Convert string field in number using painless script in existing index kibana

Elastic Stack Kibana
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Hi Team,I have one index in which I have one string field that I want to convert in int type using painless script in kibana tool.

How I can do it.Please let me know.

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hi @kanchan,

from the painless documentation, https://www.elastic.co/guide/en/elasticsearch/painless/6.x/painless-api-reference.html#painless-api-reference-Integer, it seems you can use Integer.parseInt(...).

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