CREATE TABLE t1(a int) ENGINE=ARCHIVE; ERROR 42000: Unknown storage engine 'ARCHIVE' INSTALL PLUGIN archive SONAME 'ha_archive.so'; INSTALL PLUGIN ARCHIVE SONAME 'ha_archive.so'; ERROR HY000: Plugin 'ARCHIVE' already installed UNINSTALL PLUGIN archive; INSTALL PLUGIN archive SONAME 'ha_archive.so'; CREATE TABLE t1(a int) ENGINE=ARCHIVE; DROP TABLE t1; SELECT 1; 1 1 UNINSTALL PLUGIN archive; UNINSTALL PLUGIN archive; ERROR 42000: PLUGIN archive does not exist