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--source include/have_innodb.inc # # BUG#22469660 INNODB DOESN'T UPDATE INDEX STATS WHEN ADDING OR DROPPING VIRTUAL COLUMN # CREATE TABLE t ( a INT, b INT, c INT GENERATED ALWAYS AS(a+b), d INT GENERATED ALWAYS AS(a+b+b), KEY idxa (a), KEY vidxcd (c, d) ) ENGINE=INNODB; INSERT INTO t (a,b) VALUES (1, 2); SELECT index_name, stat_name, stat_description FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; ALTER TABLE t ADD COLUMN e INT GENERATED ALWAYS AS(a+a+b), ADD INDEX idxb (b), ALGORITHM=INPLACE; SELECT index_name, stat_name, stat_description FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; ALTER TABLE t DROP COLUMN c, DROP INDEX idxa, ALGORITHM=INPLACE; SELECT index_name, stat_name, stat_description FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; ALTER TABLE t ADD INDEX vidxe (e), ALGORITHM=INPLACE; SELECT index_name, stat_name, stat_description FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; ALTER TABLE t ADD COLUMN f INT GENERATED ALWAYS AS(a + a), ADD INDEX vidxf (f), ALGORITHM=INPLACE; SELECT index_name, stat_name, stat_description FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; ALTER TABLE t DROP INDEX vidxcd; SELECT index_name, stat_name, stat_description FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't'; DROP TABLE t;