dense_rank

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

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group: aggregate
group label: 聚合函数
lang: en
layout: table-new
pages: functions-aggregate.html, functions-window.html
prose only: false

Definition PG 18

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

Signatures and overloads

dense_rank ( args ) WITHIN GROUP ( ORDER BY sorted_args ) → bigint → bigint

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

dense_rank () → bigint → bigint

Returns the rank of the current row, without gaps; this function effectively counts peer groups.

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Complete source facts

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:1d79a20eff22c95332dc6e65cade63410e637275087b57dbc32a5c2f8c28a5c4

Text language: en · wiki-repair-20261023:1d79a20eff22c95332dc6e65cade63410e637275087b57dbc32a5c2f8c28a5c4