Class SqlPredicate.IsNull

Namespace

LinqToDB.SqlQuery

Assembly

linq2db.dll

public class SqlPredicate.IsNull : SqlPredicate.BaseNotExpr, ISqlPredicate, IQueryElement, ISqlExpressionWalkable, IInvertibleElement

Inheritance

object

SqlPredicate

SqlPredicate.Expr

SqlPredicate.BaseNotExpr

SqlPredicate.IsNull

Implements

ISqlPredicate

IQueryElement

ISqlExpressionWalkable

IInvertibleElement

Inherited Members

SqlPredicate.BaseNotExpr.CanInvert()

SqlPredicate.BaseNotExpr.Equals(ISqlPredicate, Func<ISqlExpression, ISqlExpression, bool>)

SqlPredicate.BaseNotExpr.IsNot

SqlPredicate.Expr.Walk<TContext>(WalkOptions, TContext, Func<TContext, ISqlExpression, ISqlExpression>)

SqlPredicate.Expr.Expr1

SqlPredicate.Expr.CanBeNull

SqlPredicate.Precedence

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Extension Methods

QueryHelper.CanBeEvaluated(IQueryElement, EvaluationContext)

QueryHelper.CanBeEvaluated(IQueryElement, bool)

QueryHelper.EvaluateBoolExpression(IQueryElement, EvaluationContext, bool?)

QueryHelper.EvaluateExpression(IQueryElement, EvaluationContext)

QueryHelper.IsMutable(IQueryElement)

QueryHelper.ToDebugString(IQueryElement)

QueryHelper.TryEvaluateExpression(IQueryElement, EvaluationContext, out object?)

QueryVisitorExtensions.Find(IQueryElement?, QueryElementType)

QueryVisitorExtensions.Find(IQueryElement?, Func<IQueryElement, bool>)

QueryVisitorExtensions.Find<TContext>(IQueryElement?, TContext, Func<TContext, IQueryElement, bool>)

QueryVisitorExtensions.Visit(IQueryElement, Action<IQueryElement>)

QueryVisitorExtensions.Visit<TContext>(IQueryElement, TContext, Action<TContext, IQueryElement>)

QueryVisitorExtensions.VisitAll(IQueryElement, Action<IQueryElement>)

QueryVisitorExtensions.VisitAll<TContext>(IQueryElement, TContext, Action<TContext, IQueryElement>)

QueryVisitorExtensions.VisitParentFirst(IQueryElement, Func<IQueryElement, bool>)

QueryVisitorExtensions.VisitParentFirst<TContext>(IQueryElement, TContext, Func<TContext, IQueryElement, bool>)

QueryVisitorExtensions.VisitParentFirstAll(IQueryElement, Func<IQueryElement, bool>)

QueryVisitorExtensions.VisitParentFirstAll<TContext>(IQueryElement, TContext, Func<TContext, IQueryElement, bool>)

Sql.IsDistinctFrom<T>(T, T)

Sql.IsNotDistinctFrom<T>(T, T)

QueryVisitorExtensions.Clone<T>(T?)

QueryVisitorExtensions.Clone<T>(T?, Dictionary<IQueryElement, IQueryElement>)

QueryVisitorExtensions.Clone<T>(T?, Func<IQueryElement, bool>)

QueryVisitorExtensions.Clone<T, TContext>(T?, TContext, Dictionary<IQueryElement, IQueryElement>, Func<TContext, IQueryElement, bool>)

QueryVisitorExtensions.Clone<T, TContext>(T?, TContext, Func<TContext, IQueryElement, bool>)

QueryVisitorExtensions.Convert<T>(T, Func<ConvertVisitor<object?>, IQueryElement, IQueryElement>, bool)

QueryVisitorExtensions.Convert<T>(T, Func<ConvertVisitor<object?>, IQueryElement, IQueryElement>)

QueryVisitorExtensions.Convert<TContext, T>(T, TContext, bool, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>, bool)

QueryVisitorExtensions.Convert<TContext, T>(T, TContext, bool, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>)

QueryVisitorExtensions.Convert<TContext, T>(T, TContext, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>, bool)

QueryVisitorExtensions.Convert<TContext, T>(T, TContext, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>)

QueryVisitorExtensions.ConvertAll<T>(T, bool, Func<ConvertVisitor<object?>, IQueryElement, IQueryElement>)

QueryVisitorExtensions.ConvertAll<TContext, T>(T, TContext, bool, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>)

QueryVisitorExtensions.ConvertAll<TContext, T>(T, TContext, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>, Func<ConvertVisitor<TContext>, bool>)

QueryVisitorExtensions.ConvertAll<TContext, T>(T, TContext, Func<ConvertVisitor<TContext>, IQueryElement, IQueryElement>)

SqlExtensions.In<T>(T, T, T, T)

SqlExtensions.In<T>(T, T, T)

SqlExtensions.In<T>(T, params T[])

SqlExtensions.In<T>(T, IEnumerable<T>)

SqlExtensions.In<T>(T, IQueryable<T>)

SqlExtensions.NotIn<T>(T, T, T, T)

SqlExtensions.NotIn<T>(T, T, T)

SqlExtensions.NotIn<T>(T, params T[])

SqlExtensions.NotIn<T>(T, IEnumerable<T>)

SqlExtensions.NotIn<T>(T, IQueryable<T>)

Constructors

IsNull(ISqlExpression, bool)

public IsNull(ISqlExpression exp1, bool isNot)

Parameters

exp1 ISqlExpression

isNot bool

Properties

ElementType

public override QueryElementType ElementType { get; }

Property Value

QueryElementType

Methods

Invert()

public override IQueryElement Invert()

Returns

IQueryElement

ToString(StringBuilder, Dictionary<IQueryElement, IQueryElement>)

protected override void ToString(StringBuilder sb, Dictionary<IQueryElement, IQueryElement> dic)

Parameters

sb StringBuilder

dic Dictionary<IQueryElement, IQueryElement>