Class SqlExpression

Namespace

LinqToDB.SqlQuery

Assembly

linq2db.dll

public class SqlExpression : ISqlExpression, IQueryElement, IEquatable<ISqlExpression>, ISqlExpressionWalkable

Inheritance

object

SqlExpression

Implements

ISqlExpression

IQueryElement

IEquatable<ISqlExpression>

ISqlExpressionWalkable

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.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.GetExpressionType(ISqlExpression)

QueryHelper.IsComplexExpression(ISqlExpression)

QueryHelper.ShouldCheckForNull(ISqlExpression)

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.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>)

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

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

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

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

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

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

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

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>)

Constructors

SqlExpression(string, params ISqlExpression[])

public SqlExpression(string expr, params ISqlExpression[] parameters)

Parameters

expr string

parameters ISqlExpression[]

SqlExpression(string, int, params ISqlExpression[])

public SqlExpression(string expr, int precedence, params ISqlExpression[] parameters)

Parameters

expr string

precedence int

parameters ISqlExpression[]

SqlExpression(Type?, string, params ISqlExpression[])

public SqlExpression(Type? systemType, string expr, params ISqlExpression[] parameters)

Parameters

systemType Type

expr string

parameters ISqlExpression[]

SqlExpression(Type?, string, int, params ISqlExpression[])

public SqlExpression(Type? systemType, string expr, int precedence, params ISqlExpression[] parameters)

Parameters

systemType Type

expr string

precedence int

parameters ISqlExpression[]

SqlExpression(Type?, string, int, SqlFlags, params ISqlExpression[])

public SqlExpression(Type? systemType, string expr, int precedence, SqlFlags flags, params ISqlExpression[] parameters)

Parameters

systemType Type

expr string

precedence int

flags SqlFlags

parameters ISqlExpression[]

Properties

CanBeNull

public bool CanBeNull { get; set; }

Property Value

bool

ElementType

public QueryElementType ElementType { get; }

Property Value

QueryElementType

Expr

public string Expr { get; }

Property Value

string

Flags

public SqlFlags Flags { get; }

Property Value

SqlFlags

IsAggregate

public bool IsAggregate { get; }

Property Value

bool

IsPredicate

public bool IsPredicate { get; }

Property Value

bool

IsPure

public bool IsPure { get; }

Property Value

bool

IsWindowFunction

public bool IsWindowFunction { get; }

Property Value

bool

Parameters

public ISqlExpression[] Parameters { get; }

Property Value

ISqlExpression[]

Precedence

public int Precedence { get; }

Property Value

int

SystemType

public Type? SystemType { get; }

Property Value

Type

Methods

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

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

Parameters

other ISqlExpression

comparer Func<ISqlExpression, ISqlExpression, bool>

Returns

bool

GetHashCode()

Serves as a hash function for a particular type.

public override int GetHashCode()

Returns

int

A hash code for the current object.

NeedsEqual(IQueryElement)

public static bool NeedsEqual(IQueryElement ex)

Parameters

ex IQueryElement

Returns

bool