diff options
Diffstat (limited to 'sql/handler.cc')
| -rw-r--r-- | sql/handler.cc | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/sql/handler.cc b/sql/handler.cc index 86ecc290d7d..cccedc20f48 100644 --- a/sql/handler.cc +++ b/sql/handler.cc @@ -24,6 +24,7 @@ #endif #include "mysql_priv.h" +#include "rpl_handler.h" #include "rpl_filter.h" #include <myisampack.h> #include <errno.h> @@ -222,6 +223,8 @@ handlerton *ha_checktype(THD *thd, enum legacy_db_type database_type, return NULL; } + RUN_HOOK(transaction, after_rollback, (thd, FALSE)); + switch (database_type) { #ifndef NO_HASH case DB_TYPE_HASH: @@ -423,7 +426,13 @@ int ha_finalize_handlerton(st_plugin_int *plugin) reuse an array slot. Otherwise the number of uninstall/install cycles would be limited. */ - hton2plugin[hton->slot]= NULL; + if (hton->slot != HA_SLOT_UNDEF) + { + /* Make sure we are not unpluging another plugin */ + DBUG_ASSERT(hton2plugin[hton->slot] == plugin); + DBUG_ASSERT(hton->slot < MAX_HA); + hton2plugin[hton->slot]= NULL; + } my_free((uchar*)hton, MYF(0)); @@ -440,6 +449,15 @@ int ha_initialize_handlerton(st_plugin_int *plugin) hton= (handlerton *)my_malloc(sizeof(handlerton), MYF(MY_WME | MY_ZEROFILL)); + + if (hton == NULL) + { + sql_print_error("Unable to allocate memory for plugin '%s' handlerton.", + plugin->name.str); + goto err_no_hton_memory; + } + + hton->slot= HA_SLOT_UNDEF; /* Historical Requirement */ plugin->data= hton; // shortcut for the future if (plugin->plugin->init && plugin->plugin->init(hton)) @@ -550,6 +568,7 @@ err_deinit: err: my_free((uchar*) hton, MYF(0)); +err_no_hton_memory: plugin->data= NULL; DBUG_RETURN(1); } @@ -1200,6 +1219,7 @@ int ha_commit_trans(THD *thd, bool all) if (cookie) tc_log->unlog(cookie, xid); DBUG_EXECUTE_IF("crash_commit_after", abort();); + RUN_HOOK(transaction, after_commit, (thd, FALSE)); end: if (rw_trans) start_waiting_global_read_lock(thd); @@ -1347,6 +1367,7 @@ int ha_rollback_trans(THD *thd, bool all) push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARNING_NOT_COMPLETE_ROLLBACK, ER(ER_WARNING_NOT_COMPLETE_ROLLBACK)); + RUN_HOOK(transaction, after_rollback, (thd, FALSE)); DBUG_RETURN(error); } @@ -1381,7 +1402,14 @@ int ha_autocommit_or_rollback(THD *thd, int error) thd->variables.tx_isolation=thd->session_tx_isolation; } + else #endif + { + if (!error) + RUN_HOOK(transaction, after_commit, (thd, FALSE)); + else + RUN_HOOK(transaction, after_rollback, (thd, FALSE)); + } DBUG_RETURN(error); } |