Re: How to get detailed profile information In MySQL Cluster(NDB) ?

[Davy Lau]

Thank you!
I have tried use explain.The results was followed.but the return messages were not I want to got.I want to know some detailed informantion about a sql statement.So what should i do?


explain select * from a;
+----+-------------+-------+--------+---------------+------+---------+------+------+-------+
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+--------+---------------+------+---------+------+------+-------+
| 1 | SIMPLE | a | system | NULL | NULL | NULL | NULL | 1 | |
+----+-------------+-------+--------+---------------+------+---------+------+------+-------+
1 row in set (0.00 sec)