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MDEV-26: Global transaction ID. First alpha release.

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Merge of 10.0-mdev26 feature tree into 10.0-base.

Global transaction ID is prepended to each event group in the binlog.

Slave connect can request to start from GTID position instead of specifying
file name/offset of master binlog. This facilitates easy switch to a new
master.

Slave GTID state is stored in a table mysql.rpl_slave_state, which can be
InnoDB to get crash-safe slave state.

GTID includes a replication domain ID, allowing to keep track of distinct
positions for each of multiple masters.
This commit is contained in:
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2013-04-15 10:55:27 +02:00
parent 491047a247 e5cbefeb89
commit 665a31af2b
251 changed files with 17002 additions and 8586 deletions
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4
sql/sql_parse.cc
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@ -1265,10 +1265,10 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
/* TODO: The following has to be changed to an 8 byte integer */
pos = uint4korr(packet);
flags = uint2korr(packet + 4);
thd->server_id=0; /* avoid suicide */
thd->variables.server_id=0; /* avoid suicide */
if ((slave_server_id= uint4korr(packet+6))) // mysqlbinlog.server_id==0
kill_zombie_dump_threads(slave_server_id);
thd->server_id = slave_server_id;
thd->variables.server_id = slave_server_id;
general_log_print(thd, command, "Log: '%s' Pos: %ld", packet+10,
(long) pos);