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-rw-r--r--mysql-test/t/query_cache.test17
1 files changed, 16 insertions, 1 deletions
diff --git a/mysql-test/t/query_cache.test b/mysql-test/t/query_cache.test
index 5ae2039138d..31aa69e32ec 100644
--- a/mysql-test/t/query_cache.test
+++ b/mysql-test/t/query_cache.test
@@ -544,10 +544,25 @@ select * from t3;
enable_result_log;
delete from t4 where a=1;
flush query cache;
-
drop table t1,t2,t3,t4;
#
+# WRITE LOCK & QC
+#
+set query_cache_wlock_invalidate=1;
+create table t1 (a int not null);
+create table t2 (a int not null);
+select * from t1;
+select * from t2;
+show status like "Qcache_queries_in_cache";
+lock table t1 write, t2 read;
+show status like "Qcache_queries_in_cache";
+unlock table;
+drop table t1,t2;
+set query_cache_wlock_invalidate=default;
+
+
+#
# Test character set related variables:
# character_set_result
# character_set_client