Package: postgresql-13-hll Source: postgresql-hll Version: 2.18-2.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 202 Depends: postgresql-13, postgresql-13-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-13-hll_2.18-2.pgdg20.04+1_amd64.deb Size: 83480 SHA256: 039d23f4cdf70b6eb78c018bff96ae8b293745aa8f28ea21f37a79bac9e4bd29 SHA1: 1ac8edd0d0eee823845892cdd669dadc6eafa9ed MD5sum: d2287b47bb159c5215659cbc203d4768 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.