Класс DataProfilingTask
Profiles selected columns and column relationships in a data source to discover the structure of an unfamiliar data source, and to identify problems with the data.
Иерархия наследования
System. . :: . .Object
Microsoft.SqlServer.Dts.Runtime. . :: . .DtsObject
Microsoft.SqlServer.Dts.Runtime. . :: . .Task
Microsoft.SqlServer.Dts.Tasks.DataProfilingTask..::..DataProfilingTask
Пространство имен: Microsoft.SqlServer.Dts.Tasks.DataProfilingTask
Сборка: Microsoft.SqlServer.DataProfilingTask (в Microsoft.SqlServer.DataProfilingTask.dll)
Синтаксис
'Декларация
Public NotInheritable Class DataProfilingTask _
Inherits Task _
Implements IDTSComponentPersist
'Применение
Dim instance As DataProfilingTask
public sealed class DataProfilingTask : Task,
IDTSComponentPersist
public ref class DataProfilingTask sealed : public Task,
IDTSComponentPersist
[<SealedAttribute>]
type DataProfilingTask =
class
inherit Task
interface IDTSComponentPersist
end
public final class DataProfilingTask extends Task implements IDTSComponentPersist
Тип DataProfilingTask обеспечивает доступ к следующим элементам.
Конструкторы
Имя | Описание | |
---|---|---|
DataProfilingTask | Initializes a new instance of the DataProfilingTask class. |
В начало
Свойства
Имя | Описание | |
---|---|---|
Destination | Identifies the File connection manager or the package variable that contains the XML output that the Data Profiling task generates. | |
DestinationType | Specifies whether a File connection manager or a package variable contains the XML output the Data Profiling task generates. | |
ExecutionValue | Returns a user-defined object. This field is read-only. (Производный от Task.) | |
OverwriteDestination | Determines whether the Data Profiling task should overwrite the output file if the file already exists. | |
ProfileInputXml | Инфраструктура. | |
ProfileRequests | Contains the collection of profile requests that the Data Profiling task will compute. | |
Timeout | Specifies the number of seconds after which the Data Profiling task should time out and stop running. | |
Version | *** Member deprecated; see Remarks. *** Returns the version of the task. This property is read-only. (Производный от Task.) |
В начало
Методы
Имя | Описание | |
---|---|---|
CanUpdate | *** Member deprecated; see Remarks. *** A Boolean that indicates whether the new package XML can update the old package XML. (Производный от Task.) | |
Equals | Determines whether two object instances are equal. (Производный от DtsObject.) | |
Execute | Runs the Data Profiling task. (Переопределяет Task. . :: . .Execute(Connections, VariableDispenser, IDTSComponentEvents, IDTSLogging, Object).) | |
Finalize | (Производный от Object.) | |
GetConnectionID | Gets a String containing the ID of the connection. (Производный от Task.) | |
GetConnectionName | Gets a String containing the name of the connection. (Производный от Task.) | |
GetHashCode | Returns the hash code for this instance. (Производный от DtsObject.) | |
GetType | (Производный от Object.) | |
InitializeTask | Initializes the Data Profiling task. (Переопределяет Task. . :: . .InitializeTask(Connections, VariableDispenser, IDTSInfoEvents, IDTSLogging, EventInfos, LogEntryInfos, ObjectReferenceTracker).) | |
LoadFromXML | Loads the definition of the task, in XML format, from the XML definition of the package. | |
MemberwiseClone | (Производный от Object.) | |
SaveToXML | Saves the definition of the task, in XML format, into the XML definition of the package. | |
ToString | (Производный от Object.) | |
Update | *** Member deprecated; see Remarks. *** This method updates the old package XML with the new package XML if CanUpdate is set to true. (Производный от Task.) | |
Validate | Determines whether the Data Profiling task is correctly configured. (Переопределяет Task. . :: . .Validate(Connections, VariableDispenser, IDTSComponentEvents, IDTSLogging).) |
В начало
Замечания
The DataProfilingTask class is the main class in the Microsoft.SqlServer.Dts.Tasks.DataProfilingTask namespace. This class represents the Integration Services Data Profiling task, which can be used to profile and discover the structure of an unfamiliar data source, and to identify problems with the data.
For more information about the Data Profiling task, see the following topics:
Безопасность многопоточности
Любые открытые статический (Shared в Visual Basic) элементы этого типа потокобезопасны. Потокобезопасность с элементами экземпляров не гарантируется.