>From what I can read about partial updates, it will only work for
singleton fields where you can set them to something else, or
multi-valued fields where you can add something. I am testing on 4.1

I ran some tests to prove to me that you cannot do anything else to a
multi-valued field, like remove a value and do a partial update on the
whole list. It flattens the result to a comma delimited String when I
remove a value, from
       "details": [
          "here & there",
          "Hello there",
          "Oh Fudge"
        ],
to this
   "details": [
          "[here & there, Oh Fudge]"
        ],

Does this meant that I must remove the entire document and re-index it?

Many thanks in advance
Jack

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