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+/* Copyright (C) 2008 Sun AB & Michael Widenius
+
+ 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 */
+
+#ifndef MA_STATE_INCLUDED
+#define MA_STATE_INCLUDED
+C_MODE_START
+
+/* Struct to store tables in use by one transaction */
+
+typedef struct st_maria_status_info
+{
+ ha_rows records; /* Rows in table */
+ ha_rows del; /* Removed rows */
+ my_off_t empty; /* lost space in datafile */
+ my_off_t key_empty; /* lost space in indexfile */
+ my_off_t key_file_length;
+ my_off_t data_file_length;
+ ha_checksum checksum;
+ uint32 changed:1, /* Set if table was changed */
+ no_transid:1; /* Set if no transid was set on rows */
+} MARIA_STATUS_INFO;
+
+
+typedef struct st_used_tables {
+ struct st_used_tables *next;
+ struct st_maria_share *share;
+ MARIA_STATUS_INFO state_current;
+ MARIA_STATUS_INFO state_start;
+ uint use_count;
+} MARIA_USED_TABLES;
+
+
+/* Struct to store commit state at different times */
+
+typedef struct st_state_history {
+ struct st_state_history *next;
+ TrID trid;
+ MARIA_STATUS_INFO state;
+} MARIA_STATE_HISTORY;
+
+
+/* struct to remember history for closed tables */
+
+typedef struct st_state_history_closed {
+ LSN create_rename_lsn;
+ MARIA_STATE_HISTORY *state_history;
+} MARIA_STATE_HISTORY_CLOSED;
+
+
+my_bool _ma_setup_live_state(MARIA_HA *info);
+MARIA_STATE_HISTORY *_ma_remove_not_visible_states(MARIA_STATE_HISTORY
+ *org_history,
+ my_bool all,
+ my_bool trman_is_locked);
+void _ma_reset_state(MARIA_HA *info);
+my_bool _ma_get_status(void* param, my_bool concurrent_insert);
+void _ma_update_status(void* param);
+void _ma_update_status_with_lock(MARIA_HA *info);
+void _ma_restore_status(void *param);
+void _ma_copy_status(void* to, void *from);
+my_bool _ma_reset_update_flag(void *param, my_bool concurrent_insert);
+my_bool _ma_start_trans(void* param);
+my_bool _ma_check_status(void *param);
+void maria_versioning(MARIA_HA *info, my_bool versioning);
+void _ma_set_share_data_file_length(struct st_maria_share *share,
+ ulonglong new_length);
+void _ma_copy_nontrans_state_information(MARIA_HA *info);
+my_bool _ma_trnman_end_trans_hook(TRN *trn, my_bool commit,
+ my_bool active_transactions);
+my_bool _ma_row_visible_always(MARIA_HA *info);
+my_bool _ma_row_visible_non_transactional_table(MARIA_HA *info);
+my_bool _ma_row_visible_transactional_table(MARIA_HA *info);
+void _ma_remove_not_visible_states_with_lock(struct st_maria_share *share,
+ my_bool all);
+void _ma_remove_table_from_trnman(MARIA_HA *info);
+void _ma_reset_history(struct st_maria_share *share);
+
+C_MODE_END
+#endif