Package: postgresql-18-hll Source: postgresql-hll Version: 2.21-1.pgdg22.04+1 Architecture: amd64 Maintainer: Debian PostgreSQL Maintainers Installed-Size: 199 Depends: postgresql-18, libc6 (>= 2.14) Breaks: postgresql-18-jit-llvm (<< 15) Homepage: https://github.com/citusdata/postgresql-hll Priority: optional Section: database Filename: pool/main/p/postgresql-hll/postgresql-18-hll_2.21-1.pgdg22.04+1_amd64.deb Size: 80052 SHA512: 3c2f4dbe8b6dd83407f6a178f97e44e21a0afbb351f02cc9fcb66985bef51a8ad470d75413c898a8b101664a5a973f7fcf4439bfe64c222fdd7bb77d45b96678 SHA256: 126dcf28fa8f3b0bd94634dfb2edc23bff3e7d1e038ccaab09db5d386f8c3eb0 SHA1: f550e5f831faf463f594388ceb38669f93fa0053 MD5sum: 8ed5c932c05a40b0f149b62bbb28accd 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.