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SQL Translate API

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SQL Translate API

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The SQL Translate API accepts SQL in a JSON document and translates it into native Elasticsearch queries. For example:

response = client.sql.translate(
  body: {
    query: 'SELECT * FROM library ORDER BY page_count DESC',
    fetch_size: 10
  }
)
puts response

POST /_sql/translate
{
  "query": "SELECT * FROM library ORDER BY page_count DESC",
  "fetch_size": 10
}

Which returns:

{
  "size": 10,
  "_source": false,
  "fields": [
    {
      "field": "author"
    },
    {
      "field": "name"
    },
    {
      "field": "page_count"
    },
    {
      "field": "release_date",
      "format": "strict_date_optional_time_nanos"
    }
  ],
  "sort": [
    {
      "page_count": {
        "order": "desc",
        "missing": "_first",
        "unmapped_type": "short"
      }
    }
  ],
  "track_total_hits": -1
}

Which is the request that SQL will run to provide the results. In this case, SQL will use the scroll API. If the result contained an aggregation then SQL would use the normal search API.

The request body accepts the same parameters as the SQL search API, excluding cursor.

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