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MDEV-26: Global transaction ID.

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Fix things so that a master can switch with MASTER_GTID_POS=AUTO to a slave
that was previously running with log_slave_updates=0, by looking into the
slave replication state on the master when the slave requests something not
present in the binlog.

Be a bit more strict about what position the slave can ask for, to avoid some
easy-to-hit misconfiguration errors.

Start over with seq_no counter when RESET MASTER.
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2013-03-18 15:09:36 +01:00
parent 379819d8c0
commit 9d9ddad759
16 changed files with 843 additions and 145 deletions
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sql/sql_repl.h
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@ -68,7 +68,6 @@ void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos, ushort flags);
extern PSI_mutex_key key_LOCK_slave_state, key_LOCK_binlog_state;
void rpl_init_gtid_slave_state();
void rpl_deinit_gtid_slave_state();
int rpl_load_gtid_slave_state(THD *thd);
int gtid_state_from_binlog_pos(const char *name, uint32 pos, String *out_str);
#endif /* HAVE_REPLICATION */