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elasticsearchHow do I use an elasticsearch filter?

An Elasticsearch filter is a query that is used to limit the search results within a specific index or type. It can be used to filter out documents that do not match a certain criteria.

For example, the following code block can be used to filter out documents with a field called "status" that is not equal to "published":

GET /my_index/_search
  "query": {
    "bool": {
      "filter": {
        "term": {
          "status": "published"

The code block consists of the following parts:

  • GET /my_index/_search: This is the request URL which specifies the index to search.

  • query: This is the query object which contains the filter.

  • bool: This is the boolean query which allows for combining multiple queries.

  • filter: This is the filter object which contains the criteria for filtering the documents.

  • term: This is the term query which is used to match the specific field of the document.

  • status: This is the field name which is used to filter the documents.

  • published: This is the value which is used to filter out the documents that do not match the criteria.

For more information on using Elasticsearch filters, see the Elasticsearch documentation.

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