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CColumns, CColumnsInfo

Call the typedef class CColumns to implement its parameter class CColumnsInfo.

Remarks

See Schema Rowset Classes and Typedef Classes for more information on using typedef classes.

This class identifies the columns of tables defined in the catalog that are accessible to a given user.

The following table lists the class data members and their corresponding OLE DB Columns. See COLUMNS Rowset in the OLE DB Programmer's Reference for more information about the schema and columns.

Data members OLE DB columns
m_szTableCatalog TABLE_CATALOG
m_szTableSchema TABLE_SCHEMA
m_szTableName TABLE_NAME
m_szColumnName COLUMN_NAME
m_guidColumn COLUMN_GUID
m_nColumnPropID COLUMN_PROPID
m_nOrdinalPosition ORDINAL_POSITION
m_bColumnHasDefault COLUMN_HASDEFAULT
m_szColumnDefault COLUMN_DEFAULT
m_nColumnFlags COLUMN_FLAGS
m_bIsNullable IS_NULLABLE
m_nDataType DATA_TYPE
m_guidType TYPE_GUID
m_nMaxLength CHARACTER_MAXIMUM_LENGTH
m_nOctetLength CHARACTER_OCTET_LENGTH
m_nNumericPrecision NUMERIC_PRECISION
m_nNumericScale NUMERIC_SCALE
m_nDateTimePrecision DATETIME_PRECISION
m_szCharSetCatalog CHARACTER_SET_CATALOG
m_szCharSetSchema CHARACTER_SET_SCHEMA
m_szCharSetName CHARACTER_SET_NAME
m_szCollationCatalog COLLATION_CATALOG
m_szCollationSchema COLLATION_SCHEMA
m_szCollationName COLLATION_NAME
m_szDomainCatalog DOMAIN_CATALOG
m_szDomainSchema DOMAIN_SCHEMA
m_szDomainName DOMAIN_NAME
m_szDescription DESCRIPTION

Requirements

Header: atldbsch.h

See Also

CatDB | CRestrictions

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