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82 lines
4.9 KiB
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82 lines
4.9 KiB
Text
[[data-table]]
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=== Data Table
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include::y-axis-aggs.asciidoc[]
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The rows of the data table are called _buckets_. You can define buckets to split the table into rows or to split
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the table into additional tables.
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Each bucket type supports the following aggregations:
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*Date Histogram*:: A {ref}search-aggregations-bucket-datehistogram-aggregation.html[_date histogram_] is built from a
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numeric field and organized by date. You can specify a time frame for the intervals in seconds, minutes, hours, days,
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weeks, months, or years. You can also specify a custom interval frame by selecting *Custom* as the interval and
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specifying a number and a time unit in the text field. Custom interval time units are *s* for seconds, *m* for minutes,
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*h* for hours, *d* for days, *w* for weeks, and *y* for years. Different units support different levels of precision,
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down to one second.
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*Histogram*:: A standard {ref}search-aggregations-bucket-histogram-aggregation.html[_histogram_] is built from a
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numeric field. Specify an integer interval for this field. Select the *Show empty buckets* checkbox to include empty
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intervals in the histogram.
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*Range*:: With a {ref}search-aggregations-bucket-range-aggregation.html[_range_] aggregation, you can specify ranges
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of values for a numeric field. Click *Add Range* to add a set of range endpoints. Click the red *(x)* symbol to remove
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a range.
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*Date Range*:: A {ref}search-aggregations-bucket-daterange-aggregation.html[_date range_] aggregation reports values
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that are within a range of dates that you specify. You can specify the ranges for the dates using
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{ref}common-options.html#date-math[_date math_] expressions. Click *Add Range* to add a set of range endpoints.
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Click the red *(/)* symbol to remove a range.
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*IPv4 Range*:: The {ref}search-aggregations-bucket-iprange-aggregation.html[_IPv4 range_] aggregation enables you to
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specify ranges of IPv4 addresses. Click *Add Range* to add a set of range endpoints. Click the red *(/)* symbol to
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remove a range.
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*Terms*:: A {ref}search-aggregations-bucket-terms-aggregation.html[_terms_] aggregation enables you to specify the top
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or bottom _n_ elements of a given field to display, ordered by count or a custom metric.
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*Filters*:: You can specify a set of {ref}search-aggregations-bucket-filters-aggregation.html[_filters_] for the data.
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You can specify a filter as a query string or in JSON format, just as in the Discover search bar. Click *Add Filter* to
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add another filter. Click the image:images/labelbutton.png[] *label* button to open the label field, where you can type
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in a name to display on the visualization.
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*Significant Terms*:: Displays the results of the experimental
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{ref}search-aggregations-bucket-significantterms-aggregation.html[_significant terms_] aggregation. The value of the
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*Size* parameter defines the number of entries this aggregation returns.
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*Geohash*:: The {ref}search-aggregations-bucket-geohashgrid-aggregation.html[_geohash_] aggregation displays points
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based on the geohash coordinates.
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Once you've specified a bucket type aggregation, you can define sub-aggregations to refine the visualization. Click
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*+ Add Sub Aggregation* to define a sub-aggregation, then choose *Split Rows* or *Split Table*, then select a
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sub-aggregation from the list of types.
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You can use the up or down arrows to the right of the aggregation's type to change the aggregation's priority.
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Enter a string in the *Custom Label* field to change the display label.
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You can click the *Advanced* link to display more customization options for your metrics or bucket aggregation:
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*Exclude Pattern*:: Specify a pattern in this field to exclude from the results.
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*Exclude Pattern Flags*:: A standard set of Java flags for the exclusion pattern.
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*Include Pattern*:: Specify a pattern in this field to include in the results.
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*Include Pattern Flags*:: A standard set of Java flags for the inclusion pattern.
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*JSON Input*:: A text field where you can add specific JSON-formatted properties to merge with the aggregation
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definition, as in the following example:
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[source,shell]
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{ "script" : "doc['grade'].value * 1.2" }
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NOTE: In Elasticsearch releases 1.4.3 and later, this functionality requires you to enable
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{ref}modules-scripting.html[dynamic Groovy scripting].
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The availability of these options varies depending on the aggregation you choose.
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Select the *Options* tab to change the following aspects of the table:
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*Per Page*:: This field controls the pagination of the table. The default value is ten rows per page.
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Checkboxes are available to enable and disable the following behaviors:
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*Show metrics for every bucket/level*:: Check this box to display the intermediate results for each bucket aggregation.
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*Show partial rows*:: Check this box to display a row even when there is no result.
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NOTE: Enabling these behaviors may have a substantial effect on performance.
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[float]
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[[datatable-viewing-detailed-information]]
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=== Viewing Detailed Information
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include::visualization-raw-data.asciidoc[]
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