1 files changed, 29 insertions, 3 deletions
diff --git a/mysql-test/t/plugin.test b/mysql-test/t/plugin.test
index 4412383f837..602b2e3c5c9 100644
--- a/mysql-test/t/plugin.test
+++ b/mysql-test/t/plugin.test
@@ -16,12 +16,13 @@ INSTALL SONAME 'ha_example';
 --replace_regex /\.dll/.so/
 --query_vertical select * from information_schema.plugins where plugin_library like 'ha_example%'
 
-CREATE TABLE t1(a int) ENGINE=EXAMPLE;
+CREATE TABLE t1 (a int) ENGINE=EXAMPLE;
+CREATE TABLE t2 (a int) ENGINE=EXAMPLE;
+FLUSH TABLES;
 
 # Let's do some advanced ops with the example engine :)
 SELECT * FROM t1;
 
-
 # a couple of tests for variables
 set global example_ulong_var=500;
 set global example_enum_var= e1;
@@ -29,12 +30,26 @@ show status like 'example%';
 show variables like 'example%';
 
 UNINSTALL SONAME 'ha_example';
+
+# the engine is NOT uninstalled yet,
+# because the table `t1` is open, sitting in the table defintion cache
+
 --replace_column 5 #
 --replace_regex /\.dll/.so/
 --query_vertical select * from information_schema.plugins where plugin_library like 'ha_example%'
-
 DROP TABLE t1;
 
+# now the engine IS unloaded
+# and the table `t2` belongs to an unknown engine
+
+--replace_column 5 #
+--replace_regex /\.dll/.so/
+--query_vertical select * from information_schema.plugins where plugin_library like 'ha_example%'
+--error ER_UNKNOWN_STORAGE_ENGINE
+SELECT * FROM t2;
+DROP TABLE t2;
+
+
 --error 1305
 UNINSTALL PLUGIN EXAMPLE;
 
@@ -129,6 +144,7 @@ CREATE TABLE t1 (a int) ENGINE=example ULL=1e2;
 
 CREATE TABLE t1 (a int) ENGINE=example ULL=0x1234;
 SHOW CREATE TABLE t1;
+SET example_varopt_default=33; # does not affect varopt of t1
 
 select create_options from information_schema.tables where table_schema='test' and table_name='t1';
 
@@ -137,6 +153,16 @@ SHOW CREATE TABLE t1;
 
 DROP TABLE t1;
 
+create table t1 (a int) engine=example; # varopt is 10
+show create table t1;
+drop table t1;
+
+create table t1 (a int) engine=example varopt=15;
+show create table t1;
+alter table t1 varopt=default;
+show create table t1;
+drop table t1;
+
 SET @@SQL_MODE=@OLD_SQL_MODE;
 
 #