ElasticSearch a filed put to index doesnt show in the index

I am using the following code to insert new field to existing index. I don't want to reset the indexed data, just to add new field to existing index and old records in index should have null in field colour:

curl -XPUT '' -d '{ "event" : { "properties" : { "colour":{ "search_analyzer": "search_ngram", "analyzer": "index_ngram", "type": "text" } } }}'


Type event has new field colour but indexed elements doesnt.. Do I have to refresh the index somehow?

A change of the mapping will only affect new documents, if you want the old documents in the index to get the new / changed fields you will have to reindex them.

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