Mysql儲存過程3:if語句
阿新 • • 發佈:2017-07-04
sql語句 inpu arguments ted div mysql then for clas
--if/else語句 if 條件 then SQL語句 else SQL語句
elseif
SQL語句 end if; create procedure test1( number int ) begin if number > 10 then select user(); else select ‘please input a number > 10‘; end if; end$
mysql> create procedure test1( -> number int -> ) -> begin-> if number > 10 then -> select user(); -> else -> select ‘please input a number > 10‘; -> end if; -> end$ Query OK, 0 rows affected (0.00 sec) mysql> call test1()$ ERROR 1318 (42000): Incorrect number of arguments for PROCEDURE test.test1; expected 1, got 0 mysql> call test1(11)$ +----------------+ | user() | +----------------+ | root@localhost | +----------------+ 1 row in set (0.00 sec) Query OK, 0 rows affected (0.01 sec) mysql> call test1(1)$ +----------------------------+ | please input a number > 10 | +----------------------------+| please input a number > 10 | +----------------------------+ 1 row in set (0.00 sec) Query OK, 0 rows affected (0.01 sec) mysql>
Mysql儲存過程3:if語句