-- [tanks]

create type tj.tanks_overflow as enum
(
  'yes'
, 'no'
);

create table tj.tanks
(
  id varchar(32) primary key references tj.node(id)
, elevation numeric not null
, initlevel numeric not null
, minlevel numeric not null
, maxlevel numeric not null
, diameter numeric not null
, minvol numeric not null
, volcurve varchar(32) references tj.curve(id)
, overflow tj.tanks_overflow
);