Class Sql.ExtensionAttribute

Inheritance
System.Object
MappingAttribute
Sql.ExpressionAttribute
Sql.ExtensionAttribute
Inherited Members
Namespace: LinqToDB
Assembly: linq2db.dll
Syntax
public class ExtensionAttribute : Sql.ExpressionAttribute

Constructors

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ExtensionAttribute(String)

Declaration
public ExtensionAttribute(string expression)
Parameters
Type Name Description
System.String expression
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ExtensionAttribute(String, String)

Declaration
public ExtensionAttribute(string configuration, string expression)
Parameters
Type Name Description
System.String configuration
System.String expression
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ExtensionAttribute(String, Type)

Declaration
public ExtensionAttribute(string configuration, Type builderType)
Parameters
Type Name Description
System.String configuration
Type builderType
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ExtensionAttribute(Type)

Declaration
public ExtensionAttribute(Type builderType)
Parameters
Type Name Description
Type builderType

Properties

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BuilderType

Declaration
public Type? BuilderType { get; set; }
Property Value
Type Description
System.Nullable<Type>
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BuilderValue

Declaration
public object? BuilderValue { get; set; }
Property Value
Type Description
System.Nullable<System.Object>
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ChainPrecedence

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

Declaration
public int ChainPrecedence { get; set; }
Property Value
Type Description
System.Int32
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TokenName

Declaration
public string? TokenName { get; set; }
Property Value
Type Description
System.Nullable<System.String>

Methods

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

Declaration
protected List<Sql.SqlExtensionParam> BuildFunctionsChain<TContext>(TContext context, IDataContext dataContext, SelectQuery query, Expression expr, Func<TContext, Expression, ColumnDescriptor, ISqlExpression> converter)
Parameters
Type Name Description
TContext context
IDataContext dataContext
SelectQuery query
Expression expr
Func<TContext, Expression, ColumnDescriptor, ISqlExpression> converter
Returns
Type Description
List<Sql.SqlExtensionParam>
Type Parameters
Name Description
TContext
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BuildSqlExpression(Sql.SqlExtension, Nullable<Type>, Int32, SqlFlags, Nullable<Boolean>, Sql.IsNullableType)

Declaration
public static SqlExpression BuildSqlExpression(Sql.SqlExtension root, Type? systemType, int precedence, SqlFlags flags, bool? canBeNull, Sql.IsNullableType isNullable)
Parameters
Type Name Description
Sql.SqlExtension root
System.Nullable<Type> systemType
System.Int32 precedence
SqlFlags flags
System.Nullable<System.Boolean> canBeNull
Sql.IsNullableType isNullable
Returns
Type Description
SqlExpression
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ExcludeExtensionChain(MappingSchema, Expression)

Declaration
public static Expression ExcludeExtensionChain(MappingSchema mapping, Expression expr)
Parameters
Type Name Description
MappingSchema mapping
Expression expr
Returns
Type Description
Expression
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GetExpression<TContext>(TContext, IDataContext, SelectQuery, Expression, Func<TContext, Expression, ColumnDescriptor, ISqlExpression>)

Declaration
public override ISqlExpression GetExpression<TContext>(TContext context, IDataContext dataContext, SelectQuery query, Expression expression, Func<TContext, Expression, ColumnDescriptor, ISqlExpression> converter)
Parameters
Type Name Description
TContext context
IDataContext dataContext
SelectQuery query
Expression expression
Func<TContext, Expression, ColumnDescriptor, ISqlExpression> converter
Returns
Type Description
ISqlExpression
Type Parameters
Name Description
TContext
Overrides
LinqToDB.Sql.ExpressionAttribute.GetExpression<TContext>(TContext, LinqToDB.IDataContext, LinqToDB.SqlQuery.SelectQuery, Expression, Func<TContext, Expression, LinqToDB.Mapping.ColumnDescriptor, LinqToDB.SqlQuery.ISqlExpression>)
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GetExtensionAttributes(Expression, MappingSchema)

Declaration
public static Sql.ExtensionAttribute[] GetExtensionAttributes(Expression expression, MappingSchema mapping)
Parameters
Type Name Description
Expression expression
MappingSchema mapping
Returns
Type Description
Sql.ExtensionAttribute[]
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GetObjectID()

Declaration
public override string GetObjectID()
Returns
Type Description
System.String
Overrides

Extension Methods