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Check that the default storage engine is really available, and

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refuse to start up if it is not. (Bug #9815)


sql/handler.cc:
  Add ha_storage_engine_is_enabled function.
sql/handler.h:
  Declare ha_storage_engine_is_enabled()
sql/mysqld.cc:
  Abort startup if the specified default storage engine is
  not available.
This commit is contained in:
unknown
2005-04-13 18:25:31 -07:00
parent a40ecb4818
commit e687d6beae
3 changed files with 27 additions and 0 deletions
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14
sql/handler.cc
View File

@ -145,6 +145,20 @@ const char *ha_get_storage_engine(enum db_type db_type)
return "none";
}
my_bool ha_storage_engine_is_enabled(enum db_type database_type)
{
show_table_type_st *types;
for (types= sys_table_types; types->type; types++)
{
if ((database_type == types->db_type) &&
(*types->value == SHOW_OPTION_YES))
return TRUE;
}
return FALSE;
}
/* Use other database handler if databasehandler is not incompiled */
enum db_type ha_checktype(enum db_type database_type)

1
sql/handler.h
View File

@ -542,6 +542,7 @@ int ha_init(void);
int ha_panic(enum ha_panic_function flag);
void ha_close_connection(THD* thd);
enum db_type ha_checktype(enum db_type database_type);
my_bool ha_storage_engine_is_enabled(enum db_type database_type);
int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
bool update_create_info);
int ha_create_table_from_engine(THD* thd, const char *db, const char *name,

12
sql/mysqld.cc
View File

@ -6435,6 +6435,18 @@ static void get_options(int argc,char **argv)
sql_print_warning("this binary does not contain BDB storage engine");
#endif
/*
Check that the default storage engine is actually available.
*/
if (!ha_storage_engine_is_enabled((enum db_type)
global_system_variables.table_type))
{
sql_print_error("Default storage engine (%s) is not available",
ha_get_storage_engine((enum db_type)
global_system_variables.table_type));
exit(1);
}
if (argc > 0)
{
fprintf(stderr, "%s: Too many arguments (first extra is '%s').\nUse --help to get a list of available options\n", my_progname, *argv);