CREATE TABLE t1 (a longtext, FULLTEXT KEY (`a`)) ENGINE=InnoDB; INSERT INTO t1 VALUES (unhex('3E0D0A4141414142334E7A6143317963324541414141424977414141674541726D')); ANALYZE TABLE t1 PERSISTENT FOR ALL; Table Op Msg_type Msg_text test.t1 analyze status Engine-independent statistics collected test.t1 analyze Warning Engine-independent statistics are not collected for column 'a' test.t1 analyze status OK SELECT * FROM mysql.index_stats WHERE index_name='a' AND table_name='t1'; db_name table_name index_name prefix_arity avg_frequency test t1 a 1 NULL DROP TABLE t1; CREATE TABLE t1 (a longtext, FULLTEXT KEY (`a`)) ENGINE=MyISAM; INSERT INTO t1 VALUES (unhex('3E0D0A4141414142334E7A6143317963324541414141424977414141674541726D')); ANALYZE TABLE t1 PERSISTENT FOR ALL; Table Op Msg_type Msg_text test.t1 analyze status Engine-independent statistics collected test.t1 analyze Warning Engine-independent statistics are not collected for column 'a' test.t1 analyze status OK SELECT * FROM mysql.index_stats WHERE index_name='a' AND table_name='t1'; db_name table_name index_name prefix_arity avg_frequency test t1 a 1 NULL DROP TABLE t1; CREATE TABLE geom (g GEOMETRY NOT NULL, SPATIAL INDEX(g)) ENGINE=MyISAM; INSERT INTO geom VALUES (MultiPolygonFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))')), (MPolyFromText('MULTIPOLYGON(((28 26,28 0,84 0,84 42,28 26),(52 18,66 23,73 9,48 6,52 18)),((59 18,67 18,67 13,59 13,59 18)))')), (MPolyFromWKB(AsWKB(MultiPolygon(Polygon(LineString(Point(0, 3), Point(3, 3), Point(3, 0), Point(0, 3))))))); ANALYZE TABLE geom PERSISTENT FOR ALL; Table Op Msg_type Msg_text test.geom analyze status Engine-independent statistics collected test.geom analyze status OK SELECT * FROM mysql.index_stats WHERE index_name='g' AND table_name='geom'; db_name table_name index_name prefix_arity avg_frequency test geom g 1 NULL DROP TABLE geom;