INSTALL PLUGIN audit_null SONAME 'adt_null.<expected_extension>';
ERROR HY000: Can't find symbol 'audit_null' in library
INSTALL PLUGIN null_audit SONAME 'adt_null.<expected_extension>';
CREATE TABLE t1 (c1 INT, c2 CHAR(20));
CREATE TABLE t1 (c1 INT, c2 CHAR(20));
ERROR 42S01: Table 't1' already exists
INSERT INTO t1 VALUES (1,'a'),(2,'b'),(3,'c');
SELECT * FROM t1;
c1	c2
1	a
2	b
3	c
SELECT * FROM t2;
ERROR 42S02: Table 'test.t2' doesn't exist
DROP TABLE t1;
SHOW STATUS LIKE 'audit_null_called';
Variable_name	Value
Audit_null_called	<expected_number_of_calls>
UNINSTALL PLUGIN audit_null;
ERROR 42000: PLUGIN audit_null does not exist
UNINSTALL PLUGIN null_audit;
Warnings:
Warning	1620	Plugin is busy and will be uninstalled on shutdown
