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| author | Daniele Sciascia <daniele.sciascia@galeracluster.com> | 2021-04-14 22:40:46 +0200 |
|---|---|---|
| committer | Jan Lindström <jan.lindstrom@mariadb.com> | 2021-04-20 08:24:14 +0300 |
| commit | eb4123eefc8e0ee4751d3cd3cc49ebf256aa9486 (patch) | |
| tree | c4e88945dcaa90c3384010b24c13926f300655fb /sql/service_wsrep.cc | |
| parent | 57caff245cbdcbdfda6f022de7f354f05a790656 (diff) | |
| download | mariadb-git-eb4123eefc8e0ee4751d3cd3cc49ebf256aa9486.tar.gz | |
More fixes to variable wsrep_on
* Disallow setting wsrep_on = 1 if wsrep_provider is unset. Also, move
wsrep_on_basic from sys_vars to wsrep suite: this test now requires
to run with wsrep_provider set
* Disallow setting @@session.wsrep_on = 1 when @@global.wsrep_on = 0
* Handle the case where a new connection turns @@global.wsrep_on from
off to on. In this case we would miss a call to wsrep_open, causing
unexpected states in wsrep::client_state (causing assertions).
* Disable wsrep.MDEV-22443 because it is no longer possible to enable
wsrep_on, if server is started with wsrep_provider='none'
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
Diffstat (limited to 'sql/service_wsrep.cc')
| -rw-r--r-- | sql/service_wsrep.cc | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sql/service_wsrep.cc b/sql/service_wsrep.cc index 80f164855b2..14f136ca480 100644 --- a/sql/service_wsrep.cc +++ b/sql/service_wsrep.cc @@ -120,15 +120,23 @@ extern "C" my_bool wsrep_get_debug() return wsrep_debug; } +/* + Test if this connection is a true local (user) connection and not + a replication or wsrep applier thread. + + Note that this is only usable for galera (as there are other kinds + of system threads, and only if WSREP_NNULL() is tested by the caller. + */ extern "C" my_bool wsrep_thd_is_local(const THD *thd) { /* - async replication IO and background threads have nothing to replicate in the cluster, - marking them as non-local here to prevent write set population and replication + async replication IO and background threads have nothing to + replicate in the cluster, marking them as non-local here to + prevent write set population and replication - async replication SQL thread, applies client transactions from mariadb master - and will be replicated into cluster - */ + async replication SQL thread, applies client transactions from + mariadb master and will be replicated into cluster + */ return ( thd->system_thread != SYSTEM_THREAD_SLAVE_BACKGROUND && thd->system_thread != SYSTEM_THREAD_SLAVE_IO && |