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dense_rank.md

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

DENSE_RANK

Syntax

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

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

Examples

{% code title="DENSE_RANK example" %}

SELECT "Category", 
  "Descript", 
  "DayOfWeek",
  DENSE_RANK() 
    OVER (
      PARTITION BY "Category" 
      ORDER BY "DayOfWeek")
FROM eth.recent_blocks 

-- Category, Descript, DayOfWeek, EXPR$3
-- ARSON, ARSON, Friday, 1
-- ARSON, ARSON, Monday, 2

{% endcode %}