mapping not working for a field in elasticsearch

Question

I put the mapping for a field question_title, with following:

PUT mac/_settings
{
  "mappings": {
    "ask_expert_published_prod": {
      "properties": {
        "question_title": {
          "type": "string",
          "analyzer": "english"
        }
      }
    }
  }
}

But, when i see the mapping for the type through:

GET myindex/mytype/_mapping

it still shows only type='string' for the field, as following:

"question_title": {
                  "type": "string"
               },

Was the mapping properly updated on the field. If not, how can I do it.

Val · Accepted Answer · 2016-03-17 13:28:51Z

1

In your initial command, remove _settings from the path, since it is only for updating the index settings not mappings.

Simply run this:

PUT mac
{
  "mappings": {
    "ask_expert_published_prod": {
      "properties": {
        "question_title": {
          "type": "string",
          "analyzer": "english"
        }
      }
    }
  }
}

answered Mar 17, 2016 at 13:28

Val

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6 Comments

clint Over a year ago

when i execute the above, it gives error "index already exists".. How do we resolve that? When I give with _settings, it at least goes through and says "acknowledged" : true.

Val Over a year ago

Simply delete the index first with DELETE mac

clint Over a year ago

No, i dont want to delete the index, as i have lot of data in it. Can't i update it.

Val Over a year ago

Your indexed data is worthless anyway, since you want to change the mapping you'll have to re-index it all anyway.

clint Over a year ago

so, @val, i will tell u the exact thing. See i created the index first, then inserted data in one of the types and then i added the analyzer, so want to know if the analyzer will be applied to all the fields of the type by default. If no, how to make sure the newly added analyzer works for appropriate fields.

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