connection node_2;
connection node_1;
INSTALL PLUGIN ARCHIVE SONAME 'ha_archive.so';
CREATE TABLE t (a CHAR(1)) ENGINE=ARCHIVE;
SHOW CREATE TABLE t;
Table	Create Table
t	CREATE TABLE `t` (
  `a` char(1) DEFAULT NULL
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t VALUES ('A');
UNINSTALL SONAME 'ha_archive';
Warnings:
Warning	1620	Plugin is busy and will be uninstalled on shutdown
ALTER TABLE t CHANGE COLUMN a a CHAR(2);
INSERT INTO t (a) VALUES ('AB');
ERROR 42000: Unknown storage engine 'ARCHIVE'
DROP TABLE t;