Some example queries using elastic.js

DSL Examples

# simple match all query with term facet
ejs.Request()
    .indices("myindex")
    .types("mytype")
    .query(ejs.MatchAllQuery())
    .facet(
        ejs.TermsFacet('url')
            .field('url')
            .size(20))

# filtered query with GeoDistance filter
ejs.Request()
    .indices("myindex")
    .types("mytype")
    .query(
        ejs.FilteredQuery(
            ejs.MatchAllQuery(),
            ejs.GeoDistanceFilter("location")
                .distance(10)
                .point(ejs.GeoPoint([40.53555, -75.57655]))))

# an advanced dismax query used to return "featured results"
ejs.Request()
    .indices("myindex")
    .types("mytype")
    .query(
        ejs.BoolQuery()
            .should(
                ejs.FilteredQuery(
                    ejs.DisMaxQuery()
                        .queries(ejs.MatchQuery('title', 'keyword'))
                        .queries(ejs.MatchQuery('content', 'keyword'))
                        .queries(ejs.MatchQuery('title', 'keyword')
                            .boost(2)
                            .type('phrase')
                            .slop(5))
                        .queries(ejs.MatchQuery('content', 'keyword')
                            .boost(2)
                            .type('phrase')
                            .slop(20))
                        .tieBreaker(0.1),
                    ejs.NotFilter(ejs.TypeFilter('featured'))))
            .should(
                ejs.ConstantScoreQuery()
                    .query(ejs.MatchQuery('keywords', 'keyword'))
                    .boost(1000000)))

# basic mult-select faceting
var colors = ejs.TermsFilter('color', ['green', 'red']),
    shapes = ejs.TermsFilter('shape', ['square']),
      tags = ejs.TermsFilter('tags', ['tag2', 'tag4']),
  keywords = ejs.TermsFilter('keywords', ['keyword2', 'keyword3'])

ejs.Request()
    .query(ejs.MatchAllQuery())
    .filter(ejs.AndFilter([colors, shapes, tags, keywords]))
    .facet(
        ejs.TermsFacet('shapeFacet')
            .field('shape')
            .allTerms(true)
            .facetFilter(ejs.AndFilter([colors, tags, keywords])))
    .facet(
        ejs.TermsFacet('colorFacet')
            .field('color')
            .allTerms(true)
            .facetFilter(ejs.AndFilter([shapes, tags, keywords])))
    .facet(
        ejs.TermsFacet('tagsFacet')
            .field('tags')
            .allTerms(true)
            .facetFilter(ejs.AndFilter([colors, shapes, keywords])))
    .facet(
        ejs.TermsFacet('keywordsFacet')
            .field('keywords')
            .allTerms(true)
            .facetFilter(ejs.AndFilter([shapes, tags, keywords])))