git.iko.soy/typeable/minio-hs
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typeable/minio-hs/examples/SelectObject.hs
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1#!/usr/bin/env stack
2-- stack --resolver lts-14.11 runghc --package minio-hs
4--
5-- MinIO Haskell SDK, (C) 2019 MinIO, Inc.
6--
7-- Licensed under the Apache License, Version 2.0 (the "License");
8-- you may not use this file except in compliance with the License.
9-- You may obtain a copy of the License at
10--
11-- http://www.apache.org/licenses/LICENSE-2.0
12--
13-- Unless required by applicable law or agreed to in writing, software
14-- distributed under the License is distributed on an "AS IS" BASIS,
15-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16-- See the License for the specific language governing permissions and
17-- limitations under the License.
18--
19{-# LANGUAGE OverloadedStrings #-}
21import qualified Conduit as C
22import Control.Monad (unless)
23import Network.Minio
24import Prelude
26main :: IO ()
27main = do
28 let bucket = "selectbucket"
29 object = "1.csv"
30 content =
31 "Name,Place,Temperature\n"
32 <> "James,San Jose,76\n"
33 <> "Alicia,San Leandro,88\n"
34 <> "Mark,San Carlos,90\n"
36 res <- runMinio minioPlayCI $ do
37 exists <- bucketExists bucket
38 unless exists $
39 makeBucket bucket Nothing
41 C.liftIO $ putStrLn "Uploading csv object"
42 putObject bucket object (C.sourceLazy content) Nothing defaultPutObjectOptions
44 let sr = selectRequest "Select * from s3object" defaultCsvInput defaultCsvOutput
45 res <- selectObjectContent bucket object sr
46 C.runConduit $ res C..| getPayloadBytes C..| C.stdoutC
47 print res