diff options
Diffstat (limited to 'storage/innobase/include/row0vers.h')
| -rw-r--r-- | storage/innobase/include/row0vers.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/storage/innobase/include/row0vers.h b/storage/innobase/include/row0vers.h index 5a2e38230d5..d9e3471b3dc 100644 --- a/storage/innobase/include/row0vers.h +++ b/storage/innobase/include/row0vers.h @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1997, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 1997, 2011, Oracle and/or its affiliates. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -11,8 +11,8 @@ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., 59 Temple -Place, Suite 330, Boston, MA 02111-1307 USA +this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA *****************************************************************************/ @@ -37,13 +37,15 @@ Created 2/6/1997 Heikki Tuuri /*****************************************************************//** Finds out if an active transaction has inserted or modified a secondary -index record. NOTE: the kernel mutex is temporarily released in this -function! -@return NULL if committed, else the active transaction */ +index record. +@return 0 if committed, else the active transaction id; +NOTE that this function can return false positives but never false +negatives. The caller must confirm all positive results by calling +trx_is_active() while holding lock_sys->mutex. */ UNIV_INTERN -trx_t* -row_vers_impl_x_locked_off_kernel( -/*==============================*/ +trx_id_t +row_vers_impl_x_locked( +/*===================*/ const rec_t* rec, /*!< in: record in a secondary index */ dict_index_t* index, /*!< in: the secondary index */ const ulint* offsets);/*!< in: rec_get_offsets(rec, index) */ |