | | | The vars are renamed to data_directory, config_file, hba_file, and ident_file, and are guaranteed to be set to accurate absolute paths during postmaster startup. This commit does not yet do anything about hiding path values from non-superusers.
* Fix error in Windows version of CHECK_FOR_INTERRUPTS macro.Tom Lane2004-09-06
| | | | | This prevented statement_timeout from working. Magnus Hagander
* Pgindent run for 8.0.Bruce Momjian2004-08-29
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* Update copyright to 2004.Bruce Momjian2004-08-29
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* Rename vacuum_cost_naptime to vacuum_cost_delay, with agreement from Jan.Bruce Momjian2004-08-06
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* Some mop-up work for savepoints (nested transactions). Store a smallTom Lane2004-08-01
| | | | | | | | | | | | number of active subtransaction XIDs in each backend's PGPROC entry, and use this to avoid expensive probes into pg_subtrans during TransactionIdIsInProgress. Extend EOXactCallback API to allow add-on modules to get control at subxact start/end. (This is deliberately not compatible with the former API, since any uses of that API probably need manual review anyway.) Add basic reference documentation for SAVEPOINT and related commands. Minor other cleanups to check off some of the open issues for subtransactions. Alvaro Herrera and Tom Lane.
* Tablespaces. Alternate database locations are dead, long live tablespaces.Tom Lane2004-06-18
| | | | | | | | | There are various things left to do: contrib dbsize and oid2name modules need work, and so does the documentation. Also someone should think about COMMENT ON TABLESPACE and maybe RENAME TABLESPACE. Also initlocation is dead, it just doesn't know it yet. Gavin Sherry and Tom Lane.
* Separate out bgwriter code into a logically separate module, ratherTom Lane2004-05-29
| | | | | | | | | than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
* Code review for EXEC_BACKEND changes. Reduce the number of #ifdefs byTom Lane2004-05-28
| | | | | | | | | | | about a third, make it work on non-Windows platforms again. (But perhaps I broke the WIN32 code, since I have no way to test that.) Fold all the paths that fork postmaster child processes to go through the single routine SubPostmasterMain, which takes care of resurrecting the state that would normally be inherited from the postmaster (including GUC variables). Clean up some places where there's no particularly good reason for the EXEC and non-EXEC cases to work differently. Take care of one or two FIXMEs that remained in the code.
* Clean up some relative path install issues with Claudio's help.Bruce Momjian2004-05-18
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* Reorganize code to allow path-relative installs.Bruce Momjian2004-05-17
| | | | | | | Create new get_* functions to access compiled-in paths and adjust if relative installs are to be used. Clean up substitute_libpath_macro() code.
* Reorganize backend code to more cleanly manage executable names andBruce Momjian2004-05-13
| | | | backend startup.
* As part of the work for making relocatable installs, I have re-factoredBruce Momjian2004-05-11
| | | | | | | | | | | | all the code that looks for other binaries. I move FindExec into port/exec.c (and renamed it to find_my_binary()). I also added find_other_binary that looks for another binary in the same directory as the calling program, and checks the version string. The only behavior change was that initdb and pg_dump would look in the hard-coded bindir directory if it can't find the requested binary in the same directory as the caller. The new code throws an error. The old behavior seemed too error prone for version mismatches.
* Here's an attempt at new socket and signal code for win32.Bruce Momjian2004-04-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It works on the principle of turning sockets into non-blocking, and then emulate blocking behaviour on top of that, while allowing signals to run. Signals are now implemented using an event instead of APCs, thus getting rid of the issue of APCs not being compatible with "old style" sockets functions. It also moves the win32 specific code away from pqsignal.h/c into port/win32, and also removes the "thread style workaround" of the APC issue previously in place. In order to make things work, a few things are also changed in pgstat.c: 1) There is now a separate pipe to the collector and the bufferer. This is required because the pipe will otherwise only be signalled in one of the processes when the postmaster goes down. The MS winsock code for select() must have some kind of workaround for this behaviour, but I have found no stable way of doing that. You really are not supposed to use the same socket from more than one process (unless you use WSADuplicateSocket(), in which case the docs specifically say that only one will be flagged). 2) The check for "postmaster death" is moved into a separate select() call after the main loop. The previous behaviour select():ed on the postmaster pipe, while later explicitly saying "we do NOT check for postmaster exit inside the loop". The issue was that the code relies on the same select() call seeing both the postmaster pipe *and* the pgstat pipe go away. This does not always happen, and it appears that useing WSAEventSelect() makes it even more common that it does not. Since it's only called when the process exits, I don't think using a separate select() call will have any significant impact on how the stats collector works. Magnus Hagander
* Replace max_expr_depth parameter with a max_stack_depth parameter thatTom Lane2004-03-24
| | | | | | is measured in kilobytes and checked against actual physical execution stack depth, as per my proposal of 30-Dec. This gives us a fairly bulletproof defense against crashing due to runaway recursive functions.
* Replace the virtual_host and tcpip_socket parameters with a unifiedTom Lane2004-03-23
| | | | | | | | listen_addresses parameter, as per recent discussion. The default behavior is now to listen on localhost, which eliminates the need for the -i postmaster switch in many scenarios. Andrew Dunstan
* Centralize implementation of delay code by creating a pg_usleep()Tom Lane2004-02-10
| | | | | | | | | subroutine in src/port/pgsleep.c. Remove platform dependencies from miscadmin.h and put them in port.h where they belong. Extend recent vacuum cost-based-delay patch to apply to VACUUM FULL, ANALYZE, and non-btree index vacuuming. By the way, where is the documentation for the cost-based-delay patch?
* Win32 signals cleanup. Patch by Magnus Hagander, with input from ClaudioNeil Conway2004-02-08
| | | | | | | | | | | | | | | | | | | | | | Natoli and Bruce Momjian (and some cosmetic fixes from Neil Conway). Changes: - remove duplicate signal definitions from pqsignal.h - replace pqkill() with kill() and redefine kill() in Win32 - use ereport() in place of fprintf() in some error handling in pqsignal.c - export pg_queue_signal() and make use of it where necessary - add a console control handler for Ctrl-C and similar handling on Win32 - do WaitForSingleObjectEx() in CHECK_FOR_INTERRUPTS() on Win32; query cancelling should now work on Win32 - various other fixes and cleanups
* Cost based vacuum delay feature.Jan Wieck2004-02-06
| | | | Jan
* Rename SortMem and VacuumMem to work_mem and maintenance_work_mem.Tom Lane2004-02-03
| | | | | | | Make btree index creation and initial validation of foreign-key constraints use maintenance_work_mem rather than work_mem as their memory limit. Add some code to guc.c to allow these variables to be referenced by their old names in SHOW and SET commands, for backwards compatibility.
* Remove sleep() and use single PG_SLEEP call for Win32 signal handlingBruce Momjian2004-01-30
| | | | | | and consistency. Change PG_USLEEP to use SleepEx() for signal interuptability.
* [all] Removed call to getppid in SendPostmasterSignal, replacing with aBruce Momjian2004-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | PostmasterPid variable, which gets set (early) in PostmasterMain getppid would not be the postmaster? [fork/exec] Implements processCancelRequest by keeping an array of pid/cancel_key structs in shared mem [fork/exec] Moves AttachSharedMemoryAndSemaphores call for backends into SubPostmasterMain [win32] Implements reaper/waitpid by keeping an arrays of children pids,handles in postmaster local mem - this item is largely untested, for reasons which should be obvious, but appears sound [win32/all] Added extern for pgpipe in Win32 case, and changed the second pipe call (which seems to have been missed earlier) to pgpipe [win32] #define'd ftruncate to chsize in the Win32 case [win32] PG_USLEEP for Win32 has a misplaced paren. Fixed. [win32] DLLIMPORT handling for MingW case Claudio Natoli
* Back out win32 patch so we can apply it separately.Bruce Momjian2004-01-26
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* Attached is a patch that fixes some trivial typos and alignment. PleaseBruce Momjian2004-01-26
| | | | | | apply. Alvaro Herrera
* Remove ExpandDatabasePath(), which is unused and must have been so sinceTom Lane2004-01-22
| | | | 7.1, because the path interpretation it embodies has been wrong since 7.1.
* Oops, can't do cpp tests inside macros; make two macros instead.Bruce Momjian2004-01-09
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* Change PG_DELAY from msec to usec and use it consistenly rather thanBruce Momjian2004-01-09
| | | | select(). Add Win32 Sleep() for delay.
* Final rearrangement of main postgresql child process (ie.Bruce Momjian2004-01-06
| | | | | | | | BackendFork/SSDataBase/pgstat) startup, to allow fork/exec calls to closely mimic (the soon to be provided) Win32 CreateProcess equivalent calls. Claudio Natoli
* Remove unused 'noversion' command-line option processing from theNeil Conway2004-01-06
| | | | backend.
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