Package: postgresql-17-tdigest Source: tdigest Version: 1.4.3-2.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 159 Depends: postgresql-17, libc6 (>= 2.14) Breaks: postgresql-17-jit-llvm (<< 15) Homepage: https://github.com/tvondra/tdigest Priority: optional Section: database Filename: pool/main/t/tdigest/postgresql-17-tdigest_1.4.3-2.pgdg22.04+1_amd64.deb Size: 61684 SHA256: ba983538292754aded0e54acb3e174d6f0c6893d8f55e243319247c39678f3f0 SHA1: a4260875322714b1fe17c072c3dad0b9ac98a3cf MD5sum: 44193d8fe162aa9256a99fd9c1f096f5 Description: t-digest algorithm for on-line accumulation of rank-based statistics This PostgreSQL extension implements t-digest, a data structure for on-line accumulation of rank-based statistics such as quantiles and trimmed means. The algorithm is also very friendly to parallel programs. . The accuracy of estimates produced by t-digests can be orders of magnitude more accurate than those produced by previous digest algorithms in spite of the fact that t-digests are much more compact when stored on disk.