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Merge 10.8 into 10.9

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This commit is contained in:
Marko Mäkelä
2022-04-06 13:33:33 +03:00
parent 7ae46ced37 b2baeba415
commit 6cb6ba8b7b
94 changed files with 1043 additions and 1369 deletions
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55
sql/sql_parse.cc
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@ -1,5 +1,5 @@
/* Copyright (c) 2000, 2017, Oracle and/or its affiliates.
Copyright (c) 2008, 2021, MariaDB
Copyright (c) 2008, 2022, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -9201,6 +9201,7 @@ THD *find_thread_by_id(longlong id, bool query_id)
return arg.thd;
}
/**
kill one thread.
@ -9216,7 +9217,7 @@ kill_one_thread(THD *thd, longlong id, killed_state kill_signal, killed_type typ
THD *tmp;
uint error= (type == KILL_TYPE_QUERY ? ER_NO_SUCH_QUERY : ER_NO_SUCH_THREAD);
DBUG_ENTER("kill_one_thread");
DBUG_PRINT("enter", ("id: %lld signal: %u", id, (uint) kill_signal));
DBUG_PRINT("enter", ("id: %lld signal: %d", id, kill_signal));
tmp= find_thread_by_id(id, type == KILL_TYPE_QUERY);
if (!tmp)
DBUG_RETURN(error);
@ -9244,7 +9245,8 @@ kill_one_thread(THD *thd, longlong id, killed_state kill_signal, killed_type typ
faster and do a harder kill than KILL_SYSTEM_THREAD;
*/
mysql_mutex_lock(&tmp->LOCK_thd_data); // for various wsrep* checks below
mysql_mutex_lock(&tmp->LOCK_thd_data); // Lock from concurrent usage
#ifdef WITH_WSREP
if (((thd->security_ctx->master_access & PRIV_KILL_OTHER_USER_PROCESS) ||
thd->security_ctx->user_matches(tmp->security_ctx)) &&
@ -9259,27 +9261,28 @@ kill_one_thread(THD *thd, longlong id, killed_state kill_signal, killed_type typ
if (tmp->wsrep_aborter && tmp->wsrep_aborter != thd->thread_id)
{
/* victim is in hit list already, bail out */
WSREP_DEBUG("victim has wsrep aborter: %lu, skipping awake()",
tmp->wsrep_aborter);
WSREP_DEBUG("victim %lld has wsrep aborter: %lu, skipping awake()",
id, tmp->wsrep_aborter);
error= 0;
}
else
#endif /* WITH_WSREP */
{
WSREP_DEBUG("kill_one_thread %llu, victim: %llu wsrep_aborter %llu by signal %d",
thd->thread_id, id, tmp->wsrep_aborter, kill_signal);
WSREP_DEBUG("kill_one_thread victim: %lld wsrep_aborter %lu"
" by signal %d",
id, tmp->wsrep_aborter, kill_signal);
tmp->awake_no_mutex(kill_signal);
WSREP_DEBUG("victim: %llu taken care of", id);
error= 0;
}
}
else
error= (type == KILL_TYPE_QUERY ? ER_KILL_QUERY_DENIED_ERROR :
ER_KILL_DENIED_ERROR);
mysql_mutex_unlock(&tmp->LOCK_thd_data);
}
mysql_mutex_unlock(&tmp->LOCK_thd_kill);
DBUG_PRINT("exit", ("%d", error));
DBUG_PRINT("exit", ("%u", error));
DBUG_RETURN(error);
}
@ -9390,6 +9393,18 @@ static
void sql_kill(THD *thd, longlong id, killed_state state, killed_type type)
{
uint error;
#ifdef WITH_WSREP
if (WSREP(thd))
{
WSREP_DEBUG("sql_kill called");
if (thd->wsrep_applier)
{
WSREP_DEBUG("KILL in applying, bailing out here");
return;
}
WSREP_TO_ISOLATION_BEGIN(WSREP_MYSQL_DB, NULL, NULL)
}
#endif /* WITH_WSREP */
if (likely(!(error= kill_one_thread(thd, id, state, type))))
{
if (!thd->killed)
@ -9399,6 +9414,11 @@ void sql_kill(THD *thd, longlong id, killed_state state, killed_type type)
}
else
my_error(error, MYF(0), id);
#ifdef WITH_WSREP
return;
wsrep_error_label:
my_error(ER_KILL_DENIED_ERROR, MYF(0), (long long) thd->thread_id);
#endif /* WITH_WSREP */
}
@ -9407,6 +9427,18 @@ sql_kill_user(THD *thd, LEX_USER *user, killed_state state)
{
uint error;
ha_rows rows;
#ifdef WITH_WSREP
if (WSREP(thd))
{
WSREP_DEBUG("sql_kill_user called");
if (thd->wsrep_applier)
{
WSREP_DEBUG("KILL in applying, bailing out here");
return;
}
WSREP_TO_ISOLATION_BEGIN(WSREP_MYSQL_DB, NULL, NULL)
}
#endif /* WITH_WSREP */
switch (error= kill_threads_for_user(thd, user, state, &rows))
{
case 0:
@ -9419,6 +9451,11 @@ sql_kill_user(THD *thd, LEX_USER *user, killed_state state)
default:
my_error(error, MYF(0));
}
#ifdef WITH_WSREP
return;
wsrep_error_label:
my_error(ER_KILL_DENIED_ERROR, MYF(0), (long long) thd->thread_id);
#endif /* WITH_WSREP */
}