Table cxgn.public.cvtermpath

The reflexive transitive closure of
the cvterm_relationship relation. For a full discussion, see the file
populating-cvtermpath.txt in this directory

Generated by
SchemaSpy

Legend:

Primary key columns

Columns with indexes

Implied relationships

Excluded column relationships

Dashed lines show
implied relationships

< n > number of related tables

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Column

Type

Size

Nulls

Auto

Default

Children

Parents

Comments

cvtermpath_id

serial

√

nextval('cvtermpath_cvtermpath_id_seq'::regclass)

type_id

int4

√

null

cvterm.cvterm_id

cvtermpath_type_id_fkey

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

subject_id

int4

cvterm.cvterm_id

cvtermpath_subject_id_fkey

object_id

int4

cvterm.cvterm_id

cvtermpath_object_id_fkey

cv_id

int4

cv.cv_id

cvtermpath_cv_id_fkey

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

pathdistance

int4

√

null

The number of steps
required to get from the subject cvterm to the object cvterm, counting
from zero (reflexive relationship)

Table contained 0 rows at Wed May 20 01:40 EDT 2009

Indexes:

Column(s)	Type	Sort	Constraint Name
cvtermpath_id	Primary key	Asc	cvtermpath_pkey
subject_id + object_id + type_id + pathdistance	Must be unique	Asc/Asc/Asc/Asc	cvtermpath_c1
type_id	Performance	Asc	cvtermpath_idx1
subject_id	Performance	Asc	cvtermpath_idx2
object_id	Performance	Asc	cvtermpath_idx3
cv_id	Performance	Asc	cvtermpath_idx4