Package: postgresql-12-hll Source: postgresql-hll Version: 2.18-1.pgdg20.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 202 Depends: libc6 (>= 2.14), postgresql-12, postgresql-12-jit-llvm (>= 10) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-12-hll_2.18-1.pgdg20.04+1_amd64.deb Size: 83532 SHA256: 1394b70f41d7fb42c38c24a6a243224e6e9e5025aa44217fe94dfe9ddb4bdcf2 SHA1: 730f4fa473bdc32af3e584040f2ef118e6c98f20 MD5sum: 2e67ff56bbd2a553a049f14c3e2cb7d9 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.