[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Model of relationships between streams based on properties in both streams that are specified as equal in a filter expression.

The following tables list the members exposed by the QueryGraph type.

Public Methods

  NameDescription
Add
Add properties for 2 streams that are equal.

Equals (Inherited from Object.)
static memberFillEquivalentNav
Fill in equivalent key properties (navigation entries) on all streams. For example, if a=b and b=c then add a=c. The method adds new equalivalent key properties until no additional entries to be added are found, ie. several passes can be made.

GetHashCode (Inherited from Object.)
GetIndexProperties
Returns index properties.

GetKeyProperties
Returns key properties.

GetNavigableStreams
Returns set of streams that the given stream is navigable to.

GetType (Inherited from Object.)
IsNavigable
Returns true if there is a relationship between streams via equal properties.

ToString
Returns a String that represents the current Object.
(Overrides .ToString().)

Protected Methods

  NameDescription
Finalize (Inherited from Object.)
MemberwiseClone (Inherited from Object.)

Public Constructors

  NameDescription
QueryGraphNew
Ctor.

Public Properties

  NameDescription
NumStreams
Returns the number of streams.