Package: postgresql-11-hll Source: postgresql-hll Version: 2.18-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 201 Depends: libc6 (>= 2.14), postgresql-11, postgresql-11-jit-llvm (>= 10) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-11-hll_2.18-1.pgdg20.04+1_amd64.deb Size: 82028 SHA256: b211b17832236ea74fd3a3b55d48c8937e2a0d260832771a226548b6327f7a2c SHA1: 7593298b21590ce14ecf37fceda8f1eb5f130999 MD5sum: c4ac14709f421d852cc4f9e9663b706b 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.