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drop table if exists t1;
create table t1 (
a int not null primary key,
b int not null
) engine=ndb;
insert into t1 values (1,10), (2,20), (3,100), (4, 100);
create procedure test_proc1 (in var_in int)
begin
select * from t1 where a = var_in;
end;
create procedure test_proc2 (out var_out int)
begin
select b from t1 where a = 1 into var_out;
end;
create procedure test_proc3 (inout var_inout int)
begin
select b from t1 where a = var_inout into var_inout;
end;
//
call test_proc1(1);
a b
1 10
call test_proc2(@test_var);
select @test_var;
@test_var
10
set @test_var = 1;
call test_proc3(@test_var);
select @test_var;
@test_var
10
alter procedure test_proc1 comment 'new comment';
show create procedure test_proc1;
Procedure sql_mode Create Procedure character_set_client collation_connection Database Collation
test_proc1 ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`root`@`localhost` PROCEDURE `test_proc1`(in var_in int)
COMMENT 'new comment'
begin
select * from t1 where a = var_in;
end latin1 latin1_swedish_ci latin1_swedish_ci
drop procedure test_proc1;
drop procedure test_proc2;
drop procedure test_proc3;
drop table t1;
End of 5.1 tests