tdigest

tdigest : Provides tdigest aggregate function.

Overview

ID	Extension	Package	Version	Category	License	Language
4700	tdigest	tdigest	`1.4.3`	FUNC	Apache-2.0	C

Attribute	Has Binary	Has Library	Need Load	Has DDL	Relocatable	Trusted
--s-d-r	No	Yes	No	Yes	yes	no

Relationships
See Also	pg_idkit pgx_ulid pg_uuidv7 pg_hashids sequential_uuids topn quantile lower_quantile

Packages

Type	Repo	Version	PG Major Compatibility	Package Pattern	Dependencies
EXT	PGDG	`1.4.3`	18 17 16 15 14 13	`tdigest`	-
RPM	PGDG	`1.4.2`	18 17 16 15 14 13	`tdigest_$v*`	-
DEB	PGDG	`1.4.3`	18 17 16 15 14 13	`postgresql-$v-tdigest`	-

Linux / PG	PG18	PG17	PG16	PG15	PG14	PG13
el8.x86_64	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1
el8.aarch64	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1
el9.x86_64	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1
el9.aarch64	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1	PGDG 1.4.1
el10.x86_64	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2
el10.aarch64	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2	PGDG 1.4.2
d12.x86_64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
d12.aarch64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
d13.x86_64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
d13.aarch64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
u22.x86_64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
u22.aarch64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
u24.x86_64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3
u24.aarch64	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3	PGDG 1.4.3

Package	Version	OS	ORG	SIZE	File URL
`tdigest_18`	`1.4.2`	el8.x86_64	pgdg	33.5 KiB	tdigest_18-1.4.2-2PGDG.rhel8.x86_64.rpm
`tdigest_18`	`1.4.2`	el8.aarch64	pgdg	32.1 KiB	tdigest_18-1.4.2-2PGDG.rhel8.aarch64.rpm
`tdigest_18`	`1.4.2`	el9.x86_64	pgdg	33.6 KiB	tdigest_18-1.4.2-2PGDG.rhel9.x86_64.rpm
`tdigest_18`	`1.4.2`	el9.aarch64	pgdg	32.3 KiB	tdigest_18-1.4.2-2PGDG.rhel9.aarch64.rpm
`tdigest_18`	`1.4.2`	el10.x86_64	pgdg	33.8 KiB	tdigest_18-1.4.2-2PGDG.rhel10.x86_64.rpm
`tdigest_18`	`1.4.2`	el10.aarch64	pgdg	33.2 KiB	tdigest_18-1.4.2-2PGDG.rhel10.aarch64.rpm
`postgresql-18-tdigest`	`1.4.3`	d12.x86_64	pgdg	57.6 KiB	postgresql-18-tdigest_1.4.3-2.pgdg12+1_amd64.deb
`postgresql-18-tdigest`	`1.4.3`	d12.aarch64	pgdg	56.7 KiB	postgresql-18-tdigest_1.4.3-2.pgdg12+1_arm64.deb
`postgresql-18-tdigest`	`1.4.3`	d13.x86_64	pgdg	57.5 KiB	postgresql-18-tdigest_1.4.3-2.pgdg13+1_amd64.deb
`postgresql-18-tdigest`	`1.4.3`	d13.aarch64	pgdg	56.9 KiB	postgresql-18-tdigest_1.4.3-2.pgdg13+1_arm64.deb
`postgresql-18-tdigest`	`1.4.3`	u22.x86_64	pgdg	58.0 KiB	postgresql-18-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb
`postgresql-18-tdigest`	`1.4.3`	u22.aarch64	pgdg	57.0 KiB	postgresql-18-tdigest_1.4.3-2.pgdg22.04+1_arm64.deb
`postgresql-18-tdigest`	`1.4.3`	u24.x86_64	pgdg	57.7 KiB	postgresql-18-tdigest_1.4.3-2.pgdg24.04+1_amd64.deb
`postgresql-18-tdigest`	`1.4.3`	u24.aarch64	pgdg	56.9 KiB	postgresql-18-tdigest_1.4.3-2.pgdg24.04+1_arm64.deb

Package	Version	OS	ORG	SIZE	File URL
`tdigest_17`	`1.4.2`	el8.x86_64	pgdg	33.5 KiB	tdigest_17-1.4.2-1PGDG.rhel8.x86_64.rpm
`tdigest_17`	`1.4.1`	el8.x86_64	pgdg	33.2 KiB	tdigest_17-1.4.1-3PGDG.rhel8.x86_64.rpm
`tdigest_17`	`1.4.2`	el8.aarch64	pgdg	32.1 KiB	tdigest_17-1.4.2-1PGDG.rhel8.aarch64.rpm
`tdigest_17`	`1.4.1`	el8.aarch64	pgdg	31.8 KiB	tdigest_17-1.4.1-3PGDG.rhel8.aarch64.rpm
`tdigest_17`	`1.4.2`	el9.x86_64	pgdg	33.6 KiB	tdigest_17-1.4.2-1PGDG.rhel9.x86_64.rpm
`tdigest_17`	`1.4.1`	el9.x86_64	pgdg	33.3 KiB	tdigest_17-1.4.1-3PGDG.rhel9.x86_64.rpm
`tdigest_17`	`1.4.2`	el9.aarch64	pgdg	32.4 KiB	tdigest_17-1.4.2-1PGDG.rhel9.aarch64.rpm
`tdigest_17`	`1.4.1`	el9.aarch64	pgdg	32.1 KiB	tdigest_17-1.4.1-3PGDG.rhel9.aarch64.rpm
`tdigest_17`	`1.4.2`	el10.x86_64	pgdg	33.8 KiB	tdigest_17-1.4.2-2PGDG.rhel10.x86_64.rpm
`tdigest_17`	`1.4.2`	el10.aarch64	pgdg	33.2 KiB	tdigest_17-1.4.2-2PGDG.rhel10.aarch64.rpm
`postgresql-17-tdigest`	`1.4.3`	d12.x86_64	pgdg	57.6 KiB	postgresql-17-tdigest_1.4.3-2.pgdg12+1_amd64.deb
`postgresql-17-tdigest`	`1.4.3`	d12.aarch64	pgdg	56.7 KiB	postgresql-17-tdigest_1.4.3-2.pgdg12+1_arm64.deb
`postgresql-17-tdigest`	`1.4.3`	d13.x86_64	pgdg	57.5 KiB	postgresql-17-tdigest_1.4.3-2.pgdg13+1_amd64.deb
`postgresql-17-tdigest`	`1.4.3`	d13.aarch64	pgdg	57.0 KiB	postgresql-17-tdigest_1.4.3-2.pgdg13+1_arm64.deb
`postgresql-17-tdigest`	`1.4.3`	u22.x86_64	pgdg	60.2 KiB	postgresql-17-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb
`postgresql-17-tdigest`	`1.4.3`	u22.aarch64	pgdg	59.3 KiB	postgresql-17-tdigest_1.4.3-2.pgdg22.04+1_arm64.deb
`postgresql-17-tdigest`	`1.4.3`	u24.x86_64	pgdg	57.6 KiB	postgresql-17-tdigest_1.4.3-2.pgdg24.04+1_amd64.deb
`postgresql-17-tdigest`	`1.4.3`	u24.aarch64	pgdg	56.9 KiB	postgresql-17-tdigest_1.4.3-2.pgdg24.04+1_arm64.deb

Package	Version	OS	ORG	SIZE	File URL
`tdigest_16`	`1.4.1`	el8.x86_64	pgdg	33.0 KiB	tdigest_16-1.4.1-1PGDG.rhel8.x86_64.rpm
`tdigest_16`	`1.4.1`	el8.aarch64	pgdg	31.6 KiB	tdigest_16-1.4.1-1PGDG.rhel8.aarch64.rpm
`tdigest_16`	`1.4.1`	el9.x86_64	pgdg	33.1 KiB	tdigest_16-1.4.1-1PGDG.rhel9.x86_64.rpm
`tdigest_16`	`1.4.1`	el9.aarch64	pgdg	31.6 KiB	tdigest_16-1.4.1-1PGDG.rhel9.aarch64.rpm
`tdigest_16`	`1.4.2`	el10.x86_64	pgdg	33.8 KiB	tdigest_16-1.4.2-2PGDG.rhel10.x86_64.rpm
`tdigest_16`	`1.4.2`	el10.aarch64	pgdg	33.2 KiB	tdigest_16-1.4.2-2PGDG.rhel10.aarch64.rpm
`postgresql-16-tdigest`	`1.4.3`	d12.x86_64	pgdg	57.5 KiB	postgresql-16-tdigest_1.4.3-2.pgdg12+1_amd64.deb
`postgresql-16-tdigest`	`1.4.3`	d12.aarch64	pgdg	56.7 KiB	postgresql-16-tdigest_1.4.3-2.pgdg12+1_arm64.deb
`postgresql-16-tdigest`	`1.4.3`	d13.x86_64	pgdg	57.5 KiB	postgresql-16-tdigest_1.4.3-2.pgdg13+1_amd64.deb
`postgresql-16-tdigest`	`1.4.3`	d13.aarch64	pgdg	57.0 KiB	postgresql-16-tdigest_1.4.3-2.pgdg13+1_arm64.deb
`postgresql-16-tdigest`	`1.4.3`	u22.x86_64	pgdg	60.2 KiB	postgresql-16-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb
`postgresql-16-tdigest`	`1.4.3`	u22.aarch64	pgdg	59.3 KiB	postgresql-16-tdigest_1.4.3-2.pgdg22.04+1_arm64.deb
`postgresql-16-tdigest`	`1.4.3`	u24.x86_64	pgdg	57.6 KiB	postgresql-16-tdigest_1.4.3-2.pgdg24.04+1_amd64.deb
`postgresql-16-tdigest`	`1.4.3`	u24.aarch64	pgdg	56.9 KiB	postgresql-16-tdigest_1.4.3-2.pgdg24.04+1_arm64.deb

Package	Version	OS	ORG	SIZE	File URL
`tdigest_15`	`1.4.1`	el8.x86_64	pgdg	33.0 KiB	tdigest_15-1.4.1-1PGDG.rhel8.x86_64.rpm
`tdigest_15`	`1.4.0`	el8.x86_64	pgdg	70.1 KiB	tdigest_15-1.4.0-1.rhel8.x86_64.rpm
`tdigest_15`	`1.4.1`	el8.aarch64	pgdg	31.6 KiB	tdigest_15-1.4.1-1PGDG.rhel8.aarch64.rpm
`tdigest_15`	`1.4.0`	el8.aarch64	pgdg	68.6 KiB	tdigest_15-1.4.0-1.rhel8.aarch64.rpm
`tdigest_15`	`1.4.1`	el9.x86_64	pgdg	33.1 KiB	tdigest_15-1.4.1-1PGDG.rhel9.x86_64.rpm
`tdigest_15`	`1.4.0`	el9.x86_64	pgdg	72.1 KiB	tdigest_15-1.4.0-1.rhel9.x86_64.rpm
`tdigest_15`	`1.4.1`	el9.aarch64	pgdg	31.6 KiB	tdigest_15-1.4.1-1PGDG.rhel9.aarch64.rpm
`tdigest_15`	`1.4.0`	el9.aarch64	pgdg	70.6 KiB	tdigest_15-1.4.0-1.rhel9.aarch64.rpm
`tdigest_15`	`1.4.2`	el10.x86_64	pgdg	33.8 KiB	tdigest_15-1.4.2-2PGDG.rhel10.x86_64.rpm
`tdigest_15`	`1.4.2`	el10.aarch64	pgdg	33.2 KiB	tdigest_15-1.4.2-2PGDG.rhel10.aarch64.rpm
`postgresql-15-tdigest`	`1.4.3`	d12.x86_64	pgdg	57.6 KiB	postgresql-15-tdigest_1.4.3-2.pgdg12+1_amd64.deb
`postgresql-15-tdigest`	`1.4.3`	d12.aarch64	pgdg	56.7 KiB	postgresql-15-tdigest_1.4.3-2.pgdg12+1_arm64.deb
`postgresql-15-tdigest`	`1.4.3`	d13.x86_64	pgdg	57.5 KiB	postgresql-15-tdigest_1.4.3-2.pgdg13+1_amd64.deb
`postgresql-15-tdigest`	`1.4.3`	d13.aarch64	pgdg	57.0 KiB	postgresql-15-tdigest_1.4.3-2.pgdg13+1_arm64.deb
`postgresql-15-tdigest`	`1.4.3`	u22.x86_64	pgdg	60.5 KiB	postgresql-15-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb
`postgresql-15-tdigest`	`1.4.3`	u22.aarch64	pgdg	59.5 KiB	postgresql-15-tdigest_1.4.3-2.pgdg22.04+1_arm64.deb
`postgresql-15-tdigest`	`1.4.3`	u24.x86_64	pgdg	57.6 KiB	postgresql-15-tdigest_1.4.3-2.pgdg24.04+1_amd64.deb
`postgresql-15-tdigest`	`1.4.3`	u24.aarch64	pgdg	56.9 KiB	postgresql-15-tdigest_1.4.3-2.pgdg24.04+1_arm64.deb

Package	Version	OS	ORG	SIZE	File URL
`tdigest_14`	`1.4.1`	el8.x86_64	pgdg	33.0 KiB	tdigest_14-1.4.1-1PGDG.rhel8.x86_64.rpm
`tdigest_14`	`1.2.0`	el8.x86_64	pgdg	60.3 KiB	tdigest_14-1.2.0-2.rhel8.x86_64.rpm
`tdigest_14`	`1.4.1`	el8.aarch64	pgdg	31.6 KiB	tdigest_14-1.4.1-1PGDG.rhel8.aarch64.rpm
`tdigest_14`	`1.4.0`	el8.aarch64	pgdg	68.5 KiB	tdigest_14-1.4.0-1.rhel8.aarch64.rpm
`tdigest_14`	`1.4.1`	el9.x86_64	pgdg	33.1 KiB	tdigest_14-1.4.1-1PGDG.rhel9.x86_64.rpm
`tdigest_14`	`1.4.0`	el9.x86_64	pgdg	72.2 KiB	tdigest_14-1.4.0-1.rhel9.x86_64.rpm
`tdigest_14`	`1.4.1`	el9.aarch64	pgdg	31.6 KiB	tdigest_14-1.4.1-1PGDG.rhel9.aarch64.rpm
`tdigest_14`	`1.4.0`	el9.aarch64	pgdg	70.6 KiB	tdigest_14-1.4.0-1.rhel9.aarch64.rpm
`tdigest_14`	`1.4.2`	el10.x86_64	pgdg	33.8 KiB	tdigest_14-1.4.2-2PGDG.rhel10.x86_64.rpm
`tdigest_14`	`1.4.2`	el10.aarch64	pgdg	33.2 KiB	tdigest_14-1.4.2-2PGDG.rhel10.aarch64.rpm
`postgresql-14-tdigest`	`1.4.3`	d12.x86_64	pgdg	57.5 KiB	postgresql-14-tdigest_1.4.3-2.pgdg12+1_amd64.deb
`postgresql-14-tdigest`	`1.4.3`	d12.aarch64	pgdg	56.7 KiB	postgresql-14-tdigest_1.4.3-2.pgdg12+1_arm64.deb
`postgresql-14-tdigest`	`1.4.3`	d13.x86_64	pgdg	57.5 KiB	postgresql-14-tdigest_1.4.3-2.pgdg13+1_amd64.deb
`postgresql-14-tdigest`	`1.4.3`	d13.aarch64	pgdg	56.9 KiB	postgresql-14-tdigest_1.4.3-2.pgdg13+1_arm64.deb
`postgresql-14-tdigest`	`1.4.3`	u22.x86_64	pgdg	60.4 KiB	postgresql-14-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb
`postgresql-14-tdigest`	`1.4.3`	u22.aarch64	pgdg	59.4 KiB	postgresql-14-tdigest_1.4.3-2.pgdg22.04+1_arm64.deb
`postgresql-14-tdigest`	`1.4.3`	u24.x86_64	pgdg	57.5 KiB	postgresql-14-tdigest_1.4.3-2.pgdg24.04+1_amd64.deb
`postgresql-14-tdigest`	`1.4.3`	u24.aarch64	pgdg	56.9 KiB	postgresql-14-tdigest_1.4.3-2.pgdg24.04+1_arm64.deb

Package	Version	OS	ORG	SIZE	File URL
`tdigest_13`	`1.4.1`	el8.x86_64	pgdg	32.4 KiB	tdigest_13-1.4.1-1PGDG.rhel8.x86_64.rpm
`tdigest_13`	`1.2.0`	el8.x86_64	pgdg	59.9 KiB	tdigest_13-1.2.0-2.rhel8.x86_64.rpm
`tdigest_13`	`1.0.1`	el8.x86_64	pgdg	47.5 KiB	tdigest_13-1.0.1-1.rhel8.x86_64.rpm
`tdigest_13`	`1.4.1`	el8.aarch64	pgdg	31.6 KiB	tdigest_13-1.4.1-1PGDG.rhel8.aarch64.rpm
`tdigest_13`	`1.4.0`	el8.aarch64	pgdg	68.4 KiB	tdigest_13-1.4.0-1.rhel8.aarch64.rpm
`tdigest_13`	`1.4.1`	el9.x86_64	pgdg	33.1 KiB	tdigest_13-1.4.1-1PGDG.rhel9.x86_64.rpm
`tdigest_13`	`1.4.0`	el9.x86_64	pgdg	71.7 KiB	tdigest_13-1.4.0-1.rhel9.x86_64.rpm
`tdigest_13`	`1.4.1`	el9.aarch64	pgdg	31.7 KiB	tdigest_13-1.4.1-1PGDG.rhel9.aarch64.rpm
`tdigest_13`	`1.4.0`	el9.aarch64	pgdg	70.5 KiB	tdigest_13-1.4.0-1.rhel9.aarch64.rpm
`tdigest_13`	`1.4.2`	el10.x86_64	pgdg	33.8 KiB	tdigest_13-1.4.2-2PGDG.rhel10.x86_64.rpm
`tdigest_13`	`1.4.2`	el10.aarch64	pgdg	33.2 KiB	tdigest_13-1.4.2-2PGDG.rhel10.aarch64.rpm
`postgresql-13-tdigest`	`1.4.3`	d12.x86_64	pgdg	57.3 KiB	postgresql-13-tdigest_1.4.3-2.pgdg12+1_amd64.deb
`postgresql-13-tdigest`	`1.4.3`	d12.aarch64	pgdg	56.9 KiB	postgresql-13-tdigest_1.4.3-2.pgdg12+1_arm64.deb
`postgresql-13-tdigest`	`1.4.3`	d13.x86_64	pgdg	57.6 KiB	postgresql-13-tdigest_1.4.3-2.pgdg13+1_amd64.deb
`postgresql-13-tdigest`	`1.4.3`	d13.aarch64	pgdg	56.9 KiB	postgresql-13-tdigest_1.4.3-2.pgdg13+1_arm64.deb
`postgresql-13-tdigest`	`1.4.3`	u22.x86_64	pgdg	60.5 KiB	postgresql-13-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb
`postgresql-13-tdigest`	`1.4.3`	u22.aarch64	pgdg	59.4 KiB	postgresql-13-tdigest_1.4.3-2.pgdg22.04+1_arm64.deb
`postgresql-13-tdigest`	`1.4.3`	u24.x86_64	pgdg	57.8 KiB	postgresql-13-tdigest_1.4.3-2.pgdg24.04+1_amd64.deb
`postgresql-13-tdigest`	`1.4.3`	u24.aarch64	pgdg	56.8 KiB	postgresql-13-tdigest_1.4.3-2.pgdg24.04+1_arm64.deb

Source

Repository

github.com/tvondra/tdigest

Install

Make sure PGDG repo available:

pig repo add pgdg -u    # add pgdg repo and update cache

Install this extension with pig:

pig install tdigest;		# install via package name, for the active PG version

pig install tdigest -v 18;   # install for PG 18
pig install tdigest -v 17;   # install for PG 17
pig install tdigest -v 16;   # install for PG 16
pig install tdigest -v 15;   # install for PG 15
pig install tdigest -v 14;   # install for PG 14
pig install tdigest -v 13;   # install for PG 13

Create this extension with:

CREATE EXTENSION tdigest;

Last updated on 2025-11-10

xicor first_last_agg