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persistent class %iKnow.Objects.CcUnique extends %Persistent

Note: the use of this class is no longer recommended for accessing elements of a specific domain. For those scenarios, %iKnow.Tables.Utils offers a more flexible and customizable way of projecting iKnow domain data to SQL

This is a read-only object representation wrapping the internal iKnow data structures for unique CCs.

This class can be used from ObjectScript or SQL to access a single or small number of entries, but the storage mappings are not meant to support elaborate or complex queries targeting this SQL table.

Please use the predefined queries in %iKnow.Queries.CcAPI and other query classes to consult CC data as the internal global structures are designed to optimize performance for these queries rather than general-purpose access.

NOTE: This object assumes all underlying data structures are present. Use domain-specific copies of these objects for domains where not all indices are built. See also the GenerateAllObjectsForDomain() method in %iKnow.Objects.Utils.


Parameters Properties Methods Queries Indices ForeignKeys Triggers
1 8 4


CcUniId CorpusFrequency CorpusSpread DomainId
Master MasterId Slave SlaveId
%AddToSaveSet %AddToSyncSet %BuildIndicesAsync %BuildIndicesAsyncResponse
%CheckConstraints %CheckConstraintsForExtent %ClassIsLatestVersion %ClassName
%ComposeOid %ConstructClone %Delete %DeleteExtent
%DeleteId %DispatchClassMethod %DispatchGetModified %DispatchGetProperty
%DispatchMethod %DispatchSetModified %DispatchSetMultidimProperty %DispatchSetProperty
%Exists %ExistsId %Extends %GUID
%GUIDSet %GetLock %GetParameter %GetSwizzleObject
%Id %IsA %IsModified %IsNull
%KillExtent %LockExtent %LockId %New
%NormalizeObject %ObjectIsNull %ObjectModified %Oid
%OnBeforeAddToSync %OnDetermineClass %Open %OpenId
%OriginalNamespace %PackageName %PurgeIndices %Reload
%RemoveFromSaveSet %ResolveConcurrencyConflict %RollBack %Save
%SaveDirect %SerializeObject %SetModified %SortBegin
%SortEnd %SyncObjectIn %SyncTransport %UnlockExtent
%UnlockId %ValidateIndices %ValidateObject


parameter READONLY = 1;
READONLY = 1 means that objects can be created, opened but not saved or deleted. Tables are projected to SQL as READONLY.


property CcUniId as %Integer;
property CorpusFrequency as %Integer [ Calculated ];
property CorpusSpread as %Integer [ Calculated ];
property DomainId as %Integer;
property Master as %iKnow.Objects.EntityUnique [ Calculated ];
property MasterId as %Integer;
property Slave as %iKnow.Objects.EntityUnique [ Calculated ];
property SlaveId as %Integer;


•index (CcUni on DomainId,MasterId,SlaveId) [Unique];
•index (CcUniIdFreq on DomainId,CorpusFrequency);
•index (CcUniIdSpread on DomainId,CorpusSpread);
•index (PKINDEX on DomainId,CcUniId) [IdKey,PrimaryKey,Unique];