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- 24 Mar, 2005 1 commit
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konstantin@mysql.com authored
and Bug#9159 "Server crash during mysql_stmt_close". The patch adds support for single-row result sets in cursors.
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- 19 Mar, 2005 1 commit
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jimw@mysql.com authored
Windows to call CreateFileMapping() with correct arguments, and propogating the introduction of query_id_t to everywhere query ids are passed around. (Bug #8826)
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- 16 Mar, 2005 1 commit
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igor@rurik.mysql.com authored
Added a test case for bug #8616. item.h: Fixed bug #8616. Added class Item_null_result used in rollup processing. sql_select.h, sql_select.cc: Fixed bug #8616. Added JOIN::rollup_write_data to cover rollup queries with DISTINCT. Modified other rollup methods.
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- 13 Mar, 2005 1 commit
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konstantin@mysql.com authored
implementation of AVG(DISTINCT) which utilizes the approach with Fields. The patch implemented in October is portede to the up-to-date tree containing DECIMAL type. Tests for AVG(DISTINCT) (although there is not much to test provided that SUM(DISTINCT) works), cleanups for COUNT(DISTINCT) and GROUP_CONCAT() will follow in another changeset.
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- 01 Mar, 2005 1 commit
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jani@ua141d10.elisa.omakaista.fi authored
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- 19 Dec, 2004 1 commit
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monty@mysql.com authored
Fixed some found bugs in BIT fields Added more test cases for BIT fields and varchar
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- 18 Dec, 2004 1 commit
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monty@mysql.com authored
Add support for VARCHAR with 1 or 2 length bytes Enable VARCHAR packing in MyISAM files (previous patch didn't pack data properly) Give error if we got problems in temporary tables during a SELECT Don't use new table generated by ALTER TABLE if index generation fails Fixed wrong call by range_end() (Could cause an ASSERT in debug mode)
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- 24 Nov, 2004 1 commit
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konstantin@mysql.com authored
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- 07 Nov, 2004 1 commit
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monty@mysql.com authored
Now thd->mem_root is a pointer to thd->main_mem_root and THR_MALLOC is a pointer to thd->mem_root. This gives us the following benefits: - Allow us to easily detect if arena has already been swapped before (this fixes a bug in setup_conds() where arena was swaped twice in some cases) - Faster swaps of arenas (as we don't have to copy the whole MEM_ROOT) - We don't anymore have to call my_pthread_setspecific_ptr(THR_MALLOC,...) to change where memory is alloced. Now it's enough to set thd->mem_root
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- 20 Oct, 2004 1 commit
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bell@sanja.is.com.ua authored
net_printf/send_error calls replaced by my_error family functions -1/1 (sent/unsent) error reporting removed (WL#2133)
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- 19 Oct, 2004 1 commit
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igor@rurik.mysql.com authored
Added the code processing on expressions for applying multiple equalities. sql_select.cc: Post-merge fixes for Item_equal patch. Added the code processing on expressions for applying multiple equalities. Many files: Post-merge fixes for Item_equal patch. item_cmpfunc.cc: Post-merge fixes for Item_equal patch. Fixed a problem when an equality field=const cannot be applied to the predicate P(field,c) for constant propagation as a conversion of field is needed. item.h, item.cc: Fixed a problem when an equality field=const cannot be applied to the predicate P(field,c) for constant propagation as a conversion of field is needed.
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- 17 Sep, 2004 1 commit
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monty@mishka.local authored
Removed wrong warnings in test suite (This was because select_insert / select_create results was not freed. Added thd to openfrm() for initialization of TABLE->in_use. This fixed a bug in BDB handling where table->in_use was used early
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- 10 Sep, 2004 1 commit
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timour@mysql.com authored
"Min/Max Optimization for Queries with Group By Clause"
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- 31 Aug, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 27 Aug, 2004 1 commit
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timour@mysql.com authored
- after-review changes - merged with the source tree from 204-08-27
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- 03 Aug, 2004 1 commit
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konstantin@mysql.com authored
- client side part is simple and may be considered stable - server side part now just joggles with THD state to save execution state and has no additional locking wisdom. Lot's of it are to be rewritten.
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- 11 Jun, 2004 1 commit
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igor@rurik.mysql.com authored
new file Many files: Nested joins added.
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- 12 May, 2004 1 commit
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sergefp@mysql.com authored
This is first cset for WL#1394 "Optimize index merge when all involved index ranges include only values with equal keys" The main idea is to exploit the fact that key scans for "key=const" return ordered sequences of rowids.
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- 11 May, 2004 1 commit
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timour@mysql.com authored
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- 07 May, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 04 May, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 16 Apr, 2004 1 commit
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timour@mysql.com authored
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- 17 Mar, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 10 Feb, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 01 Feb, 2004 1 commit
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bell@sanja.is.com.ua authored
fixed BUG#2120 and other problem with EXPLAINing derived tables
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- 31 Jan, 2004 1 commit
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ram@gw.mysql.r18.ru authored
null_ref_key moved to TABLE_REF. new null range created if necessary.
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- 28 Nov, 2003 1 commit
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monty@mysql.com authored
Fixed compiler warnings (a lot of hidden variables detected by the Forte compiler) Added a lot of 'version_xxx' strings to 'show variables' Prevent copying of TMP_TABLE_PARAM (This caused core dump bug on Solaris) Fixed problem with printing sub selects to debug log
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- 27 Nov, 2003 1 commit
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igor@rurik.mysql.com authored
The objects of this class represent multiple conjunctive equalities in where conditions: =(f1,f2,...fn) <=> f1=f2 and f2= ... and =fn. The objects are used to generate new possibale paths to access the tables when executing a query. They are also used to optimize the execution plan chosen by the optimizer for the query.
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- 23 Nov, 2003 1 commit
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bell@sanja.is.com.ua authored
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- 21 Nov, 2003 1 commit
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sergefp@mysql.com authored
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- 20 Nov, 2003 1 commit
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monty@mysql.com authored
Portability fixes After merge fixes
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- 18 Nov, 2003 1 commit
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sergefp@mysql.com authored
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- 13 Nov, 2003 1 commit
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psergey@psergey.(none) authored
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- 02 Nov, 2003 1 commit
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bell@sanja.is.com.ua authored
dependence should mean uncacheability
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- 31 Oct, 2003 1 commit
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ram@gw.mysql.r18.ru authored
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- 16 Oct, 2003 1 commit
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bell@sanja.is.com.ua authored
new EXPLAIN parameter to show real query as it was interpreted (SCRUM) (WL#1274)
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- 11 Oct, 2003 1 commit
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serg@serg.mylan authored
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- 10 Oct, 2003 1 commit
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bell@laptop.sanja.is.com.ua authored
saving/restoring join_tab array (to save it of chnging by create_sort_index() before reexecuting) (BUG#1523)
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- 14 Sep, 2003 1 commit
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bell@sanja.is.com.ua authored
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- 28 Aug, 2003 1 commit
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bell@laptop.sanja.is.com.ua authored
aggregate function reinitialization (if no rows was found) made with help of clear() (fixed BUG#860)
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