Rework WriteResult for updateMany, deleteMany functions
Merge branch 'update-result' PR #77 Conflicts: CHANGELOG.md Database/MongoDB/Query.hs
This commit is contained in:
Victor Denisov
commit
dda10d461b
4 changed files with 538 additions and 270 deletions
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@ -7,6 +7,9 @@ This project adheres to [Package Versioning Policy](https://wiki.haskell.org/Pac
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### Changed
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- Description of access function
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- Lift MonadBaseControl restriction
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- Update and delete results are squashed into one WriteResult type
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- Functions insertMany, updateMany, deleteMany are rewritten to properly report
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various errors
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## [2.2.0] - 2017-04-08
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@ -1,6 +1,6 @@
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-- | Query and update documents
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{-# LANGUAGE OverloadedStrings, RecordWildCards, NamedFieldPuns, TupleSections, FlexibleContexts, FlexibleInstances, UndecidableInstances, MultiParamTypeClasses, GeneralizedNewtypeDeriving, StandaloneDeriving, TypeSynonymInstances, TypeFamilies, CPP, DeriveDataTypeable, ScopedTypeVariables #-}
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{-# LANGUAGE OverloadedStrings, RecordWildCards, NamedFieldPuns, TupleSections, FlexibleContexts, FlexibleInstances, UndecidableInstances, MultiParamTypeClasses, GeneralizedNewtypeDeriving, StandaloneDeriving, TypeSynonymInstances, TypeFamilies, CPP, DeriveDataTypeable, ScopedTypeVariables, BangPatterns #-}
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module Database.MongoDB.Query (
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-- * Monad
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@ -22,9 +22,9 @@ module Database.MongoDB.Query (
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insert, insert_, insertMany, insertMany_, insertAll, insertAll_,
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-- ** Update
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save, replace, repsert, upsert, Modifier, modify, updateMany, updateAll,
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UpdateResult, UpdateOption(..),
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WriteResult(..), UpdateOption(..), Upserted(..),
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-- ** Delete
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delete, deleteOne, deleteMany, deleteAll, DeleteResult, DeleteOption(..),
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delete, deleteOne, deleteMany, deleteAll, DeleteOption(..),
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-- * Read
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-- ** Query
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Query(..), QueryOption(NoCursorTimeout, TailableCursor, AwaitData, Partial),
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@ -43,13 +43,15 @@ module Database.MongoDB.Query (
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MRResult, mapReduce, runMR, runMR',
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-- * Command
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Command, runCommand, runCommand1,
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eval, retrieveServerData
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eval, retrieveServerData, ServerData(..)
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) where
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import Prelude hiding (lookup)
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import Control.Exception (Exception, throwIO, throw)
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import Control.Monad (unless, replicateM, liftM, forM, forM_)
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import Control.Exception (Exception, throwIO)
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import Control.Monad (unless, replicateM, liftM, liftM2)
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import Data.Int (Int32, Int64)
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import Data.Either (lefts, rights)
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import Data.List (foldl1')
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import Data.Maybe (listToMaybe, catMaybes, isNothing)
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import Data.Word (Word32)
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#if !MIN_VERSION_base(4,8,0)
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@ -67,15 +69,15 @@ import Control.Concurrent.MVar.Lifted (MVar, addMVarFinalizer,
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readMVar)
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#endif
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import Control.Applicative ((<$>))
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import Control.Exception (SomeException, catch)
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import Control.Monad (when)
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import Control.Exception (catch)
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import Control.Monad (when, void)
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import Control.Monad.Error (Error(..))
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import Control.Monad.Reader (MonadReader, ReaderT, runReaderT, ask, asks, local)
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import Control.Monad.Trans (MonadIO, liftIO)
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import Data.Binary.Put (runPut)
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import Data.Bson (Document, Field(..), Label, Val, Value(String, Doc, Bool),
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Javascript, at, valueAt, lookup, look, genObjectId, (=:),
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(=?), (!?), Val(..))
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(=?), (!?), Val(..), ObjectId, Value(..))
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import Data.Bson.Binary (putDocument)
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import Data.Text (Text)
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import qualified Data.Text as T
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@ -98,6 +100,7 @@ import qualified Data.ByteString.Lazy as LBS
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import qualified Data.ByteString.Base16 as B16
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import qualified Data.ByteString.Base64 as B64
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import qualified Data.ByteString.Char8 as B
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import qualified Data.Either as E
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import qualified Crypto.Hash.MD5 as MD5
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import qualified Crypto.Hash.SHA1 as SHA1
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import qualified Crypto.MAC.HMAC as HMAC
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@ -122,9 +125,12 @@ data Failure =
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ConnectionFailure IOError -- ^ TCP connection ('Pipeline') failed. May work if you try again on the same Mongo 'Connection' which will create a new Pipe.
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| CursorNotFoundFailure CursorId -- ^ Cursor expired because it wasn't accessed for over 10 minutes, or this cursor came from a different server that the one you are currently connected to (perhaps a fail over happen between servers in a replica set)
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| QueryFailure ErrorCode String -- ^ Query failed for some reason as described in the string
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| WriteFailure ErrorCode String -- ^ Error observed by getLastError after a write, error description is in string
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| WriteFailure Int ErrorCode String -- ^ Error observed by getLastError after a write, error description is in string, index of failed document is the first argument
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| WriteConcernFailure Int String -- ^ Write concern error. It's reported only by insert, update, delete commands. Not by wire protocol.
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| DocNotFound Selection -- ^ 'fetch' found no document matching selection
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| AggregateFailure String -- ^ 'aggregate' returned an error
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| CompoundFailure [Failure] -- ^ When we need to aggregate several failures and report them.
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| ProtocolFailure Int String -- ^ The structure of the returned documents doesn't match what we expected
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deriving (Show, Eq, Typeable)
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instance Exception Failure
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@ -144,9 +150,32 @@ data AccessMode =
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type GetLastError = Document
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-- ^ Parameters for getLastError command. For example @[\"w\" =: 2]@ tells the server to wait for the write to reach at least two servers in replica set before acknowledging. See <http://www.mongodb.org/display/DOCS/Last+Error+Commands> for more options.
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data UpdateResult = UpdateResult
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class Result a where
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isFailed :: a -> Bool
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data DeleteResult = DeleteResult
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data WriteResult = WriteResult
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{ failed :: Bool
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, nMatched :: Int
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, nModified :: Maybe Int
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, nRemoved :: Int
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-- ^ Mongodb server before 2.6 doesn't allow to calculate this value.
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-- This field is meaningless if we can't calculate the number of modified documents.
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, upserted :: [Upserted]
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, writeErrors :: [Failure]
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, writeConcernErrors :: [Failure]
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} deriving Show
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instance Result WriteResult where
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isFailed = failed
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instance Result (Either a b) where
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isFailed (Left _) = True
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isFailed _ = False
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data Upserted = Upserted
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{ upsertedIndex :: Int
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, upsertedId :: ObjectId
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} deriving Show
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master :: AccessMode
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-- ^ Same as 'ConfirmWrites' []
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@ -368,12 +397,13 @@ data WriteMode =
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| Confirm GetLastError -- ^ Receive an acknowledgment after every write, and raise exception if one says the write failed. This is acomplished by sending the getLastError command, with given 'GetLastError' parameters, after every write.
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deriving (Show, Eq)
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write :: Notice -> Action IO ()
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write :: Notice -> Action IO (Maybe Document)
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-- ^ Send write to server, and if write-mode is 'Safe' then include getLastError request and raise 'WriteFailure' if it reports an error.
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write notice = asks mongoWriteMode >>= \mode -> case mode of
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NoConfirm -> do
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pipe <- asks mongoPipe
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liftIOE ConnectionFailure $ P.send pipe [notice]
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return Nothing
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Confirm params -> do
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let q = query (("getlasterror" =: (1 :: Int)) : params) "$cmd"
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pipe <- asks mongoPipe
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@ -381,22 +411,29 @@ write notice = asks mongoWriteMode >>= \mode -> case mode of
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r <- queryRequest False q {limit = 1}
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rr <- liftIO $ request pipe [notice] r
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fulfill rr
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case lookup "err" doc of
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Nothing -> return ()
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Just err -> liftIO $ throwIO $ WriteFailure (maybe 0 id $ lookup "code" doc) err
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return $ Just doc
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-- ** Insert
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insert :: (MonadIO m) => Collection -> Document -> Action m Value
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-- ^ Insert document into collection and return its \"_id\" value, which is created automatically if not supplied
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insert col doc = head `liftM` insertBlock [] col [doc]
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insert col doc = do
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doc' <- liftIO $ assignId doc
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res <- insertBlock [] col (0, [doc'])
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case res of
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Left failure -> liftIO $ throwIO failure
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Right r -> return $ head r
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insert_ :: (MonadIO m) => Collection -> Document -> Action m ()
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-- ^ Same as 'insert' except don't return _id
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insert_ col doc = insert col doc >> return ()
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insertMany :: (MonadIO m) => Collection -> [Document] -> Action m [Value]
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-- ^ Insert documents into collection and return their \"_id\" values, which are created automatically if not supplied. If a document fails to be inserted (eg. due to duplicate key) then remaining docs are aborted, and LastError is set.
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-- ^ Insert documents into collection and return their \"_id\" values,
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-- which are created automatically if not supplied.
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-- If a document fails to be inserted (eg. due to duplicate key)
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-- then remaining docs are aborted, and LastError is set.
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-- An exception will be throw if any error occurs.
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insertMany = insert' []
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insertMany_ :: (MonadIO m) => Collection -> [Document] -> Action m ()
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@ -404,7 +441,10 @@ insertMany_ :: (MonadIO m) => Collection -> [Document] -> Action m ()
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insertMany_ col docs = insertMany col docs >> return ()
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insertAll :: (MonadIO m) => Collection -> [Document] -> Action m [Value]
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-- ^ Insert documents into collection and return their \"_id\" values, which are created automatically if not supplied. If a document fails to be inserted (eg. due to duplicate key) then remaining docs are still inserted. LastError is set if any doc fails, not just last one.
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-- ^ Insert documents into collection and return their \"_id\" values,
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-- which are created automatically if not supplied. If a document fails
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-- to be inserted (eg. due to duplicate key) then remaining docs
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-- are still inserted.
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insertAll = insert' [KeepGoing]
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insertAll_ :: (MonadIO m) => Collection -> [Document] -> Action m ()
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@ -419,75 +459,107 @@ insertCommandDocument opts col docs writeConcern =
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, "writeConcern" =: writeConcern
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]
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takeRightsUpToLeft :: [Either a b] -> [b]
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takeRightsUpToLeft l = E.rights $ takeWhile E.isRight l
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insert' :: (MonadIO m)
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=> [InsertOption] -> Collection -> [Document] -> Action m [Value]
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-- ^ Insert documents into collection and return their \"_id\" values, which are created automatically if not supplied
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insert' opts col docs = do
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p <- asks mongoPipe
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let sd = P.serverData p
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docs' <- liftIO $ mapM assignId docs
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mode <- asks mongoWriteMode
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let writeConcern = case mode of
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NoConfirm -> ["w" =: (0 :: Int)]
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Confirm params -> params
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let docSize = sizeOfDocument $ insertCommandDocument opts col [] writeConcern
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chunks <- forM (splitAtLimit
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(not (KeepGoing `elem` opts))
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let ordered = (not (KeepGoing `elem` opts))
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let preChunks = splitAtLimit
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(maxBsonObjectSize sd - docSize)
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-- size of auxiliary part of insert
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-- document should be subtracted from
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-- the overall size
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(maxWriteBatchSize sd)
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docs)
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(insertBlock opts col)
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return $ concat chunks
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docs'
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let chunks =
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if ordered
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then takeRightsUpToLeft preChunks
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else rights preChunks
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let lens = map length chunks
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let lSums = 0 : (zipWith (+) lSums lens)
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chunkResults <- interruptibleFor ordered (zip lSums chunks) $ insertBlock opts col
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let lchunks = lefts preChunks
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when (not $ null lchunks) $ do
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liftIO $ throwIO $ head lchunks
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let lresults = lefts chunkResults
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when (not $ null lresults) $ liftIO $ throwIO $ head lresults
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return $ concat $ rights chunkResults
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insertBlock :: (MonadIO m)
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=> [InsertOption] -> Collection -> [Document] -> Action m [Value]
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=> [InsertOption] -> Collection -> (Int, [Document]) -> Action m (Either Failure [Value])
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-- ^ This will fail if the list of documents is bigger than restrictions
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insertBlock _ _ [] = return []
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insertBlock opts col docs = do
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insertBlock _ _ (_, []) = return $ Right []
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insertBlock opts col (prevCount, docs) = do
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db <- thisDatabase
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docs' <- liftIO $ mapM assignId docs
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p <- asks mongoPipe
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let sd = P.serverData p
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if (maxWireVersion sd < 2)
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then do
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liftDB $ write (Insert (db <.> col) opts docs')
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return $ map (valueAt "_id") docs'
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res <- liftDB $ write (Insert (db <.> col) opts docs)
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let errorMessage = do
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jRes <- res
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em <- lookup "err" jRes
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return $ WriteFailure prevCount (maybe 0 id $ lookup "code" jRes) em
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-- In older versions of ^^ the protocol we can't really say which document failed.
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-- So we just report the accumulated number of documents in the previous blocks.
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case errorMessage of
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Just failure -> return $ Left failure
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Nothing -> return $ Right $ map (valueAt "_id") docs
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else do
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mode <- asks mongoWriteMode
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let writeConcern = case mode of
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NoConfirm -> ["w" =: (0 :: Int)]
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Confirm params -> params
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doc <- runCommand $ insertCommandDocument opts col docs' writeConcern
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doc <- runCommand $ insertCommandDocument opts col docs writeConcern
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case (look "writeErrors" doc, look "writeConcernError" doc) of
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(Nothing, Nothing) -> return $ map (valueAt "_id") docs'
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(Just err, Nothing) -> do
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liftIO $ throwIO $ WriteFailure
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(maybe 0 id $ lookup "ok" doc)
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(show err)
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(Nothing, Nothing) -> return $ Right $ map (valueAt "_id") docs
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(Just (Array errs), Nothing) -> do
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let writeErrors = map (anyToWriteError prevCount) $ errs
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let errorsWithFailureIndex = map (addFailureIndex prevCount) writeErrors
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return $ Left $ CompoundFailure errorsWithFailureIndex
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(Nothing, Just err) -> do
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liftIO $ throwIO $ WriteFailure
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return $ Left $ WriteFailure
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prevCount
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(maybe 0 id $ lookup "ok" doc)
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(show err)
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(Just err, Just writeConcernErr) -> do
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liftIO $ throwIO $ WriteFailure
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(Just (Array errs), Just writeConcernErr) -> do
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let writeErrors = map (anyToWriteError prevCount) $ errs
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let errorsWithFailureIndex = map (addFailureIndex prevCount) writeErrors
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return $ Left $ CompoundFailure $ (WriteFailure
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prevCount
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(maybe 0 id $ lookup "ok" doc)
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(show err ++ show writeConcernErr)
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(show writeConcernErr)) : errorsWithFailureIndex
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(Just unknownValue, Nothing) -> do
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return $ Left $ ProtocolFailure prevCount $ "Expected array of errors. Received: " ++ show unknownValue
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(Just unknownValue, Just writeConcernErr) -> do
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return $ Left $ CompoundFailure $ [ ProtocolFailure prevCount $ "Expected array of errors. Received: " ++ show unknownValue
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, WriteFailure prevCount (maybe 0 id $ lookup "ok" doc) $ show writeConcernErr]
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splitAtLimit :: Bool -> Int -> Int -> [Document] -> [[Document]]
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splitAtLimit ordered maxSize maxCount list = chop (go 0 0 []) list
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splitAtLimit :: Int -> Int -> [Document] -> [Either Failure [Document]]
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splitAtLimit maxSize maxCount list = chop (go 0 0 []) list
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where
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go :: Int -> Int -> [Document] -> [Document] -> ([Document], [Document])
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go _ _ res [] = (reverse res, [])
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go :: Int -> Int -> [Document] -> [Document] -> ((Either Failure [Document]), [Document])
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go _ _ res [] = (Right $ reverse res, [])
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go curSize curCount [] (x:xs) |
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((curSize + (sizeOfDocument x) + 2 + curCount) > maxSize) =
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if (not ordered)
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then
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go curSize curCount [] xs -- Skip this document and insert the other documents.
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else
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throw $ WriteFailure 0 "One document is too big for the message"
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(Left $ WriteFailure 0 0 "One document is too big for the message", xs)
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go curSize curCount res (x:xs) =
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if ( ((curSize + (sizeOfDocument x) + 2 + curCount) > maxSize)
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-- we have ^ 2 brackets and curCount commas in
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|
|
@ -495,7 +567,7 @@ splitAtLimit ordered maxSize maxCount list = chop (go 0 0 []) list
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-- account
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|| ((curCount + 1) > maxCount))
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then
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(reverse res, x:xs)
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(Right $ reverse res, x:xs)
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else
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go (curSize + (sizeOfDocument x)) (curCount + 1) (x:res) xs
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|
|
@ -549,8 +621,9 @@ update :: (MonadIO m)
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=> [UpdateOption] -> Selection -> Document -> Action m ()
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-- ^ Update first document in selection using updater document, unless 'MultiUpdate' option is supplied then update all documents in selection. If 'Upsert' option is supplied then treat updater as document and insert it if selection is empty.
|
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update opts (Select sel col) up = do
|
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_ <- update' True col [(sel, up, opts)]
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return ()
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db <- thisDatabase
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ctx <- ask
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liftIO $ runReaderT (void $ write (Update (db <.> col) opts sel up)) ctx
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|
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updateCommandDocument :: Collection -> Bool -> [Document] -> Document -> Document
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updateCommandDocument col ordered updates writeConcern =
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|
|
@ -562,31 +635,36 @@ updateCommandDocument col ordered updates writeConcern =
|
|||
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{-| Bulk update operation. If one update fails it will not update the remaining
|
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- documents. Current returned value is only a place holder. With mongodb server
|
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- before 2.6 it will send update requests one by one. After 2.6 it will use
|
||||
- bulk update feature in mongodb.
|
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- before 2.6 it will send update requests one by one. In order to receive
|
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- error messages in versions under 2.6 you need to user confirmed writes.
|
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- Otherwise even if the errors had place the list of errors will be empty and
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- the result will be success. After 2.6 it will use bulk update feature in
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- mongodb.
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-}
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updateMany :: (MonadIO m)
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=> Collection
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-> [(Selector, Document, [UpdateOption])]
|
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-> Action m UpdateResult
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-> Action m WriteResult
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updateMany = update' True
|
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|
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{-| Bulk update operation. If one update fails it will proceed with the
|
||||
- remaining documents. Current returned value is only a place holder. With
|
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- mongodb server before 2.6 it will send update requests one by one. After 2.6
|
||||
- it will use bulk update feature in mongodb.
|
||||
- remaining documents. With mongodb server before 2.6 it will send update
|
||||
- requests one by one. In order to receive error messages in versions under
|
||||
- 2.6 you need to use confirmed writes. Otherwise even if the errors had
|
||||
- place the list of errors will be empty and the result will be success.
|
||||
- After 2.6 it will use bulk update feature in mongodb.
|
||||
-}
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updateAll :: (MonadIO m)
|
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=> Collection
|
||||
-> [(Selector, Document, [UpdateOption])]
|
||||
-> Action m UpdateResult
|
||||
-> Action m WriteResult
|
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updateAll = update' False
|
||||
|
||||
update' :: (MonadIO m)
|
||||
=> Bool
|
||||
-> Collection
|
||||
-> [(Selector, Document, [UpdateOption])]
|
||||
-> Action m UpdateResult
|
||||
-> Action m WriteResult
|
||||
update' ordered col updateDocs = do
|
||||
p <- asks mongoPipe
|
||||
let sd = P.serverData p
|
||||
|
|
@ -597,65 +675,159 @@ update' ordered col updateDocs = do
|
|||
updateDocs
|
||||
|
||||
mode <- asks mongoWriteMode
|
||||
let writeConcern = case mode of
|
||||
NoConfirm -> ["w" =: (0 :: Int)]
|
||||
Confirm params -> params
|
||||
let docSize = sizeOfDocument $ updateCommandDocument col ordered [] writeConcern
|
||||
let chunks = splitAtLimit
|
||||
ordered
|
||||
(maxBsonObjectSize sd - docSize)
|
||||
-- size of auxiliary part of update
|
||||
-- document should be subtracted from
|
||||
-- the overall size
|
||||
(maxWriteBatchSize sd)
|
||||
updates
|
||||
forM_ chunks (updateBlock ordered col)
|
||||
return UpdateResult
|
||||
ctx <- ask
|
||||
liftIO $ do
|
||||
let writeConcern = case mode of
|
||||
NoConfirm -> ["w" =: (0 :: Int)]
|
||||
Confirm params -> params
|
||||
let docSize = sizeOfDocument $ updateCommandDocument
|
||||
col
|
||||
ordered
|
||||
[]
|
||||
writeConcern
|
||||
let preChunks = splitAtLimit
|
||||
(maxBsonObjectSize sd - docSize)
|
||||
-- size of auxiliary part of update
|
||||
-- document should be subtracted from
|
||||
-- the overall size
|
||||
(maxWriteBatchSize sd)
|
||||
updates
|
||||
let chunks =
|
||||
if ordered
|
||||
then takeRightsUpToLeft preChunks
|
||||
else rights preChunks
|
||||
let lens = map length chunks
|
||||
let lSums = 0 : (zipWith (+) lSums lens)
|
||||
blocks <- interruptibleFor ordered (zip lSums chunks) $ \b -> do
|
||||
ur <- runReaderT (updateBlock ordered col b) ctx
|
||||
return ur
|
||||
`catch` \(e :: Failure) -> do
|
||||
return $ WriteResult True 0 Nothing 0 [] [e] []
|
||||
let failedTotal = or $ map failed blocks
|
||||
let updatedTotal = sum $ map nMatched blocks
|
||||
let modifiedTotal =
|
||||
if all isNothing $ map nModified blocks
|
||||
then Nothing
|
||||
else Just $ sum $ catMaybes $ map nModified blocks
|
||||
let totalWriteErrors = concat $ map writeErrors blocks
|
||||
let totalWriteConcernErrors = concat $ map writeConcernErrors blocks
|
||||
|
||||
let upsertedTotal = concat $ map upserted blocks
|
||||
return $ WriteResult
|
||||
failedTotal
|
||||
updatedTotal
|
||||
modifiedTotal
|
||||
0 -- nRemoved
|
||||
upsertedTotal
|
||||
totalWriteErrors
|
||||
totalWriteConcernErrors
|
||||
|
||||
`catch` \(e :: Failure) -> return $ WriteResult True 0 Nothing 0 [] [e] []
|
||||
|
||||
updateBlock :: (MonadIO m)
|
||||
=> Bool -> Collection -> [Document] -> Action m ()
|
||||
updateBlock ordered col docs = do
|
||||
=> Bool -> Collection -> (Int, [Document]) -> Action m WriteResult
|
||||
updateBlock ordered col (prevCount, docs) = do
|
||||
p <- asks mongoPipe
|
||||
let sd = P.serverData p
|
||||
if (maxWireVersion sd < 2)
|
||||
then do
|
||||
db <- thisDatabase
|
||||
ctx <- ask
|
||||
errors <-
|
||||
liftIO $ forM docs $ \updateDoc -> do
|
||||
let doc = (at "u" updateDoc) :: Document
|
||||
let sel = (at "q" updateDoc) :: Document
|
||||
let upsrt = if at "upsert" updateDoc then [Upsert] else []
|
||||
let multi = if at "multi" updateDoc then [MultiUpdate] else []
|
||||
runReaderT (write (Update (db <.> col) (upsrt ++ multi) sel doc)) ctx
|
||||
return Nothing
|
||||
`catch` \(e :: SomeException) -> do
|
||||
when ordered $ liftIO $ throwIO e
|
||||
return $ Just e
|
||||
let onlyErrors = catMaybes errors
|
||||
if not $ null onlyErrors
|
||||
then liftIO $ throwIO $ WriteFailure 0 (show onlyErrors)
|
||||
else return ()
|
||||
then liftIO $ ioError $ userError "updateMany doesn't support mongodb older than 2.6"
|
||||
else do
|
||||
mode <- asks mongoWriteMode
|
||||
let writeConcern = case mode of
|
||||
NoConfirm -> ["w" =: (0 :: Int)]
|
||||
Confirm params -> params
|
||||
doc <- runCommand $ updateCommandDocument col ordered docs writeConcern
|
||||
case (look "writeErrors" doc, look "writeConcernError" doc) of
|
||||
(Nothing, Nothing) -> return ()
|
||||
(Just err, Nothing) -> do
|
||||
liftIO $ throwIO $ WriteFailure
|
||||
(maybe 0 id $ lookup "ok" doc)
|
||||
(show err)
|
||||
(Nothing, Just err) -> do
|
||||
liftIO $ throwIO $ WriteFailure
|
||||
(maybe 0 id $ lookup "ok" doc)
|
||||
(show err)
|
||||
(Just err, Just writeConcernErr) -> do
|
||||
liftIO $ throwIO $ WriteFailure
|
||||
(maybe 0 id $ lookup "ok" doc)
|
||||
(show err ++ show writeConcernErr)
|
||||
|
||||
let n = fromMaybe 0 $ doc !? "n"
|
||||
let writeErrorsResults =
|
||||
case look "writeErrors" doc of
|
||||
Nothing -> WriteResult False 0 (Just 0) 0 [] [] []
|
||||
Just (Array err) -> WriteResult True 0 (Just 0) 0 [] (map (anyToWriteError prevCount) err) []
|
||||
Just unknownErr -> WriteResult
|
||||
True
|
||||
0
|
||||
(Just 0)
|
||||
0
|
||||
[]
|
||||
[ ProtocolFailure
|
||||
prevCount
|
||||
$ "Expected array of error docs, but received: "
|
||||
++ (show unknownErr)]
|
||||
[]
|
||||
|
||||
let writeConcernResults =
|
||||
case look "writeConcernError" doc of
|
||||
Nothing -> WriteResult False 0 (Just 0) 0 [] [] []
|
||||
Just (Doc err) -> WriteResult
|
||||
True
|
||||
0
|
||||
(Just 0)
|
||||
0
|
||||
[]
|
||||
[]
|
||||
[ WriteConcernFailure
|
||||
(fromMaybe (-1) $ err !? "code")
|
||||
(fromMaybe "" $ err !? "errmsg")
|
||||
]
|
||||
Just unknownErr -> WriteResult
|
||||
True
|
||||
0
|
||||
(Just 0)
|
||||
0
|
||||
[]
|
||||
[]
|
||||
[ ProtocolFailure
|
||||
prevCount
|
||||
$ "Expected doc in writeConcernError, but received: "
|
||||
++ (show unknownErr)]
|
||||
|
||||
let upsertedList = map docToUpserted $ fromMaybe [] (doc !? "upserted")
|
||||
liftIO $ putStrLn $ show doc
|
||||
let successResults = WriteResult False n (doc !? "nModified") 0 upsertedList [] []
|
||||
return $ foldl1' mergeWriteResults [writeErrorsResults, writeConcernResults, successResults]
|
||||
|
||||
|
||||
interruptibleFor :: (Monad m, Result b) => Bool -> [a] -> (a -> m b) -> m [b]
|
||||
interruptibleFor ordered = go []
|
||||
where
|
||||
go !res [] _ = return $ reverse res
|
||||
go !res (x:xs) f = do
|
||||
y <- f x
|
||||
if isFailed y && ordered
|
||||
then return $ reverse (y:res)
|
||||
else go (y:res) xs f
|
||||
|
||||
mergeWriteResults :: WriteResult -> WriteResult -> WriteResult
|
||||
mergeWriteResults
|
||||
(WriteResult failed1 nMatched1 nModified1 nDeleted1 upserted1 writeErrors1 writeConcernErrors1)
|
||||
(WriteResult failed2 nMatched2 nModified2 nDeleted2 upserted2 writeErrors2 writeConcernErrors2) =
|
||||
(WriteResult
|
||||
(failed1 || failed2)
|
||||
(nMatched1 + nMatched2)
|
||||
((liftM2 (+)) nModified1 nModified2)
|
||||
(nDeleted1 + nDeleted2)
|
||||
-- This function is used in foldl1' function. The first argument is the accumulator.
|
||||
-- The list in the accumulator is usually longer than the subsequent value which goes in the second argument.
|
||||
-- So, changing the order of list concatenation allows us to keep linear complexity of the
|
||||
-- whole list accumulation process.
|
||||
(upserted2 ++ upserted1)
|
||||
(writeErrors2 ++ writeErrors1)
|
||||
(writeConcernErrors2 ++ writeConcernErrors1)
|
||||
)
|
||||
|
||||
|
||||
docToUpserted :: Document -> Upserted
|
||||
docToUpserted doc = Upserted ind uid
|
||||
where
|
||||
ind = at "index" doc
|
||||
uid = at "_id" doc
|
||||
|
||||
docToWriteError :: Document -> Failure
|
||||
docToWriteError doc = WriteFailure ind code msg
|
||||
where
|
||||
ind = at "index" doc
|
||||
code = at "code" doc
|
||||
msg = at "errmsg" doc
|
||||
|
||||
-- ** Delete
|
||||
|
||||
|
|
@ -672,8 +844,9 @@ deleteOne = deleteHelper [SingleRemove]
|
|||
deleteHelper :: (MonadIO m)
|
||||
=> [DeleteOption] -> Selection -> Action m ()
|
||||
deleteHelper opts (Select sel col) = do
|
||||
_ <- delete' True col [(sel, opts)]
|
||||
return ()
|
||||
db <- thisDatabase
|
||||
ctx <- ask
|
||||
liftIO $ runReaderT (void $ write (Delete (db <.> col) opts sel)) ctx
|
||||
|
||||
{-| Bulk delete operation. If one delete fails it will not delete the remaining
|
||||
- documents. Current returned value is only a place holder. With mongodb server
|
||||
|
|
@ -683,7 +856,7 @@ deleteHelper opts (Select sel col) = do
|
|||
deleteMany :: (MonadIO m)
|
||||
=> Collection
|
||||
-> [(Selector, [DeleteOption])]
|
||||
-> Action m DeleteResult
|
||||
-> Action m WriteResult
|
||||
deleteMany = delete' True
|
||||
|
||||
{-| Bulk delete operation. If one delete fails it will proceed with the
|
||||
|
|
@ -694,7 +867,7 @@ deleteMany = delete' True
|
|||
deleteAll :: (MonadIO m)
|
||||
=> Collection
|
||||
-> [(Selector, [DeleteOption])]
|
||||
-> Action m DeleteResult
|
||||
-> Action m WriteResult
|
||||
deleteAll = delete' False
|
||||
|
||||
deleteCommandDocument :: Collection -> Bool -> [Document] -> Document -> Document
|
||||
|
|
@ -709,7 +882,7 @@ delete' :: (MonadIO m)
|
|||
=> Bool
|
||||
-> Collection
|
||||
-> [(Selector, [DeleteOption])]
|
||||
-> Action m DeleteResult
|
||||
-> Action m WriteResult
|
||||
delete' ordered col deleteDocs = do
|
||||
p <- asks mongoPipe
|
||||
let sd = P.serverData p
|
||||
|
|
@ -725,59 +898,94 @@ delete' ordered col deleteDocs = do
|
|||
NoConfirm -> ["w" =: (0 :: Int)]
|
||||
Confirm params -> params
|
||||
let docSize = sizeOfDocument $ deleteCommandDocument col ordered [] writeConcern
|
||||
let chunks = splitAtLimit
|
||||
ordered
|
||||
let preChunks = splitAtLimit
|
||||
(maxBsonObjectSize sd - docSize)
|
||||
-- size of auxiliary part of delete
|
||||
-- document should be subtracted from
|
||||
-- the overall size
|
||||
(maxWriteBatchSize sd)
|
||||
deletes
|
||||
forM_ chunks (deleteBlock ordered col)
|
||||
return DeleteResult
|
||||
let chunks =
|
||||
if ordered
|
||||
then takeRightsUpToLeft preChunks
|
||||
else rights preChunks
|
||||
ctx <- ask
|
||||
let lens = map length chunks
|
||||
let lSums = 0 : (zipWith (+) lSums lens)
|
||||
blockResult <- liftIO $ interruptibleFor ordered (zip lSums chunks) $ \b -> do
|
||||
dr <- runReaderT (deleteBlock ordered col b) ctx
|
||||
return dr
|
||||
`catch` \(e :: Failure) -> do
|
||||
return $ WriteResult True 0 Nothing 0 [] [e] []
|
||||
return $ foldl1' mergeWriteResults blockResult
|
||||
|
||||
|
||||
addFailureIndex :: Int -> Failure -> Failure
|
||||
addFailureIndex i (WriteFailure ind code s) = WriteFailure (ind + i) code s
|
||||
addFailureIndex _ f = f
|
||||
|
||||
deleteBlock :: (MonadIO m)
|
||||
=> Bool -> Collection -> [Document] -> Action m ()
|
||||
deleteBlock ordered col docs = do
|
||||
=> Bool -> Collection -> (Int, [Document]) -> Action m WriteResult
|
||||
deleteBlock ordered col (prevCount, docs) = do
|
||||
p <- asks mongoPipe
|
||||
let sd = P.serverData p
|
||||
if (maxWireVersion sd < 2)
|
||||
then do
|
||||
db <- thisDatabase
|
||||
ctx <- ask
|
||||
errors <-
|
||||
liftIO $ forM docs $ \deleteDoc -> do
|
||||
let sel = (at "q" deleteDoc) :: Document
|
||||
let opts = if at "limit" deleteDoc == (1 :: Int) then [SingleRemove] else []
|
||||
runReaderT (write (Delete (db <.> col) opts sel)) ctx
|
||||
return Nothing
|
||||
`catch` \(e :: SomeException) -> do
|
||||
when ordered $ liftIO $ throwIO e
|
||||
return $ Just e
|
||||
let onlyErrors = catMaybes errors
|
||||
if not $ null onlyErrors
|
||||
then liftIO $ throwIO $ WriteFailure 0 (show onlyErrors)
|
||||
else return ()
|
||||
then liftIO $ ioError $ userError "deleteMany doesn't support mongodb older than 2.6"
|
||||
else do
|
||||
mode <- asks mongoWriteMode
|
||||
let writeConcern = case mode of
|
||||
NoConfirm -> ["w" =: (0 :: Int)]
|
||||
Confirm params -> params
|
||||
doc <- runCommand $ deleteCommandDocument col ordered docs writeConcern
|
||||
case (look "writeErrors" doc, look "writeConcernError" doc) of
|
||||
(Nothing, Nothing) -> return ()
|
||||
(Just err, Nothing) -> do
|
||||
liftIO $ throwIO $ WriteFailure
|
||||
(maybe 0 id $ lookup "ok" doc)
|
||||
(show err)
|
||||
(Nothing, Just err) -> do
|
||||
liftIO $ throwIO $ WriteFailure
|
||||
(maybe 0 id $ lookup "ok" doc)
|
||||
(show err)
|
||||
(Just err, Just writeConcernErr) -> do
|
||||
liftIO $ throwIO $ WriteFailure
|
||||
(maybe 0 id $ lookup "ok" doc)
|
||||
(show err ++ show writeConcernErr)
|
||||
let n = fromMaybe 0 $ doc !? "n"
|
||||
liftIO $ putStrLn $ "result of delete block: " ++ (show n)
|
||||
|
||||
let successResults = WriteResult False 0 Nothing n [] [] []
|
||||
let writeErrorsResults =
|
||||
case look "writeErrors" doc of
|
||||
Nothing -> WriteResult False 0 Nothing 0 [] [] []
|
||||
Just (Array err) -> WriteResult True 0 Nothing 0 [] (map (anyToWriteError prevCount) err) []
|
||||
Just unknownErr -> WriteResult
|
||||
True
|
||||
0
|
||||
Nothing
|
||||
0
|
||||
[]
|
||||
[ ProtocolFailure
|
||||
prevCount
|
||||
$ "Expected array of error docs, but received: "
|
||||
++ (show unknownErr)]
|
||||
[]
|
||||
let writeConcernResults =
|
||||
case look "writeConcernError" doc of
|
||||
Nothing -> WriteResult False 0 Nothing 0 [] [] []
|
||||
Just (Doc err) -> WriteResult
|
||||
True
|
||||
0
|
||||
Nothing
|
||||
0
|
||||
[]
|
||||
[]
|
||||
[ WriteConcernFailure
|
||||
(fromMaybe (-1) $ err !? "code")
|
||||
(fromMaybe "" $ err !? "errmsg")
|
||||
]
|
||||
Just unknownErr -> WriteResult
|
||||
True
|
||||
0
|
||||
Nothing
|
||||
0
|
||||
[]
|
||||
[]
|
||||
[ ProtocolFailure
|
||||
prevCount
|
||||
$ "Expected doc in writeConcernError, but received: "
|
||||
++ (show unknownErr)]
|
||||
return $ foldl1' mergeWriteResults [successResults, writeErrorsResults, writeConcernResults]
|
||||
|
||||
anyToWriteError :: Int -> Value -> Failure
|
||||
anyToWriteError _ (Doc d) = docToWriteError d
|
||||
anyToWriteError ind _ = ProtocolFailure ind "Unknown bson value"
|
||||
|
||||
-- * Read
|
||||
|
||||
|
|
|
|||
0
Setup.lhs
Executable file → Normal file
0
Setup.lhs
Executable file → Normal file
|
|
@ -5,7 +5,7 @@ module QuerySpec (spec) where
|
|||
import Data.String (IsString(..))
|
||||
import TestImport
|
||||
import Control.Exception
|
||||
import Control.Monad (forM_)
|
||||
import Control.Monad (forM_, when)
|
||||
import System.Environment (getEnv)
|
||||
import System.IO.Error (catchIOError)
|
||||
import qualified Data.List as L
|
||||
|
|
@ -23,6 +23,11 @@ db action = do
|
|||
close pipe
|
||||
return result
|
||||
|
||||
getWireVersion :: IO Int
|
||||
getWireVersion = db $ do
|
||||
sd <- retrieveServerData
|
||||
return $ maxWireVersion sd
|
||||
|
||||
withCleanDatabase :: ActionWith () -> IO ()
|
||||
withCleanDatabase action = dropDB >> action () >> dropDB >> return ()
|
||||
where
|
||||
|
|
@ -110,8 +115,8 @@ spec = around withCleanDatabase $ do
|
|||
describe "insertAll" $ do
|
||||
it "inserts documents to the collection and returns their _ids" $ do
|
||||
(_id1:_id2:_) <- db $ insertAll "team" [ ["name" =: "Yankees", "league" =: "American"]
|
||||
, ["name" =: "Dodgers", "league" =: "American"]
|
||||
]
|
||||
, ["name" =: "Dodgers", "league" =: "American"]
|
||||
]
|
||||
result <- db $ rest =<< find (select [] "team")
|
||||
result `shouldBe` [["_id" =: _id1, "name" =: "Yankees", "league" =: "American"]
|
||||
,["_id" =: _id2, "name" =: "Dodgers", "league" =: "American"]
|
||||
|
|
@ -171,7 +176,7 @@ spec = around withCleanDatabase $ do
|
|||
|
||||
liftIO $ (length returnedDocs) `shouldBe` 1000
|
||||
it "skips one too big document" $ do
|
||||
db $ insertAll_ "hugeDocCollection" [hugeDocument]
|
||||
(db $ insertAll_ "hugeDocCollection" [hugeDocument]) `shouldThrow` anyException
|
||||
db $ do
|
||||
cur <- find $ (select [] "hugeDocCollection") {limit = 100000, batchSize = 100000}
|
||||
returnedDocs <- rest cur
|
||||
|
|
@ -192,107 +197,146 @@ spec = around withCleanDatabase $ do
|
|||
|
||||
describe "updateMany" $ do
|
||||
it "updates value" $ do
|
||||
_id <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
result <- db $ rest =<< find (select [] "team")
|
||||
result `shouldBe` [["_id" =: _id, "name" =: "Yankees", "league" =: "American"]]
|
||||
_ <- db $ updateMany "team" [([ "_id" =: _id]
|
||||
, ["$set" =: ["league" =: "European"]]
|
||||
, [])]
|
||||
updatedResult <- db $ rest =<< find (select [] "team")
|
||||
updatedResult `shouldBe` [["_id" =: _id, "name" =: "Yankees", "league" =: "European"]]
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_id <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
result <- db $ rest =<< find (select [] "team")
|
||||
result `shouldBe` [["_id" =: _id, "name" =: "Yankees", "league" =: "American"]]
|
||||
_ <- db $ updateMany "team" [([ "_id" =: _id]
|
||||
, ["$set" =: ["league" =: "European"]]
|
||||
, [])]
|
||||
updatedResult <- db $ rest =<< find (select [] "team")
|
||||
updatedResult `shouldBe` [["_id" =: _id, "name" =: "Yankees", "league" =: "European"]]
|
||||
it "upserts value" $ do
|
||||
c <- db $ count (select [] "team")
|
||||
c `shouldBe` 0
|
||||
_ <- db $ updateMany "team" [( []
|
||||
, ["name" =: "Giants", "league" =: "MLB"]
|
||||
, [Upsert]
|
||||
)]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
map L.sort updatedResult `shouldBe` [["league" =: "MLB", "name" =: "Giants"]]
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
c <- db $ count (select [] "team")
|
||||
c `shouldBe` 0
|
||||
_ <- db $ updateMany "team" [( []
|
||||
, ["name" =: "Giants", "league" =: "MLB"]
|
||||
, [Upsert]
|
||||
)]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
map L.sort updatedResult `shouldBe` [["league" =: "MLB", "name" =: "Giants"]]
|
||||
it "updates all documents with Multi enabled" $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "MiLB"]
|
||||
_ <- db $ updateMany "team" [( ["name" =: "Yankees"]
|
||||
, ["$set" =: ["league" =: "MLB"]]
|
||||
, [MultiUpdate]
|
||||
)]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "MLB", "name" =: "Yankees"]
|
||||
, ["league" =: "MLB", "name" =: "Yankees"]
|
||||
]
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "MiLB"]
|
||||
_ <- db $ updateMany "team" [( ["name" =: "Yankees"]
|
||||
, ["$set" =: ["league" =: "MLB"]]
|
||||
, [MultiUpdate]
|
||||
)]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "MLB", "name" =: "Yankees"]
|
||||
, ["league" =: "MLB", "name" =: "Yankees"]
|
||||
]
|
||||
it "updates one document when there is no Multi option" $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "MiLB"]
|
||||
_ <- db $ updateMany "team" [( ["name" =: "Yankees"]
|
||||
, ["$set" =: ["league" =: "MLB"]]
|
||||
, []
|
||||
)]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "MLB", "name" =: "Yankees"]
|
||||
, ["league" =: "MiLB", "name" =: "Yankees"]
|
||||
]
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "MiLB"]
|
||||
_ <- db $ updateMany "team" [( ["name" =: "Yankees"]
|
||||
, ["$set" =: ["league" =: "MLB"]]
|
||||
, []
|
||||
)]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "MLB", "name" =: "Yankees"]
|
||||
, ["league" =: "MiLB", "name" =: "Yankees"]
|
||||
]
|
||||
it "can process different updates" $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
_ <- db $ insert "team" ["name" =: "Giants" , "league" =: "MiLB"]
|
||||
_ <- db $ updateMany "team" [ ( ["name" =: "Yankees"]
|
||||
, ["$set" =: ["league" =: "MiLB"]]
|
||||
, []
|
||||
)
|
||||
, ( ["name" =: "Giants"]
|
||||
, ["$set" =: ["league" =: "MLB"]]
|
||||
, []
|
||||
)
|
||||
]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "MLB" , "name" =: "Giants"]
|
||||
, ["league" =: "MiLB", "name" =: "Yankees"]
|
||||
]
|
||||
it "can process different updates" $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American", "score" =: (Nothing :: Maybe Int)]
|
||||
_ <- db $ insert "team" ["name" =: "Giants" , "league" =: "MiLB", "score" =: (1 :: Int)]
|
||||
(db $ updateMany "team" [ ( ["name" =: "Yankees"]
|
||||
, ["$inc" =: ["score" =: (1 :: Int)]]
|
||||
, []
|
||||
)
|
||||
, ( ["name" =: "Giants"]
|
||||
, ["$inc" =: ["score" =: (2 :: Int)]]
|
||||
, []
|
||||
)
|
||||
]) `shouldThrow` anyException
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "American", "name" =: "Yankees", "score" =: (Nothing :: Maybe Int)]
|
||||
, ["league" =: "MiLB" , "name" =: "Giants" , "score" =: (1 :: Int)]
|
||||
]
|
||||
it "can handle big updates" $ do
|
||||
let docs = (flip map) [0..20000] $ \i ->
|
||||
["name" =: (T.pack $ "name " ++ (show i))]
|
||||
ids <- db $ insertAll "bigCollection" docs
|
||||
let updateDocs = (flip map) ids (\i -> ( [ "_id" =: i]
|
||||
, ["$set" =: ["name" =: ("name " ++ (show i))]]
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American"]
|
||||
_ <- db $ insert "team" ["name" =: "Giants" , "league" =: "MiLB"]
|
||||
_ <- db $ updateMany "team" [ ( ["name" =: "Yankees"]
|
||||
, ["$set" =: ["league" =: "MiLB"]]
|
||||
, []
|
||||
))
|
||||
_ <- db $ updateMany "team" updateDocs
|
||||
updatedResult <- db $ rest =<< find (select [] "team")
|
||||
forM_ updatedResult $ \r -> let (i :: ObjectId) = "_id" `at` r
|
||||
in (("name" `at` r) :: String) `shouldBe` ("name" ++ (show i))
|
||||
)
|
||||
, ( ["name" =: "Giants"]
|
||||
, ["$set" =: ["league" =: "MLB"]]
|
||||
, []
|
||||
)
|
||||
]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "MLB" , "name" =: "Giants"]
|
||||
, ["league" =: "MiLB", "name" =: "Yankees"]
|
||||
]
|
||||
it "can process different updates" $ do
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American", "score" =: (Nothing :: Maybe Int)]
|
||||
_ <- db $ insert "team" ["name" =: "Giants" , "league" =: "MiLB", "score" =: (1 :: Int)]
|
||||
updateResult <- (db $ updateMany "team" [ ( ["name" =: "Yankees"]
|
||||
, ["$inc" =: ["score" =: (1 :: Int)]]
|
||||
, []
|
||||
)
|
||||
, ( ["name" =: "Giants"]
|
||||
, ["$inc" =: ["score" =: (2 :: Int)]]
|
||||
, []
|
||||
)
|
||||
])
|
||||
failed updateResult `shouldBe` True
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "American", "name" =: "Yankees", "score" =: (Nothing :: Maybe Int)]
|
||||
, ["league" =: "MiLB" , "name" =: "Giants" , "score" =: (1 :: Int)]
|
||||
]
|
||||
it "can handle big updates" $ do
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
let docs = (flip map) [0..20000] $ \i ->
|
||||
["name" =: (T.pack $ "name " ++ (show i))]
|
||||
ids <- db $ insertAll "bigCollection" docs
|
||||
let updateDocs = (flip map) ids (\i -> ( [ "_id" =: i]
|
||||
, ["$set" =: ["name" =: ("name " ++ (show i))]]
|
||||
, []
|
||||
))
|
||||
_ <- db $ updateMany "team" updateDocs
|
||||
updatedResult <- db $ rest =<< find (select [] "team")
|
||||
forM_ updatedResult $ \r -> let (i :: ObjectId) = "_id" `at` r
|
||||
in (("name" `at` r) :: String) `shouldBe` ("name" ++ (show i))
|
||||
|
||||
describe "updateAll" $ do
|
||||
it "can process different updates" $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American", "score" =: (Nothing :: Maybe Int)]
|
||||
_ <- db $ insert "team" ["name" =: "Giants" , "league" =: "MiLB", "score" =: (1 :: Int)]
|
||||
(db $ updateAll "team" [ ( ["name" =: "Yankees"]
|
||||
, ["$inc" =: ["score" =: (1 :: Int)]]
|
||||
, []
|
||||
)
|
||||
, ( ["name" =: "Giants"]
|
||||
, ["$inc" =: ["score" =: (2 :: Int)]]
|
||||
, []
|
||||
)
|
||||
]) `shouldThrow` anyException
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "American", "name" =: "Yankees", "score" =: (Nothing :: Maybe Int)]
|
||||
, ["league" =: "MiLB" , "name" =: "Giants" , "score" =: (3 :: Int)]
|
||||
]
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" ["name" =: "Yankees", "league" =: "American", "score" =: (Nothing :: Maybe Int)]
|
||||
_ <- db $ insert "team" ["name" =: "Giants" , "league" =: "MiLB", "score" =: (1 :: Int)]
|
||||
updateResult <- (db $ updateAll "team" [ ( ["name" =: "Yankees"]
|
||||
, ["$inc" =: ["score" =: (1 :: Int)]]
|
||||
, []
|
||||
)
|
||||
, ( ["name" =: "Giants"]
|
||||
, ["$inc" =: ["score" =: (2 :: Int)]]
|
||||
, []
|
||||
)
|
||||
])
|
||||
failed updateResult `shouldBe` True
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
(L.sort $ map L.sort updatedResult) `shouldBe` [ ["league" =: "American", "name" =: "Yankees", "score" =: (Nothing :: Maybe Int)]
|
||||
, ["league" =: "MiLB" , "name" =: "Giants" , "score" =: (3 :: Int)]
|
||||
]
|
||||
it "returns correct number of matched and modified" $ do
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insertMany "testCollection" [["myField" =: "myValue"], ["myField2" =: "myValue2"]]
|
||||
_ <- db $ insertMany "testCollection" [["myField" =: "myValue"], ["myField2" =: "myValue2"]]
|
||||
res <- db $ updateMany "testCollection" [(["myField" =: "myValue"], ["$set" =: ["myField" =: "newValue"]], [MultiUpdate])]
|
||||
nMatched res `shouldBe` 2
|
||||
nModified res `shouldBe` (Just 2)
|
||||
it "returns correct number of upserted" $ do
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
res <- db $ updateMany "testCollection" [(["myField" =: "myValue"], ["$set" =: ["myfield" =: "newValue"]], [Upsert])]
|
||||
(length $ upserted res) `shouldBe` 1
|
||||
it "updates only one doc without multi update" $ do
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insertMany "testCollection" [["myField" =: "myValue"], ["myField2" =: "myValue2"]]
|
||||
_ <- db $ insertMany "testCollection" [["myField" =: "myValue"], ["myField2" =: "myValue2"]]
|
||||
res <- db $ updateMany "testCollection" [(["myField" =: "myValue"], ["$set" =: ["myField" =: "newValue"]], [])]
|
||||
nMatched res `shouldBe` 1
|
||||
nModified res `shouldBe` (Just 1)
|
||||
|
||||
describe "delete" $ do
|
||||
it "actually deletes something" $ do
|
||||
|
|
@ -334,34 +378,47 @@ spec = around withCleanDatabase $ do
|
|||
|
||||
describe "deleteMany" $ do
|
||||
it "actually deletes something" $ do
|
||||
_ <- db $ insert "team" ["name" =: ("Giants" :: String)]
|
||||
_ <- db $ insert "team" ["name" =: ("Yankees" :: String)]
|
||||
_ <- db $ deleteMany "team" [ (["name" =: ("Giants" :: String)], [])
|
||||
, (["name" =: ("Yankees" :: String)], [])
|
||||
]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
length updatedResult `shouldBe` 0
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" ["name" =: ("Giants" :: String)]
|
||||
_ <- db $ insert "team" ["name" =: ("Yankees" :: String)]
|
||||
_ <- db $ deleteMany "team" [ (["name" =: ("Giants" :: String)], [])
|
||||
, (["name" =: ("Yankees" :: String)], [])
|
||||
]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
length updatedResult `shouldBe` 0
|
||||
|
||||
describe "deleteAll" $ do
|
||||
it "actually deletes something" $ do
|
||||
_ <- db $ insert "team" [ "name" =: ("Giants" :: String)
|
||||
, "score" =: (Nothing :: Maybe Int)
|
||||
]
|
||||
_ <- db $ insert "team" [ "name" =: ("Yankees" :: String)
|
||||
, "score" =: (1 :: Int)
|
||||
]
|
||||
_ <- db $ deleteAll "team" [ (["name" =: ("Giants" :: String)], [])
|
||||
, (["name" =: ("Yankees" :: String)], [])
|
||||
]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
length updatedResult `shouldBe` 0
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "team" [ "name" =: ("Giants" :: String)
|
||||
, "score" =: (Nothing :: Maybe Int)
|
||||
]
|
||||
_ <- db $ insert "team" [ "name" =: ("Yankees" :: String)
|
||||
, "score" =: (1 :: Int)
|
||||
]
|
||||
_ <- db $ deleteAll "team" [ (["name" =: ("Giants" :: String)], [])
|
||||
, (["name" =: ("Yankees" :: String)], [])
|
||||
]
|
||||
updatedResult <- db $ rest =<< find ((select [] "team") {project = ["_id" =: (0 :: Int)]})
|
||||
length updatedResult `shouldBe` 0
|
||||
it "can handle big deletes" $ do
|
||||
let docs = (flip map) [0..20000] $ \i ->
|
||||
["name" =: (T.pack $ "name " ++ (show i))]
|
||||
_ <- db $ insertAll "bigCollection" docs
|
||||
_ <- db $ deleteAll "bigCollection" $ map (\d -> (d, [])) docs
|
||||
updatedResult <- db $ rest =<< find ((select [] "bigCollection") {project = ["_id" =: (0 :: Int)]})
|
||||
length updatedResult `shouldBe` 0
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
let docs = (flip map) [0..20000] $ \i ->
|
||||
["name" =: (T.pack $ "name " ++ (show i))]
|
||||
_ <- db $ insertAll "bigCollection" docs
|
||||
_ <- db $ deleteAll "bigCollection" $ map (\d -> (d, [])) docs
|
||||
updatedResult <- db $ rest =<< find ((select [] "bigCollection") {project = ["_id" =: (0 :: Int)]})
|
||||
length updatedResult `shouldBe` 0
|
||||
it "returns correct result" $ do
|
||||
wireVersion <- getWireVersion
|
||||
when (wireVersion > 1) $ do
|
||||
_ <- db $ insert "testCollection" [ "myField" =: "myValue" ]
|
||||
_ <- db $ insert "testCollection" [ "myField" =: "myValue" ]
|
||||
res <- db $ deleteAll "testCollection" [ (["myField" =: "myValue"], []) ]
|
||||
nRemoved res `shouldBe` 2
|
||||
|
||||
describe "allCollections" $ do
|
||||
it "returns all collections in a database" $ do
|
||||
|
|
|
|||
Loading…
Reference in a new issue