Interface IBlockQueryAdapter

SQL block query structure adapter

Namespace: XData.Database.SqlBlock

Assembly: XData.docfx.dll

Syntax

public interface IBlockQueryAdapter

Methods

CastTo<T>()

Type cast modifier

Declaration

IBlockQueryAdapter CastTo<T>()

Returns

Type	Description
IBlockQueryAdapter

Type Parameters

Name	Description
T	Type to cast

Default<TValue>(String, DefaultType)

Default value description

Declaration

TValue Default<TValue>(string fieldName, DefaultType source)

Parameters

Type	Name	Description
String	fieldName	Field name
DefaultType	source	Default value algorithm

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

Remarks

WARNING! Can be used in dynamic query mapping only!

Default<TValue>(String, DefaultType, TValue)

Default value description

Declaration

TValue Default<TValue>(string fieldName, DefaultType source, TValue value)

Parameters

Type	Name	Description
String	fieldName	Field name
DefaultType	source	Default value algorithm
TValue	value	Default value

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

Remarks

WARNING! Can be used in dynamic query mapping only!

Default<TValue>(DefaultType)

Default value description

Declaration

TValue Default<TValue>(DefaultType source)

Parameters

Type	Name	Description
DefaultType	source	Default value algorithm

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

Remarks

WARNING! Can be used in dynamic query mapping only!

Default<TValue>(DefaultType, TValue)

Default value description

Declaration

TValue Default<TValue>(DefaultType source, TValue value)

Parameters

Type	Name	Description
DefaultType	source	Default value algorithm
TValue	value	Default value

Returns

Type	Description
TValue	Field value

Type Parameters

Name	Description
TValue	Field type

Remarks

WARNING! Can be used in dynamic query mapping only!

Expr<TValue>(String, Expression<Func<IBlockQueryAdapter, TValue>>, DbType, Expression<Func<IExpressionMergeAdapter, IStructureFlag>>[])

SQL expression mapping

Declaration

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

Parameters

Type	Name	Description
String	fieldName	Expression field name
Expression<Func<IBlockQueryAdapter, TValue>>	expr	Expression
DbType	dbType	Expression database type
Expression<Func<IExpressionMergeAdapter, 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!

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

SQL expression mapping

Declaration

TValue Expr<TValue>(string fieldName, DataExpressionType type, string exprText, DbType dbType, params Expression<Func<IExpressionMergeAdapter, 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<IExpressionMergeAdapter, 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!

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

Field mapping

Declaration

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

Parameters

Type	Name	Description
Expression<Func<IPropertyMergeAdapter, 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!

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

Field mapping

Declaration

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

Parameters

Type	Name	Description
String	sourceAlias	Source alias
String	fieldName	Field name
Expression<Func<IPropertyMergeAdapter, 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!

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

Inner view property reference mapping

Declaration

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

Parameters

Type	Name	Description
String	sourceAlias	Referenced property subquery alias
String	property	Referenced property name
Expression<Func<IPropertyMergeAdapter, 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!

Ref<TValue, TDobj>(String, Expression<Func<TDobj, Object>>, Expression<Func<IPropertyMergeAdapter, IStructureFlag>>[])

Inner view property reference mapping

Declaration

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

Parameters

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

Returns

Type	Description
TValue	Referenced property value

Type Parameters

Name	Description
TValue	Referenced property type
TDobj	Referenced inner view type

Remarks

WARNING! Can be used in dynamic query mapping only!

Val<TValue>(Expression<Func<ISqlValueAdapter, ISqlValue<TValue>>>, Expression<Func<IMergeAttributeAdapter, IStructureFlag>>[])

SQL block variable/constant/parameter value mapping

Declaration

TValue Val<TValue>(Expression<Func<ISqlValueAdapter, ISqlValue<TValue>>> value, params Expression<Func<IMergeAttributeAdapter, IStructureFlag>>[] attributes)

Parameters

Type	Name	Description
Expression<Func<ISqlValueAdapter, ISqlValue<TValue>>>	value	SQL block value mapping expression
Expression<Func<IMergeAttributeAdapter, IStructureFlag>>[]	attributes	Merge roles structure flags

Returns

Type	Description
TValue	Value

Type Parameters

Name	Description
TValue	Value type

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.Exists(IBlockQueryAdapter, String)

SqlBlockExtensions.Case<T, TResult>(IBlockQueryAdapter, Expression<Func<IBlockQueryAdapter, T>>, Expression<Func<IBlockQueryAdapter, TResult>>, TaggedExpression<T, TResult>[])

SqlBlockExtensions.DateDiff<T>(IBlockQueryAdapter, Expression<Func<IBlockQueryAdapter, DateTime>>, Expression<Func<IBlockQueryAdapter, DateTime>>, DateDiffKind)

SqlBlockExtensions.HasFlag<T>(IBlockQueryAdapter, Expression<Func<IBlockQueryAdapter, T>>, Expression<Func<IBlockQueryAdapter, T>>, Expression<Func<IBlockQueryAdapter, T>>, Expression<Func<IBlockQueryAdapter, T>>)

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

SqlBlockExtensions.SqlFn<TResult>(IBlockQueryAdapter, String, Expression<Func<IBlockQueryAdapter, Object>>[])

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

SqlBlockExtensions.SqlExpr<TResult>(IBlockQueryAdapter, String, Expression<Func<IBlockQueryAdapter, TResult>>[])

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