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DbFunctionCommandTree Class

  • Reference

Definition

Namespace:
System.Data.Entity.Core.Common.CommandTrees
Assembly:
EntityFramework.dll

Represents the invocation of a database function.

public sealed class DbFunctionCommandTree : System.Data.Entity.Core.Common.CommandTrees.DbCommandTree
type DbFunctionCommandTree = class
    inherit DbCommandTree
Public NotInheritable Class DbFunctionCommandTree
Inherits DbCommandTree
Inheritance
Object
DbCommandTree
DbFunctionCommandTree

Constructors

DbFunctionCommandTree(MetadataWorkspace, DataSpace, EdmFunction, TypeUsage, IEnumerable<KeyValuePair<String,TypeUsage>>)

Constructs a new DbFunctionCommandTree that uses the specified metadata workspace, data space and function metadata

Properties

CommandTreeKind

Gets or sets the command tree kind.
DataSpace

Gets the data space in which metadata used by this command tree must reside.

(Inherited from DbCommandTree)
EdmFunction

Gets the EdmFunction that represents the function that is being invoked.
MetadataWorkspace

Gets the metadata workspace used by this command tree.

(Inherited from DbCommandTree)
Parameters

Gets the name and corresponding type of each parameter that can be referenced within this DbCommandTree .

(Inherited from DbCommandTree)
ResultType

Gets the expected result type for the function’s first result set.
UseDatabaseNullSemantics

Gets a value indicating whether database null semantics are exhibited when comparing two operands, both of which are potentially nullable. The default value is true.

For example (operand1 == operand2) will be translated as:

(operand1 = operand2)

if UseDatabaseNullSemantics is true, respectively

(((operand1 = operand2) AND (NOT (operand1 IS NULL OR operand2 IS NULL))) OR ((operand1 IS NULL) AND (operand2 IS NULL)))

if UseDatabaseNullSemantics is false.

(Inherited from DbCommandTree)

Methods

ToString()

Returns a String that represents this command.

(Inherited from DbCommandTree)

Applies to