RANK_DENSE

Window functions

Syntax

RANK_DENSE( value [ , direction ] [ TOTAL | WITHIN [ dim1, ... ] | AMONG [ dim1, ... ] ] )

Description

Returns the rank of the current row if ordered by the given argument. Rows corresponding to the same value used for sorting have the same rank. If the first two rows both have rank of 1, then the next row (if it features a different value) will have rank 2, (rank without gaps).

If direction is "desc" or omitted, then ranking is done from greatest to least, if "asc", then from least to greatest.

See also RANK, RANK_UNIQUE, RANK_PERCENTILE.

Argument types:

value — Boolean | Date | Datetime | Number | String | UUID
direction — String

Return type: Number (whole)

Note

Only constant values are accepted for arguments (direction).

Examples

RANK_DENSE([Profit])

RANK_DENSE([Profit] TOTAL)

RANK_DENSE([Profit], "desc" WITHIN [Country])

RANK_DENSE([Profit] AMONG [Date])

Data source support

Materialized Dataset, ClickHouse 1.1, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3.