Package: postgresql-10-hll Source: postgresql-hll Version: 2.10.2-1.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 90 Depends: libc6 (>= 2.4), postgresql-10 Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-10-hll_2.10.2-1.pgdg18.04+1_i386.deb Size: 32892 SHA256: f7f038884aa5b11df15867c52dcdafbc36889a48eebfcf354d174ae8f5e721b9 SHA1: 37f17d21ea81b3c829dddec7dcf133931e6ae102 MD5sum: 3608f996b15091910c75307fae2b5e22 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.