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108 commits

Author SHA1 Message Date
bell@sanja.is.com.ua
51374e569d fixed BUG#1180 (changing WHERE clause of prepared statements by optimisation) 2003-09-02 19:56:55 +03:00
vva@eagle.mysql.r18.ru
60fc3ae02b Merge 2003-08-27 21:26:00 -04:00
vva@eagle.mysql.r18.ru
cde2b50514 fixed bug #910 (right type of ifnull function) 2003-08-27 19:11:54 -04:00
bell@laptop.sanja.is.com.ua
dd9cbce47b merge 2003-08-19 20:14:35 +03:00
monty@mashka.mysql.fi
2263e3e51f Merge with 4.0.14 2003-08-11 22:44:43 +03:00
serg@serg.mylan
c0317ce66c make it clear for optimizer that XOR's are not optimizable at the moment (BUG#992) 2003-08-05 16:29:09 +02:00
bell@sanja.is.com.ua
695c71d1c1 Merge sanja.is.com.ua:/home/bell/mysql/bk/work-top3-4.1 
into sanja.is.com.ua:/home/bell/mysql/bk/work-simple_in-4.1
 2003-07-22 11:20:02 +03:00
bell@sanja.is.com.ua
af41a59af7 merge 2003-07-22 11:18:51 +03:00
bar@bar.mysql.r18.ru
e6cd54379e IN now aggregates all argument types for comparison 2003-07-18 14:03:54 +05:00
bar@bar.mysql.r18.ru
a2f7ef9c8b CASE now aggregates all argument types instead of using the only one argument 2003-07-17 22:58:05 +05:00
bell@sanja.is.com.ua
7e34954b5e new optimisation for ref_null (SCRUM) (WL#818) 2003-07-17 19:39:31 +03:00
bar@bar.mysql.r18.ru
8c06421c12 CASE stores first_expr and else_expr in args[] array now. 
This allowed to reuse a lot of code.
 2003-07-17 16:07:56 +05:00
bell@sanja.is.com.ua
a6b1a6fe3a merge 2003-07-16 13:58:11 +03:00
bar@bar.mysql.r18.ru
a35fff5bc3 Item_func_null doesn't have a separate Item for the first argument anymore. 
args[0] is used instead. This allowed to resuse a lot of code.
 2003-07-16 11:29:16 +05:00
bell@sanja.is.com.ua
7ad5331768 merge 2003-07-07 10:30:52 +03:00
bar@bar.mysql.r18.ru
07f94cb7cd Row comparison now does compare field collations, e.g. 
ROW('a','b','c) = ROW('A' collate latin1_bin,'b','c') returns 0
When a number is compared to a string, character sets and 
collations are not aggregated. e.g. this returned error in 4.1.0:

SELECT 1=_latin2'1';
because character sets was aggregated, and 1 was considered as
a string of latin1 charset during this aggregation.
 2003-07-03 17:00:01 +05:00
bell@sanja.is.com.ua
73fdf52fa2 merged 2003-07-03 11:59:57 +03:00
bar@bar.mysql.r18.ru
74b74ad5e7 There is no Item->binary() anymore. It was remain from 4.0. 2003-07-02 18:34:43 +05:00
bell@sanja.is.com.ua
2ae8a00b2a Item tree iterator 
fixed dependence of items from reduced subquery
(SCRUM)
 2003-07-02 13:12:18 +03:00
bell@sanja.is.com.ua
5eaaf8e732 after review changes (SCRUM) 
removed outer resolving flag (because of movingtransformation after fix_fields)
 2003-07-02 01:45:22 +03:00
bell@sanja.is.com.ua
100a101ab6 Merge 2003-06-30 13:14:18 +03:00
bar@bar.mysql.r18.ru
d31de69795 str0 IN (str1, str2, ...) now works according to collation rules 2003-06-27 13:52:38 +05:00
bar@bar.mysql.r18.ru
52a7f95678 BETWEEN now works according to collation rules 2003-06-27 12:02:08 +05:00
bar@bar.mysql.r18.ru
65335d37ff New messages for 3-adic and N-adic operations 
REPLACE() now processed arguments collations according to standard
 2003-06-26 15:45:04 +05:00
monty@mashka.mysql.fi
7655f05dc2 LEFT JOIN optimization: Change LEFT JOIN to normal join if possible 2003-06-26 05:38:19 +03:00
bell@sanja.is.com.ua
7b77c5a2d3 merged 2003-06-25 23:52:15 +03:00
bar@bar.mysql.r18.ru
cb4539e8de String comparison functions now use the same DTCollation with 
CONCAT() and other string functions. This allows to reuse a lot
if code and to simplify further development.
 2003-06-24 17:12:07 +05:00
bar@bar.mysql.r18.ru
7371150f2d New class DTCollation (SQL:2003 calls it "declared type collation") 
It's a combination of collation and its derivation (precedence order)
 2003-06-24 15:11:07 +05:00
bar@bar.mysql.r18.ru
3d08cfecd4 Some more functions work according to coercibility now: 
repeat, reverse, quote, soundex, substring
Test func_str has been extended to check them
 2003-06-10 14:54:03 +05:00
ram@mysql.r18.ru
a36d4212fc Moved spatial functions to the sql/item_geofunc.cc file. 2003-05-30 15:22:34 +05:00
bell@sanja.is.com.ua
1a064a43a7 Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1 
into sanja.is.com.ua:/home/bell/mysql/bk/work-top-4.1
 2003-05-26 09:28:56 +03:00
monty@mashka.mysql.fi
6aa8929cf3 After merge fixes 
Added initialization of all important global variables
 2003-05-21 21:39:58 +03:00
bell@sanja.is.com.ua
1915632163 subselect transformation moved in after-fix_field place 
removed "of is null" if it is possible
  (this cset should be SCRUM related, but not approved as scrum task yet)
 2003-05-14 21:51:33 +03:00
bell@sanja.is.com.ua
3beca2dbb1 fixed bug 185 (constant IN (SELECT field ...) do not return NULL correctly) 2003-04-23 00:01:19 +03:00
bar@bar.mysql.r18.ru
22cb247c74 Strings comparison is now done according to "Collating sequences used for 
comparison" table, "SQL Complete, Really", page 162
 2003-03-19 19:13:28 +04:00
bar@bar.mysql.r18.ru
4b5bfe990f sql_acl.cc, item.h: 
use of new argument
sql_analyse.h:
  macros from mysql_priv.h. Should be deleted soon.
mysql_priv.h:
  _default_charset_info has been removed
item_cmpfunc.h:
  Use cmp_charset
hostname.cc, hash_filo.h:
  Move charset to constructor argument
 2003-03-07 12:21:32 +04:00
bar@bar.mysql.r18.ru
f95eb82934 stringcmp() and sortcmp() have been unified 
into the only one sortcmp() with additional
CHARSET_INFO *cmp_charset argument.
 2003-03-04 18:01:59 +04:00
monty@mashka.mysql.fi
90bf074438 Merge with 4.0.11 tree to get latest bug fixes 2003-02-17 05:43:37 +02:00
monty@mashka.mysql.fi
6051b2f998 Fixed multi-table-delete for InnoDB tables 
Novell patches
 2003-02-17 02:14:37 +02:00
monty@mashka.mysql.fi
153cefc61b Merge mashka.mysql.fi:/home/my/mysql-3.23 
into mashka.mysql.fi:/home/my/mysql-4.0
 2003-02-17 01:07:29 +02:00
monty@mashka.mysql.fi
4c836e8d65 Fixed problem with ISNULL on fields that could not be null 2003-02-17 01:05:04 +02:00
monty@mashka.mysql.fi
e327393e9d Fixed a lot of wrong memory references as reported by valgrind 
Portability fixes
Added new client function: mysql_get_server_version()
New server help code (From Victor Vagin)
Fixed wrong usage of binary()
Disabled RTREE usage for now.
 2003-02-12 21:55:37 +02:00
monty@mashka.mysql.fi
25de9c19b2 After merge fixes & remove compiler warnings 
Added lengths for all MYSQL_FIELD string parameters
Changed field length to 2 byte in .frm files
 2003-02-07 15:47:24 +02:00
monty@mashka.mysql.fi
023d6dd39b Merge with 4.0.11 2003-02-04 21:52:14 +02:00
bell@sanja.is.com.ua
5ed5dac01b cyclic reference test removed, becouse testing of Item::fixed field apply more strict limitation 2003-01-30 14:35:07 +02:00
monty@mashka.mysql.fi
9e3fd09305 merge with 3.23.56 to get patches for --lower-case-table-names and 
proper handling of SUM() in some functions.
 2003-01-29 19:22:22 +02:00
bell@sanja.is.com.ua
c6beb583f6 fixed functions to be able work with group function as argument 
made bisone 1.75 compatible code
 2003-01-29 10:38:56 +02:00
bell@sanja.is.com.ua
d0d375c437 fixed memory leak in ROW code (SCRUM 577) 2003-01-28 22:28:11 +02:00
bell@sanja.is.com.ua
d39a2c0afc Merge 2003-01-28 15:34:59 +02:00
bell@sanja.is.com.ua
760e22f0bb after merge fix of 577 task (SCRUM, pre commit to be able to merge with static tables optimization fix) 
fixed derived tables with subselect inside
 2003-01-26 21:30:35 +02:00