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MDEV-26: Global transaction ID.

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Implement START SLAVE UNTIL master_gtid_pos = "<GTID position>".

Add test cases, including a test showing how to use this to promote
a new master among a set of slaves.
This commit is contained in:
unknown 2013-05-15 19:52:21 +02:00
commit 9fae993024
19 changed files with 1824 additions and 147 deletions
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8
sql/rpl_rli.h
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@ -263,7 +263,9 @@ public:
thread is running).
*/
enum {UNTIL_NONE= 0, UNTIL_MASTER_POS, UNTIL_RELAY_POS} until_condition;
enum {
UNTIL_NONE= 0, UNTIL_MASTER_POS, UNTIL_RELAY_POS, UNTIL_GTID
} until_condition;
char until_log_name[FN_REFLEN];
ulonglong until_log_pos;
/* extension extracted from log_name and converted to int */
@ -277,6 +279,8 @@ public:
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;
/* Condition for UNTIL master_gtid_pos. */
slave_connection_state until_gtid_pos;
char cached_charset[6];
/*
@ -354,6 +358,8 @@ public:
bool is_until_satisfied(THD *thd, Log_event *ev);
inline ulonglong until_pos()
{
DBUG_ASSERT(until_condition == UNTIL_MASTER_POS ||
until_condition == UNTIL_RELAY_POS);
return ((until_condition == UNTIL_MASTER_POS) ? group_master_log_pos :
group_relay_log_pos);
}