diff options
Diffstat (limited to 'mysql-test/main/bench_count_distinct.result')
| -rw-r--r-- | mysql-test/main/bench_count_distinct.result | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mysql-test/main/bench_count_distinct.result b/mysql-test/main/bench_count_distinct.result new file mode 100644 index 00000000..8b67e4be --- /dev/null +++ b/mysql-test/main/bench_count_distinct.result @@ -0,0 +1,11 @@ +drop table if exists t1; +create table t1(n int not null, key(n)) delay_key_write = 1; +select count(distinct n) from t1; +count(distinct n) +100 +explain extended select count(distinct n) from t1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 range NULL n 4 NULL 10 100.00 Using index for group-by +Warnings: +Note 1003 select count(distinct `test`.`t1`.`n`) AS `count(distinct n)` from `test`.`t1` +drop table t1; |