Package: postgresql-12-hll Source: postgresql-hll Version: 2.18-2.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 203 Depends: postgresql-12, postgresql-12-jit-llvm (>= 15), libc6 (>= 2.14) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-12-hll_2.18-2.pgdg22.04+1_amd64.deb Size: 84764 SHA256: 49f0fb05ef748f45925fd069560b050aee9017d1a6fe09e27dc5e0758fcfadd2 SHA1: 04e476e38a534878b5314983b116023b6f2b9cb0 MD5sum: 3458adcbd9843e1c402f38ea441a0864 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.