--- /dev/null
+-- 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);
+