Takes a where clause and returns a QueryResultSet of SystemRecord instances containing MetadataRecord OIDs.
The query parameter is a where clause in the 5800 system query syntax, which is a subset of SQL.
Returns a QueryResultSet. The results are stepped through by calling the next method and using the typed getXXX accessor methods.
For more information on the 5800 system query language, refer to Chapter 4, Sun StorageTek 5800 System Query Language.