Hi I wand to update specific fields with its substring value MSISDN: "444123456" replace with MSISDN: "123456" is there a way how to write update query ? What is the best way to do such thing. thank you P POST test_index/_update_by_query { "script": { "source":""" ctx._source.…

Think you are looking for this. ctx._source.MSISDN = ctx._source.MSISDN.substring(3, 9);

_update_by_query with substring

aaron-nimocks (Aaron Nimocks) November 9, 2021, 6:45pm 4

I learn best by watching video tutorials. Painless is Java (for the most part).

A free course on Java on YouTube is where I would go to start.

1 Like

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_update_by_query with substring

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