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Documented [] syntax for buckets_path

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Closes #15707
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Clinton Gormley 2016-03-01 09:54:41 +01:00
parent 80e5c0acf8
commit 9674cbbe62
1 changed files with 16 additions and 2 deletions
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docs/reference/aggregations/pipeline.asciidoc
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@ -104,7 +104,7 @@ a metric embedded inside a sibling aggregation:
`sales_per_month` date histogram. `sales_per_month` date histogram.
[float] [float]
==== Special Paths === Special Paths
Instead of pathing to a metric, `buckets_path` can use a special `"_count"` path. This instructs Instead of pathing to a metric, `buckets_path` can use a special `"_count"` path. This instructs
the pipeline aggregation to use the document count as it's input. For example, a moving average can be calculated on the document the pipeline aggregation to use the document count as it's input. For example, a moving average can be calculated on the document
@ -128,6 +128,20 @@ count of each bucket, instead of a specific metric:
-------------------------------------------------- --------------------------------------------------
<1> By using `_count` instead of a metric name, we can calculate the moving average of document counts in the histogram <1> By using `_count` instead of a metric name, we can calculate the moving average of document counts in the histogram
[[dots-in-agg-names]]
[float]
=== Dealing with dots in agg names
An alternate syntax is supported to cope with aggregations or metrics which
have dots in the name, such as the ++99.9++th
<<search-aggregations-metrics-percentile-aggregation,percentile>>. This metric
may be referred to as:
[source,js]
---------------
"buckets_path": "my_percentile[99.9]"
---------------
[[gap-policy]] [[gap-policy]]
[float] [float]
=== Dealing with gaps in the data === Dealing with gaps in the data