drop table if exists Approval;

create table Approval (
    ApprovalID integer primary key,
    IssueID integer not null,
    UserID integer not null,
    ItemStatus integer default 0,
    Delegated integer default 0
);

insert into Approval (IssueID, UserID)
values (1, 15),
(2, 34),
(3, 2),
(4, 19);