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- Solr Xpath support slow or weekweak
- Delimiter option alternateId=NRO;MyDoc;20170404T04:04:04Z;1234-1234Z
- Positional option (temporalCoverage.dateStart[4] corresponds to temporal Coverage.dateEnd[4])
- Metacard encoding (Contact[0] = metacard4321-4321-4321-4321-4321-4321-4321-4321
- Via Associations (an associated metacard contains the contact information in a contact metacard)
- Store these types of data as XML. Would need to have a custom renderer associated with the attribute for the UI and possibly custom backend logic so queries could be made correctly.
- Create a Collection Attribute type that contains a collection of other element types. Possibly serialize this type as XML.
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