mariadb/gtid_seq_no_basic.test at ead61d9bd96b773a3bbacf16c20df7cc34d85c96 - mariadb - GitFox

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Kristian Nielsen d632c85bb7 MDEV-31723: Crash on SET SESSION gtid_seq_no= DEFAULT

A simple "SET SESSION gtid_seq_no= DEFAULT" did not work, it would straight
up crash the server! Also, explicitly setting gtid_seq_no to 0 gave an error
in --gtid-strict-mode=1.

Setting to DEFAULT or 0 should disable any prior setting of
gtid_seq_no, so that the next transaction is allocated the next GTID
in sequence, as normal.

Reviewed-by: Monty <monty@mariadb.org>
Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>

2023-07-30 22:00:43 +02:00

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 --error ER_INCORRECT_GLOBAL_LOCAL_VAR
 SELECT @@global.gtid_seq_no;
 --error ER_LOCAL_VARIABLE
 SET GLOBAL gtid_seq_no= 10;
 SET SESSION gtid_seq_no= 20;
 SELECT @@session.gtid_seq_no;
 --error ER_LOCAL_VARIABLE
 SET GLOBAL gtid_seq_no= DEFAULT;
 SET SESSION gtid_seq_no= DEFAULT;
 SET SESSION gtid_seq_no= -1;
 SELECT @@session.gtid_seq_no;