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authorunknown <lars@mysql.com>2005-12-22 06:39:02 +0100
committerunknown <lars@mysql.com>2005-12-22 06:39:02 +0100
commit09346e6e2de57fadc94f70beb29eabe5186dbe62 (patch)
tree192a6c65973c50f6a436a8c6e6bb19efa2ed2419 /sql/rpl_rli.h
parent65c560e9b836953bba66307268430f0faf50ca3c (diff)
downloadmariadb-git-09346e6e2de57fadc94f70beb29eabe5186dbe62.tar.gz
WL#1012: All changes as one single changeset.
This includes both code and test cases. BitKeeper/deleted/.del-ctype_ucs_binlog.result~280d136b1a0bcf17: Delete: mysql-test/r/ctype_ucs_binlog.result BitKeeper/deleted/.del-rpl_delete_all.result~7c050d592614b3f: Delete: mysql-test/r/rpl_delete_all.result BitKeeper/deleted/.del-rpl000013-slave.opt~18266ad8a2403e8d: Delete: mysql-test/t/rpl000013-slave.opt BitKeeper/deleted/.del-rpl_delete_all.test~700a1490277780e0: Delete: mysql-test/t/rpl_delete_all.test mysql-test/extra/binlog_tests/binlog.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/blackhole.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/ctype_cp932.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/ctype_cp932_binlog.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/ctype_ucs_binlog.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/drop_temp_table.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/insert_select-binlog.test: Import patch wl1012.patch mysql-test/extra/binlog_tests/mix_innodb_myisam_binlog.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_ddl.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_deadlock.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_err_ignoredtable.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_flsh_tbls.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_loaddata_m.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_log.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_max_relay_size.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_multi_query.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_reset_slave.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_stm_000001.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_stm_EE_err.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_stm_charset.test: Import patch wl1012.patch mysql-test/extra/rpl_tests/rpl_user_variables.test: Import patch wl1012.patch mysql-test/r/binlog_stm_binlog.result: Import patch wl1012.patch mysql-test/r/binlog_stm_blackhole.result: Import patch wl1012.patch mysql-test/r/binlog_stm_ctype_cp932.result: Import patch wl1012.patch mysql-test/r/binlog_stm_ctype_ucs.result: Import patch wl1012.patch mysql-test/r/binlog_stm_drop_tmp_tbl.result: Import patch wl1012.patch mysql-test/r/binlog_stm_insert_select.result: Import patch wl1012.patch mysql-test/r/binlog_stm_mix_innodb_myisam.result: Import patch wl1012.patch mysql-test/r/rpl_000012.result: Import patch wl1012.patch mysql-test/r/rpl_000015.result: Import patch wl1012.patch mysql-test/r/rpl_deadlock_innodb.result: Import patch wl1012.patch mysql-test/r/rpl_flushlog_loop.result: Import patch wl1012.patch mysql-test/r/rpl_loaddata_s.result: Import patch wl1012.patch mysql-test/r/rpl_stm_000001.result: Import patch wl1012.patch mysql-test/r/rpl_stm_EE_err.result: Import patch wl1012.patch mysql-test/r/rpl_stm_charset.result: Import patch wl1012.patch mysql-test/r/rpl_stm_ddl.result: Import patch wl1012.patch mysql-test/r/rpl_stm_err_ignoredtable.result: Import patch wl1012.patch mysql-test/r/rpl_stm_flsh_tbls.result: Import patch wl1012.patch mysql-test/r/rpl_stm_loaddata_m.result: Import patch wl1012.patch mysql-test/r/rpl_stm_log.result: Import patch wl1012.patch mysql-test/r/rpl_stm_max_relay_size.result: Import patch wl1012.patch mysql-test/r/rpl_stm_multi_query.result: Import patch wl1012.patch mysql-test/r/rpl_stm_mystery22.result: Import patch wl1012.patch mysql-test/r/rpl_stm_reset_slave.result: Import patch wl1012.patch mysql-test/r/rpl_stm_rewrt_db.result: Import patch wl1012.patch mysql-test/r/rpl_stm_sp.result: Import patch wl1012.patch mysql-test/r/rpl_stm_timezone.result: Import patch wl1012.patch mysql-test/r/rpl_stm_until.result: Import patch wl1012.patch mysql-test/r/rpl_stm_user_variables.result: Import patch wl1012.patch mysql-test/r/rpl_stm_view.result: Import patch wl1012.patch mysql-test/t/binlog_row_binlog-master.opt: Import patch wl1012.patch mysql-test/t/rpl_000012.test: Import patch wl1012.patch mysql-test/t/rpl_000015-slave.sh: Import patch wl1012.patch mysql-test/t/rpl_000015.slave-mi: Import patch wl1012.patch mysql-test/t/rpl_000015.test: Import patch wl1012.patch mysql-test/t/rpl_deadlock_innodb-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_flushlog_loop-master.opt: Import patch wl1012.patch mysql-test/t/rpl_flushlog_loop-master.sh: Import patch wl1012.patch mysql-test/t/rpl_flushlog_loop-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_flushlog_loop-slave.sh: Import patch wl1012.patch mysql-test/t/rpl_flushlog_loop.test: Import patch wl1012.patch mysql-test/t/rpl_loaddata_s-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_loaddata_s.test: Import patch wl1012.patch mysql-test/t/rpl_stm_000001-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_err_ignoredtable-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_loaddata_m-master.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_log-master.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_log-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_mystery22.test: Import patch wl1012.patch mysql-test/t/rpl_stm_rewrt_db-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_rewrt_db.test: Import patch wl1012.patch mysql-test/t/rpl_stm_sp-master.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_sp-slave.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_sp.test: Import patch wl1012.patch mysql-test/t/rpl_stm_timezone-master.opt: Import patch wl1012.patch mysql-test/t/rpl_stm_timezone-slave.opt: Import patch wl1012.patch BUILD/SETUP.sh: Import patch wl1012.patch Makefile.am: Import patch wl1012.patch mysql-test/t/rpl_stm_timezone.test: Import patch wl1012.patch mysql-test/t/rpl_stm_until.test: Import patch wl1012.patch mysql-test/t/rpl_stm_view.test: Import patch wl1012.patch client/Makefile.am: Import patch wl1012.patch client/client_priv.h: Import patch wl1012.patch client/mysqlbinlog.cc: Import patch wl1012.patch configure.in: Import patch wl1012.patch include/Makefile.am: Import patch wl1012.patch include/base64.h: Import patch wl1012.patch include/config-win.h: Import patch wl1012.patch include/my_base.h: Import patch wl1012.patch include/my_global.h: Import patch wl1012.patch mysql-test/Makefile.am: Import patch wl1012.patch mysql-test/mysql-test-run.pl: Import patch wl1012.patch mysql-test/mysql-test-run.sh: Import patch wl1012.patch mysql-test/r/date_formats.result: Import patch wl1012.patch mysql-test/r/flush_block_commit.result: Import patch wl1012.patch mysql-test/r/innodb.result: Import patch wl1012.patch mysql-test/r/rpl000017.result: Import patch wl1012.patch mysql-test/r/rpl_change_master.result: Import patch wl1012.patch mysql-test/r/rpl_commit_after_flush.result: Import patch wl1012.patch mysql-test/r/rpl_create_database.result: Import patch wl1012.patch mysql-test/r/rpl_do_grant.result: Import patch wl1012.patch mysql-test/r/rpl_loaddata.result: Import patch wl1012.patch mysql-test/r/rpl_log_pos.result: Import patch wl1012.patch mysql-test/r/rpl_multi_delete.result: Import patch wl1012.patch mysql-test/r/rpl_multi_update.result: Import patch wl1012.patch mysql-test/r/rpl_openssl.result: Import patch wl1012.patch mysql-test/r/rpl_replicate_do.result: Import patch wl1012.patch mysql-test/r/rpl_rotate_logs.result: Import patch wl1012.patch mysql-test/r/rpl_server_id1.result: Import patch wl1012.patch mysql-test/r/rpl_server_id2.result: Import patch wl1012.patch mysql-test/r/rpl_temporary.result: Import patch wl1012.patch mysql-test/r/user_var-binlog.result: Import patch wl1012.patch mysql-test/t/create_select_tmp.test: Import patch wl1012.patch mysql-test/t/date_formats.test: Import patch wl1012.patch mysql-test/t/disabled.def: Import patch wl1012.patch mysql-test/t/innodb.test: Import patch wl1012.patch mysql-test/t/mysqlbinlog.test: Import patch wl1012.patch mysql-test/t/mysqlbinlog2.test: Import patch wl1012.patch mysql-test/t/rpl000002.test: Import patch wl1012.patch mysql-test/t/rpl000006.test: Import patch wl1012.patch mysql-test/t/rpl000013.test: Import patch wl1012.patch mysql-test/t/rpl000017.test: Import patch wl1012.patch mysql-test/t/rpl_auto_increment.test: Import patch wl1012.patch mysql-test/t/rpl_change_master.test: Import patch wl1012.patch mysql-test/t/rpl_commit_after_flush.test: Import patch wl1012.patch mysql-test/t/rpl_create_database.test: Import patch wl1012.patch mysql-test/t/rpl_do_grant.test: Import patch wl1012.patch mysql-test/t/rpl_drop.test: Import patch wl1012.patch mysql-test/t/rpl_empty_master_crash.test: Import patch wl1012.patch mysql-test/t/rpl_failed_optimize.test: Import patch wl1012.patch mysql-test/t/rpl_heap.test: Import patch wl1012.patch mysql-test/t/rpl_insert_id.test: Import patch wl1012.patch mysql-test/t/rpl_insert_ignore.test: Import patch wl1012.patch mysql-test/t/rpl_loaddata.test: Import patch wl1012.patch mysql-test/t/rpl_log_pos.test: Import patch wl1012.patch mysql-test/t/rpl_multi_delete.test: Import patch wl1012.patch mysql-test/t/rpl_multi_update.test: Import patch wl1012.patch mysql-test/t/rpl_multi_update2.test: Import patch wl1012.patch mysql-test/t/rpl_multi_update3.test: Import patch wl1012.patch mysql-test/t/rpl_openssl.test: Import patch wl1012.patch mysql-test/t/rpl_redirect.test: Import patch wl1012.patch mysql-test/t/rpl_relayrotate.test: Import patch wl1012.patch mysql-test/t/rpl_replicate_do.test: Import patch wl1012.patch mysql-test/t/rpl_rotate_logs.test: Import patch wl1012.patch mysql-test/t/rpl_server_id1.test: Import patch wl1012.patch mysql-test/t/rpl_sp_effects.test: Import patch wl1012.patch mysql-test/t/rpl_temporary.test: Import patch wl1012.patch mysql-test/t/rpl_trigger.test: Import patch wl1012.patch mysql-test/t/sp.test: Import patch wl1012.patch mysql-test/t/user_var-binlog.test: Import patch wl1012.patch mysys/Makefile.am: Import patch wl1012.patch mysys/base64.c: Import patch wl1012.patch sql/Makefile.am: Import patch wl1012.patch sql/ha_innodb.cc: Import patch wl1012.patch sql/ha_innodb.h: Import patch wl1012.patch sql/ha_partition.cc: Import patch wl1012.patch sql/handler.cc: Import patch wl1012.patch sql/handler.h: Import patch wl1012.patch sql/item_sum.cc: Import patch wl1012.patch sql/log.cc: Import patch wl1012.patch sql/log_event.cc: Import patch wl1012.patch sql/log_event.h: Import patch wl1012.patch sql/mysql_priv.h: Import patch wl1012.patch sql/mysqld.cc: Import patch wl1012.patch sql/rpl_filter.h: Import patch wl1012.patch sql/set_var.cc: Import patch wl1012.patch sql/share/errmsg.txt: Import patch wl1012.patch sql/slave.cc: Import patch wl1012.patch sql/slave.h: Import patch wl1012.patch sql/sp.cc: Import patch wl1012.patch sql/sp_head.cc: Import patch wl1012.patch sql/sql_acl.cc: Import patch wl1012.patch sql/sql_base.cc: Import patch wl1012.patch sql/sql_class.cc: Import patch wl1012.patch sql/sql_class.h: Import patch wl1012.patch sql/sql_delete.cc: Import patch wl1012.patch sql/sql_insert.cc: Import patch wl1012.patch sql/sql_lex.h: Import patch wl1012.patch sql/sql_list.h: Import patch wl1012.patch sql/sql_load.cc: Import patch wl1012.patch sql/sql_parse.cc: Import patch wl1012.patch sql/sql_plugin.cc: Import patch wl1012.patch sql/sql_rename.cc: Import patch wl1012.patch sql/sql_repl.h: Import patch wl1012.patch sql/sql_select.cc: Import patch wl1012.patch sql/sql_show.cc: Import patch wl1012.patch sql/sql_table.cc: Import patch wl1012.patch sql/sql_udf.cc: Import patch wl1012.patch sql/sql_union.cc: Import patch wl1012.patch sql/sql_update.cc: Import patch wl1012.patch sql/sql_yacc.yy: Import patch wl1012.patch sql/table.cc: Import patch wl1012.patch sql/table.h: Import patch wl1012.patch storage/innobase/include/lock0lock.h: Import patch wl1012.patch storage/innobase/include/row0mysql.h: Import patch wl1012.patch storage/innobase/include/row0vers.h: Import patch wl1012.patch storage/innobase/lock/lock0lock.c: Import patch wl1012.patch storage/innobase/row/row0mysql.c: Import patch wl1012.patch storage/innobase/row/row0sel.c: Import patch wl1012.patch storage/innobase/row/row0vers.c: Import patch wl1012.patch
Diffstat (limited to 'sql/rpl_rli.h')
-rw-r--r--sql/rpl_rli.h312
1 files changed, 312 insertions, 0 deletions
diff --git a/sql/rpl_rli.h b/sql/rpl_rli.h
new file mode 100644
index 00000000000..5500fdf1f64
--- /dev/null
+++ b/sql/rpl_rli.h
@@ -0,0 +1,312 @@
+/* Copyright (C) 2005 MySQL AB
+
+ 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; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef RPL_RLI_H
+#define RPL_RLI_H
+
+#define MAX_SLAVE_ERRMSG 1024
+
+#include "rpl_tblmap.h"
+
+/****************************************************************************
+
+ Replication SQL Thread
+
+ st_relay_log_info contains:
+ - the current relay log
+ - the current relay log offset
+ - master log name
+ - master log sequence corresponding to the last update
+ - misc information specific to the SQL thread
+
+ st_relay_log_info is initialized from the slave.info file if such exists.
+ Otherwise, data members are intialized with defaults. The initialization is
+ done with init_relay_log_info() call.
+
+ The format of slave.info file:
+
+ relay_log_name
+ relay_log_pos
+ master_log_name
+ master_log_pos
+
+ To clean up, call end_relay_log_info()
+
+*****************************************************************************/
+
+typedef struct st_relay_log_info
+{
+ /*
+ If flag set, then rli does not store its state in any info file.
+ This is the case only when we execute BINLOG SQL commands inside
+ a client, non-replication thread.
+ */
+ bool no_storage;
+
+ /*** The following variables can only be read when protect by data lock ****/
+
+ /*
+ info_fd - file descriptor of the info file. set only during
+ initialization or clean up - safe to read anytime
+ cur_log_fd - file descriptor of the current read relay log
+ */
+ File info_fd,cur_log_fd;
+
+ /*
+ Protected with internal locks.
+ Must get data_lock when resetting the logs.
+ */
+ MYSQL_LOG relay_log;
+ LOG_INFO linfo;
+ IO_CACHE cache_buf,*cur_log;
+
+ /* The following variables are safe to read any time */
+
+ /* IO_CACHE of the info file - set only during init or end */
+ IO_CACHE info_file;
+
+ /*
+ When we restart slave thread we need to have access to the previously
+ created temporary tables. Modified only on init/end and by the SQL
+ thread, read only by SQL thread.
+ */
+ TABLE *save_temporary_tables;
+
+ /*
+ standard lock acquistion order to avoid deadlocks:
+ run_lock, data_lock, relay_log.LOCK_log, relay_log.LOCK_index
+ */
+ pthread_mutex_t data_lock,run_lock;
+
+ /*
+ start_cond is broadcast when SQL thread is started
+ stop_cond - when stopped
+ data_cond - when data protected by data_lock changes
+ */
+ pthread_cond_t start_cond, stop_cond, data_cond;
+
+ /* parent master info structure */
+ struct st_master_info *mi;
+
+ /*
+ Needed to deal properly with cur_log getting closed and re-opened with
+ a different log under our feet
+ */
+ uint32 cur_log_old_open_count;
+
+ /*
+ Let's call a group (of events) :
+ - a transaction
+ or
+ - an autocommiting query + its associated events (INSERT_ID,
+ TIMESTAMP...)
+ We need these rli coordinates :
+ - relay log name and position of the beginning of the group we currently are
+ executing. Needed to know where we have to restart when replication has
+ stopped in the middle of a group (which has been rolled back by the slave).
+ - relay log name and position just after the event we have just
+ executed. This event is part of the current group.
+ Formerly we only had the immediately above coordinates, plus a 'pending'
+ variable, but this dealt wrong with the case of a transaction starting on a
+ relay log and finishing (commiting) on another relay log. Case which can
+ happen when, for example, the relay log gets rotated because of
+ max_binlog_size.
+ */
+ char group_relay_log_name[FN_REFLEN];
+ ulonglong group_relay_log_pos;
+ char event_relay_log_name[FN_REFLEN];
+ ulonglong event_relay_log_pos;
+ ulonglong future_event_relay_log_pos;
+
+ /*
+ Original log name and position of the group we're currently executing
+ (whose coordinates are group_relay_log_name/pos in the relay log)
+ in the master's binlog. These concern the *group*, because in the master's
+ binlog the log_pos that comes with each event is the position of the
+ beginning of the group.
+ */
+ char group_master_log_name[FN_REFLEN];
+ volatile my_off_t group_master_log_pos;
+
+ /*
+ Handling of the relay_log_space_limit optional constraint.
+ ignore_log_space_limit is used to resolve a deadlock between I/O and SQL
+ threads, the SQL thread sets it to unblock the I/O thread and make it
+ temporarily forget about the constraint.
+ */
+ ulonglong log_space_limit,log_space_total;
+ bool ignore_log_space_limit;
+
+ /*
+ When it commits, InnoDB internally stores the master log position it has
+ processed so far; the position to store is the one of the end of the
+ committing event (the COMMIT query event, or the event if in autocommit
+ mode).
+ */
+#if MYSQL_VERSION_ID < 40100
+ ulonglong future_master_log_pos;
+#else
+ ulonglong future_group_master_log_pos;
+#endif
+
+ time_t last_master_timestamp;
+
+ /*
+ Needed for problems when slave stops and we want to restart it
+ skipping one or more events in the master log that have caused
+ errors, and have been manually applied by DBA already.
+ */
+ volatile uint32 slave_skip_counter;
+ volatile ulong abort_pos_wait; /* Incremented on change master */
+ volatile ulong slave_run_id; /* Incremented on slave start */
+ pthread_mutex_t log_space_lock;
+ pthread_cond_t log_space_cond;
+ THD * sql_thd;
+ int last_slave_errno;
+#ifndef DBUG_OFF
+ int events_till_abort;
+#endif
+ char last_slave_error[MAX_SLAVE_ERRMSG];
+
+ /* if not set, the value of other members of the structure are undefined */
+ bool inited;
+ volatile bool abort_slave;
+ volatile uint slave_running;
+
+ /*
+ Condition and its parameters from START SLAVE UNTIL clause.
+
+ UNTIL condition is tested with is_until_satisfied() method that is
+ called by exec_relay_log_event(). is_until_satisfied() caches the result
+ of the comparison of log names because log names don't change very often;
+ this cache is invalidated by parts of code which change log names with
+ notify_*_log_name_updated() methods. (They need to be called only if SQL
+ thread is running).
+ */
+
+ enum {UNTIL_NONE= 0, UNTIL_MASTER_POS, UNTIL_RELAY_POS} until_condition;
+ char until_log_name[FN_REFLEN];
+ ulonglong until_log_pos;
+ /* extension extracted from log_name and converted to int */
+ ulong until_log_name_extension;
+ /*
+ Cached result of comparison of until_log_name and current log name
+ -2 means unitialised, -1,0,1 are comarison results
+ */
+ enum
+ {
+ UNTIL_LOG_NAMES_CMP_UNKNOWN= -2, UNTIL_LOG_NAMES_CMP_LESS= -1,
+ UNTIL_LOG_NAMES_CMP_EQUAL= 0, UNTIL_LOG_NAMES_CMP_GREATER= 1
+ } until_log_names_cmp_result;
+
+ char cached_charset[6];
+ /*
+ trans_retries varies between 0 to slave_transaction_retries and counts how
+ many times the slave has retried the present transaction; gets reset to 0
+ when the transaction finally succeeds. retried_trans is a cumulative
+ counter: how many times the slave has retried a transaction (any) since
+ slave started.
+ */
+ ulong trans_retries, retried_trans;
+
+ /*
+ If the end of the hot relay log is made of master's events ignored by the
+ slave I/O thread, these two keep track of the coords (in the master's
+ binlog) of the last of these events seen by the slave I/O thread. If not,
+ ign_master_log_name_end[0] == 0.
+ As they are like a Rotate event read/written from/to the relay log, they
+ are both protected by rli->relay_log.LOCK_log.
+ */
+ char ign_master_log_name_end[FN_REFLEN];
+ ulonglong ign_master_log_pos_end;
+
+ st_relay_log_info();
+ ~st_relay_log_info();
+
+ /*
+ Invalidate cached until_log_name and group_relay_log_name comparison
+ result. Should be called after any update of group_realy_log_name if
+ there chances that sql_thread is running.
+ */
+ inline void notify_group_relay_log_name_update()
+ {
+ if (until_condition==UNTIL_RELAY_POS)
+ until_log_names_cmp_result= UNTIL_LOG_NAMES_CMP_UNKNOWN;
+ }
+
+ /*
+ The same as previous but for group_master_log_name.
+ */
+ inline void notify_group_master_log_name_update()
+ {
+ if (until_condition==UNTIL_MASTER_POS)
+ until_log_names_cmp_result= UNTIL_LOG_NAMES_CMP_UNKNOWN;
+ }
+
+ inline void inc_event_relay_log_pos()
+ {
+ event_relay_log_pos= future_event_relay_log_pos;
+ }
+
+ void inc_group_relay_log_pos(ulonglong log_pos,
+ bool skip_lock=0);
+
+ int wait_for_pos(THD* thd, String* log_name, longlong log_pos,
+ longlong timeout);
+ void close_temporary_tables();
+
+ /* Check if UNTIL condition is satisfied. See slave.cc for more. */
+ bool is_until_satisfied();
+ inline ulonglong until_pos()
+ {
+ return ((until_condition == UNTIL_MASTER_POS) ? group_master_log_pos :
+ group_relay_log_pos);
+ }
+
+ table_mapping m_table_map;
+
+ /*
+ Last charset (6 bytes) seen by slave SQL thread is cached here; it helps
+ the thread save 3 get_charset() per Query_log_event if the charset is not
+ changing from event to event (common situation).
+ When the 6 bytes are equal to 0 is used to mean "cache is invalidated".
+ */
+ void cached_charset_invalidate();
+ bool cached_charset_compare(char *charset);
+
+ /*
+ To reload special tables when they are changes, we introduce a set
+ of functions that will mark whenever special functions need to be
+ called after modifying tables. Right now, the tables are either
+ ACL tables or grants tables.
+ */
+ enum enum_reload_flag
+ {
+ RELOAD_NONE_F = 0UL,
+ RELOAD_GRANT_F = (1UL << 0),
+ RELOAD_ACCESS_F = (1UL << 1)
+ };
+
+ ulong m_reload_flags;
+
+ void touching_table(char const* db, char const* table, ulong table_id);
+ void transaction_end(THD*);
+
+ void cleanup_context(THD *, bool);
+ time_t unsafe_to_stop_at;
+} RELAY_LOG_INFO;
+
+#endif /* RPL_RLI_H */