SqlNullabilityProcessor.VisitSqlUnary Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.Query

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v9.0.0

Source:

SqlNullabilityProcessor.cs

Visits a SqlUnaryExpression and computes its nullability.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitSqlUnary (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression sqlUnaryExpression, bool allowOptimizedExpansion, out bool nullable);

abstract member VisitSqlUnary : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitSqlUnary : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

Protected Overridable Function VisitSqlUnary (sqlUnaryExpression As SqlUnaryExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parameters

sqlUnaryExpression

SqlUnaryExpression

A sql unary expression to visit.

allowOptimizedExpansion

Boolean

A bool value indicating if optimized expansion which considers null value as false value is allowed.

nullable

Boolean

A bool value indicating whether the sql expression is nullable.

Returns

SqlExpression

An optimized sql expression.