Interface IQueryStructureAdapter

Query structure mapping adapter interface

Namespace: XData.Mapping.Dynamic

Assembly: XData.docfx.dll

Syntax

public interface IQueryStructureAdapter

Methods

CastTo<T>()

Type cast modifier

Declaration

IQueryStructureAdapter CastTo<T>()

Returns

Type	Description
IQueryStructureAdapter

Type Parameters

Name	Description
T	Type to cast

Expr<TValue>(String, Expression<Func<IQueryStructureAdapter, TValue>>, DbType, Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[])

SQL expression mapping

Declaration

TValue Expr<TValue>(string fieldName, Expression<Func<IQueryStructureAdapter, TValue>> expr, DbType dbType, params Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
String	fieldName	Expression field name
Expression<Func<IQueryStructureAdapter, TValue>>	expr	Expression
DbType	dbType	Expression database type
Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Expression value

Type Parameters

Name	Description
TValue	Expression result type

Remarks

WARNING! Can be used in dynamic query mapping only!

See Also

DataExpressionType

DbType

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Expr<TValue>(String, DataExpressionType, String, DbType, Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[])

SQL expression mapping

Declaration

TValue Expr<TValue>(string fieldName, DataExpressionType type, string exprText, DbType dbType, params Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
String	fieldName	Expression field name
DataExpressionType	type	Expression source type
String	exprText	Expression text
DbType	dbType	Expression database type
Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Expression value

Type Parameters

Name	Description
TValue	Expression result type

Remarks

WARNING! Can be used in dynamic query mapping only!

See Also

DataExpressionType

DbType

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Field<TValue>(Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[])

Field mapping

Declaration

TValue Field<TValue>(params Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

Remarks

WARNING! Can be used in dynamic query mapping only!

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Field<TValue>(String, String, DbType, Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[])

Field mapping

Declaration

TValue Field<TValue>(string sourceAlias, string fieldName, DbType dbType, params Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
String	sourceAlias	Source alias
String	fieldName	Field name
DbType	dbType	Field database type
Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Field<TValue>(String, String, Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[])

Field mapping

Declaration

TValue Field<TValue>(string sourceAlias, string fieldName, params Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
String	sourceAlias	Source alias
String	fieldName	Field name
Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

Remarks

WARNING! Can be used in dynamic query mapping only!

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Ref<TValue>(String, String, Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[])

Inner view property reference mapping

Declaration

TValue Ref<TValue>(string sourceAlias, string property, params Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
String	sourceAlias	Referenced property subquery alias
String	property	Referenced property name
Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Referenced property value

Type Parameters

Name	Description
TValue	Referenced property type

Remarks

WARNING! Can be used in dynamic query mapping only!

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Ref<TValue, TInnerView>(String, Expression<Func<TInnerView, Object>>, Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[])

Inner view property reference mapping

Declaration

TValue Ref<TValue, TInnerView>(string sourceAlias, Expression<Func<TInnerView, object>> property, params Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[] attributes)
    where TInnerView : class

Parameters

Type	Name	Description
String	sourceAlias	Referenced property subquery alias
Expression<Func<TInnerView, Object>>	property	Referenced property name
Expression<Func<IPropertyMappingAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Referenced property value

Type Parameters

Name	Description
TValue	Referenced property type
TInnerView	Referenced inner view type

Remarks

WARNING! Can be used in dynamic query mapping only!

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

XmlField<TValue>(String, String, String, DbType, Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[])

XML field mapping

Declaration

TValue XmlField<TValue>(string sourceAlias, string fieldName, string xPath, DbType dbType, params Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
String	sourceAlias	XML data source alias
String	fieldName	XML field name
String	xPath	XML field XPath expression
DbType	dbType	XML field database type
Expression<Func<IExpressionPropertyAdapter, IStructureFlag>>[]	attributes	Property mapping attributes

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	XML Field type

Remarks

WARNING! Can be used in dynamic query mapping for XmlSource(String, String, String, Expression<Func<IInnerFilterAdapter, IFilterDescription>>[]) data sources only!

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)

Extension Methods

SerializationExtensions.ToXml<T>(T)

CollectionsExtensions.SetValue<TKey, T>(TKey, T)

CollectionsExtensions.AsEnum<T>(T)

DataObjectQueryableExtensions.CompareVariable(Object, FilterOperation, String)

Processing.Do<T>(T, Action<IProcess<T>>[])

TypeExtensions.TryConvert<T, TResult>(T, Func<T, TResult>)

TypeExtensions.TryConvert<T, TResult>(T, Func<T, TResult>, TResult)

TypeExtensions.ChangeType<T>(Object)

TypeExtensions.ChangeType(Object, Type)

TypeExtensions.InvokeMethod<TRet>(Object, Type[], Expression<Func<TRet>>, BindingFlags)

TypeExtensions.InvokeMethod(Object, Type[], Expression<Action>, BindingFlags)

TypeExtensions.InvokeMethod<TRet>(Object, Expression<Func<TRet>>, BindingFlags)

TypeExtensions.InvokeMethod(Object, Expression<Action>, BindingFlags)

SqlBlockExtensions.SetExpression<TTag, TResult>(TTag, Expression<Func<IBlockQueryAdapter, TResult>>)

QueryDescriptionExtensions.Exists(IQueryStructureAdapter, String)

QueryDescriptionExtensions.Case<T, TResult>(IQueryStructureAdapter, Expression<Func<IQueryStructureAdapter, T>>, Expression<Func<IQueryStructureAdapter, TResult>>, TaggedExpression<T, TResult>[])

QueryDescriptionExtensions.DateDiff<T>(IQueryStructureAdapter, Expression<Func<IQueryStructureAdapter, DateTime>>, Expression<Func<IQueryStructureAdapter, DateTime>>, DateDiffKind)

QueryDescriptionExtensions.HasFlag<T>(IQueryStructureAdapter, Expression<Func<IQueryStructureAdapter, T>>, Expression<Func<IQueryStructureAdapter, T>>, Expression<Func<IQueryStructureAdapter, T>>, Expression<Func<IQueryStructureAdapter, T>>)

QueryDescriptionExtensions.SetExpression<TTag, TResult>(TTag, Expression<Func<IQueryStructureAdapter, TResult>>)

QueryDescriptionExtensions.SqlFn<TResult>(IQueryStructureAdapter, String, Expression<Func<IQueryStructureAdapter, Object>>[])

QueryDescriptionExtensions.SqlParam<TResult>(IQueryStructureAdapter, String, DbType, Expression<Func<IProcedureParameterAdapter, IProcedureParameterFlag>>[])

QueryDescriptionExtensions.SqlExpr<TResult>(IQueryStructureAdapter, String, Expression<Func<IQueryStructureAdapter, Object>>[])

QueryDescriptionExtensions.GetVariable<TResult>(IQueryStructureAdapter, String)

See Also

Select<TResult>(Expression<Func<IQueryStructureAdapter, TResult>>)