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LAST_K_EACH

Gets the last K values per given group.

Syntax

LAST_K_EACH([MAX_VALUES,] K, GROUP, VALUE)

Arguments

MAX_VALUES

Type:
Default: 2,147,483,647
(Optional) The maximum number of entries that are counted. If omitted, there is effectively no limit.

K

Type: integer
The number of entries to return.

GROUP

Type: any
The field to group by.

VALUE

Type: any
The field to get the last value(s) of.

Returns

Type: array
Returns an array of key-value pairs where each GROUP is matched to an array of the last K values of VALUE seen for that group.