Hi, We have a requirement wherein we want to combine two fields into one field during reindex. For Example: Original Index: field1: firstname field2: lastname After reindex: Name: firstname lastname I have checked some documents on reindex and _update_by_query but I am not able to find my re…

@Nikhil04 here is a simple example of what I am trying to say. Downside is that the target index will have to create a mapping for the two fields, but you don't have to store them in the document. As I wrote before, the fields can be removed in the reindex script. Here is the example: PUT index_4 {…

Combining two fields into one during Reindex

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Nikhil04 (Nikhil) August 15, 2019, 5:02pm 7

Hi @newbie1,

Yes, I have tried with sample data.After using reindex and copy_to to create a new field(containing combined value from other two fields ), it will create the new field and you can also use search based on the new field but the new field will not visible in "Discover".

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Combining two fields into one during Reindex

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