Package: postgresql-10-hll Source: postgresql-hll Version: 2.18-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 111 Depends: libc6 (>= 2.14), postgresql-10 Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-10-hll_2.18-1.pgdg20.04+1_amd64.deb Size: 35872 SHA256: 80a41b892549052203a7b7b9e38a9b2498fb972ecbf84cd844077a0b480c3887 SHA1: c4cfa918b019cdea4fce542519bc8834836207f5 MD5sum: da91783f5aa34d0cd6d7e17eb5c2d313 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.