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Fix for bug#11775 Variable character_set_system does not exist (sometimes).

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Variable character_set_system is selectable now
  More accurate error message results during 
  update of character_set_system and some other read only variables


mysql-test/r/variables.result:
  Fix for bug#11775 Variable character_set_system does not exist (sometimes).
    test case
mysql-test/t/variables.test:
  Fix for bug#11775 Variable character_set_system does not exist (sometimes).
    test case
This commit is contained in:
unknown 2005-09-07 15:38:09 +05:00
parent 44b35dbb0e
commit a777907a51
4 changed files with 21 additions and 27 deletions
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7
mysql-test/r/variables.result
View file

@ -545,3 +545,10 @@ select @@max_heap_table_size > 0;
select @@have_innodb;
@@have_innodb
#
select @@character_set_system;
@@character_set_system
utf8
set global character_set_system = latin1;
ERROR HY000: Variable 'character_set_system' is a read only variable
set @@global.version_compile_os='234';
ERROR HY000: Variable 'version_compile_os' is a read only variable

9
mysql-test/t/variables.test
View file

@ -435,3 +435,12 @@ select @@max_heap_table_size > 0;
--replace_column 1 #
select @@have_innodb;
#
# Bug #11775 Variable character_set_system does not exist (sometimes)
#
select @@character_set_system;
--error 1238
set global character_set_system = latin1;
--error 1238
set @@global.version_compile_os='234';

29
sql/set_var.cc
View file

@ -142,11 +142,8 @@ sys_var_long_ptr sys_binlog_cache_size("binlog_cache_size",
sys_var_thd_ulong sys_bulk_insert_buff_size("bulk_insert_buffer_size",
&SV::bulk_insert_buff_size);
sys_var_character_set_server sys_character_set_server("character_set_server");
sys_var_str sys_charset_system("character_set_system",
sys_check_charset,
sys_update_charset,
sys_set_default_charset,
(char *)my_charset_utf8_general_ci.name);
sys_var_const_str sys_charset_system("character_set_system",
(char *)my_charset_utf8_general_ci.name);
sys_var_character_set_database sys_character_set_database("character_set_database");
sys_var_character_set_client sys_character_set_client("character_set_client");
sys_var_character_set_connection sys_character_set_connection("character_set_connection");
@ -569,6 +566,7 @@ sys_var *sys_variables[]=
&sys_character_set_client,
&sys_character_set_connection,
&sys_character_set_results,
&sys_charset_system,
&sys_collation_connection,
&sys_collation_database,
&sys_collation_server,
@ -1117,27 +1115,6 @@ static void sys_default_ftb_syntax(THD *thd, enum_var_type type)
sizeof(ft_boolean_syntax)-1);
}
/*
The following 3 functions need to be changed in 4.1 when we allow
one to change character sets
*/
static int sys_check_charset(THD *thd, set_var *var)
{
return 0;
}
static bool sys_update_charset(THD *thd, set_var *var)
{
return 0;
}
static void sys_set_default_charset(THD *thd, enum_var_type type)
{
}
/*
If one sets the LOW_PRIORIY UPDATES flag, we also must change the

3
sql/set_var.h
View file

@ -190,6 +190,7 @@ public:
return 1;
}
bool check_default(enum_var_type type) { return 1; }
bool is_readonly() const { return 1; }
};
@ -900,7 +901,7 @@ int sql_set_variables(THD *thd, List<set_var_base> *var_list);
bool not_all_support_one_shot(List<set_var_base> *var_list);
void fix_delay_key_write(THD *thd, enum_var_type type);
ulong fix_sql_mode(ulong sql_mode);
extern sys_var_str sys_charset_system;
extern sys_var_const_str sys_charset_system;
extern sys_var_str sys_init_connect;
extern sys_var_str sys_init_slave;
extern sys_var_thd_time_zone sys_time_zone;