Ordinary Arguments
When a catalog function string argument is an ordinary argument, it is treated as a literal string. An ordinary argument accepts neither a string search pattern nor a list of values. The case of an ordinary argument is significant, and quote characters in the string are taken literally. These arguments are treated as ordinary arguments if the SQL_ATTR_METADATA_ID statement attribute is set to SQL_FALSE; they are treated as identifier arguments instead if this attribute is set to SQL_TRUE.
If an ordinary argument is set to a null pointer and the argument is a required argument, the function returns SQL_ERROR and SQLSTATE HY009 (Invalid use of null pointer). If an ordinary argument is set to a null pointer and the argument is not a required argument, the argument's behavior is driver-dependent. The required arguments are listed in the following table.
Function | Required arguments |
---|---|
SQLColumnPrivileges | TableName |
SQLForeignKeys | PKTableName, FKTableName |
SQLPrimaryKeys | TableName |
SQLSpecialColumns | TableName |
SQLStatistics | TableName |
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