Prefix query #

Returns documents that contain a specific prefix in a provided field.

Inside a nested query: not supported yet — the clause is rejected with an HTTP 400 naming the offending clause.

Examples #

The following search returns documents where the org.id field contains a term that begins with inf.

GET /_search
{
  "query": {
    "prefix": {
      "field": "org.id",
      "value": "inf"
    }
  }
}

Parameters for prefix #

• field
  (Required, string) Field you wish to search.
• value
  (Required, string) Beginning characters of terms you wish to find in the provided field.
• case_insensitive
  (Optional, boolean) Allows ASCII case insensitive matching of the value with the indexed field values when set to true. Default is false.
• boost
  (Optional, float, default: 1.0) Decrease or increase the relevance scores of the query.
• rewrite
  (Optional, string) Method used to rewrite the expanded terms (constant_score, scoring_boolean, top_terms_N, …).