RelationshipClass properties (arcpy)

Summary

The Describe function returns the following properties for Relationship Classes. Also supported are GDB Table Properties, Table Properties, and Dataset Properties.

A Relationship Class returns a dataType of "RelationshipClass".

Properties

Property	Explanation	Data Type
backwardPathLabel (Read Only)	The backward path label for the relationship class.	String
cardinality (Read Only)	The cardinality for the relationship class. OnetoOne OneToMany ManyToMany	String
classKey (Read Only)	Class key used for the relationship class. Undefined ClassID ClassCode	String
destinationClassNames (Read Only)	A list containing the names of the destination classes.	String
forwardPathLabel (Read Only)	The forward path label for the relationship class.	String
isAttachmentRelationship (Read Only)	Indicates if the relationship class represents a table attachment.	Boolean
isAttributed (Read Only)	Indicates if the relationships in this relationship class have attributes.	Boolean
isComposite (Read Only)	Indicates if the relationship class represents a composite relationship in which the origin object class represents the composite object.	Boolean
isReflexive (Read Only)	Indicates if the origin and destination sets intersect.	Boolean
keyType (Read Only)	Key type for the relationship class. Single Dual	String
notification (Read Only)	The notification direction for the relationship class. None Forward Backward Both	String
originClassNames (Read Only)	A list containing the names of the origin classes.	String

Code Sample

RelationshipClass properties example (stand-alone script)

The following stand-alone script displays properties for a relationship class.

import arcpy

# Create a Describe object
#
desc = arcpy.Describe("C:/data/moad.gdb/West/bapCompAttRel")

# Print relationship class properties
#
print "%-25s %s" % ("Backward Path Label:", desc.backwardPathLabel)
print "%-25s %s" % ("Cardinality:", desc.cardinality)
print "%-25s %s" % ("Class key:", desc.classKey)
print "%-25s %s" % ("Destination Class Names:", desc.destinationClassNames)
print "%-25s %s" % ("Forward Path Label:", desc.forwardPathLabel) 
print "%-25s %s" % ("Is Attributed:", desc.isAttributed)
print "%-25s %s" % ("Is Composite:", desc.isComposite) 
print "%-25s %s" % ("Is Reflexive:", desc.isReflexive)
print "%-25s %s" % ("Key Type:", desc.keyType)
print "%-25s %s" % ("Notification Direction:", desc.notification)
print "%-25s %s" % ("Origin Class Names:", desc.originClassNames)