Package: postgresql-12-hll Source: postgresql-hll Version: 2.18-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 202 Depends: libc6 (>= 2.14), postgresql-12, postgresql-12-jit-llvm (>= 14) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-12-hll_2.18-1.pgdg22.04+1_amd64.deb Size: 84704 SHA256: d56fead53e187b4b60f15ffc7973f6b542540df8ef8262ab85cad15d0a8c080e SHA1: 0f3a021f509b21e8e84bb4ee19015aec9001108a MD5sum: 91a32726ce9a62df9003ca3d5a7c5ac2 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.