Package: postgresql-18-hll Source: postgresql-hll Version: 2.19-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 191 Depends: postgresql-18, libc6 (>= 2.14) Breaks: postgresql-18-jit-llvm (<< 15) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-18-hll_2.19-1.pgdg22.04+1_amd64.deb Size: 78168 SHA256: 58138e5239616f72127057f6d8f7a7dbf9bffb7f90471a96a3e988f01d026f8e SHA1: a472bd8a639cf62a52f8b3942fc45bd3d722250d MD5sum: 399e84d72df572ef9a09e2628316e70d 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.