Modelize multiple keywords in one field

Question

I have some products that I want to index in an elasticsearch system. One of the field describing these products is the colour. For instance:

Red
Blue
...

Some of my products can have two or more colours.

Later on, I want to use facets (aggregation) on this field. And, if I understood correctly, you need to base facets on the type "keyword". So I was hoping to do something like that:

PUT products/product/1
{
  "name": "Trousers",
  "colour": "blue, brown",
}

But, as far as I can tell, what I'm doing here is creating a new keyword "blue, brown" instead of attaching two keywords to my product.

So, how do you input several keywords into one keyword field? Or should I use another approach?

Have you had success with my suggested approach of using an array? — apt-get_install_skill, Jan 26 '20 at 19:15
@apt-get_install_skill I did not have time to try it yet. I'll let you know for sure. — Legisey, Jan 28 '20 at 10:27

score 1 · Accepted Answer · edited Jun 20 '20 at 09:12

1

Q: So, how do you input several keywords into one keyword field?

A: I would store the values in an array that is of type keyword.

You would index your documents like so:

PUT products/product/1
{
  "name": "Trousers",
  "colour": ["blue", "brown"]
}

edited Jun 20 '20 at 09:12

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answered Jan 23 '20 at 16:57

apt-get_install_skill

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Modelize multiple keywords in one field

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