T-digest extension for Azure Database for PostgreSQL - Hyperscale (Citus)
Published date: 14 October, 2020
Percentile approximation via the t-digest Postgres extension is now available for Azure Database for PostgreSQL - Hyperscale (Citus). The open source t-digest extension adds a data structure that allows store rank-based statistics such as quantiles and trimmed means in your distributed Hyperscale (Citus) database. The algorithm used in the extension allows high performance percentile calculations on sizable distributed analytical workloads with improved accuracy.