/// <summary> /// This is an internal API that supports the Entity Framework Core infrastructure and not subject to /// the same compatibility standards as public APIs. It may be changed or removed without notice in /// any release. You should only use it directly in your code with extreme caution and knowing that /// doing so can result in application failures when updating to a new Entity Framework Core release. /// </summary> protected override Expression VisitExtension(Expression expression) { var selectExpression = expression as SelectExpression; if (selectExpression?.Predicate != null) { var predicate = new EqualityPredicateInExpressionOptimizer().Visit(selectExpression.Predicate); var predicateNegationExpressionOptimizer = new PredicateNegationExpressionOptimizer(); predicate = predicateNegationExpressionOptimizer.Visit(predicate); predicate = new PredicateReductionExpressionOptimizer().Visit(predicate); predicate = new EqualityPredicateExpandingVisitor().Visit(predicate); predicate = predicateNegationExpressionOptimizer.Visit(predicate); if (_useRelationalNulls) { predicate = new NullCompensatedExpression(predicate); } selectExpression.Predicate = predicate; } else if (expression is PredicateJoinExpressionBase joinExpression) { joinExpression.Predicate = new DiscriminatorPredicateOptimizingVisitor().Visit(joinExpression.Predicate); joinExpression.Predicate = new EqualityPredicateInExpressionOptimizer().Visit(joinExpression.Predicate); } return(base.VisitExtension(expression)); }
/// <summary> /// This API supports the Entity Framework Core infrastructure and is not intended to be used /// directly from your code. This API may change or be removed in future releases. /// </summary> protected override Expression VisitExtension(Expression expression) { var selectExpression = expression as SelectExpression; if (selectExpression?.Predicate != null) { var predicate = new EqualityPredicateInExpressionOptimizer().Visit(selectExpression.Predicate); var predicateNegationExpressionOptimizer = new PredicateNegationExpressionOptimizer(); predicate = predicateNegationExpressionOptimizer.Visit(predicate); predicate = new PredicateReductionExpressionOptimizer().Visit(predicate); predicate = new EqualityPredicateExpandingVisitor().Visit(predicate); predicate = predicateNegationExpressionOptimizer.Visit(predicate); if (_useRelationalNulls) { predicate = new NotNullableExpression(predicate); } selectExpression.Predicate = predicate; } return(base.VisitExtension(expression)); }
public override Expression Visit([NotNull] Expression node) { node = new EqualityPredicateInExpressionOptimizer().Visit(node); var predicateNegationExpressionOptimizer = new PredicateNegationExpressionOptimizer(); node = predicateNegationExpressionOptimizer.Visit(node); node = new EqualityPredicateExpandingVisitor().Visit(node); node = predicateNegationExpressionOptimizer.Visit(node); if (_useRelationalNulls) { node = new NotNullableExpression(node); } return(node); }
/// <summary> /// This API supports the Entity Framework Core infrastructure and is not intended to be used /// directly from your code. This API may change or be removed in future releases. /// </summary> public override Expression Visit(Expression expression) { if (expression != null) { expression = new EqualityPredicateInExpressionOptimizer().Visit(expression); var predicateNegationExpressionOptimizer = new PredicateNegationExpressionOptimizer(); expression = predicateNegationExpressionOptimizer.Visit(expression); expression = new PredicateReductionExpressionOptimizer().Visit(expression); expression = new EqualityPredicateExpandingVisitor().Visit(expression); expression = predicateNegationExpressionOptimizer.Visit(expression); if (_useRelationalNulls) { expression = new NotNullableExpression(expression); } } return(expression); }