desc

Description

Specify the ordering as descending when processing data. This is used by ordered windowing functions (like lag and last), ordered aggregation functions (like array_agg) and the sort verb.

Return type

ordering

Domain

This is a scalar function (calculates a single output value for a single input row.)

Categories

• Misc

Usage

desc( columnname )

Argument	Type	Required	Multiple	Constant
columnname	ordering	Required	Only one	Variable

Examples

sort desc(foo)

Sort the dataset in descending order by values in column foo.

statsby list:array_agg(username, desc(timestamp)), group_by(hostname)

Lists all users for each host, in order of descending timestamp within each host assuming you have a table with columns timestamp, hostname and username.