Nested documents in Elasticsearch

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长情又很酷
长情又很酷 2021-02-07 01:09

I\'m writing an asset management application. It lets users store arbitrary asset attributes by adding an html control such as a text field, select menu, etc. to the asset. A JS

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  •  执念已碎
    2021-02-07 01:38

    The problem is arising from the way your document is structured. attribute.data is both a string/array of strings and a full, inner object. ES doesn't allow the "type" of a property to change.

    Basically, you can't have this:

    "data": [
      "0d7e6233e5f48b4f55c5376bf00b1be5",
      "0d7e6233e5f48b4f55c5376bf00d94cf"
    ],
    

    and this:

    
    "data":[
      {
        "text":"Button 1",
        "checked":false
      },
      {
        "text":"Button 2",
        "checked":true
      }
    ],
    

    in the same document. The first instance of data tells ES that "data is an array of strings". But then the second instance of data says "Hey, I'm an object!", which is why ES is throwing an error.

    You can sidestep this issue by explicitly declaring data as an object and setting enabled: false, but this is probably not the solution you want (since that just tells ES to store data as a text field, with no parsing.

    The other option is to either restructure your data, or split data into it's document (e.g. Parent/Child mapping)

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