delete from mysql.proc;
create procedure proc1()
set @x = 42;
create function func1() returns int
return 42;
create procedure foo()
create procedure bar() set @x=3;
Can't create a PROCEDURE from within another stored routine
create procedure foo()
create function bar() returns double return 2.3;
Can't create a FUNCTION from within another stored routine
create procedure proc1()
set @x = 42;
PROCEDURE proc1 already exists
create function func1() returns int
return 42;
FUNCTION func1 already exists
alter procedure foo;
PROCEDURE foo does not exist
alter function foo;
FUNCTION foo does not exist
drop procedure foo;
PROCEDURE foo does not exist
drop function foo;
FUNCTION foo does not exist
call foo();
PROCEDURE foo does not exist
drop procedure if exists foo;
Warnings:
Warning	1256	PROCEDURE foo does not exist
create procedure foo()
foo: loop
leave bar;
end loop;
LEAVE with no matching label: bar
create procedure foo()
foo: loop
iterate bar;
end loop;
ITERATE with no matching label: bar
create procedure foo()
foo: loop
foo: loop
set @x=2;
end loop foo;
end loop foo;
Redefining label foo
create procedure foo()
foo: loop
set @x=2;
end loop bar;
End-label bar without match
create procedure foo(out x int)
begin
declare y int;
set x = y;
end;
Referring to uninitialized variable y
create procedure foo(x int)
select * from test.t1;
SELECT in a stored procedure must have INTO
create procedure foo()
return 42;
RETURN is only allowed in a FUNCTION
create function foo() returns int
begin
declare x int;
select max(c) into x from test.t;
return x;
end;
Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION
drop procedure proc1;
drop function func1;