spring-security/acl/src/main/resources/createAclSchema.sql

-- ACL schema sql used in HSQLDB

-- drop table acl_entry;
-- drop table acl_object_identity;
-- drop table acl_class;
-- drop table acl_sid;

create table acl_sid(
    id bigint generated by default as identity(start with 100) not null primary key,
    principal boolean not null,
    sid varchar_ignorecase(100) not null,
    constraint unique_uk_1 unique(sid,principal)
);

create table acl_class(
    id bigint generated by default as identity(start with 100) not null primary key,
    class varchar_ignorecase(100) not null,
    constraint unique_uk_2 unique(class)
);

create table acl_object_identity(
    id bigint generated by default as identity(start with 100) not null primary key,
    object_id_class bigint not null,
    object_id_identity bigint not null,
    parent_object bigint,
    owner_sid bigint,
    entries_inheriting boolean not null,
    constraint unique_uk_3 unique(object_id_class,object_id_identity),
    constraint foreign_fk_1 foreign key(parent_object)references acl_object_identity(id),
    constraint foreign_fk_2 foreign key(object_id_class)references acl_class(id),
    constraint foreign_fk_3 foreign key(owner_sid)references acl_sid(id)
);

create table acl_entry(
    id bigint generated by default as identity(start with 100) not null primary key,
    acl_object_identity bigint not null,
    ace_order int not null,
    sid bigint not null,
    mask integer not null,
    granting boolean not null,
    audit_success boolean not null,
    audit_failure boolean not null,
    constraint unique_uk_4 unique(acl_object_identity,ace_order),
    constraint foreign_fk_4 foreign key(acl_object_identity) references acl_object_identity(id),
    constraint foreign_fk_5 foreign key(sid) references acl_sid(id)
);