Package: postgresql-11-hll Source: postgresql-hll Version: 2.18-2.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 201 Depends: postgresql-11, postgresql-11-jit-llvm (>= 10), libc6 (>= 2.14) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-11-hll_2.18-2.pgdg20.04+1_amd64.deb Size: 82084 SHA256: 9e88577a8358fea2ad4000b6b34b8c98d944d39eae467b40a44081763c000850 SHA1: 30c57476d7d82d6d0dda932241369cf838e01533 MD5sum: 0e5975006d51b10f05213625d833be60 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.