SqlNullabilityProcessor.VisitScalarSubquery Method
Definition
Important
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Visits a ScalarSubqueryExpression and computes its nullability.
protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitScalarSubquery (Microsoft.EntityFrameworkCore.Query.SqlExpressions.ScalarSubqueryExpression scalarSubqueryExpression, bool allowOptimizedExpansion, out bool nullable);
abstract member VisitScalarSubquery : Microsoft.EntityFrameworkCore.Query.SqlExpressions.ScalarSubqueryExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitScalarSubquery : Microsoft.EntityFrameworkCore.Query.SqlExpressions.ScalarSubqueryExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Protected Overridable Function VisitScalarSubquery (scalarSubqueryExpression As ScalarSubqueryExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression
Parameters
- scalarSubqueryExpression
- ScalarSubqueryExpression
A scalar subquery 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
An optimized sql expression.
Applies to
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