Package: postgresql-10-hll Source: postgresql-hll Version: 2.18-2.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 111 Depends: postgresql-10, libc6 (>= 2.14) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-10-hll_2.18-2.pgdg20.04+1_amd64.deb Size: 35892 SHA256: 1b7dad9ffaba9e27161a6bbd2d6668da25de4971a727ee92a9af8fa3f0b801a3 SHA1: 194351e1726c488578d5ab94cae58686cf9ad948 MD5sum: abb19da6f81c0b1e907a76866a6e368a 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.