diff options
Diffstat (limited to 'sql/handler.h')
-rw-r--r-- | sql/handler.h | 31 |
1 files changed, 4 insertions, 27 deletions
diff --git a/sql/handler.h b/sql/handler.h index afee6bb9f8d..83143d9729d 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -177,6 +177,7 @@ so: innodb + bdb + ndb + binlog + myisam + myisammrg + archive + example + csv + heap + blackhole + federated + 0 (yes, the sum is deliberately inaccurate) + TODO remove the limit, use dynarrays */ #define MAX_HA 15 @@ -460,6 +461,7 @@ typedef bool (stat_print_fn)(THD *thd, const char *type, uint type_len, const char *file, uint file_len, const char *status, uint status_len); enum ha_stat_type { HA_ENGINE_STATUS, HA_ENGINE_LOGS, HA_ENGINE_MUTEX }; +extern st_mysql_plugin *hton2plugin[MAX_HA]; /* handlerton is a singleton structure - one instance per storage engine - @@ -475,38 +477,15 @@ enum ha_stat_type { HA_ENGINE_STATUS, HA_ENGINE_LOGS, HA_ENGINE_MUTEX }; struct handlerton { /* - handlerton structure version - */ - const int interface_version; -/* last version change: 0x0001 in 5.1.6 */ -#define MYSQL_HANDLERTON_INTERFACE_VERSION 0x0001 - - - /* - storage engine name as it should be printed to a user - */ - const char *name; - - /* - Historical marker for if the engine is available of not + Historical marker for if the engine is available of not */ SHOW_COMP_OPTION state; /* - A comment used by SHOW to describe an engine. - */ - const char *comment; - - /* Historical number used for frm file to determine the correct storage engine. This is going away and new engines will just use "name" for this. */ enum legacy_db_type db_type; - /* - Method that initizlizes a storage engine - */ - bool (*init)(); - /* each storage engine has it's own memory area (actually a pointer) in the thd, for storing per-connection information. @@ -587,8 +566,6 @@ struct handlerton int (*release_temporary_latches)(THD *thd); }; -extern const handlerton default_hton; - struct show_table_alias_st { const char *alias; enum legacy_db_type type; @@ -1552,7 +1529,7 @@ static inline enum legacy_db_type ha_legacy_type(const handlerton *db_type) static inline const char *ha_resolve_storage_engine_name(const handlerton *db_type) { - return db_type == NULL ? "UNKNOWN" : db_type->name; + return db_type == NULL ? "UNKNOWN" : hton2plugin[db_type->slot]->name; } static inline bool ha_check_storage_engine_flag(const handlerton *db_type, uint32 flag) |