TIndexDefs class

Declaration

Inheritance

1. TIndexDefs
2. TDefCollection
3. TOwnedCollection
4. TCollection
5. TPersistent
6. TObject

Descends from it: TServerIndexDefs

Description

TIndexDefs is used to keep a collection of index (sort order) definitions. It can be used by classes that provide in-memory or on-disk indexes to provide a list of available indexes.

See also

• TIndexDef
• Items

Properties

Items

public

Indexed access to the index definitions.

Methods

Create	public	Create a new TIndexDefs instance.
Add	public	Add a new index definition with given name and options.
AddIndexDef	public	Add a new, empty, index definition.
Find	public	Find an index by name.
FindIndexForFields	public	Find index definition based on field names.
GetIndexForFields	public	Get index definition based on field names.
Update	public	Called whenever one of the items changes.

Inherited

From TDefCollection (5)

Dataset GetItemNames IndexOf SetItemName Updated

From TOwnedCollection (1)

GetOwner

From TCollection (26)

Assign BeginUpdate Changed Clear Count Delete Destroy EndUpdate Exchange FindItemID GetAttr GetAttrCount GetEnumerator GetItem GetItemAttr GetNamePath Insert ItemClass Move Notify Owner PropName SetItem SetPropName Sort UpdateCount

From TPersistent (5)

AssignTo DefineProperties FPOAttachObserver FPODetachObserver FPONotifyObservers

From TObject (40)

AfterConstruction BeforeDestruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandler DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName newinstance QualifiedClassName SafeCallException StringMessageTable SystemHasExtendedRTTI ToString UnitName