969
969
2 SUBQUERY t1 ALL NULL NULL NULL NULL 1 100.00
971
971
Note 1003 select (select rand() AS "RAND()" from "test"."t1") AS "(SELECT RAND() FROM t1)" from "test"."t1"
978
972
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
979
973
id select_type table type possible_keys key key_len ref rows filtered Extra
980
974
1 PRIMARY t1 ALL NULL NULL NULL NULL 1 100.00