Package: postgresql-9.5-hll Source: postgresql-hll Version: 2.15.1-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 175 Depends: libc6 (>= 2.14), postgresql-9.5 Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-9.5-hll_2.15.1-1.pgdg20.04+1_amd64.deb Size: 34376 SHA256: f44aad68b43a3d09f5860071e9674c83348d77d9aeb9532f27f36dac4fcc698f SHA1: 5cfa8508f11fba37aa531d6eff1e1c0d810d393c MD5sum: ac29625a0b82fd886a936557011b5261 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.