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Fix for a bug record #307.

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Very nasty bug.
It was caused by double free()-ing memory of join->select and 
join->quick. 

I was able to pinpoint it only after using Valgrind.

Plus better fix for bug with TMP_TABLE_PARAM.

Plus new constructor for SELECT_LEX.
This commit is contained in:
Sinisa@sinisa.nasamreza.org
2003-04-21 21:03:32 +03:00
parent 8902b739e9
commit adb52cfc70
6 changed files with 64 additions and 16 deletions
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4
sql/sql_lex.h
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@ -396,6 +396,8 @@ public:
}
friend void mysql_init_query(THD *thd);
st_select_lex(struct st_lex *lex);
st_select_lex() {;}
void make_empty_select(st_select_lex *last_select)
{
select_number=INT_MAX;
@ -478,7 +480,7 @@ typedef struct st_lex
CHARSET_INFO *charset;
char *help_arg;
SQL_LIST *gorder_list;
st_lex() {;}
inline void uncacheable()
{
safe_to_cache_query= 0;