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IDBSchemaRowsetImpl::GetRowset

  • 아티클

 

The latest version of this topic can be found at IDBSchemaRowsetImpl::GetRowset.

Returns a schema rowset.

Syntax

  
      STDMETHOD (GetRowset)(  
   IUnknown *pUnkOuter,  
   REFGUID rguidSchema,  
   ULONG cRestrictions,  
   const VARIANT rgRestrictions[],  
   REFIID riid,  
   ULONG cPropertySets,  
   DBPROPSET rgPropertySets[],  
   IUnknown **ppRowset   
);

Parameters

pUnkOuter
[in] An outer IUnknown when aggregating; otherwise NULL.

rguidSchema
[in] A reference to the requested schema rowset GUID (for example, DBSCHEMA_TABLES).

cRestrictions
[in] A count of restrictions to be applied to the rowset.

rgRestrictions
[in] An array of cRestrictionsVARIANTs that represent the restrictions.

riid
[in] The IID to request of the newly created schema rowset.

cPropertySets
[in] The number of property sets to set.

rgPropertySets
[in/out] An array of DBPROPSET structures to set on the newly created schema rowset.

ppRowset
[out] A pointer to the requested interface on the newly created schema rowset.

Remarks

This method requires the user to have a schema map in the session class. Using the schema map information, GetRowset creates a given rowset object if the rguidSchema parameter is equal to one of the map entries GUIDs. See SCHEMA_ENTRY for a description of the map entry.

See IDBSchemaRowset::GetRowset in the Windows SDK.

Requirements

Header: atldb.h

See Also

IDBSchemaRowsetImpl Class
IDBSchemaRowsetImpl Class Members
IDBSchemaRowsetImpl::GetSchemas
Schema Rowset Classes and Typedef Classes