Remarks
Call the typedef class CProviderTypes to implement its parameter class CProviderInfo. See Schema Rowset Classes and Typedef Classes for more information on using typedef classes.
This class identifies the (base) data types supported by the data provider.
The following table lists the class data members and their corresponding OLE DB Columns. See PROVIDER_TYPES Rowset in the OLE DB Programmer's Reference for more information about the schema and columns.
| Data members | OLE DB columns |
| m_szTypeName | TYPE_NAME |
| m_nDataType | DATA_TYPE |
| m_nColumnSize | COLUMN_SIZE |
| m_szLiteralPrefix | LITERAL_PREFIX |
| m_szLiteralSuffix | LITERAL_SUFFIX |
| m_szCreateParams | CREATE_PARAMS |
| m_bIsNullable | IS_NULLABLE |
| m_bCaseSensitive | CASE_SENSITIVE |
| m_nSearchable | SEARCHABLE |
| m_bUnsignedAttribute | UNSIGNED_ATTRIBUTE |
| m_bFixedPrecScale | FIXED_PREC_SCALE |
| m_bAutoUniqueValue | AUTO_UNIQUE_VALUE |
| m_szLocalTypeName | LOCAL_TYPE_NAME |
| m_nMinScale | MINIMUM_SCALE |
| m_nMaxScale | MAXIMUM_SCALE |
| m_guidType | GUID |
| m_szTypeLib | TYPELIB |
| m_szVersion | VERSION |
| m_bIsLong | IS_LONG |
| m_bBestMatch | BEST_MATCH |
#include <atldbsch.h>
See Also