Package: postgresql-17-hll Source: postgresql-hll Version: 2.18-2.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 199 Depends: postgresql-17, postgresql-17-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-17-hll_2.18-2.pgdg22.04+1_amd64.deb Size: 84516 SHA256: e33e77c093fdd5ddca164d1f99d66a839902400d08848bc37bd5d456327eeb3d SHA1: 644dacdcdce1d5f9baa061805308ae110943eeaf MD5sum: 4509d35cefb3edc4e176591dad2ad210 Description: HyperLogLog extension for PostgreSQL This PostgreSQL module introduces a new data type `hll` which is a HyperLogLog data structure. HyperLogLog is a fixed-size, set-like structure used for distinct value counting with tunable precision. For example, in 1280 bytes `hll` can estimate the count of tens of billions of distinct values with only a few percent error.