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Fix example errors #25

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Fix example errors #25

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29 changes: 16 additions & 13 deletions doc/Example.hs
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Original file line number Diff line number Diff line change
@@ -1,11 +1,14 @@
{-# LANGUAGE OverloadedStrings, ExtendedDefaultRules #-}

import Database.MongoDB
import Control.Monad.Trans (liftIO)
import Data.Text (pack)
import Data.Bson

(==:) :: (Val a) => String -> a -> Field
a ==: b = pack a =: b

main = do
pipe <- runIOE $ connect (host "127.0.0.1")
e <- access pipe master "baseball" run
e <- access pipe master (pack "baseball") run
close pipe
print e

Expand All @@ -16,18 +19,18 @@ run = do
nationalLeagueTeams >>= printDocs "National League Teams"
newYorkTeams >>= printDocs "New York Teams"

clearTeams = delete (select [] "team")
clearTeams = delete (select [] (pack "team"))

insertTeams = insertMany "team" [
["name" =: "Yankees", "home" =: ["city" =: "New York", "state" =: "NY"], "league" =: "American"],
["name" =: "Mets", "home" =: ["city" =: "New York", "state" =: "NY"], "league" =: "National"],
["name" =: "Phillies", "home" =: ["city" =: "Philadelphia", "state" =: "PA"], "league" =: "National"],
["name" =: "Red Sox", "home" =: ["city" =: "Boston", "state" =: "MA"], "league" =: "American"] ]
insertTeams = insertMany (pack "team") [
["name" ==: "Yankees", "home" ==: ["city" ==: "New York", "state" ==: "NY"], "league" ==: "American"],
["name" ==: "Mets", "home" ==: ["city" ==: "New York", "state" ==: "NY"], "league" ==: "National"],
["name" ==: "Phillies", "home" ==: ["city" ==: "Philadelphia", "state" ==: "PA"], "league" ==: "National"],
["name" ==: "Red Sox", "home" ==: ["city" ==: "Boston", "state" ==: "MA"], "league" ==: "American"] ]

allTeams = rest =<< find (select [] "team") {sort = ["home.city" =: 1]}
allTeams = rest =<< find (select [] $ pack "team") {sort = ["home.city" ==: (1 :: Int)]}

nationalLeagueTeams = rest =<< find (select ["league" =: "National"] "team")
nationalLeagueTeams = rest =<< find (select ["league" ==: "National"] $ pack "team")

newYorkTeams = rest =<< find (select ["home.state" =: "NY"] "team") {project = ["name" =: 1, "league" =: 1]}
newYorkTeams = rest =<< find (select ["home.state" ==: "NY"] $ pack "team") {project = ["name" ==: (1 :: Int), "league" ==: (1 :: Int)]}

printDocs title docs = liftIO $ putStrLn title >> mapM_ (print . exclude ["_id"]) docs
printDocs title docs = liftIO $ putStrLn title >> mapM_ (print . exclude [pack "_id"]) docs