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DbFunctionAggregate Class

.NET Framework 4.5

Other Versions

Supports standard aggregate functions, such as MIN, MAX, AVG, SUM, and so on. This class cannot be inherited.

Inheritance Hierarchy

System.Object
System.Data.Common.CommandTrees.DbAggregate
System.Data.Common.CommandTrees.DbFunctionAggregate

Namespace: System.Data.Common.CommandTrees
Assembly: System.Data.Entity (in System.Data.Entity.dll)

Syntax

C++

public sealed class DbFunctionAggregate : DbAggregate

The DbFunctionAggregate type exposes the following members.

Properties

	Name	Description
	Arguments	Gets the list of expressions that define the arguments to this DbAggregate. (Inherited from DbAggregate.)
	Distinct	Gets a value indicating whether this aggregate is a distinct aggregate.
	Function	Gets the method metadata that specifies the aggregate function to invoke.
	ResultType	Gets the result type of this DbAggregate. (Inherited from DbAggregate.)

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Methods

	Name	Description
	Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Extension Methods

	Name	Description
	As	Returns the specified arguments as a key/value pair object. (Defined by DbExpressionBuilder.)

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Remarks

This aggregate type corresponds to the invocation of an aggregate function.

Aggregates are pseudo-expressions, and can only appear in the aggregates clause of a GroupBy expression.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Reference

System.Data.Common.CommandTrees Namespace

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