How to write mapping for an array of array in elastic search?

Question

I have a field which is a 3d array, and don't want ES to index it.

The problem is how to write its type in mapping? Should I use {index: false} or {enabled: false}?

Val · Accepted Answer · 2017-11-21 05:03:11Z

1

You can use enabled only at the mapping type level (i.e. for the whole type) or for object types.

Since you have an array, you simply need to use index: false instead.

The field can simply have a type text (+ keyword if you need exact matches) since the array will be flattened:

      "my_field": {
        "type": "text",
        "fields": {
          "keyword": {
            "type": "keyword",
            "ignore_above": 256
          }
        }
      }

edited Nov 21, 2017 at 5:03

answered Nov 17, 2017 at 12:20

Val

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3 Comments

Timothy Zhang Over a year ago

Thanks for you answer. But what type should be specified? If I omit type field, it complains that "No type specified for field [xxx]"

Val Over a year ago

You need to set the type that matches the type of your data. Can you show a sample 3d array that you have?

Timothy Zhang Over a year ago

It's something like this: {"my_field": [[["a-1", "a-2"], ["b-1", "b-2"]], [["c-1", "c-2"], ["d-1", "d-2"]]]}.

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