diff options
Diffstat (limited to 'storage/innobase/handler/ha_innodb.cc')
| -rw-r--r-- | storage/innobase/handler/ha_innodb.cc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 49f51c78f73..26e169b1ec3 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -13452,6 +13452,37 @@ int ha_innobase::truncate() update_thd(); + if (srv_57_truncate) { + if (!trx_is_started(m_prebuilt->trx)) { + ++m_prebuilt->trx->will_lock; + } + + dberr_t err = row_truncate_table_for_mysql( + m_prebuilt->table, m_prebuilt->trx); + + int error; + + switch (err) { + case DB_TABLESPACE_DELETED: + case DB_TABLESPACE_NOT_FOUND: + ib_senderrf( + m_prebuilt->trx->mysql_thd, IB_LOG_LEVEL_ERROR, + err == DB_TABLESPACE_DELETED + ? ER_TABLESPACE_DISCARDED + : ER_TABLESPACE_MISSING, + table->s->table_name.str); + error = HA_ERR_TABLESPACE_MISSING; + break; + default: + error = convert_error_code_to_mysql( + err, m_prebuilt->table->flags, + m_prebuilt->trx->mysql_thd); + break; + } + table->status = STATUS_NOT_FOUND; + DBUG_RETURN(error); + } + HA_CREATE_INFO info; mem_heap_t* heap = mem_heap_create(1000); dict_table_t* ib_table = m_prebuilt->table; @@ -20663,6 +20694,11 @@ static MYSQL_SYSVAR_BOOL(read_only, srv_read_only_mode, "Start InnoDB in read only mode (off by default)", NULL, NULL, FALSE); +static MYSQL_SYSVAR_BOOL(unsafe_truncate, srv_57_truncate, + PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY, + "Use backup-unsafe TRUNCATE TABLE for compatibility with xtrabackup (on by default)", + NULL, NULL, TRUE); + static MYSQL_SYSVAR_BOOL(cmp_per_index_enabled, srv_cmp_per_index_enabled, PLUGIN_VAR_OPCMDARG, "Enable INFORMATION_SCHEMA.innodb_cmp_per_index," @@ -21042,6 +21078,7 @@ static struct st_mysql_sys_var* innobase_system_variables[]= { MYSQL_SYSVAR(random_read_ahead), MYSQL_SYSVAR(read_ahead_threshold), MYSQL_SYSVAR(read_only), + MYSQL_SYSVAR(unsafe_truncate), MYSQL_SYSVAR(io_capacity), MYSQL_SYSVAR(io_capacity_max), MYSQL_SYSVAR(page_cleaners), |