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function	SQLColumns

Library: ODBC Include: omodbc.xin

Returns: Numeric An SQL return code. The following values may be returned: SQL_SUCCESS (the list was retrieved). SQL_SUCCESS_WITH_INFO (the list was retrieved, but a message was issued). SQL_ERROR (an error occurred). SQL_INVALID_HANDLE (the handle is invalid). SQL_STILL_EXECUTING (the program is still executing).

Declaration

  define external counter function SQLColumns
     (  read-only SQL_handle_type StatementHandle,
        value stream CatalogName,
        value counter NameLength1,
        value stream SchemaName,
        value counter NameLength2,
        value stream TableName,
        value counter NameLength3,
        value stream ColumnName,
        value counter NameLength4 )

Returns the list of column names in specified tables. The information is returned as a result set on the specified statement handle.

Input arguments:

• StatementHandle.
• CatalogName.The catalog name. If a driver supports catalogs for some tables but not others, such as when the driver retrieves data from different DBMSs, an empty string ("") denotes tables without catalogs. CatalogName cannot contain a string search pattern.
• NameLength1. The length of CatalogName.
• SchemaName. The string-search pattern for schema names. If a driver supports schemas for some tables but not others, such as when the driver retrieves data from different DBMSs, an empty string ("") denotes tables without schemas.
• NameLength2. The length of SchemaName.
• TableName. The string-search pattern for table names.
• NameLength3. The length of TableName.
• ColumnName. The string-search pattern for column names.
• NameLength4. The length of ColumnName.