LogFile-Klasse
The LogFile object represents a SQL Server log file.
Vererbungshierarchie
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
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute> _
Public NotInheritable Class LogFile _
Inherits DatabaseFile _
Implements ICreatable, ISfcSupportsDesignMode
'Usage
Dim instance As LogFile
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute]
public sealed class LogFile : DatabaseFile,
ICreatable, ISfcSupportsDesignMode
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute]
public ref class LogFile sealed : public DatabaseFile,
ICreatable, ISfcSupportsDesignMode
[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute>]
type LogFile =
class
inherit DatabaseFile
interface ICreatable
interface ISfcSupportsDesignMode
end
public final class LogFile extends DatabaseFile implements ICreatable, ISfcSupportsDesignMode
Der LogFile-Typ macht folgende Elemente verfügbar.
Konstruktoren
Name | Beschreibung | |
---|---|---|
LogFile() | Initializes a new instance of the LogFile class. | |
LogFile(Database, String) | Initializes a new instance of the LogFile class for the specified database and that has the specified name. | |
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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Eigenschaften
Name | Beschreibung | |
---|---|---|
BytesReadFromDisk | Gets the number of bytes read from disk. | |
BytesWrittenToDisk | Gets the number of bytes written to disk. | |
FileName | Gets or sets the file name of the log file. | |
Growth | Gets or sets the growth increment for the log file in KB or percent. | |
GrowthType | Gets or sets the growth type for the data file in KB or percent. | |
ID | Gets the ID value that uniquely identifies the log file. | |
IsOffline | Gets the Boolean value that specifies whether the log file is offline or not. | |
IsReadOnly | Gets the Boolean value that specifies whether the log file is read-only or can be updated. | |
IsReadOnlyMedia | Gets the Boolean value that specifies whether the log file is stored on read-only media. | |
IsSparse | Gets the Boolean value that specifies whether the file is a sparse file. Sparse files are used in database snapshots. | |
MaxSize | Gets or set the maximum size to which the file can grow, in MB. | |
Name | Gets or sets the name of the object. (Geerbt von NamedSmoObject.) | |
NumberOfDiskReads | Gets an Int64 value that specifies the number of disk reads. | |
NumberOfDiskWrites | Gets an Int64 value that specifies the number of disk writes. | |
Parent | Gets or sets the Database object that is the parent of the LogFile object. | |
Properties | Gets a collection of Property objects that represent the object properties. (Geerbt von SqlSmoObject.) | |
Size | Gets or sets the current size of the log file, in KB. | |
State | Gets the state of the referenced object. (Geerbt von SmoObjectBase.) | |
Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Geerbt von SqlSmoObject.) | |
UsedSpace | Gets the amount of used space in the log file in KB. | |
UserData | Gets or sets user-defined data associated with the referenced object. (Geerbt von SmoObjectBase.) | |
VolumeFreeSpace | Gets an Int64 value that specifies the volume free space in bytes. |
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Methoden
Name | Beschreibung | |
---|---|---|
Alter | Updates any property changes to the object to the instance of Microsoft SQL Server. (Geerbt von DatabaseFile.) | |
Create | Creates a log file on the instance of SQL Server as defined by the LogFile object. | |
Discover | Discovers a list of type Object. (Geerbt von SqlSmoObject.) | |
Drop | Drops a database file. (Geerbt von DatabaseFile.) | |
Equals | (Geerbt von Object.) | |
FormatSqlVariant | Formats an object as SqlVariant type. (Geerbt von SqlSmoObject.) | |
GetContextDB | Gets the context database that is associated with this object. (Geerbt von SqlSmoObject.) | |
GetDBName | Gets the database name that is associated with the object. (Geerbt von SqlSmoObject.) | |
GetHashCode | (Geerbt von Object.) | |
GetPropValue | Gets a property value of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetPropValueOptional | Gets a property value of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetServerObject | Gets the server of the SqlSmoObject object. (Geerbt von SqlSmoObject.) | |
GetType | (Geerbt von Object.) | |
Initialize() | Initializes the object and forces the properties be loaded. (Geerbt von SqlSmoObject.) | |
Initialize(Boolean) | Initializes the object and forces the properties be loaded. (Geerbt von SqlSmoObject.) | |
IsObjectInitialized | Verifies whether the object has been initialized. (Geerbt von SqlSmoObject.) | |
IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (Geerbt von SqlSmoObject.) | |
MarkForDrop | Marks the database file to be dropped next time its parent object is altered by the Alter method. (Geerbt von DatabaseFile.) | |
Refresh | Refreshes the object and retrieves properties when the object is next accessed. (Geerbt von SqlSmoObject.) | |
Rename | Renames a database file. (Geerbt von DatabaseFile.) | |
SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Geerbt von SqlSmoObject.) | |
Shrink | Shrinks a database file. (Geerbt von DatabaseFile.) | |
ToString | Returns a String that represents the referenced object. (Geerbt von SqlSmoObject.) | |
Validate | Validates the state of an object. (Geerbt von SmoObjectBase.) |
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Ereignisse
Name | Beschreibung | |
---|---|---|
PropertyChanged | Represents the event that occurs when a property is changed. (Geerbt von SqlSmoObject.) | |
PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (Geerbt von SqlSmoObject.) |
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Explizite Schnittstellenimplementierungen
Name | Beschreibung | |
---|---|---|
IAlienObject.Discover | Discovers any dependencies. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetDomainRoot | Returns the root of the domain. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetParent | Gets the parent of this object. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetPropertyType | Gets the type of the specified property. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetPropertyValue | Gets the value of the specified property. (Geerbt von SqlSmoObject.) | |
IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur. (Geerbt von SqlSmoObject.) | |
IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Geerbt von SqlSmoObject.) | |
IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (Geerbt von SqlSmoObject.) | |
IAlienObject.SetPropertyValue | Sets the property value. (Geerbt von SqlSmoObject.) | |
ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (Geerbt von SqlSmoObject.) | |
ISfcSupportsDesignMode.IsDesignMode | Gets a Boolean value that specifies whether the object supports design mode. |
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Hinweise
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
Alle öffentlichen, statischen Elemente dieses Typs (Shared in Microsoft Visual Basic) sind für Vorgänge mit mehreren Threads sicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Beispiele
Verwenden von Dateigruppen und Dateien zur Speicherung von Daten
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic)-Elemente dieses Typs sind Threadsicher. Für Instanzelemente wird die Threadsicherheit nicht gewährleistet.
Siehe auch
Verweis
Microsoft.SqlServer.Management.Smo-Namespace
Andere Ressourcen
Verwenden von Dateigruppen und Dateien zur Speicherung von Daten