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Author SHA1 Message Date
Bruce Momjian
0ff2733355 Update pathkeys comparison function. 1999-02-20 18:01:02 +00:00
Bruce Momjian
148ec3b1d8 update pathkey description. 1999-02-20 16:32:35 +00:00
Bruce Momjian
9188aab758 add pathkeys description. 1999-02-20 16:28:20 +00:00
Bruce Momjian
67fd67f53a another rename of optimizer 1999-02-20 15:27:42 +00:00
Marc G. Fournier
bf6636baa6 From: Michael Meskes <Michael_Meskes@topmail.de> 
See Changes file...
 1999-02-20 07:01:08 +00:00
Tom Lane
3eb22085b5 OOPS ... Perl5 interface to PQsetdbLogin was actually 
calling PQsetdb ...
 1999-02-19 23:27:17 +00:00
Tom Lane
4c31393135 Reorder startup ops so that if preallocation of semas fails, 
postmaster will release whatever it did get before dying.
 1999-02-19 07:10:48 +00:00
Tom Lane
e77b630cf0 Allow maximum number of backends to be set at configure time 
(--with-maxbackends).  Add a postmaster switch (-N backends) that allows
the limit to be reduced at postmaster start time.  (You can't increase it,
sorry to say, because there are still some fixed-size arrays.)
Grab the number of semaphores indicated by min(MAXBACKENDS, -N) at
postmaster startup, so that this particular form of bogus configuration
is exposed immediately rather than under heavy load.
 1999-02-19 06:06:39 +00:00
Bruce Momjian
612b8434e4 optimizer cleanup 1999-02-19 05:18:06 +00:00
Bruce Momjian
8ab72a38df optimizer cleanup 1999-02-19 02:05:20 +00:00
Thomas G. Lockhart
61f40ac3f2 Fix parens typo reported by wmt@thi.com (Bill Tonkin). 1999-02-19 01:58:52 +00:00
Thomas G. Lockhart
1902e8d098 Fix SGML markup from last content changes. 1999-02-19 01:57:08 +00:00
Bruce Momjian
cd38f08598 rename optimizer file name 1999-02-18 19:58:53 +00:00
Bruce Momjian
b4e7510e09 Enable bushy and right-hand queries by default. 1999-02-18 06:01:11 +00:00
Bruce Momjian
65ccd1039a Enable bushy plans by default. 1999-02-18 05:26:34 +00:00
Bruce Momjian
e78662d879 optimizer cleanup 1999-02-18 04:55:54 +00:00
Bruce Momjian
d977ff7b52 more optimizer cleanups 1999-02-18 04:45:36 +00:00
Tom Lane
63393bdf90 Produce a more specific error message when backend sees EOF on 
client connection.
 1999-02-18 01:13:26 +00:00
Bruce Momjian
31cce21fb0 Fix bushy plans. Cleanup. 1999-02-18 00:49:48 +00:00
Bruce Momjian
c82ca4c158 Re-enable bushy plans. Vadim want them. 1999-02-16 00:41:03 +00:00
Bruce Momjian
cd550c7672 Update optimizer readme. 1999-02-15 22:19:01 +00:00
Tom Lane
390d5e9f14 regprocin should accept '-' signifying InvalidOid, for 
symmetry with regprocout.
 1999-02-15 16:29:32 +00:00
Bruce Momjian
e6bf7b4d93 rename 1999-02-15 05:56:07 +00:00
Bruce Momjian
56bb23a8fe optimizer rename 1999-02-15 05:50:02 +00:00
Bruce Momjian
50034a852d optimizer rename 1999-02-15 05:28:10 +00:00
Bruce Momjian
c5449d5354 otherrels is now unjoined_rels 1999-02-15 05:21:12 +00:00
Bruce Momjian
82682ff31f optimizer rename 1999-02-15 03:59:28 +00:00
Bruce Momjian
ba2883b264 Remove duplicate geqo functions, and more optimizer cleanup 1999-02-15 03:22:37 +00:00
Tom Lane
944d3c395e Replace non-idiomatic nconc(x, lcons(y, NIL)) with lappend(x, y). 1999-02-15 02:04:58 +00:00
Tom Lane
dec354ca97 Fix a number of places that made faulty assumptions about 
what is_opclause will accept.
 1999-02-15 01:06:59 +00:00
Tom Lane
5500039843 Fix optimizer coredump with unary-operator WHERE clauses. 
A test case is:
create table linetab (x line);
select * from linetab where ?| x;
which coredumps in 6.4.2 and current sources.
 1999-02-14 22:24:25 +00:00
Bruce Momjian
d8b482be7c optimizer cleanup. 1999-02-14 05:27:12 +00:00
Bruce Momjian
808a6df065 optimizer rename. 1999-02-14 05:14:15 +00:00
Bruce Momjian
61aa825876 Optimizer rename. 1999-02-14 04:57:02 +00:00
Bruce Momjian
6724a50787 Change my-function-name-- to my_function_name, and optimizer renames. 1999-02-13 23:22:53 +00:00
Thomas G. Lockhart
8c3fff7337 Fix offset of one for date_part(timespan) when given arguments of 
decade, century, or millenium.
 1999-02-13 05:34:24 +00:00
Thomas G. Lockhart
ba71b81966 Remove equivalence between datetime and float8. Led to nothin' but trouble. 1999-02-13 05:25:54 +00:00
Thomas G. Lockhart
a97683bc6c Change #if FALSE to #if NOT_USED to avoid port problems. 
Fix problem with date_part() for timespan (had an offset of one)
 when given decade, century, and millenium as arguments.
 Reported by Ricardo J.C.Coelho.
 1999-02-13 04:25:01 +00:00
Thomas G. Lockhart
910fe5891e Add routines to convert between int8 and text/varchar types. 
Change #if FALSE to #if NOT_USED to avoid port problems.
Fix up pg_indent weirdness with function argument declarations.
 1999-02-13 04:22:34 +00:00
Thomas G. Lockhart
02e85e7e5f Add routines to convert between int8 and text/varchar types. 
Fix output type for int8out, but I don't think it matters.
 1999-02-13 04:19:54 +00:00
Thomas G. Lockhart
7a724a0231 Include some Julian date declarations to share between various date/time 
modules. Used to be in dt.c I think.
 1999-02-13 04:15:33 +00:00
Thomas G. Lockhart
0925e5f5f9 Re-enable arch-dev.sgml now that it has new information from Stefan's 
Master's Thesis.
 1999-02-13 03:54:51 +00:00
Thomas G. Lockhart
e4000add1b Require complete tagging in emacs hints at bottom of file. 1999-02-13 03:54:00 +00:00
Thomas G. Lockhart
478e5beef1 Include chapter on SQL language elements (keywords, etc). 
Should merge with or complement Stefan's Master's Thesis intro to SQL.
 1999-02-13 03:52:46 +00:00
Thomas G. Lockhart
af2a0dfd65 Describe the date/time parsing rules. 
Include specific information on the supported time zones.
 It's a really big table, so maybe it should go into an appendix instead.
 1999-02-13 03:42:10 +00:00
Thomas G. Lockhart
0c30f18fbe Add Stefan Simkovics' Master's Thesis. 1999-02-13 03:38:46 +00:00
Thomas G. Lockhart
ba8808b2a6 Substitute great info from Stefan Simkovics' Master's Thesis. 
Still need to add some acknowledgements at the top of the doc;
 already have full info in the bibliography but since the original is
 being spread across the existing docs we should also mention things
 locally.
 1999-02-13 03:37:54 +00:00
Thomas G. Lockhart
dcded41895 Minor markup changes for the recent TEMP TABLE info. 
Docs should build now...
 1999-02-13 03:33:50 +00:00
Thomas G. Lockhart
b106421473 More complete info from Oliver Elphick. 1999-02-13 03:32:43 +00:00
Bruce Momjian
ad4b27ac3f Optimizer cleanup. 1999-02-12 17:25:05 +00:00