TDADelta

From RemObjects Software

This is a Data Abstract Architecture entry
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Overview

The TDADelta class represents a set of changes to be transmitted between client and server. This can be client-side changes that are pending to be applied to the server database, or server-side changes that are being propagated back to the client.

This class is usually access through the IDADelta interface.

File

uDADelta

Declaration

TDADelta = class(TDAEngineBaseObject, IDADelta, IDADataReader);

Hierarchy

• TDAEngineBaseObject
  • TDADelta

Properties

Property	Type	Description
Changes	TDADeltaChange	Provides access to all the individual changes contained in the delta. The indexer is zero-based and the number of elements is indicated by the Count property.
Count	Integer	Indicates the number of Changes contained within the delta.
KeyFieldCount	Integer	Returns the number of fields that comprise the key for this delta.
KeyFieldNames	String	Lists the names of the fields that comprise the key for this delta. The indexer is zero-based and the number of elements is indicated by the KeyFieldCount property.
LoggedFieldCount	Integer	Indicates the number of fields that comprise the data for this delta.
LoggedFieldNames	String	Holds the names of the fields that comprise the data for this delta. The indexer is zero-based and the number of elements is indicated by the LoggedFieldCount property.
LoggedFieldTypes	TDADataType	Lists the data types of the fields that comprise the data for this delta. The indexer is zero-based and the number of elements is indicated by the LoggedFieldCount property.

See Also

• IDADelta
• Lists
  • Class List (Data Abstract for Delphi)
  • Interface List (Data Abstract for Delphi)
  • Enum List (Data Abstract for Delphi)
  • Data Types (Data Abstract)
  • File Types (Data Abstract)

Product: RemObjects Data Abstract
Current version: Data Abstract 'Vinci' (5.0)

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