DO

This statement executes an expression, without returning a result. In MySQL, a common use-case is to execute stored programs without needing to handle the result. Since TiDB does not provide stored routines, this function has a more limited use.

Synopsis

DoStmt:

ExpressionList:

Expression:

Examples

mysql> SELECT SLEEP(5);
+----------+
| SLEEP(5) |
+----------+
|        0 |
+----------+
1 row in set (5.00 sec)

mysql> DO SLEEP(5);
Query OK, 0 rows affected (5.00 sec)

mysql> DO SLEEP(1), SLEEP(1.5);
Query OK, 0 rows affected (2.50 sec)

MySQL compatibility

This statement is understood to be fully compatible with MySQL. Any compatibility differences should be reported via an issue on GitHub.

See also

• SELECT