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https://github.com/MariaDB/server.git
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87 lines
3.5 KiB
C
87 lines
3.5 KiB
C
/* Copyright (C) 2008 Sun AB & Michael Widenius
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
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/* Struct to store tables in use by one transaction */
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typedef struct st_maria_status_info
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{
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ha_rows records; /* Rows in table */
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ha_rows del; /* Removed rows */
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my_off_t empty; /* lost space in datafile */
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my_off_t key_empty; /* lost space in indexfile */
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my_off_t key_file_length;
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my_off_t data_file_length;
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ha_checksum checksum;
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uint32 changed:1, /* Set if table was changed */
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no_transid:1; /* Set if no transid was set on rows */
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} MARIA_STATUS_INFO;
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typedef struct st_used_tables {
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struct st_used_tables *next;
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struct st_maria_share *share;
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MARIA_STATUS_INFO state_current;
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MARIA_STATUS_INFO state_start;
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} MARIA_USED_TABLES;
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/* Struct to store commit state at different times */
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typedef struct st_state_history {
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struct st_state_history *next;
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TrID trid;
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MARIA_STATUS_INFO state;
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} MARIA_STATE_HISTORY;
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/* struct to remember history for closed tables */
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typedef struct st_state_history_closed {
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LSN create_rename_lsn;
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MARIA_STATE_HISTORY *state_history;
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} MARIA_STATE_HISTORY_CLOSED;
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my_bool _ma_setup_live_state(MARIA_HA *info);
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MARIA_STATE_HISTORY *_ma_remove_not_visible_states(MARIA_STATE_HISTORY
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*org_history,
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my_bool all,
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my_bool trman_is_locked);
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void _ma_reset_state(MARIA_HA *info);
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void _ma_get_status(void* param, my_bool concurrent_insert);
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void _ma_update_status(void* param);
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void _ma_update_status_with_lock(MARIA_HA *info);
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void _ma_restore_status(void *param);
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void _ma_copy_status(void* to, void *from);
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void _ma_reset_update_flag(void *param, my_bool concurrent_insert);
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my_bool _ma_start_trans(void* param);
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my_bool _ma_check_status(void *param);
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void _ma_block_get_status(void* param, my_bool concurrent_insert);
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void _ma_block_update_status(void *param);
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void _ma_block_restore_status(void *param);
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my_bool _ma_block_check_status(void *param);
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void maria_versioning(MARIA_HA *info, my_bool versioning);
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void _ma_set_share_data_file_length(struct st_maria_share *share,
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ulonglong new_length);
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void _ma_copy_nontrans_state_information(MARIA_HA *info);
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my_bool _ma_trnman_end_trans_hook(TRN *trn, my_bool commit,
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my_bool active_transactions);
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my_bool _ma_row_visible_always(MARIA_HA *info);
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my_bool _ma_row_visible_non_transactional_table(MARIA_HA *info);
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my_bool _ma_row_visible_transactional_table(MARIA_HA *info);
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void _ma_remove_not_visible_states_with_lock(struct st_maria_share *share,
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my_bool all);
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void _ma_remove_table_from_trnman(struct st_maria_share *share, TRN *trn);
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void _ma_reset_history(struct st_maria_share *share);
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