diff options
Diffstat (limited to 'mysql-test/include')
| -rw-r--r-- | mysql-test/include/mix1.inc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mysql-test/include/mix1.inc b/mysql-test/include/mix1.inc index 6a47b39e5bc..30b17c2e063 100644 --- a/mysql-test/include/mix1.inc +++ b/mysql-test/include/mix1.inc @@ -455,6 +455,16 @@ INSERT INTO t1(id, dept, age, name) VALUES (4011, 'cs7', 10, 'rs4'), (4012, 'cs8', 20, 'rs4'), (4019, 'cs9', 10, 'rs5'), (4020, 'cs10', 20, 'rs5'),(4027, 'cs11', 10, 'rs6'),(4028, 'cs12', 20, 'rs6'); +set + @tmp_uss=@@use_stat_tables, + @tmp_occ=@@optimizer_use_condition_selectivity; +set + use_stat_tables='preferably', + optimizer_use_condition_selectivity=4; + +analyze table t1 persistent for all; +flush tables; + EXPLAIN SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5'; SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5'; DELETE FROM t1; @@ -464,6 +474,9 @@ EXPLAIN SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5'; SELECT DISTINCT t1.name, t1.dept FROM t1 WHERE t1.name='rs5'; DROP TABLE t1; +set + use_stat_tables=@tmp_uss, + optimizer_use_condition_selectivity=@tmp_occ; --source include/innodb_rollback_on_timeout.inc |