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The reflexive transitive closure of the cvterm_relationship relation.
|cvtermpath_id||serial|| PRIMARY KEY|
The relationship type that this is a closure over. If null, then this is a closure over ALL relationship types. If non-null, then this references a relationship cvterm - note that the closure will apply to both this relationship AND the OBO_REL:is_a (subclass) relationship.
|cv||cv_id||integer|| NOT NULL|
Closures will mostly be within one cv. If the closure of a relationship traverses a cv, then this refers to the cv of the object_id cvterm.
The number of steps required to get from the subject cvterm to the object cvterm, counting from zero (reflexive relationship).
Tables referencing cvtermpath via foreign key constraints: