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MDEV-20715 : Implement system variable to disallow local GTIDs in Galera

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Added a new wsrep_mode feature DISALLOW_LOCAL_GTID for this.
Nodes can have GTIDs for local transactions in the following scenarios:

A DDL statement is executed with wsrep_OSU_method=RSU set.
A DML statement writes to a non-InnoDB table.
A DML statement writes to an InnoDB table with wsrep_on=OFF set.

If user has set wsrep_mode=DISALLOW_LOCAL_GTID these operations
produce a error ERROR HY000: Galera replication not supported
This commit is contained in:
Jan Lindström
2021-03-01 15:21:31 +02:00
parent b47304eb02
commit ebb2db5912
12 changed files with 429 additions and 11 deletions
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sql/sql_class.cc
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@ -713,6 +713,7 @@ THD::THD(my_thread_id id, bool is_wsrep_applier)
wsrep_current_gtid_seqno(0),
wsrep_affected_rows(0),
wsrep_has_ignored_error(false),
wsrep_was_on(false),
wsrep_ignore_table(false),
wsrep_aborter(0),