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MDEV-27161: Add option for SQL thread to limit maximum execution time per query replicated

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New Feature:
============
This patch adds a new system variable, @@slave_max_statement_time,
which limits the execution time of s slave’s events that implements
an equivalent to @@max_statement_time for slave applier.

Reviewed By:
============
Andrei Elkin <andrei.elkin@mariadb.com>
This commit is contained in:
Brandon Nesterenko
2022-06-27 12:29:10 -06:00
committed by Andrei
parent 7864d955f3
commit 360d99429c
13 changed files with 434 additions and 7 deletions
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3
sql/sql_class.cc
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@@ -2095,7 +2095,8 @@ int THD::killed_errno()
DBUG_RETURN(ER_QUERY_INTERRUPTED);
case KILL_TIMEOUT:
case KILL_TIMEOUT_HARD:
DBUG_RETURN(ER_STATEMENT_TIMEOUT);
DBUG_RETURN(slave_thread ?
ER_SLAVE_STATEMENT_TIMEOUT : ER_STATEMENT_TIMEOUT);
case KILL_SERVER:
case KILL_SERVER_HARD:
DBUG_RETURN(ER_SERVER_SHUTDOWN);