changes

initial/schema.sql

@@ -1,9 +1,23 @@
+create sequence account_s
+    start with 1
+    increment by 1;
+
+create table account_t (
+    id integer not null default nextval('account_s'),
+    comment varchar(128) not null,
+    constraint account_t_pk primary key (id)
+);
+
+alter table account_t rename column comment to description;
+
+
+
 create sequence tenant_s
     start with 1
     increment by 1;
 
 create table tenant_t (
-    id integer primary key not null default nextval('tenant_s'),
+    id integer not null default nextval('tenant_s'),
     salutation varchar(128) default null,
     firstname varchar(128) default null,
     lastname varchar(128) not null,
@@ -14,61 +28,126 @@ create table tenant_t (
     city varchar(128) default null,
     phone1 varchar(64) default null,
     phone2 varchar(64) default null,
-    iban varchar(34) default null
+    iban varchar(34) default null,
+    account integer not null,
+    constraint tenant_t_pk primary key (id),
+    constraint tenant_t_account_uk unique (id),
+    constraint tenant_t_account_fk foreign key (account) references account_t (id)
 );
 
+alter table tenant_t rename column account to fee_account;
+
+alter table tenant_t add column overhead_account integer;
+alter table tenant_t add constraint tenant_t_overhead_account_fk foreign key (overhead_account) references account_t (id);
+
+alter table tenant_t add column disposit_account integer;
+alter table tenant_t add constraint tenant_t_disposit_account_fk foreign key (disposit_account) references account_t (id);
+
+alter table tenant_t alter column overhead_account set not null;
+alter table tenant_t alter column disposit_account set not null;
+
+
 create sequence premise_s
     start with 1
     increment by 1;
 
 create table premise_t (
-    id integer primary key not null default nextval('premise_s'),
+    id integer not null default nextval('premise_s'),
     street varchar(128) not null,
     zip varchar(10) not null,
-    city varchar(128) not null
+    city varchar(128) not null,
+    constraint premise_t_pk primary key (id)
 );
 
-create sequence rented_object_s
+create sequence flat_s
     start with 1
     increment by 1;
 
-create table rented_object_t (
-    id integer primary key not null default nextval('rented_object_s'),
-    comment varchar(32) default null,
-    premise integer references premise_t(id)
-);
-
 create table flat_t (
+    id integer not null default nextval('flat_s'),
+    description varchar(32) default null,
+    premise integer,
     area numeric(10,2) not null,
-    flat_no integer default null
-) inherits (rented_object_t);
+    flat_no integer default null,
+    constraint flat_t_pk primary key (id),
+    constraint flat_t_premise_fk foreign key (premise) references premise_t (id)
+);
 
 create sequence overhead_advance_s
     start with 1
     increment by 1;
 
 create table overhead_advance_t (
-    id integer primary key not null default nextval('overhead_advance_s'),
-    comment varchar(128) default null,
-    rented_object integer not null references rented_object_t(id),
+    id integer not null default nextval('overhead_advance_s'),
+    description varchar(128) default null,
     amount numeric(10, 4) not null,
     startdate date default null,
-    enddate date default null
+    enddate date default null,
+    constraint overhead_advance_t_pk primary key (id)
 );
 
-create table parking_t (
 
-) inherits (rented_object_t);
+create sequence overhead_advance_flat_mapping_s
+    start with 1
+    increment by 1;
+
+create table overhead_advance_flat_mapping_t (
+    id integer not null default nextval('overhead_advance_flat_mapping_s'),
+    overhead_advance integer not null,
+    flat integer not null,
+    constraint overhead_advance_flat_mapping_t_pk primary key (id),
+    constraint overhead_advance_flat_mapping_t_overhead_advance_fk foreign key (overhead_advance) references overhead_advance_t (id),
+    constraint overhead_advance_flat_mapping_t_flat_fk foreign key (flat) references flat_t (id)
+);
+
+
+
+create sequence parking_s
+    start with 1
+    increment by 1;
+
+create table parking_t (
+    id integer not null default nextval('parking_s'),
+    description varchar(32) default null,
+    premise integer,
+    constraint parking_t_pk primary key (id),
+    constraint parking_t_premise_fk foreign key (premise) references premise_t (id)
+);
+
+create sequence commercial_premise_s
+    start with 1
+    increment by 1;
 
 create table commercial_premise_t (
+    id integer not null default nextval('commercial_premise_s'),
+    description varchar(32) default null,
+    premise integer,
+    constraint commercial_premise_t_pk primary key (id),
+    constraint commercial_premise_t_premise_fk foreign key (premise) references premise_t (id)
+);
 
-) inherits (rented_object_t);
+create sequence tenancy_s 
+    start with 1
+    increment by 1;
 
 create table tenancy_t (
-    tenant integer not null references tenant_t(id),
-    rented_object integer not null references rented_object_t(id),
+    id integer not null default nextval('tenancy_s'),
+    tenant integer not null,
+    flat integer default null,
+    parking integer default null,
+    commercial_premise integer default null,
     startdate date not null,
-    enddate date default null
+    enddate date default null,
+    constraint tenancy_t_pk primary key (id),
+    constraint tenancy_t_tenant_fk foreign key (tenant) references tenant_t (id),
+    constraint tenancy_t_flat_fk foreign key (flat) references flat_t (id) match simple,
+    constraint tenancy_t_parking_fk foreign key (parking) references parking_t (id) match simple,
+    constraint tenancy_t_commercial_premise_fk foreign key (commercial_premise) references commercial_premise_t (id) match simple,
+    constraint tenancy_t_only_one_object check (
+        (flat is not null and parking is null and commercial_premise is null) or
+        (flat is null and parking is not null and commercial_premise is null) or
+        (flat is null and parking is null and commercial_premise is not null)
+    )
 );
 
 create sequence fee_s 
@@ -76,16 +155,31 @@ create sequence fee_s
     increment by 1;
 
 create table fee_t (
-    id integer primary key not null default nextval('fee_s'),
+    id integer not null default nextval('fee_s'),
     comment varchar(128) default null,
     amount numeric(10, 2) not null,
     startdate date default null,
-    enddate date default null
+    enddate date default null,
+    constraint fee_t_pk primary key (id)
 );
 
-create table rented_object_fee_mapping_t (
-    rented_object integer not null references rented_object_t(id),
-    fee integer not null references fee_t(id)
+CREATE TYPE fee_type_e AS ENUM ('per_area', 'total');
+
+alter table fee_t add column fee_type fee_type_e;
+ALTER TABLE fee_t ALTER COLUMN fee_type SET NOT NULL;
+
+
+create sequence tenancy_fee_mapping_s
+    start with 1
+    increment by 1;
+
+create table tenancy_fee_mapping_t (
+    id integer not null default nextval('tenancy_fee_mapping_s'),
+    tenancy integer not null,
+    fee integer not null,
+    constraint tenancy_fee_mapping_t_pk primary key (id),
+    constraint tenancy_fee_mapping_t_tenancy_fk foreign key (tenancy) references tenancy_t (id),
+    constraint tenancy_fee_mapping_t_fee_fk foreign key (fee) references fee_t (id)
 );
 
 
@@ -95,11 +189,13 @@ create sequence account_entry_s
     increment by 1;
 
 create table account_entry_t (
-    id integer primary key not null default nextval('account_entry_s'),
-    tenant integer not null references tenant_t(id),
+    id integer not null default nextval('account_entry_s'),
+    account integer not null,
     created_at date not null default now(),
     amount numeric(10, 2) not null,
-    comment varchar(32) not null
+    comment varchar(32) not null,
+    constraint account_entry_t_pk primary key (id),
+    constraint account_entry_t_account_fk foreign key (account) references account_t (id)
 );
 
 

initial/testdata.sql

@@ -0,0 +1,40 @@
+insert into account_t (description) values ('fee testtenant1');
+insert into account_t (description) values ('overhead testtenant1');
+insert into account_t (description) values ('disposit testtenant1');
+
+insert into tenant_t (lastname, fee_account, overhead_account, disposit_account) values (
+    'testtenant1', 
+    (select id from account_t where comment = 'fee testtenant1'),
+    (select id from account_t where comment = 'overhead testtenant1'),
+    (select id from account_t where comment = 'disposit testtenant1'),
+);
+
+insert into premise_t (street, zip, city) values ('Hemsingskotten 38', '45259', 'Essen');
+
+insert into parking_t (description, premise) values ('Garage 1', (select id from premise_t where street = 'Hemsingskotten 38'));
+
+insert into flat_t (description, premise, area, flat_no) values('EG links', (select id from premise_t where street = 'Hemsingskotten 38'), 59.0, 1);
+
+insert into fee_t (comment, amount, fee_type, startdate) values ('Altenwohnung Hemsingskotten', 5.23, 'per_area', '2021-01-01');
+
+insert into fee_t (comment, amount, fee_type, startdate) values ('Garage intern', 30.0, 'total', '2021-01-01');
+
+insert into tenancy_t (tenant, flat, startdate) values (
+    (select id from tenant_t where lastname = 'testtenant1'),
+    (select id from flat_t where flat_no = 1),
+    '2021-06-01'
+);
+
+insert into tenancy_t (tenant, parking, startdate) values (
+    (select id from tenant_t where lastname = 'testtenant1'),
+    (select id from parking_t where description = 'Garage 1'),
+    '2021-06-01'
+);
+
+insert into overhead_advance_t (description, amount, startdate) values ('BKV Altenwohnung Hemsingskotten', 0.34, '2021-01-01');
+
+insert into overhead_advance_flat_mapping_t (overhead_advance, flat) values (
+    (select id from overhead_advance_t where description = 'BKV Altenwohnung Hemsingskotten'),
+    (select id from flat_t where flat_no = 1)
+);
+