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MDEV-31723: Crash on SET SESSION gtid_seq_no= DEFAULT

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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>
This commit is contained in:
Kristian Nielsen
2023-07-17 15:06:50 +02:00
parent 9854fb6fa7
commit d632c85bb7
6 changed files with 176 additions and 7 deletions
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1
mysql-test/suite/sys_vars/r/gtid_seq_no_basic.result
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@ -8,6 +8,7 @@ SELECT @@session.gtid_seq_no;
20
SET GLOBAL gtid_seq_no= DEFAULT;
ERROR HY000: Variable 'gtid_seq_no' is a SESSION variable and can't be used with SET GLOBAL
SET SESSION gtid_seq_no= DEFAULT;
SET SESSION gtid_seq_no= -1;
Warnings:
Warning 1292 Truncated incorrect gtid_seq_no value: '-1'