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Functions / Aggregate Functions

dense_rank

Read the PG 18 manual

Computes the rank of the hypothetical row, without gaps; this function effectively counts peer groups.

Reading PG 18current·documented in 19 of 27 versions, 8.4 to 20

7.17.27.37.48.08.18.28.38.49.09.19.29.39.49.59.61011121314151617181920

Signatures & examples

dense_rank ( args ) WITHIN GROUP ( ORDER BY sorted_args ) → bigint
Computes the rank of the hypothetical row, without gaps; this function effectively counts peer groups.
dense_rank () → bigint
Returns the rank of the current row, without gaps; this function effectively counts peer groups.
Version history 3
  1. 12 → 13 changed
  2. 9.3 → 9.4 changed
  3. 8.3 → 8.4 added

Definition snapshot: b7bd9cda · English manual source