Interface IQueryOperation

Inherited Members

IOperation.Insert(Int32, IDomainData)

IOperation.Remove(Int32)

IOperation.Contains(Int32)

IOperation.Update(Int32, IDomainData)

IOperation.Clear()

IOperation.MigrateTo(IOperation)

IOperation.ScanGeometries()

IOperation.ScanKeys()

IPlatform.PlatformDescriptor

Namespace: Mars.Core.Data.Wrapper

Assembly: Mars.Core.dll

Syntax

public interface IQueryOperation : IOperation, IPlatform, IDisposable

Methods

ReadKeys(Query)

Gets the unique and identifying keys of model objects passing the condition specified in the Query.

Declaration

IEnumerable<int> ReadKeys(Query query)

Parameters

Type	Name	Description
Query	query	The model query to plan and execute.

Returns

Type	Description
IEnumerable<System.Int32>	Returns a sequence of distinct and unique identity keys, which can be used to resolve model objects from stores or in-memory dictionaries.