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39 Commits

Author SHA1 Message Date
Tom Lane
db436adf76 Major revision of sort-node handling: push knowledge of query 
sort order down into planner, instead of handling it only at the very top
level of the planner.  This fixes many things.  An explicit sort is now
avoided if there is a cheaper alternative (typically an indexscan) not
only for ORDER BY, but also for the internal sort of GROUP BY.  It works
even when there is no other reason (such as a WHERE condition) to consider
the indexscan.  It works for indexes on functions.  It works for indexes
on functions, backwards.  It's just so cool...

CAUTION: I have changed the representation of SortClause nodes, therefore
THIS UPDATE BREAKS STORED RULES.  You will need to initdb.
 1999-08-21 03:49:17 +00:00
Tom Lane
2ae51c86c9 Minor cleanups and code beautification; eliminate some 
routines that are now dead code.
 1999-08-10 03:00:15 +00:00
Tom Lane
5efe31214a Clean up tlist.c tree-walking routines with 
expression_tree_mutator.
 1999-08-09 05:34:13 +00:00
Bruce Momjian
a71802e12e Final cleanup. 1999-07-16 05:00:38 +00:00
Bruce Momjian
2e6b1e63a3 Remove unused #includes in *.c files. 1999-07-15 22:40:16 +00:00
Bruce Momjian
4b2c2850bf Clean up #include in /include directory. Add scripts for checking includes. 1999-07-15 15:21:54 +00:00
Bruce Momjian
fcff1cdf4e Another pgindent run. Sorry folks. 1999-05-25 22:43:53 +00:00
Bruce Momjian
07842084fe pgindent run over code. 1999-05-25 16:15:34 +00:00
Bruce Momjian
585c967720 Change resjunk to a boolean. 1999-05-17 17:03:51 +00:00
Jan Wieck
79c2576f77 Replaced targetlist entry in GroupClause by reference number 
in Resdom and GroupClause so changing of resno's doesn't confuse
the grouping any more.

Jan
 1999-05-12 15:02:39 +00:00
Tom Lane
ec1f5f78b9 Fix oversights in flatten_tlistentry and replace_clause_joinvar_refs 
that led to CASE expressions not working very well in joined queries.
 1999-05-06 23:07:33 +00:00
Marc G. Fournier
8c3e8a8a0e From: Tatsuo Ishii <t-ishii@sra.co.jp> 
Ok. I made patches replacing all of "#if FALSE" or "#if 0" to "#ifdef
NOT_USED" for current. I have tested these patches in that the
postgres binaries are identical.
 1999-02-21 03:49:55 +00:00
Bruce Momjian
e6bf7b4d93 rename 1999-02-15 05:56:07 +00:00
Bruce Momjian
6724a50787 Change my-function-name-- to my_function_name, and optimizer renames. 1999-02-13 23:22:53 +00:00
Bruce Momjian
9dbb0efb0b Optmizer cleanup 1999-02-10 21:02:50 +00:00
Tom Lane
65d320e7e4 Fix bracketing error in CaseExpr code 1999-02-07 03:02:21 +00:00
Bruce Momjian
9322950aa4 Cleanup of source files where 'return' or 'var =' is alone on a line. 1999-02-03 21:18:02 +00:00
Bruce Momjian
17467bb7fb Rename Aggreg to Aggref. 1999-01-24 00:28:37 +00:00
Thomas G. Lockhart
bedd04a551 Implement CASE expression. 1998-12-04 15:34:49 +00:00
Bruce Momjian
3ce8a1b4ba Fix for SELECT NOT boolfield FROM table 1998-09-22 21:48:27 +00:00
Bruce Momjian
a3c5a3cb2f Cleanup for oid8[] from Tatsuo Ishii. 1998-09-22 20:28:15 +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
7702d7aa4b target list fixes. 1998-07-20 21:18:35 +00:00
Bruce Momjian
3dd2eabc53 Cleanup makeTargetEntry and remove internal.c. 1998-07-20 19:53:53 +00:00
Bruce Momjian
584f9438ca Rename Rel to RelOptInfo. 1998-07-18 04:22:52 +00:00
Bruce Momjian
6bd323c6b3 Remove un-needed braces around single statements. 1998-06-15 19:30:31 +00:00
Bruce Momjian
a32450a585 pgindent run before 6.3 release, with Thomas' requested changes. 1998-02-26 04:46:47 +00:00
Vadim B. Mikheev
e51c674c59 Support for subselects. 1998-02-13 03:40:23 +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
7f31669bea Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
Bruce Momjian
4a5b781d71 Break parser functions into smaller files, group together. 1997-11-25 22:07:18 +00:00
Bruce Momjian
59f6a57e59 Used modified version of indent that understands over 100 typedefs. 1997-09-08 21:56:23 +00:00
Bruce Momjian
319dbfa736 Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting. 1997-09-08 02:41:22 +00:00
Bruce Momjian
1ccd423235 Massive commit to run PGINDENT on all *.c and *.h files. 1997-09-07 05:04:48 +00:00
Bruce Momjian
11ac1bf268 More NOT_USEDs 1997-08-20 14:54:35 +00:00
Bruce Momjian
1d8bbfd2e7 Make functions static where possible, enclose unused functions in #ifdef NOT_USED. 1997-08-19 21:40:56 +00:00
Vadim B. Mikheev
d12e27a5f3 Changes for GROUP BY func_results: 
AddGroupAttrToTlist() is not called from anywhere now.
 1997-04-05 06:39:58 +00:00
Marc G. Fournier
d31084e9d1 Postgres95 1.01 Distribution - Virgin Sources 1996-07-09 06:22:35 +00:00