Class SqlAliasPlaceholder

Namespace

LinqToDB.Internal.SqlQuery

Assembly

linq2db.dll

public sealed class SqlAliasPlaceholder : SqlExpressionBase, ISqlExpression, IQueryElement, IEquatable<ISqlExpression>

Inheritance

object

QueryElement

SqlExpressionBase

SqlAliasPlaceholder

Implements

ISqlExpression

IQueryElement

IEquatable<ISqlExpression>

Inherited Members

QueryElement.ReferenceComparer

Extension Methods

Utils.IsNullValue(object?)

QueryHelper.CanBeEvaluated(IQueryElement, EvaluationContext)

QueryHelper.CanBeEvaluated(IQueryElement, bool)

QueryHelper.EvaluateBoolExpression(IQueryElement, EvaluationContext, bool?)

QueryHelper.EvaluateExpression(IQueryElement, EvaluationContext)

QueryHelper.HasElement(IQueryElement, IQueryElement)

QueryHelper.HasParameter(IQueryElement)

QueryHelper.HasQueryParameter(IQueryElement)

QueryHelper.IsMutable(IQueryElement)

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

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

QueryVisitorExtensions.Find(IQueryElement?, QueryElementType)

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

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

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

QueryVisitorExtensions.Visit(IQueryElement, Action<IQueryElement>)

QueryVisitorExtensions.VisitAll(IQueryElement, Action<IQueryElement>)

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

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

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

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

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

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

QueryHelper.CanBeNullableOrUnknown(ISqlExpression, NullabilityContext, bool)

QueryHelper.IsNullValue(ISqlExpression)

QueryHelper.IsPredicate(ISqlExpression)

QueryHelper.ShouldCheckForNull(ISqlExpression, NullabilityContext)

ISqlExpressionExtensions.AreEqual(ISqlExpression?, ISqlExpression?, Func<ISqlExpression, ISqlExpression, bool>)

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

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

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

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

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

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

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

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

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

QueryVisitorExtensions.Replace<T>(T, IDictionary<IQueryElement, IQueryElement>, params IQueryElement[])

Sql.IsDistinctFrom<T>(T, T)

Sql.IsNotDistinctFrom<T>(T, T)

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

SqlExtensions.In<T>(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)

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

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

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

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

Fields

Instance

public static readonly SqlAliasPlaceholder Instance

Field Value

SqlAliasPlaceholder

Properties

ElementType

AST node type.

public override QueryElementType ElementType { get; }

Property Value

QueryElementType

Precedence

public override int Precedence { get; }

Property Value

int

SystemType

public override Type SystemType { get; }

Property Value

Type

Methods

CanBeNullable(NullabilityContext)

public override bool CanBeNullable(NullabilityContext nullability)

Parameters

nullability NullabilityContext

Returns

bool

Equals(ISqlExpression?)

Indicates whether the current object is equal to another object of the same type.

public override bool Equals(ISqlExpression? other)

Parameters

other ISqlExpression

An object to compare with this object.

Returns

bool

true if the current object is equal to the other parameter; otherwise, false.

Equals(ISqlExpression, Func<ISqlExpression, ISqlExpression, bool>)

public override bool Equals(ISqlExpression other, Func<ISqlExpression, ISqlExpression, bool> comparer)

Parameters

other ISqlExpression

comparer Func<ISqlExpression, ISqlExpression, bool>

Returns

bool

GetElementHashCode()

public override int GetElementHashCode()

Returns

int

ToString(QueryElementTextWriter)

Generates debug text representation of AST node.

public override QueryElementTextWriter ToString(QueryElementTextWriter writer)

Parameters

writer QueryElementTextWriter

Returns

QueryElementTextWriter