RelationshipClass properties

Zusammenfassung

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

A Relationship Class returns a dataType of "RelationshipClass".

Eigenschaften

Eigenschaft	Erläuterung	Datentyp
backwardPathLabel (Schreibgeschützt)	The backward path label for the relationship class.	String
cardinality (Schreibgeschützt)	The cardinality for the relationship class. OneToOne OneToMany ManyToMany	String
classKey (Schreibgeschützt)	Class key used for the relationship class. Undefined ClassID ClassCode	String
destinationClassKeys (Schreibgeschützt)	A list of tuples, with the object key name, and key role (DestinationPrimary, DestinationForeign).	tuple
destinationClassNames (Schreibgeschützt)	A list containing the names of the destination classes.	String
forwardPathLabel (Schreibgeschützt)	The forward path label for the relationship class.	String
isAttachmentRelationship (Schreibgeschützt)	Indicates whether the relationship class represents a table attachment.	Boolean
isAttributed (Schreibgeschützt)	Indicates whether the relationships in this relationship class have attributes.	Boolean
isComposite (Schreibgeschützt)	Indicates whether the relationship class represents a composite relationship in which the origin object class represents the composite object.	Boolean
isReflexive (Schreibgeschützt)	Indicates whether the origin and destination sets intersect.	Boolean
keyType (Schreibgeschützt)	Key type for the relationship class. Single Dual	String
notification (Schreibgeschützt)	The notification direction for the relationship class. None Forward Backward Both	String
originClassNames (Schreibgeschützt)	A list containing the names of the origin classes.	String
originClassKeys (Schreibgeschützt)	A list of tuples, with the object key name, and key role (OriginPrimary, OriginForeign).	tuple
relationshipRules (Schreibgeschützt)	A list of relationship rule objects that list the properties of the relationship rules that apply to this relationship class.	Object
splitPolicy (Schreibgeschützt)	The split policy that is set for the relationship class. DuplicateRelatedObjects UseDefault	String

Codebeispiel

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 ("Backward Path Label: {}".format(desc.backwardPathLabel))
print ("Cardinality: {}".format(desc.cardinality))
print ("Class key: {}".format(desc.classKey))
print ("Destination Class Names: {}".format(desc.destinationClassNames))
print ("Forward Path Label: {}".format(desc.forwardPathLabel)) 
print ("Is Attributed: {}".format(desc.isAttributed))
print ("Is Composite: {}".format(desc.isComposite)) 
print ("Is Reflexive: {}".format(desc.isReflexive))
print ("Key Type: {}".format(desc.keyType))
print ("Notification Direction: {}".format(desc.notification))
print ("Origin Class Names: {}".format(desc.originClassNames))