Skip to content
Sections
>> Trisquel >> 软件包 >> etiona >> database >> postgresql-hll
etiona  ]
[ 源代码: postgresql-hll  ]

软件包: postgresql-hll (2.7-2.1)

HyperLogLog extension for PostgreSQL

This Postgres 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.

In addition to the algorithm proposed in the original paper, this implementation is augmented to improve its accuracy and memory use without sacrificing much speed.

The full description can be found at https://github.com/aggregateknowledge/postgresql-hll/blob/master/README.markdown

其他与 postgresql-hll 有关的软件包

  • 依赖
  • 推荐
  • 建议
  • dep: libc6 (>= 2.14) [amd64]
    GNU C Library: Shared libraries
    同时作为一个虚包由这些包填实: libc6-udeb
    dep: libc6 (>= 2.4) [i386]

下载 postgresql-hll

下载可用于所有硬件架构的
硬件架构 软件包大小 安装后大小 文件
amd64 28.0 kB121 kB [文件列表]
i386 30.8 kB125 kB [文件列表]