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MXS-1778: Add support for MariaDB GTID tracking

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The MariaDB implementation allows the last GTID to be tracked with the
`last_gtid` variable. To do this, the configuration option
`session_track_system_variables=last_gtid` must be used or it must be
enabled at runtime.
This commit is contained in:
Markus Mäkelä
2018-05-20 22:35:03 +03:00
parent 6d1c0e5ba6
commit 4ba0ac434b
5 changed files with 41 additions and 16 deletions
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4
server/modules/protocol/MySQL/mysql_common.cc
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@ -1871,13 +1871,13 @@ void mxs_mysql_parse_ok_packet(GWBUF *buff, size_t packet_offset, size_t packet_
mxs_leint_consume(&ptr); // Length of the overall entity.
mxs_leint_consume(&ptr); // encoding specification
var_value = mxs_lestr_consume_dup(&ptr);
gwbuf_add_property(buff, (char *)"gtid", var_value);
gwbuf_add_property(buff, MXS_LAST_GTID, var_value);
MXS_FREE(var_value);
break;
case SESSION_TRACK_TRANSACTION_CHARACTERISTICS:
mxs_leint_consume(&ptr); //length
var_value = mxs_lestr_consume_dup(&ptr);
gwbuf_add_property(buff, (char *)"trx_characteristics", var_value);
gwbuf_add_property(buff, "trx_characteristics", var_value);
MXS_FREE(var_value);
break;
case SESSION_TRACK_SYSTEM_VARIABLES: