postgresql-libpq

low-level binding to libpq

https://github.com/haskellari/postgresql-libpq

Version on this page:	0.9.5.0
LTS Haskell 24.17:	0.11.0.0@rev:1
Stackage Nightly 2025-10-26:	0.11.0.0@rev:1
Latest on Hackage:	0.11.0.0@rev:1

See all snapshots postgresql-libpq appears in

BSD-3-Clause licensed by Grant Monroe, Leon P Smith, Joey Adams

Maintained by Oleg Grenrus

This version can be pinned in stack with:postgresql-libpq-0.9.5.0@sha256:c57a87d932f5860fda425bee2bc23e569ca5aecf68762e7f077656fc3c574c4a,3022

Module documentation for 0.9.5.0

Database
- Database.PostgreSQL
  - Database.PostgreSQL.LibPQ
    - Database.PostgreSQL.LibPQ.Internal

Depends on 3 packages(full list with versions):

base, bytestring, unix

Used by 7 packages in lts-20.12(full list with versions):

beam-postgres, hasql, hasql-notifications, hasql-queue, persistent-postgresql, postgresql-libpq-notify, postgresql-simple

This is a binding to libpq: the C application programmer's interface to PostgreSQL. libpq is a set of library functions that allow client programs to pass queries to the PostgreSQL backend server and to receive the results of these queries.

Changes

0.9.5.0

Drop support for GHCs prior 8.6
Require libpq >=10.22 (when using pkgconfig).
Use CApiFFI for some parts of the API (we cannot use for all due https://gitlab.haskell.org/ghc/ghc/-/issues/22043)

0.9.4.3

Support bytestring-0.11
Allow Win32-2.10.0.0
Make PQconsumeInput FFI call safe

0.9.4.2

Support GHC-8.6.1
Add simple smoke test