diff options
Diffstat (limited to 'sql/ha_federated.cc')
| -rw-r--r-- | sql/ha_federated.cc | 71 |
1 files changed, 44 insertions, 27 deletions
diff --git a/sql/ha_federated.cc b/sql/ha_federated.cc index 9a8b5eb794d..26a9ff47a2e 100644 --- a/sql/ha_federated.cc +++ b/sql/ha_federated.cc @@ -363,6 +363,33 @@ pthread_mutex_t federated_mutex; // This is the mutex we use to static int federated_init= FALSE; // Variable for checking the // init state of hash +/* Federated storage engine handlerton */ + +handlerton federated_hton= { + "FEDERATED", + SHOW_OPTION_YES, + "Federated MySQL storage engine", + DB_TYPE_FEDERATED_DB, + federated_db_init, + 0, /* slot */ + 0, /* savepoint size. */ + NULL, /* close_connection */ + NULL, /* savepoint */ + NULL, /* rollback to savepoint */ + NULL, /* release savepoint */ + NULL, /* commit */ + NULL, /* rollback */ + NULL, /* prepare */ + NULL, /* recover */ + NULL, /* commit_by_xid */ + NULL, /* rollback_by_xid */ + NULL, /* create_cursor_read_view */ + NULL, /* set_cursor_read_view */ + NULL, /* close_cursor_read_view */ + HTON_NO_FLAGS +}; + + /* Function we use in the creation of our hash to get key. */ static byte *federated_get_key(FEDERATED_SHARE *share, uint *length, @@ -386,10 +413,23 @@ static byte *federated_get_key(FEDERATED_SHARE *share, uint *length, bool federated_db_init() { - federated_init= 1; - VOID(pthread_mutex_init(&federated_mutex, MY_MUTEX_INIT_FAST)); - return (hash_init(&federated_open_tables, system_charset_info, 32, 0, 0, - (hash_get_key) federated_get_key, 0, 0)); + DBUG_ENTER("federated_db_init"); + if (pthread_mutex_init(&federated_mutex, MY_MUTEX_INIT_FAST)) + goto error; + if (hash_init(&federated_open_tables, system_charset_info, 32, 0, 0, + (hash_get_key) federated_get_key, 0, 0)) + { + VOID(pthread_mutex_destroy(&federated_mutex)); + } + else + { + federated_init= TRUE; + DBUG_RETURN(FALSE); + } +error: + have_federated_db= SHOW_OPTION_DISABLED; // If we couldn't use handler + federated_hton.state= SHOW_OPTION_DISABLED; + DBUG_RETURN(TRUE); } @@ -694,29 +734,6 @@ error: } -/* Federated storage engine handlerton */ - -handlerton federated_hton= { - "FEDERATED", - 0, /* slot */ - 0, /* savepoint size. */ - NULL, /* close_connection */ - NULL, /* savepoint */ - NULL, /* rollback to savepoint */ - NULL, /* release savepoint */ - NULL, /* commit */ - NULL, /* rollback */ - NULL, /* prepare */ - NULL, /* recover */ - NULL, /* commit_by_xid */ - NULL, /* rollback_by_xid */ - NULL, /* create_cursor_read_view */ - NULL, /* set_cursor_read_view */ - NULL, /* close_cursor_read_view */ - HTON_NO_FLAGS -}; - - /***************************************************************************** ** FEDERATED tables *****************************************************************************/ |