Class Sql.ExtensionAttribute

Namespace

LinqToDB

Assembly

linq2db.dll

[AttributeUsage(AttributeTargets.Method|AttributeTargets.Property, AllowMultiple = true)]
public class Sql.ExtensionAttribute : Sql.ExpressionAttribute, _Attribute

Inheritance

object

Attribute

MappingAttribute

Sql.ExpressionAttribute

Sql.ExtensionAttribute

Implements

_Attribute

Inherited Members

Sql.ExpressionAttribute.Expression

Sql.ExpressionAttribute.ArgIndices

Sql.ExpressionAttribute.Precedence

Sql.ExpressionAttribute.ServerSideOnly

Sql.ExpressionAttribute.PreferServerSide

Sql.ExpressionAttribute.InlineParameters

Sql.ExpressionAttribute.ExpectExpression

Sql.ExpressionAttribute.IsPredicate

Sql.ExpressionAttribute.IsAggregate

Sql.ExpressionAttribute.IsWindowFunction

Sql.ExpressionAttribute.IsPure

Sql.ExpressionAttribute.IsNullable

Sql.ExpressionAttribute.IgnoreGenericParameters

Sql.ExpressionAttribute.CanBeNull

Sql.ExpressionAttribute.GetCanBeNull(ISqlExpression[])

Sql.ExpressionAttribute.CalcCanBeNull(Sql.IsNullableType, IEnumerable<bool>)

Sql.ExpressionAttribute.ResolveExpressionValues<TContext>(TContext, string, Func<TContext, string, string, string>)

Sql.ExpressionAttribute.UnknownExpression

Sql.ExpressionAttribute.PrepareParameterValues<TContext>(TContext, MappingSchema, Expression, ref string, bool, out List<Expression>, bool, out List<SqlDataType>, Func<TContext, Expression, ColumnDescriptor, ISqlExpression>)

Sql.ExpressionAttribute.PrepareArguments<TContext>(TContext, string, int[], bool, List<Expression>, List<SqlDataType>, Func<TContext, Expression, ColumnDescriptor, ISqlExpression>)

Sql.ExpressionAttribute.GetIsPredicate(Expression)

MappingAttribute.Configuration

MappingAttribute.GetHashCode()

MappingAttribute.Equals(object)

Extension Methods

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>)

Constructors

ExtensionAttribute(string)

public ExtensionAttribute(string expression)

Parameters

expression string

ExtensionAttribute(string, string)

public ExtensionAttribute(string configuration, string expression)

Parameters

configuration string

expression string

ExtensionAttribute(string, Type)

public ExtensionAttribute(string configuration, Type builderType)

Parameters

configuration string

builderType Type

ExtensionAttribute(Type)

public ExtensionAttribute(Type builderType)

Parameters

builderType Type

Properties

BuilderType

public Type? BuilderType { get; set; }

Property Value

Type

BuilderValue

public object? BuilderValue { get; set; }

Property Value

object

ChainPrecedence

Defines in which order process extensions. Items will be ordered Descending.

public int ChainPrecedence { get; set; }

Property Value

int

TokenName

public string? TokenName { get; set; }

Property Value

string

Methods

BuildFunctionsChain<TContext>(TContext, IDataContext, SelectQuery, Expression, Func<TContext, Expression, ColumnDescriptor?, ISqlExpression>)

protected List<Sql.SqlExtensionParam> BuildFunctionsChain<TContext>(TContext context, IDataContext dataContext, SelectQuery query, Expression expr, Func<TContext, Expression, ColumnDescriptor?, ISqlExpression> converter)

Parameters

context TContext

dataContext IDataContext

query SelectQuery

expr Expression

converter Func<TContext, Expression, ColumnDescriptor, ISqlExpression>

Returns

List<Sql.SqlExtensionParam>

Type Parameters

TContext

BuildSqlExpression(SqlExtension, Type?, int, SqlFlags, bool?, IsNullableType)

public static SqlExpression BuildSqlExpression(Sql.SqlExtension root, Type? systemType, int precedence, SqlFlags flags, bool? canBeNull, Sql.IsNullableType isNullable)

Parameters

root Sql.SqlExtension

systemType Type

precedence int

flags SqlFlags

canBeNull bool?

isNullable Sql.IsNullableType

Returns

SqlExpression

ExcludeExtensionChain(MappingSchema, Expression)

public static Expression ExcludeExtensionChain(MappingSchema mapping, Expression expr)

Parameters

mapping MappingSchema

expr Expression

Returns

Expression

GetExpression<TContext>(TContext, IDataContext, SelectQuery, Expression, Func<TContext, Expression, ColumnDescriptor?, ISqlExpression>)

public override ISqlExpression GetExpression<TContext>(TContext context, IDataContext dataContext, SelectQuery query, Expression expression, Func<TContext, Expression, ColumnDescriptor?, ISqlExpression> converter)

Parameters

context TContext

dataContext IDataContext

query SelectQuery

expression Expression

converter Func<TContext, Expression, ColumnDescriptor, ISqlExpression>

Returns

ISqlExpression

Type Parameters

TContext

GetExtensionAttributes(Expression, MappingSchema)

public static Sql.ExtensionAttribute[] GetExtensionAttributes(Expression expression, MappingSchema mapping)

Parameters

expression Expression

mapping MappingSchema

Returns

ExtensionAttribute[]

GetObjectID()

Returns mapping attribute id, based on all attribute options.

public override string GetObjectID()

Returns

string