'Cast type at index time of document

Once ES has dynamically mapped a type to a specific field, is it possible to automatically cast all future values to this type?

Specifically, I want to do this as part of my bulk upload. I don't care if there's data loss- I just don't want to bother with explicitly defining a mapping.

python

Solution 1:^[1]

Elasticsearch will try to coerce things (mostly for numbers), but it'll ultimately reject documents that don't match the mapping

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Solution	Source
Solution 1	Mark Walkom

'Cast type at index time of document

Solution 1:[1]

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Solution 1:^[1]