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Some example queries using elastic.js · GitHub
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Some example queries using elastic.js
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| # 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]))) | |
Aggregations with nested and using filters with and filter....... :)
ejs.Request().agg(
ejs.FilterAggregation('MainFilter').filter
(
ejs.AndFilter
([
ejs.TermFilter('Hospital','XXX'),
ejs.RangeFilter('log_date').from('2014-05-05 00:00:00.000').to('2014-05-11 00:00:00.000')
])
)
.agg
(
ejs.DateHistogramAggregation('DailyTime').field('log_date').interval('1d').format('E')
.agg
(
ejs.DateHistogramAggregation('HourlyTime').field('log_date').interval('1h')
.agg
(
ejs.SumAggregation('hourlyEDuration').field('EDuration')
)
.agg
(
ejs.CardinalityAggregation('hourlyECount').field('RowKEy')
)
)
.agg
(
ejs.SumAggregation('dailyEDuration').field('EDuration')
)
.agg
(
ejs.CardinalityAggregation('dailyECount').field('RowKEy')
)
)
)
These examples are extremely helpful, so I'm contributing back a query that I just wrote.
ejs.Request()
.size(0)
.query(ejs.FilteredQuery(
ejs.MatchAllQuery(),
ejs.BoolFilter()
.must(ejs.PrefixFilter('host', 'els-host'))
.must(ejs.RangeFilter('CollectionDateTime').gte('now-5m'))
))
.agg(ejs.TermsAggregation('host').field('host')
.agg(ejs.StatsAggregation('all').field('jvm.mem.heap_used_percent'))
.agg(ejs.FilterAggregation('highwater')
.filter(ejs.RangeFilter('jvm.mem.heap_used_percent').gt(68))
.agg(ejs.ValueCountAggregation('count').field('jvm.mem.heap_used_percent'))
)
)
;
This query expands to the following JSON.
{
"size": 0,
"query": {
"filtered": {
"query": {"match_all": {}},
"filter": {
"bool": {
"must": [
{"prefix": {"host": "els-host"}},
{"range": {"CollectionDateTime": {"gte": "now-5m"}}}
]
}
}
}
},
"aggs": {
"host": {
"terms": {"field": "host"},
"aggs": {
"all": {"stats": {"field": "jvm.mem.heap_used_percent"}},
"highwater": {
"filter": {"range": {"jvm.mem.heap_used_percent": {"gt": 68}}
},
"aggs": {
"count": {
"value_count": {"field": "jvm.mem.heap_used_percent"}
}
}
}
}
}
}
}
Good job.
Thank you. I found these useful. Some of the queries I wrote(and combined painstakingly):
var searchQuery = ejs.BoolQuery()
.should(ejs.MultiMatchQuery(["qualifiedProductName^1.5", "qualifiedProductName.shingles"])
.query('{{query_string}}')
.type('most_fields')
.minimumShouldMatch('65%')
.cutoffFrequency(0.01)
.lenient(true)
.boost(12))
.should(ejs.NestedQuery('dcs')
.query(ejs.MultiMatchQuery(["dcs.departmentName^8", "dcs.categoryName^2", "dcs.subCategoryName"])
.query('{{query_string}}')
.type('best_fields')
.minimumShouldMatch('75%')
.tieBreaker(0.3)
.fuzziness('AUTO')
.lenient(true)
.boost(4)))
.should(ejs.MultiMatchQuery([
"collectionsFeature^1.5", "colourFeature^1.5",
"materialFeature^1.5", "genderFeature^2",
"sizeDiapersFeature^2", "longDesc"
])
.query('{{query_string}}')
.type('most_fields')
.minimumShouldMatch('20%')
.fuzziness('AUTO')
.lenient(true)
.boost(2))
.should(ejs.MatchQuery('productId', '{{query_string}}'));
var topHitsAggs = ejs.Request()
.agg(ejs.TermsAggregation('variantGrouping')
.field('virtualGroupingId')
.size(0)
.order('max_score', 'desc')
.agg(ejs.TopHitsAggregation('variants').size(60))
.agg(ejs.MaxAggregation('max_score').lang('expression').script('_score')));
var facetAggs = JSON.parse(JSON.stringify(ejs.Request()
.agg(ejs.NestedAggregation('dcs')
.path('dcs')
.agg(ejs.TermsAggregation('departmentName')
.size(0)
.field('dcs.departmentName.raw')
.agg(ejs.TermsAggregation('categoryName')
.size(0)
.field('dcs.categoryName.raw')
.agg(ejs.TermsAggregation('subCategoryName')
.size(0)
.field('dcs.subCategoryName.raw')))))
.agg(ejs.HistogramAggregation('price')
.field('defaultPrice')
.minDocCount(1)
.interval(500))
.agg(ejs.StatsAggregation('priceStats')
.field('defaultPrice'))
.agg(ejs.HistogramAggregation('discountPercent')
.field('discountPercent')
.interval(10))
.agg(ejs.TermsAggregation('brand')
.field('brandName')
.size(0)
.order('_term', 'asc'))
.agg(ejs.TermsAggregation('colour')
.field('colourFeature.raw')
.size(0)
.order('_term', 'asc')).toJSON()));
# some code
return ejs.Request()
.agg(ejs.NestedAggregation('dynamicAggs')
.path('aggregationFields')
.agg(ejs.FilterAggregation('dynamicfilter')
.filter(termFilter)
.agg(ejs.TermsAggregation('key')
.field('aggregationFields.key')
.size(0)
.agg(ejs.TermsAggregation('value')
.field('aggregationFields.value')
.size(0)))));
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please also write a sample to query inner/nested object fields