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MDEV#6411 - Setting set @@global_wsrep_sst_auth=NULL

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causes crash

Fixed by properly handling the NULL values.
This commit is contained in:
Nirbhay Choubey
2014-07-09 11:04:28 -04:00
parent 04db5aeb09
commit 40bfd20180
8 changed files with 79 additions and 24 deletions
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18
mysql-test/suite/wsrep/t/variables.test
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@@ -19,6 +19,7 @@ SET GLOBAL wsrep_replicate_myisam= ON;
# Reset it back.
SET GLOBAL wsrep_replicate_myisam= OFF;
SET GLOBAL wsrep_provider=none;
--echo
--echo #
@@ -26,6 +27,11 @@ SET GLOBAL wsrep_replicate_myisam= OFF;
--echo #
call mtr.add_suppression("safe_mutex: Found wrong usage of mutex 'LOCK_wsrep_slave_threads' and 'LOCK_global_system_variables'");
call mtr.add_suppression("WSREP: Failed to get provider options");
--disable_query_log
eval SET GLOBAL wsrep_provider= '$WSREP_PROVIDER';
--enable_query_log
--replace_regex /.*libgalera_smm.*/libgalera_smm.so/
SELECT @@global.wsrep_provider;
SELECT @@global.wsrep_slave_threads;
@@ -71,5 +77,17 @@ SET GLOBAL wsrep_provider= none;
SET GLOBAL wsrep_cluster_address= '';
SET GLOBAL wsrep_provider_options= '';
--echo #
--echo # MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
--echo #
SET @wsrep_sst_auth_saved= @@global.wsrep_sst_auth;
SET @@global.wsrep_sst_auth= 'user:pass';
SELECT @@global.wsrep_sst_auth;
SET @@global.wsrep_sst_auth= '';
SELECT @@global.wsrep_sst_auth;
SET @@global.wsrep_sst_auth= NULL;
SELECT @@global.wsrep_sst_auth;
SET @@global.wsrep_sst_auth= @wsrep_sst_auth_saved;
--echo # End of test.