Package: postgresql-9.4-hll Source: postgresql-hll Version: 2.10.2-1.pgdg18.04+1 Architecture: i386 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 90 Depends: libc6 (>= 2.4), postgresql-9.4 Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-9.4-hll_2.10.2-1.pgdg18.04+1_i386.deb Size: 32876 SHA256: a283bf9b2cbb2242e745a2c7a28800854abcb42874d4c3e9ef9899f1735194ec SHA1: c28c62c015f98c6bd62f804cacb332b96908e1bb MD5sum: 8c6606e5b7e06d5ef4af19505a92b7fd 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.