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DbCommandTree Class

  • Reference

Definition

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

An immutable class that implements the basic functionality for the Query, Insert, Update, Delete, and function invocation command tree types.

public abstract class DbCommandTree
type DbCommandTree = class
Public MustInherit Class DbCommandTree
Inheritance
Object
DbCommandTree
Derived

Properties

CommandTreeKind

Gets the kind of this command tree.
DataSpace

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

Gets the metadata workspace used by this command tree.
Parameters

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

Methods

ToString()

Returns a String that represents this command.

Applies to