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- 04 May, 2005 1 commit
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msvensson@neptunus.(none) authored
- Introduce ifdefs so we can control when to use #pragma interface on cygwin
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- 30 Mar, 2005 1 commit
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msvensson@neptunus.(none) authored
- Add function Item_param::fix_fields which will update any subselect they are part of and indicate that the subsleect is not const during prepare phase, and thus should not be executed during prepare.
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- 10 Mar, 2005 1 commit
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bell@sanja.is.com.ua authored
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- 07 Dec, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 18 Nov, 2004 1 commit
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bell@sanja.is.com.ua authored
fixed null processing in NOT operation used in ALL subquery (Bug #6247)
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- 27 Oct, 2004 1 commit
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bell@sanja.is.com.ua authored
improved mechanisn of detection posibility to be NULL for single row queries switched off substitution optimisation for single row subqueries in PS due to problem in resolving substituted expressions (changes to make subselects test working with PS protocol)
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- 20 Aug, 2004 1 commit
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konstantin@mysql.com authored
a second time". The bug was caused by incompatibility of negations elimination algorithm and PS: during first statement execute a subtree with negation was replaced with equivalent subtree without NOTs. The problem was that although this transformation was permanent, items of the new subtree were created in execute-local memory. The patch adds means to check if it is the first execute of a prepared statement, and if this is the case, to allocate items in memory of the prepared statement. The implementation: - backports Item_arena from 5.0 - adds Item_arena::is_stmt_prepare(), Item_arena::is_first_stmt_execute(). - deletes THD::allocate_temporary_pool_for_ps_preparing(), THD::free_temporary_pool_for_ps_preparing(); they were redundant. and adds a few invariants: - thd->free_list never contains junk (= freed items) - thd->current_arena is never null. If there is no prepared statement, it points at the thd. The rest of the patch contains mainly mechanical changes and cleanups.
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- 13 Aug, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 04 Jul, 2004 1 commit
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bell@sanja.is.com.ua authored
restoring current senect pointer before PS rexecution (backport from 5.0) removed spaces at lines ends
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- 07 May, 2004 1 commit
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bell@sanja.is.com.ua authored
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- 06 May, 2004 1 commit
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pem@mysql.comhem.se authored
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- 08 Feb, 2004 1 commit
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bell@sanja.is.com.ua authored
fixed UNION preparation
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- 30 Dec, 2003 1 commit
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hf@deer.(none) authored
Here i added Item_*::cleanup() functions, removed a lot of ~Item_*'s, added code to restore order_list and group_list
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- 06 Dec, 2003 1 commit
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hf@deer.(none) authored
This bug happens when a query, having subselects in the fields list, needs temporary table. Item_subselect::get_tmp_table_item isn't implemented and just returns *this. So the tmp_table_item takes value not from temporary but from original table.
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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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- 17 Nov, 2003 1 commit
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bell@sanja.is.com.ua authored
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- 03 Nov, 2003 1 commit
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bell@sanja.is.com.ua authored
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- 02 Nov, 2003 1 commit
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bell@sanja.is.com.ua authored
all calls of fix_fields() are inspected (copy of cset which I lost in accidatly tree delete)
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- 26 Oct, 2003 1 commit
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bell@sanja.is.com.ua authored
code cleanup
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- 16 Oct, 2003 2 commits
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bell@sanja.is.com.ua authored
(BUG#1444)
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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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- 07 Oct, 2003 2 commits
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bell@laptop.sanja.is.com.ua authored
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bell@laptop.sanja.is.com.ua authored
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- 02 Oct, 2003 1 commit
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bell@laptop.sanja.is.com.ua authored
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- 29 Sep, 2003 1 commit
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monty@narttu.mysql.fi authored
Code review/cleanup of sub subselect_uniquesubquery_engine
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- 20 Sep, 2003 1 commit
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bell@laptop.sanja.is.com.ua authored
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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
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- 23 Aug, 2003 1 commit
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bell@laptop.sanja.is.com.ua authored
fixed bug in Item_sum fixed bug in dependence remover after merge fix
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- 15 Aug, 2003 1 commit
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bell@laptop.sanja.is.com.ua authored
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- 12 Aug, 2003 1 commit
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bell@sanja.is.com.ua authored
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- 07 Aug, 2003 1 commit
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bell@sanja.is.com.ua authored
fixed number of rows of external field reported to optimizer added check of choosen key (checked left expression tag) (SCRUM fix for simple IN optimisation)
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- 24 Jul, 2003 1 commit
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bell@sanja.is.com.ua authored
independent ALL/ANY subselect on top of WHERE clause (subselect without GROUP BY or aggregate functions) optimisation (SCRUM) (WL#1086)
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- 17 Jul, 2003 1 commit
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bell@sanja.is.com.ua authored
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- 07 Jul, 2003 2 commits
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bell@sanja.is.com.ua authored
(SCRUM) (part of WL#818)
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bell@sanja.is.com.ua authored
(SCRUM) (part of WL#818)
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- 01 Jul, 2003 1 commit
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bell@sanja.is.com.ua authored
removed outer resolving flag (because of movingtransformation after fix_fields)
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- 28 May, 2003 1 commit
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bell@sanja.is.com.ua authored
(bug #518 fixed)
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- 14 May, 2003 1 commit
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bell@sanja.is.com.ua authored
removed "of is null" if it is possible (this cset should be SCRUM related, but not approved as scrum task yet)
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- 22 Apr, 2003 1 commit
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bell@sanja.is.com.ua authored
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