elasticsearch/docs/reference/query-languages/query-dsl-span-query.md

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Span or	https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-span-or-query.html

Span or query [query-dsl-span-or-query]

Matches the union of its span clauses. Here is an example:

GET /_search
{
  "query": {
    "span_or" : {
      "clauses" : [
        { "span_term" : { "field" : "value1" } },
        { "span_term" : { "field" : "value2" } },
        { "span_term" : { "field" : "value3" } }
      ]
    }
  }
}

The clauses element is a list of one or more other span type queries.