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* Functions starting with A * Functions starting with 'C' * More 'C' functions * Fix tests * Fix missing snippet * DATE_* functions * Apply suggestions from code review Co-authored-by: Bogdan Pintea <pintea@mailbox.org> --------- Co-authored-by: Bogdan Pintea <pintea@mailbox.org>
46 lines
829 B
Text
46 lines
829 B
Text
[discrete]
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[[esql-agg-count]]
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=== `COUNT`
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*Syntax*
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[source,esql]
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----
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COUNT([input])
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----
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*Parameters*
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`input`::
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Column or literal for which to count the number of values. If omitted, returns a
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count all (the number of rows).
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*Description*
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Returns the total number (count) of input values.
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*Supported types*
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Can take any field type as input.
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*Examples*
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[source.merge.styled,esql]
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----
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include::{esql-specs}/stats.csv-spec[tag=count]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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include::{esql-specs}/stats.csv-spec[tag=count-result]
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|===
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To count the number of rows, use `COUNT()` or `COUNT(*)`:
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[source.merge.styled,esql]
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----
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include::{esql-specs}/docs.csv-spec[tag=countAll]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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include::{esql-specs}/docs.csv-spec[tag=countAll-result]
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|===
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