How to query the docs of an index having the time filter is null

Elastic Stack Elasticsearch
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Some of the docs in an index having the time filter is null/none/no value. How to create a GET query to filter out those documents?

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you can use the exists query, see https://www.elastic.co/guide/en/elasticsearch/reference/7.4/query-dsl-exists-query.html

Use a bool query with a must_not clause, that contains the exists query, basically searching for a document where this field does not exist.

--Alex

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