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76 Commits

Author SHA1 Message Date
Jan Wieck be948af2e8 Added LIMIT/OFFSET functionality including new regression test for it. 
Removed CURRENT keyword for rule queries and changed rules regression
accordingly. CURRENT has beed announced to disappear in v6.5.

Jan
 1999-02-08 14:14:32 +00:00
Jan Wieck ef590e101e Changed ExecConstraints() and ExecRelCheck() to cache the constraints 
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
 1999-02-07 16:17:14 +00:00
Jan Wieck dd4a357dc9 Missing semicolon in last fix :-} 
Jan
 1999-02-07 14:20:11 +00:00
Jan Wieck 6fa3d0a7ab One more fix to QuerySnapshot usage in ExecutorStart(). Maybe 
current QuerySnapshot could be NULL.

Jan
 1999-02-07 13:54:58 +00:00
Jan Wieck a5f3abacb5 Fixed problem with multiple portals shown up in portals_p2 regression 
test after new AllocSet code.

Activated optimal AllocSet blocksize and chunk limit.

Jan
 1999-02-07 13:37:56 +00:00
Jan Wieck ead64f317b New alloc set code using a memory block pool for small allocations. 
Jan
 1999-02-06 16:50:34 +00:00
Bruce Momjian 4390b0bfbe Add TEMP tables/indexes. Add COPY pfree(). Other cleanups. 1999-02-02 03:45:56 +00:00
Vadim B. Mikheev bfa6d510b3 Small fix for READ COMMITTED isolevel. 1999-01-29 13:24:36 +00:00
Vadim B. Mikheev aaef7beb79 Hope that execMain.c good merged. 
Fix for BEFORE ROW UPDATE triggers: result tuple may be different
(due to concurrent update) from one initially produced by top level plan.
 1999-01-29 11:56:01 +00:00
Vadim B. Mikheev 1d41e88568 Trying to fix bad merging... 1999-01-29 10:15:09 +00:00
Vadim B. Mikheev e3a1ab764e READ COMMITTED isolevel is implemented and is default now. 1999-01-29 09:23:17 +00:00
Tom Lane b946244c1c Quick fix for subplan-related crash. 1999-01-27 16:48:20 +00:00
Tom Lane 422221c90d Another SELECT speedup: extract OIDs of column print functions 
only once per SELECT, not once per tuple.  10% here, 10% there,
pretty soon you're talking about real speedups ...
 1999-01-27 00:36:28 +00:00
Vadim B. Mikheev 247b3f9054 SELECT FOR UPDATE is implemented... 1999-01-25 12:01:19 +00:00
Vadim B. Mikheev 3498d878cb SET TRANSACTION ISOLATION LEVEL ... 
LOCK TABLE IN ... MODE
...implemented
 1998-12-18 09:10:39 +00:00
Vadim B. Mikheev c13a64d7fb Serialized mode works! 1998-12-16 11:53:55 +00:00
Vadim B. Mikheev 3f7fbf85dc Initial MVCC code. 
New code for locking buffer' context.
 1998-12-15 12:47:01 +00:00
Vadim B. Mikheev 6beba218d7 New HeapTuple structure/interface. 1998-11-27 19:52:36 +00:00
Bruce Momjian 8cec4cf91b New QUERY_LIMIT set command. 1998-10-14 05:10:12 +00:00
Tom Lane d33bbb5b1f Get rid of some long-dead code that thinks NOTIFY is passed to the 
planner/optimizer/executor.  It isn't.
Besides, most of the removed code consists of comments about how
it's not right.
 1998-10-01 02:04:01 +00:00
Thomas G. Lockhart 4327a3675f Clean up existing debugging print statements. 
Modify comment blocks to insulate from pgindent.
 1998-09-25 13:38:32 +00:00
Bruce Momjian fa1a8d6a97 OK, folks, here is the pgindent output. 1998-09-01 04:40:42 +00:00
Bruce Momjian af74855a60 Renaming cleanup, no pgindent yet. 1998-09-01 03:29:17 +00:00
Bruce Momjian 7971539020 heap_fetch requires buffer pointer, must be released; heap_getnext 
no longer returns buffer pointer, can be gotten from scan;
	descriptor; bootstrap can create multi-key indexes;
pg_procname index now is multi-key index; oidint2, oidint4, oidname
are gone (must be removed from regression tests); use System Cache
rather than sequential scan in many places; heap_modifytuple no
longer takes buffer parameter; remove unused buffer parameter in
a few other functions; oid8 is not index-able; remove some use of
single-character variable names; cleanup Buffer variables usage
and scan descriptor looping; cleaned up allocation and freeing of
tuples; 18k lines of diff;
 1998-08-19 02:04:17 +00:00
Bruce Momjian af5fde7491 Make large objects their own relkind type. Fix dups in pg_class_mb 
files.  Fix sequence creation hack for relkind type.
 1998-08-06 05:13:14 +00:00
Vadim B. Mikheev be8300b18f Use Snapshot in heap access methods. 1998-07-27 19:38:40 +00:00
Bruce Momjian 34797d4225 Cleanup Name usage. 1998-07-20 16:14:18 +00:00
Bruce Momjian 5b4ca67147 Conditionally execute Junk filter only when ORDER BY of columns 
not in target list.
 1998-07-19 03:46:29 +00:00
Bruce Momjian 6bd323c6b3 Remove un-needed braces around single statements. 1998-06-15 19:30:31 +00:00
Bruce Momjian b15b768bfa Fix for drop database and junk filters. 1998-05-26 03:44:07 +00:00
Marc G. Fournier 9f3d63936b From: David Hartwig <daveh@insightdist.com> 
Here is a patch to remove the requirement that ORDER/GROUP BY clause
identifiers be included in the target list.
 1998-05-21 03:53:51 +00:00
Vadim B. Mikheev 1a6de0760d Check SELECT permissions in subqueries. 1998-02-27 08:43:53 +00:00
Bruce Momjian a32450a585 pgindent run before 6.3 release, with Thomas' requested changes. 1998-02-26 04:46:47 +00:00
Marc G. Fournier 7b30490bc9 First step done, 
below  is  the patch to have views to override the permission
    checks for the accessed tables. Now we can do the following:

    CREATE VIEW db_user AS SELECT
         usename,
         usesysid,
         usecreatedb,
         usetrace,
         usecatupd,
         '**********'::text as passwd,
         valuntil
        FROM pg_user;

    REVOKE ALL ON pg_user FROM public;
    REVOKE ALL ON db_user FROM public;
    GRANT SELECT ON db_user TO public;
 1998-02-21 06:32:15 +00:00
Vadim B. Mikheev 1a105cefbd Support for subselects. 
ExecReScan for nodeAgg, nodeHash, nodeHashjoin, nodeNestloop and nodeResult.
Fixed ExecReScan for nodeMaterial.
Get rid of #ifdef INDEXSCAN_PATCH.
Get rid of ExecMarkPos and ExecRestrPos in nodeNestloop.
 1998-02-13 03:26:53 +00:00
Bruce Momjian 2c482cdbf2 Pass attypmod through to executor by adding to Var and Resdom. 1998-02-10 04:02:59 +00:00
Bruce Momjian 691dc282f8 Fix for SELECT INTO TABLE for varchar(). 1998-01-19 02:37:51 +00:00
Bruce Momjian c65ea0e040 New pg_attribute.atttypmod for type-specific information like 
varchar length.

Cleans up code so attlen is always length.

Removed varchar() hack added earlier.

Will fix bug in selecting varchar() fields, and varchar() can be
variable length.
 1998-01-16 23:21:07 +00:00
Bruce Momjian cb3ce64f2e Cleanup of prototypes. FIx for PQtrace start/stop several times. 1998-01-14 15:48:51 +00:00
Bruce Momjian 679d39b9c8 Goodbye ABORT. Hello ERROR for all errors. 1998-01-07 21:07:04 +00:00
Bruce Momjian 0d9fc5afd6 Change elog(WARN) to elog(ERROR) and elog(ABORT). 1998-01-05 03:35:55 +00:00
Bruce Momjian 002796b5ca Rename heap_destroyr to heap_destroy, heap_destroy to heap_destroy_with_catalog. 1997-11-28 17:28:02 +00:00
Bruce Momjian c445ba331b Rename heap_create to heap_create_and_catatlog, rename heap_creatr to heap_create(). 1997-11-28 04:40:40 +00:00
Bruce Momjian f7f2e18f8e Remove tqual.h includes not needed. 1997-11-24 05:09:50 +00:00
Bruce Momjian 3fa2bb316c Remove archive stuff. 1997-11-21 18:12:58 +00:00
Bruce Momjian e9e1ff226f Remove all time travel stuff. Small parser cleanup. 1997-11-20 23:24:03 +00:00
Thomas G. Lockhart c2f4779ddf Define prototype for ExecutorLimit() to avoid compiler complaints. 1997-11-17 16:41:04 +00:00
Bruce Momjian 5aaf00f3f3 Remove NOT_USED for Massimo. 1997-11-05 21:18:59 +00:00
Bruce Momjian f3af1368bd Rename strNcpy to StrNCpy, and change third parameter. 1997-10-25 01:10:58 +00:00
Vadim B. Mikheev defb10a450 DEFAULT is handled by analyze.c now. 1997-10-12 07:09:20 +00:00