2013-08-28 19:24:34 -04:00
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[[query-dsl-range-query]]
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2015-06-03 19:59:22 -04:00
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=== Range Query
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2013-08-28 19:24:34 -04:00
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Matches documents with fields that have terms within a certain range.
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The type of the Lucene query depends on the field type, for `string`
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fields, the `TermRangeQuery`, while for number/date fields, the query is
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a `NumericRangeQuery`. The following example returns all documents where
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`age` is between `10` and `20`:
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[source,js]
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--------------------------------------------------
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{
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"range" : {
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"age" : {
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"gte" : 10,
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"lte" : 20,
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"boost" : 2.0
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}
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}
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}
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--------------------------------------------------
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2013-09-12 09:07:15 -04:00
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The `range` query accepts the following parameters:
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2013-09-12 09:07:15 -04:00
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[horizontal]
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`gte`:: Greater-than or equal to
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`gt`:: Greater-than
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`lte`:: Less-than or equal to
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`lt`:: Less-than
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`boost`:: Sets the boost value of the query, defaults to `1.0`
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2014-09-22 13:40:16 -04:00
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2015-08-06 11:24:29 -04:00
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[[ranges-on-dates]]
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==== Ranges on date fields
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When running `range` queries on fields of type <<date,`date`>>, ranges can be
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specified using <<date-math>>:
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2014-07-31 10:22:03 -04:00
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[source,js]
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--------------------------------------------------
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{
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"range" : {
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"date" : {
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"gte" : "now-1d/d",
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"lt" : "now/d"
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}
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}
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}
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--------------------------------------------------
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2015-08-06 11:24:29 -04:00
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===== Date math and rounding
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When using <<date-math,date math>> to round dates to the nearest day, month,
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hour, etc, the rounded dates depend on whether the ends of the ranges are
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inclusive or exclusive.
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Rounding up moves to the last millisecond of the rounding scope, and rounding
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down to the first millisecond of the rounding scope. For example:
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[horizontal]
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`gt`::
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Greater than the date rounded up: `2014-11-18||/M` becomes
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`2014-11-30T23:59:59.999`, ie excluding the entire month.
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`gte`::
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Greater than or equal to the date rounded down: `2014-11-18||/M` becomes
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`2014-11-01`, ie including the entire month.
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`lt`::
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Less than the date rounded down: `2014-11-18||/M` becomes `2014-11-01`, ie
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excluding the entire month.
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`lte`::
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Less than or equal to the date rounded up: `2014-11-18||/M` becomes
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`2014-11-30T23:59:59.999`, ie including the entire month.
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2015-08-06 11:24:29 -04:00
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===== Date format in range queries
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2015-08-06 11:24:29 -04:00
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Formatted dates will be parsed using the <<mapping-date-format,`format`>>
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specified on the <<date,`date`>> field by default, but it can be overridden by
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passing the `format` parameter to the `range` query:
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[source,js]
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--------------------------------------------------
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{
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"range" : {
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"born" : {
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"gte": "01/01/2012",
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"lte": "2013",
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"format": "dd/MM/yyyy||yyyy"
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}
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}
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}
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--------------------------------------------------
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===== Time zone in range queries
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Dates can be converted from another timezone to UTC either by specifying the
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time zone in the date value itself (if the <<mapping-date-format, `format`>>
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accepts it), or it can be specified as the `time_zone` parameter:
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[source,js]
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--------------------------------------------------
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{
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"range" : {
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"timestamp" : {
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"gte": "2015-01-01 00:00:00", <1>
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"lte": "now", <2>
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"time_zone": "+01:00"
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}
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}
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}
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--------------------------------------------------
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<1> This date will be converted to `2014-12-31T23:00:00 UTC`.
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<2> `now` is not affected by the `time_zone` parameter (dates must be stored as UTC).
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