Map the lookup fields from the CSV to existing index

Elastic Stack Elasticsearch
1

Hello,

I need to map the fields existing in my index to a lookup file.
For eg: In index i am having field=value and in a csv i have value=name , so i need to map field=name. How can this be achieved.

So basically whenever I am searching field , i should also get name as result.

2

The best option is to do that during indexing time. Otherwise you can do a reindex to add it.

Alternatively you might be able to use synonyms for this via a custom search-time analyser, but that might be messy to maintain.

3

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