tdigest

Overview

PGDG 1st Party Extension: tdigest : Provides tdigest aggregate function.

Information

• Extension ID: 4700
• Extension Name: tdigest
• Package Name: tdigest
• Category: FUNC
• License: Apache-2.0
• Website: https://github.com/tvondra/tdigest
• Language: C
• Extra Tags: N/A
• Comment: N/A

Metadata

• Latest Version: 1.4.3
• Postgres Support: 17,16,15,14,13
• Need Load: Shared library do not need explicit loading
• Need DDL: Need CREATE EXTENSION DDL
• Relocatable: Can not install to arbitrary schema
• Trusted: Untrusted, Require Superuser to Create
• Schemas: N/A
• Requires: N/A

RPM / DEB

• RPM Repo: PGDG
• RPM Name: tdigest_$v*
• RPM Ver : 1.4.2
• RPM Deps: N/A
• DEB Repo: PGDG
• DEB Name: postgresql-$v-tdigest
• DEB Ver : 1.4.3
• DEB Deps: N/A

Packages

Installation

Install tdigest via the pig CLI tool:

pig ext install tdigest

Install tdigest via Pigsty playbook:

./pgsql.yml -t pg_extension -e '{"pg_extensions": ["tdigest"]}' # -l <cls>

Install tdigest RPM from YUM repo directly:

dnf install tdigest_17*;
dnf install tdigest_16*;
dnf install tdigest_15*;
dnf install tdigest_14*;
dnf install tdigest_13*;

Install tdigest DEB from APT repo directly:

apt install postgresql-17-tdigest;
apt install postgresql-16-tdigest;
apt install postgresql-15-tdigest;
apt install postgresql-14-tdigest;
apt install postgresql-13-tdigest;

Enable tdigest extension on PostgreSQL cluster：

CREATE EXTENSION tdigest;