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Sorting indexes by null values

Paul Paterson
  • Updated

An index entry is not added when either

  • all terms are null, or
  • all values are null

However, an entry will be created if some, but not all terms or values are null. 

If an Index returns values that include null, then sorting will follow the precedence explained in the documentation.

Also, the documentation for Index sorting includes a working example that sorts by null.