Remarks
Call the typedef class CProcedureColumns to implement its parameter class CProcedureColumnInfo. See Schema Rowset Classes and Typedef Classes for more information on using typedef classes.
This class returns information about the columns of rowsets returned by procedures.
The following table lists the class data members and their corresponding OLE DB Columns. See PROCEDURE_COLUMNS Rowset in the OLE DB Programmer's Reference for more information about the schema and columns.
| Data members | OLE DB columns |
| m_szCatalog | PROCEDURE_CATALOG |
| m_szSchema | PROCEDURE_SCHEMA |
| m_szName | PROCEDURE_NAME |
| m_szColumnName | COLUMN_NAME |
| m_guidColumn | COLUMN_GUID |
| m_nColumnPropID | COLUMN_PROPID |
| m_nRowsetNumber | ROWSET_NUMBER |
| m_nOrdinalPosition | ORDINAL_POSITION |
| m_bIsNullable | IS_NULLABLE |
| m_nDataType | DATA_TYPE |
| m_guidType | TYPE_GUID |
| m_nMaxLength | CHARACTER_MAXIMUM_LENGTH |
| m_nOctetLength | CHARACTER_OCTET_LENGTH |
| m_nPrecision | NUMERIC_PRECISION |
| m_nScale | NUMERIC_SCALE |
| m_szDescription | DESCRIPTION |
#include <atldbsch.h>
See Also