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A fix and a test case for Bug#9359 "Prepared statements take snapshot

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of system vars at PREPARE time": implement a special Item
to handle system variables. This item substitutes itself with 
a basic constant containing variable value at fix_fields.
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konstantin@mysql.com
2005-07-16 03:29:13 +04:00
parent 0298bc347a
commit e08caeeee2
7 changed files with 112 additions and 51 deletions
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5
sql/set_var.h
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@ -30,11 +30,6 @@ class set_var;
typedef struct system_variables SV;
extern TYPELIB bool_typelib, delay_key_write_typelib, sql_mode_typelib;
enum enum_var_type
{
OPT_DEFAULT, OPT_SESSION, OPT_GLOBAL
};
typedef int (*sys_check_func)(THD *, set_var *);
typedef bool (*sys_update_func)(THD *, set_var *);
typedef void (*sys_after_update_func)(THD *,enum_var_type);