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* Added LIMIT/OFFSET functionality including new regression test for it.Jan Wieck1999-02-089-35/+305
| | | | | | | Removed CURRENT keyword for rule queries and changed rules regression accordingly. CURRENT has beed announced to disappear in v6.5. Jan
* Optimizer cleanup.Bruce Momjian1999-02-0814-78/+86
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* Revert some changes from the INTERSECT/EXPECT patch that brokeJan Wieck1999-02-081-10/+20
| | | | | | | | | | | | rule system semantics by having Var nodes referenced across multiple parsetrees when rules split them. Added more tests to the rules regression test. The code in question resulted from v6.3 based development and was a little careless applied to the v6.5 source tree. Jan
* Simplify scanstr(), fix broken octal-escape code.Tom Lane1999-02-071-71/+50
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* Simplify lexer's rules for string constants, eliminate potential buffer overrun.Tom Lane1999-02-072-245/+216
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* Clean up some minor compile warnings.Tom Lane1999-02-074-7/+15
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* New gram.c after modification of gram.yJan Wieck1999-02-071-4196/+4213
| | | | Jan
* Reenabled parentheses for grouping multiple rule actions andJan Wieck1999-02-071-24/+21
| | | | | | | added this syntax to rules regression test so it will show up if someone breaks it again. Jan
* Changed ExecConstraints() and ExecRelCheck() to cache the constraintsJan Wieck1999-02-072-11/+22
| | | | | | | | | qualification expression trees in the execution state. Prevents from memory exhaustion on INSERT, UPDATE or COPY to tables that have CHECK constraints. Speedup against the variant using freeObject() is more than factor 2. Jan
* Missing semicolon in last fix :-}Jan Wieck1999-02-071-2/+2
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* One more fix to QuerySnapshot usage in ExecutorStart(). MaybeJan Wieck1999-02-071-6/+11
| | | | | | current QuerySnapshot could be NULL. Jan
* Fixed problem with multiple portals shown up in portals_p2 regressionJan Wieck1999-02-072-12/+17
| | | | | | | | test after new AllocSet code. Activated optimal AllocSet blocksize and chunk limit. Jan
* Fix bracketing error in CaseExpr codeTom Lane1999-02-071-3/+4
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* Add equality checking for T_Query so that we don't getTom Lane1999-02-071-9/+111
| | | | | complaints in UNION regress test. Probably still need some more node types to be handled here, but I'm done for the day...
* Add floating-point support to our emulation of snprintfTom Lane1999-02-061-64/+82
| | | | so that EXPLAIN works again.
* Fix silly typo causing SELECT INTO TABLE to sometimes beTom Lane1999-02-062-9/+9
| | | | treated as SELECT INTO TEMP TABLE.
* Optimizer cleanup.Bruce Momjian1999-02-065-18/+19
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* New alloc set code using a memory block pool for small allocations.Jan Wieck1999-02-068-293/+1596
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* optimizer cleanupBruce Momjian1999-02-051-2/+2
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* Optimizer cleanup.Bruce Momjian1999-02-059-26/+26
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* Fix for returning stack pointer from selectivity, from Bernard Frankpitt.Bruce Momjian1999-02-051-5/+3
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* Fix silly typo in prune_joinrelTom Lane1999-02-051-2/+2
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* Optimizer cleanups.Bruce Momjian1999-02-041-2/+1
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* Update optimizer comments.Bruce Momjian1999-02-042-13/+18
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* Large object write-into-middle fix from Tatsuo Ishii.Bruce Momjian1999-02-041-2/+8
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* More optimizer cleanups.Bruce Momjian1999-02-046-29/+40
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* More optimizer renaming HInfo -> HashInfo.Bruce Momjian1999-02-049-50/+50
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* Cleanup of source files where 'return' or 'var =' is alone on a line.Bruce Momjian1999-02-0395-725/+411
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* Optimizer rename ClauseInfo -> RestrictInfo. Update optimizer README.Bruce Momjian1999-02-0328-405/+400
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* Sort node for ORDER BY is suppressed if choosen index scan willJan Wieck1999-02-031-2/+175
| | | | | | allways present tuples in the requested order. Jan
* Modify int8 to not depend on sscanf(), and fix configure's testTom Lane1999-02-031-5/+19
| | | | | | | | | | for int8 support. configure now checks only snprintf() for int8 support, not sprintf and sscanf as it used to. The reason for doing this is that if we are supplying our own snprintf code (which does handle long long int), we now only need working long long support in the compiler not in the platform's C library. I have verified that int8 now passes regression test on HPUX 9, and I think it should work on SunOS 4.1.* and other older platforms if gcc is used.
* SET_ARGS cleanupBruce Momjian1999-02-022-13/+8
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* Make GEQO use dependent on table and index count.Bruce Momjian1999-02-022-11/+28
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* OK I found it,Bruce Momjian1999-02-021-1/+13
| | | | | | | | | | | | | | I search in the planner for the '\xFF' appending. Finally I found in MakeIndexable() in gram.y Attach a patch which removes the "<=" test in USE_LOCALE, might make some queries a bit slower for us "locale-heads", BUT correct result is more important. regards, -- ----------------- Göran Thyni
* Included patches make some enhancements to the multi-byte support.Bruce Momjian1999-02-025-7/+464
| | | | | | | | | | | | | | | | | | | o allow to use Big5 (a Chinese encoding used in Taiwan) as a client encoding. In this case the server side encoding should be EUC_TW o add EUC_TW and Big5 test cases to the regression and the mb test (contributed by Jonah Kuo) o fix mistake in include/mb/pg_wchar.h. An encoding id for EUC_TW was not correct (was 3 and now is 4) o update documents (doc/README.mb and README.mb.jp) o update psql helpfile (bin/psql/psqlHelp.h) -- Tatsuo Ishii t-ishii@sra.co.jp
* Fix create_rule is->as.Bruce Momjian1999-02-022-21/+17
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* Fixed failed assertion happening in multiple action rulesJan Wieck1999-02-021-2/+7
| | | | | | | when parsestate in makeRangeTable() already contains an opened p_target_relation. Jan
* Add TEMP tables/indexes. Add COPY pfree(). Other cleanups.Bruce Momjian1999-02-0235-6219/+6396
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* Fixed growing of backend due to not pfree()'d data on COPY FROMJan Wieck1999-02-012-2/+3
| | | | | | | Fixed growing of backend if BEFORE DELETE trigger returns heap tuple different from trigtuple. Jan
* Initialize es_snapshot.Vadim B. Mikheev1999-02-012-1/+3
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* Tighten coding in samekeys(). Pretty braindead change,Tom Lane1999-02-011-5/+9
| | | | | but it saves almost 10% of the runtime in Charles Hornberger's optimizer example, so what the heck ...
* Fix postmaster to not try to start more than MaxBackendId children,Tom Lane1999-01-301-16/+42
| | | | per patch from Tatsuo Ishii
* Small fix for READ COMMITTED isolevel.Vadim B. Mikheev1999-01-291-9/+9
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* Hope that execMain.c good merged.Vadim B. Mikheev1999-01-292-23/+45
| | | | | Fix for BEFORE ROW UPDATE triggers: result tuple may be different (due to concurrent update) from one initially produced by top level plan.
* Trying to fix bad merging...Vadim B. Mikheev1999-01-291-15/+13
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* READ COMMITTED isolevel is implemented and is default now.Vadim B. Mikheev1999-01-2910-111/+475
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* Quick fix for subplan-related crash.Tom Lane1999-01-271-2/+2
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* Speedup of PL/pgSQL by calling ExecEvalExpr() directlyJan Wieck1999-01-271-23/+14
| | | | | | instead of SPI_execp() for simple expressions. Jan
* fix for aggregatesBruce Momjian1999-01-271-21/+15
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* From: Tatsuo Ishii <t-ishii@sra.co.jp>Marc G. Fournier1999-01-271-5/+2
| | | | | | Included patches fix a portability problem of unsetenv() used in 6.4.2 multi-byte support. unsetenv() is only avaliable on FreeBSD and Linux so I decided to replace with putenv().
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