Clase Trigger
The Trigger object represents a SQL Server trigger.
Jerarquía de herencia
System.Object
Microsoft.SqlServer.Management.Smo.SmoObjectBase
Microsoft.SqlServer.Management.Smo.SqlSmoObject
Microsoft.SqlServer.Management.Smo.NamedSmoObject
Microsoft.SqlServer.Management.Smo.ScriptNameObjectBase
Microsoft.SqlServer.Management.Smo.Trigger
Espacio de nombres: Microsoft.SqlServer.Management.Smo
Ensamblado: Microsoft.SqlServer.Smo (en Microsoft.SqlServer.Smo.dll)
Sintaxis
'Declaración
<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)> _
<PhysicalFacetAttribute(PhysicalFacetOptions.ReadOnly)> _
Public NotInheritable Class Trigger _
Inherits ScriptNameObjectBase _
Implements ICreatable, IAlterable, IDroppable, IMarkForDrop, _
IExtendedProperties, IScriptable, ITextObject, ISfcSupportsDesignMode
'Uso
Dim instance As Trigger
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)]
[PhysicalFacetAttribute(PhysicalFacetOptions.ReadOnly)]
public sealed class Trigger : ScriptNameObjectBase,
ICreatable, IAlterable, IDroppable, IMarkForDrop, IExtendedProperties,
IScriptable, ITextObject, ISfcSupportsDesignMode
[EvaluationModeAttribute(AutomatedPolicyEvaluationMode::CheckOnSchedule)]
[PhysicalFacetAttribute(PhysicalFacetOptions::ReadOnly)]
public ref class Trigger sealed : public ScriptNameObjectBase,
ICreatable, IAlterable, IDroppable, IMarkForDrop, IExtendedProperties,
IScriptable, ITextObject, ISfcSupportsDesignMode
[<SealedAttribute>]
[<EvaluationModeAttribute(AutomatedPolicyEvaluationMode.CheckOnSchedule)>]
[<PhysicalFacetAttribute(PhysicalFacetOptions.ReadOnly)>]
type Trigger =
class
inherit ScriptNameObjectBase
interface ICreatable
interface IAlterable
interface IDroppable
interface IMarkForDrop
interface IExtendedProperties
interface IScriptable
interface ITextObject
interface ISfcSupportsDesignMode
end
public final class Trigger extends ScriptNameObjectBase implements ICreatable, IAlterable, IDroppable, IMarkForDrop, IExtendedProperties, IScriptable, ITextObject, ISfcSupportsDesignMode
El tipo Trigger expone los siguientes miembros.
Constructores
Nombre | Descripción | |
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Trigger() | Initializes a new instance of the Trigger class. |
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Trigger(SqlSmoObject, String) | Initializes a new instance of the Trigger class on the specified object, and with the specified name. |
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Propiedades
Nombre | Descripción | |
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AnsiNullsStatus | Gets the Boolean property value that specifies whether ISO NULL handling is enabled in the trigger. |
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AssemblyName | Gets or sets the name of the .NET assembly that is required by the referenced trigger. |
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ClassName | Gets or sets the name of the class that is called by the referenced trigger. |
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CreateDate | Gets the date and time when the trigger was created. |
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DateLastModified | Gets the date and time when the trigger was last modified. |
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Delete | Gets or sets the Boolean property value that specifies whether the trigger is executed when records are deleted from the table. |
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DeleteOrder | Gets or sets the order in which the trigger and the delete operation are executed. |
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Events | Gets the events that are associated with the trigger. |
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ExecutionContext | Gets or sets the execution context. |
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ExecutionContextPrincipal | Gets or sets the execution context principal. |
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ExtendedProperties | Gets the extended properties of the Trigger object. |
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ID | Gets the ID value that uniquely identifies the trigger. |
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ImplementationType | Gets or sets the implementation type of the trigger. |
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Insert | Gets or sets the Boolean property value that specifies whether the trigger is fired when records are inserted into the table. |
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InsertOrder | Gets or sets the order in which the trigger and the insert operation are executed. |
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InsteadOf | Gets or sets a Boolean property that specifies whether the trigger runs instead of the insert, delete, or update operation. |
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IsEnabled | Gets or sets the Boolean property that specifies whether the trigger is enabled. |
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IsEncrypted | Gets or sets the Boolean property value that specifies whether the trigger is encrypted. |
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IsSystemObject | Gets the Boolean property value that specifies whether the trigger is a system object. |
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MethodName | Gets the method name for the trigger. |
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Name | Gets or sets a String value that specifies the name of the trigger. (Invalida NamedSmoObject.Name.) |
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NotForReplication | Gets or sets a Boolean property value that specifies whether the trigger is included in replication operations. |
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Parent | Gets or sets the SqlSmoObject object that is the parent of the Trigger object. |
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Properties | Gets a collection of Property objects that represent the object properties. (Se hereda de SqlSmoObject.) |
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QuotedIdentifierStatus | Gets or sets a Boolean property value that specifies whether identifiers delimited by double quotation marks are Transact-SQL reserved keywords or contain characters not usually allowed by the Transact-SQL syntax rules. |
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State | Gets the state of the referenced object. (Se hereda de SmoObjectBase.) |
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TextBody | Gets or sets the Transact-SQL string that defines the trigger. |
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TextHeader | Gets or sets the header part of the Transact-SQL string that defines the trigger. |
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TextMode | Gets or sets the Boolean property that specifies whether the text header is editable as text. |
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Update | Gets or sets the Boolean property value that specifies whether the trigger is fired when records are updated in the table. |
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UpdateOrder | Gets or sets the order in which the trigger and the update operation are executed. |
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Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (Se hereda de SqlSmoObject.) |
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UserData | Gets or sets user-defined data associated with the referenced object. (Se hereda de SmoObjectBase.) |
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Métodos
Nombre | Descripción | |
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Alter | Updates any Trigger object property changes on instance of Microsoft SQL Server . |
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Create | Creates a trigger on the instance of SQL Server as defined by the Trigger object. |
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Discover | Discovers a list of type Object. (Se hereda de SqlSmoObject.) |
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Drop | Removes the trigger from the instance of SQL Server . |
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Equals | (Se hereda de Object.) |
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FormatSqlVariant | Formats an object as SqlVariant type. (Se hereda de SqlSmoObject.) |
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GetContextDB | Gets the context database that is associated with this object. (Se hereda de SqlSmoObject.) |
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GetDBName | Gets the database name that is associated with the object. (Se hereda de SqlSmoObject.) |
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GetHashCode | (Se hereda de Object.) |
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GetPropValue | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetPropValueOptional | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetServerObject | Gets the server of the SqlSmoObject object. (Se hereda de SqlSmoObject.) |
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GetType | (Se hereda de Object.) |
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Initialize() | Initializes the object and forces the properties be loaded. (Se hereda de SqlSmoObject.) |
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Initialize(Boolean) | Initializes the object and forces the properties be loaded. (Se hereda de SqlSmoObject.) |
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IsObjectInitialized | Verifies whether the object has been initialized. (Se hereda de SqlSmoObject.) |
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IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (Se hereda de SqlSmoObject.) |
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MarkForDrop | Marks the trigger to be dropped. |
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ReCompileReferences | Recompiles any stored procedure or trigger that depends on the base SMO object. |
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Refresh | Refreshes the script name. (Se hereda de ScriptNameObjectBase.) |
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Script() | Generates a Transact-SQL script that can be used to re-create the trigger. |
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Script(ScriptingOptions) | Generates a Transact-SQL script that can be used to re-create the trigger as specified by the script options. |
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ScriptHeader | Returns the text header with the option to modify the text. |
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SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (Se hereda de SqlSmoObject.) |
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ToString | Returns a String that represents the referenced object. (Se hereda de SqlSmoObject.) |
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Validate | Validates the state of an object. (Se hereda de SmoObjectBase.) |
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Eventos
Nombre | Descripción | |
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PropertyChanged | Represents the event that occurs when a property is changed. (Se hereda de SqlSmoObject.) |
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PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (Se hereda de SqlSmoObject.) |
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Implementaciones de interfaces explícitas
Nombre | Descripción | |
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IAlienObject.Discover | Discovers any dependencies. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.) |
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IAlienObject.GetDomainRoot | Returns the root of the domain. (Se hereda de SqlSmoObject.) |
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IAlienObject.GetParent | Gets the parent of this object. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.) |
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IAlienObject.GetPropertyType | Gets the type of the specified property. (Se hereda de SqlSmoObject.) |
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IAlienObject.GetPropertyValue | Gets the value of the specified property. (Se hereda de SqlSmoObject.) |
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IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. No haga referencia directamente a este miembro en el código. Admite la infraestructura de SQL Server. (Se hereda de SqlSmoObject.) |
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IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (Se hereda de SqlSmoObject.) |
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IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (Se hereda de SqlSmoObject.) |
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IAlienObject.SetPropertyValue | Sets the property value. (Se hereda de SqlSmoObject.) |
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ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (Se hereda de SqlSmoObject.) |
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ISfcSupportsDesignMode.IsDesignMode | Gets a Boolean value that specifies whether the trigger supports design mode. |
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Comentarios
To get Trigger object properties, users can be a member of the public fixed server role.
To set Trigger object properties, users must have ALTER permission on the parent table or view.
To create or drop a trigger, users must have ALTER permission on the parent table or view.
To grant, deny, or revoke permission on the trigger to other users, users must have CONTROL permission on the trigger.
Thread Safety
Todos los miembros estáticos (compartidos en Microsoft Visual Basic) públicos de este tipo son seguros para operaciones multiproceso. No se garantiza que los miembros de instancia sean seguros para subprocesos.
Ejemplos
Crear, modificar y eliminar desencadenadores
Seguridad para subprocesos
Cualquier miembro público static (Shared en Visual Basic) de este tipo es seguro para subprocesos. No se garantiza que los miembros de instancia sean seguros para subprocesos.
Vea también
Referencia
Espacio de nombres Microsoft.SqlServer.Management.Smo
Otros recursos
Crear, modificar y eliminar desencadenadores