IndexingHintAction Enumeration | ComponentOne Data Source for Entity Framework

IndexingHintAction Enumeration

In This Topic

Specifies the actions taken by LiveLinq query optimizer when it encounters an Indexed() hint applied to an expression (usually, a property) in a query.

Syntax

Visual Basic
C#

'Declaration
 
Public Enum IndexingHintAction 
   Inherits System.Enum

public enum IndexingHintAction : System.Enum

Members

Member	Description
Mandatory	Create an index for this expression, if such index does not already exist. Use this index in executing the query (perform an index scan using that index). Throw an exception if it is impossible to use it in query execution.
Optional	Create an index for this expression, if such index does not already exist. Use this index in executing the query, if it is possible. Do not throw exception if it is impossible to use that index in query execution.
UseExistingIndex	Check that there exists an index for this expression. If it does not exist, throw an exception. Use this index in executing the query. Throw an exception if it is impossible to use this index in query execution.

Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         C1.LiveLinq.IndexingHintAction

Reference

C1.LiveLinq Namespace