Aggregated Field

This module defines a field which aggregates values of other multi-valued field into one value of the field.
The following aggregations are available:

• First item of the field
• Last item of the field
• Minimum item of the field
• Maximum item of the field
• Computed by the custom function

The possible usage of the aggregated field:

• Views sort filter which must be performed by single-valued field but the real data field is multi-valued