postgresql-config (hackage):   [Index]  Package maintainers  For package maintainers and hackage trustees  Candidates    Simple types and set of functions to quickly add configuration of postgresql to your Yesod site or whatever.  Add separate file or section inside your existing config like that  and then in your program something like that  So now you have a pool and can perform queries any way you like.
Keywords: bsd3|database|library