LogFile 类
The LogFile object represents a SQL Server log file.
继承层次结构
System. . :: . .Object
  Microsoft.SqlServer.Management.Smo. . :: . .SmoObjectBase
    Microsoft.SqlServer.Management.Smo. . :: . .SqlSmoObject
      Microsoft.SqlServer.Management.Smo. . :: . .NamedSmoObject
        Microsoft.SqlServer.Management.Smo. . :: . .DatabaseFile
          Microsoft.SqlServer.Management.Smo..::..LogFile
命名空间:  Microsoft.SqlServer.Management.Smo
程序集:  Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)
语法
声明
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute> _
Public NotInheritable Class LogFile _
    Inherits DatabaseFile _
    Implements ICreatable
用法
Dim instance As LogFile
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute]
public sealed class LogFile : DatabaseFile, 
    ICreatable
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute]
public ref class LogFile sealed : public DatabaseFile, 
    ICreatable
[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute>]
type LogFile =  
    class
        inherit DatabaseFile
        interface ICreatable
    end
public final class LogFile extends DatabaseFile implements ICreatable
LogFile 类型公开以下成员。
构造函数
| 名称 | 说明 | |
|---|---|---|
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LogFile() () () () | Initializes a new instance of the LogFile class. | 
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LogFile(Database, String) | Initializes a new instance of the LogFile class for the specified database and that has the specified name. | 
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LogFile(Database, String, String) | Initializes a new instance of the LogFile class for the specified database and that has the specified name and physical file name. | 
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属性
| 名称 | 说明 | |
|---|---|---|
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ExecuteForScalar | Gets or sets the Boolean property value that specifies whether the object is set to the execute for scalar option. (从 SqlSmoObject 继承。) | 
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FileName | Gets or sets the file name of the log file. | 
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Growth | Gets or sets the growth increment for the log file in KB or percent. | 
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GrowthType | Gets or sets the growth type for the data file in KB or percent. | 
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ID | Gets the ID value that uniquely identifies the log file. | 
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IsOffline | Gets the Boolean value that specifies whether the log file is offline or not. | 
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IsReadOnly | Gets the Boolean value that specifies whether the log file is read-only or can be updated. | 
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IsReadOnlyMedia | Gets the Boolean value that specifies whether the log file is stored on read-only media. | 
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IsSparse | Gets the Boolean value that specifies whether the file is a sparse file. Sparse files are used in database snapshots. | 
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IsTouched | Gets the Boolean property value that specifies whether the object properties have been updated but not yet persisted on the server. (从 SqlSmoObject 继承。) | 
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MaxSize | Gets or set the maximum size to which the file can grow, in MB. | 
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Name | Gets or sets the name of the object. (从 NamedSmoObject 继承。) | 
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ObjectInSpace | Gets the Boolean property value that specifies whether the object exists in isolation, or whether it is directly or indirectly connected to the instance of SQL Server. (从 SqlSmoObject 继承。) | 
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Parent | Gets or sets the Database object that is the parent of the LogFile object. | 
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Properties | Gets a collection of Property objects that represent the object properties. (从 SqlSmoObject 继承。) | 
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ScalarResult | Gets the scalar result for the referenced object. (从 SqlSmoObject 继承。) | 
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Size | Gets or sets the current size of the log file, in KB. | 
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State | Gets the state of the referenced object. (从 SmoObjectBase 继承。) | 
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Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (从 SqlSmoObject 继承。) | 
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UsedSpace | Gets the amount of used space in the log file in KB. | 
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UserData | Gets or sets user-defined data associated with the referenced object. (从 SmoObjectBase 继承。) | 
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方法
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显式接口实现
| 名称 | 说明 | |
|---|---|---|
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IAlienObjectDiscover | (从 SqlSmoObject 继承。) | 
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IAlienObjectGetParent | (从 SqlSmoObject 继承。) | 
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IAlienObjectGetProperty | (从 SqlSmoObject 继承。) | 
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ISfcPropertyProviderGetPropertySet | (从 SqlSmoObject 继承。) | 
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IAlienObjectGetUrn | (从 SqlSmoObject 继承。) | 
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IAlienObjectResolve | (从 SqlSmoObject 继承。) | 
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IAlienObjectSetProperty | (从 SqlSmoObject 继承。) | 
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注释
To get the LogFile object properties, users can be a member of the public fixed server role.
To set LogFile object properties, users must have ALTER permission on the database or be a member of the db_owner fixed database role.
To create or drop a log file, users must have ALTER permission on the database or be a member of the db_owner fixed database role.
Thread Safety
此类型的任何公共静态(Microsoft Visual Basic 中的 Shared)成员在多线程操作中是安全的。 不保证所有实例成员都对于线程安全的。
线程安全
此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。不保证所有实例成员都是线程安全的。
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