diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /storage/innobase/include/dict0boot.ic | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-upstream.tar.xz mariadb-10.5-upstream.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/innobase/include/dict0boot.ic')
-rw-r--r-- | storage/innobase/include/dict0boot.ic | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/storage/innobase/include/dict0boot.ic b/storage/innobase/include/dict0boot.ic new file mode 100644 index 00000000..d920bdde --- /dev/null +++ b/storage/innobase/include/dict0boot.ic @@ -0,0 +1,78 @@ +/***************************************************************************** + +Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved. +Copyright (c) 2020, MariaDB Corporation. + +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 +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +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., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0boot.ic +Data dictionary creation and booting + +Created 4/18/1996 Heikki Tuuri +*******************************************************/ + +/**********************************************************************//** +Returns a new row id. +@return the new id */ +UNIV_INLINE +row_id_t +dict_sys_get_new_row_id(void) +/*=========================*/ +{ + row_id_t id; + + mutex_enter(&dict_sys.mutex); + + id = dict_sys.row_id; + + if (0 == (id % DICT_HDR_ROW_ID_WRITE_MARGIN)) { + + dict_hdr_flush_row_id(); + } + + dict_sys.row_id++; + + mutex_exit(&dict_sys.mutex); + + return(id); +} + +/**********************************************************************//** +Writes a row id to a record or other 6-byte stored form. */ +UNIV_INLINE +void +dict_sys_write_row_id( +/*==================*/ + byte* field, /*!< in: record field */ + row_id_t row_id) /*!< in: row id */ +{ + compile_time_assert(DATA_ROW_ID_LEN == 6); + mach_write_to_6(field, row_id); +} + +/*********************************************************************//** +Check if a table id belongs to system table. +@return true if the table id belongs to a system table. */ +UNIV_INLINE +bool +dict_is_sys_table( +/*==============*/ + table_id_t id) /*!< in: table id to check */ +{ + return(id < DICT_HDR_FIRST_ID); +} + + |