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Fix for BUG#12228: SP cache code:

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* Cleanup SP Cache code, now SP Cache only deletes sp_head objects in 
  sp_cache_flush_obsolete() invalidates all pointers to routines in the cache.
* Use new SP Cache use contract in the code.

There is no test case because it doesn't seem to be possible to cause thread races to end
the same way they end in heavy-load test. This patch removes the crash in heavy test.
This commit is contained in:
sergefp@mysql.com
2005-08-08 23:23:34 +00:00
parent 56b91a8c15
commit c6db76b076
9 changed files with 196 additions and 154 deletions
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3
sql/sql_parse.cc
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@ -5347,7 +5347,8 @@ void mysql_init_multi_delete(LEX *lex)
void mysql_parse(THD *thd, char *inBuf, uint length)
{
DBUG_ENTER("mysql_parse");
sp_cache_flush_obsolete(&thd->sp_proc_cache);
sp_cache_flush_obsolete(&thd->sp_func_cache);
mysql_init_query(thd, (uchar*) inBuf, length);
if (query_cache_send_result_to_client(thd, inBuf, length) <= 0)
{