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Version: 24.3.x

Categories: Window

DENSE_RANK

Returns the rank of the current row within its partition and ordering. Rows that are equal will have the same rank.

Syntax

DENSE_RANK() OVER ( [PARTITION BY partition_expression] [ORDER BY order_expression]) → bigint

  • partition_expression (optional): An expression that groups rows into partitions.
  • order_expression: An expression that specifies the order of the rows within each partition.

Examples

DENSE_RANK example
SELECT "Category", 
"Descript",
"DayOfWeek",
DENSE_RANK()
OVER (
PARTITION BY "Category"
ORDER BY "DayOfWeek")
FROM Samples."samples.dremio.com"."SF_incidents2016.json"
-- Category, Descript, DayOfWeek, EXPR$3
-- ARSON, ARSON, Friday, 1
-- ARSON, ARSON, Monday, 2