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 | Erklärung | Datentyp |
backwardPathLabel (Nur lesen) | The backward path label for the relationship class. | String |
cardinality (Nur lesen) | The cardinality for the relationship class.
| String |
classKey (Nur lesen) | Class key used for the relationship class.
| String |
destinationClassKeys (Nur lesen) | A list of tuples, with the object key name, and key role (DestinationPrimary, DestinationForeign). | tuple |
destinationClassNames (Nur lesen) | A list containing the names of the destination classes. | String |
forwardPathLabel (Nur lesen) | The forward path label for the relationship class. | String |
isAttachmentRelationship (Nur lesen) | Indicates whether the relationship class represents a table attachment. | Boolean |
isAttributed (Nur lesen) | Indicates whether the relationships in this relationship class have attributes. | Boolean |
isComposite (Nur lesen) | Indicates whether the relationship class represents a composite relationship in which the origin object class represents the composite object. | Boolean |
isReflexive (Nur lesen) | Indicates whether the origin and destination sets intersect. | Boolean |
keyType (Nur lesen) | Key type for the relationship class.
| String |
notification (Nur lesen) | The notification direction for the relationship class.
| String |
originClassNames (Nur lesen) | A list containing the names of the origin classes. | String |
originClassKeys (Nur lesen) | A list of tuples, with the object key name, and key role (OriginPrimary, OriginForeign). | tuple |
relationshipRules (Nur lesen) | A list of relationship rule objects that list the properties of the relationship rules that apply to this relationship class. | Object |
splitPolicy (Nur lesen) | The split policy that is set for the relationship class.
| String |
Codebeispiel
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))