SelectExpression.ApplyProjection Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Query.SqlExpressions

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v9.0.0

Overloads

ApplyProjection()	Adds expressions from projection mapping to projection ignoring the shaper expression. This method should only be used when populating projection in subquery.
ApplyProjection(Expression, ResultCardinality, QuerySplittingBehavior)	Adds expressions from projection mapping to projection and generate updated shaper expression for materialization.

ApplyProjection()

Source:

SelectExpression.cs

Adds expressions from projection mapping to projection ignoring the shaper expression. This method should only be used when populating projection in subquery.

public void ApplyProjection ();

member this.ApplyProjection : unit -> unit

Public Sub ApplyProjection ()

ApplyProjection(Expression, ResultCardinality, QuerySplittingBehavior)

Source:

SelectExpression.cs

Adds expressions from projection mapping to projection and generate updated shaper expression for materialization.

public System.Linq.Expressions.Expression ApplyProjection (System.Linq.Expressions.Expression shaperExpression, Microsoft.EntityFrameworkCore.Query.ResultCardinality resultCardinality, Microsoft.EntityFrameworkCore.QuerySplittingBehavior querySplittingBehavior);

member this.ApplyProjection : System.Linq.Expressions.Expression * Microsoft.EntityFrameworkCore.Query.ResultCardinality * Microsoft.EntityFrameworkCore.QuerySplittingBehavior -> System.Linq.Expressions.Expression

Public Function ApplyProjection (shaperExpression As Expression, resultCardinality As ResultCardinality, querySplittingBehavior As QuerySplittingBehavior) As Expression

Parameters

shaperExpression

Expression

Current shaper expression which will shape results of this select expression.

resultCardinality

ResultCardinality

The result cardinality of this query expression.

querySplittingBehavior

QuerySplittingBehavior

The query splitting behavior to use when applying projection for nested collections.

Returns

Expression

Returns modified shaper expression to shape results of this select expression.