Unit 'DB' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#fcl]

TIndexDef

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Index definition.

Declaration

Source position: db.pas line 1245

type TIndexDef = class(TNamedItem)

public

  constructor Create(); overload;

  

Create a new index definition.

published

  property Expression: string; [rw]

  

Expression that makes up the index values.

  property Fields: string; [rw]

  

Fields making up the index.

  property CaseInsFields: string; [rw]

  

Fields in field list that are ordered case-insensitively.

  property DescFields: string; [rw]

  

Fields in field list that are ordered descending.

  property Options: TIndexOptions; [rw]

  

Index options.

  property Source: string; [rw]

  

Source of the index.

end;

Inheritance

TIndexDef

  

Index definition.

|

TNamedItem

  

Named collection item.

|

TCollectionItem

|

TPersistent

|

TObject,IFPObserved

Description

TIndexDef describes one index in a set of indexes of a TDataset instance. The collection of indexes is described by the TIndexDefs class. It just has the necessary properties to describe an index, but does not implement any functionality to maintain an index.

See also

TIndexDefs

  

A class to keep a list of index definitions.


Documentation generated on: Dec 22 2024