-- The cvterm module design is based on the ontology
-- ================================================
-- TABLE: cv
-- ================================================
create table cv (
cv_id serial not null,
primary key (cv_id),
cvname varchar not null,
cvdefinition text,
unique(cvname)
);
-- ================================================
-- TABLE: cvterm
-- ================================================
create table cvterm (
cvterm_id serial not null,
primary key (cvterm_id),
cv_id int not null,
foreign key (cv_id) references cv (cv_id),
name varchar(255) not null,
termdefinition text,
-- the primary dbxref for this term. Other dbxrefs may be cvterm_dbxref
dbxref_id int,
foreign key (dbxref_id) references dbxref (dbxref_id),
unique(termname, cv_id)
-- The unique key on termname, termtype_id ensures that all terms are
-- unique within a given cv
);
create index cvterm_idx1 on cvterm (cv_id);
-- ================================================
-- TABLE: cvrelationship
-- ================================================
create table cvrelationship (
cvrelationship_id serial not null,
primary key (cvrelationship_id),
reltype_id int not null,
foreign key (reltype_id) references cvterm (cvterm_id),
subjterm_id int not null,
foreign key (subjterm_id) references cvterm (cvterm_id),
objterm_id int not null,
foreign key (objterm_id) references cvterm (cvterm_id),
unique(reltype_id, subjterm_id, objterm_id)
);
create index cvrelationship_idx1 on cvrelationship (reltype_id);
create index cvrelationship_idx2 on cvrelationship (subjterm_id);
create index cvrelationship_idx3 on cvrelationship (objterm_id);
-- ================================================
-- TABLE: cvpath
-- ================================================
create table cvpath (
cvpath_id serial not null,
primary key (cvpath_id),
reltype_id int,
foreign key (reltype_id) references cvterm (cvterm_id),
subjterm_id int not null,
foreign key (subjterm_id) references cvterm (cvterm_id),
objterm_id int not null,
foreign key (objterm_id) references cvterm (cvterm_id),
cv_id int not null,
foreign key (cv_id) references cv (cv_id),
pathdistance int,
unique (subjterm_id, objterm_id)
);
create index cvpath_idx1 on cvpath (reltype_id);
create index cvpath_idx2 on cvpath (subjterm_id);
create index cvpath_idx3 on cvpath (objterm_id);
create index cvpath_idx4 on cvpath (cv_id);
-- ================================================
-- TABLE: cvtermsynonym
-- ================================================
create table cvtermsynonym (
cvterm_id int not null,
foreign key (cvterm_id) references cvterm (cvterm_id),
termsynonym varchar(255) not null,
unique(cvterm_id, termsynonym)
);
create index cvterm_synonym_idx1 on cvterm_synonym (cvterm_id);
-- ================================================
-- TABLE: cvterm_dbxref
-- ================================================
create table cvterm_dbxref (
cvterm_dbxref_id serial not null,
primary key (cvterm_dbxref_id),
cvterm_id int not null,
foreign key (cvterm_id) references cvterm (cvterm_id),
dbxref_id int not null,
foreign key (dbxref_id) references dbxref (dbxref_id),
unique(cvterm_id, dbxref_id)
);
create index cvterm_dbxref_idx1 on cvterm_dbxref (cvterm_id);
create index cvterm_dbxref_idx2 on cvterm_dbxref (dbxref_id);