Make MetadataElement extend java.sql.Wrapper
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#68 Make MetadataElement extend java.sql.Wrapper
Make MetadataElement extend java.sql.Wrapper. This will allow drivers to attach non-standard metadata to elements (cubes, dimensions, hierarchies, levels, members).
See http://jira.pentaho.com/browse/MONDRIAN-1063 for a use case involving passing Mondrian annotations.
Impact is moderate. Existing drivers will have to be modified to support the two new methods.