Rowset Object Interfaces

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The following table shows the mandatory and optional interfaces defined by OLE DB for a rowset object.

Interface Required? Implemented by OLE DB templates?

IAccessor

Mandatory

Yes

IColumnsInfo

Mandatory

Yes

IConvertType

Mandatory

Yes

IRowset

Mandatory

Yes

IRowsetInfo

Mandatory

Yes

IChapteredRowset

Optional

No

IColumnsInfo2

Optional

No

IColumnsRowset

Optional

No

IConnectionPointContainer

Optional

Yes (through ATL)

IDBAsynchStatus

Optional

No

IGetRow

Optional

No

IRowsetChange

Optional

Yes

IRowsetChapterMember

Optional

No

IRowsetCurrentIndex

Optional

No

IRowsetFind

Optional

No

IRowsetIdentity

Optional (but required for level 0 providers)

Yes

IRowsetIndex

Optional

No

IRowsetLocate

Optional

Yes

IRowsetRefresh

Optional

No

IRowsetScroll

Optional

No

IRowsetUpdate

Optional

Yes

IRowsetView

Optional

No

ISupportErrorInfo

Optional

Yes

IRowsetBookmark

Optional

No

The wizard-generated rowset object implements IAccessor, IRowset, and IRowsetInfo through inheritance. The IAccessorImpl binds both output columns. The IRowset interface handles fetches rows and data. The IRowsetInfo interface handles the rowset properties.

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