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34 lines
785 B
Haskell
34 lines
785 B
Haskell
module Hasql.Commands
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(
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Commands,
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asBytes,
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setEncodersToUTF8,
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setMinClientMessagesToWarning,
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)
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where
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import Hasql.Prelude
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import qualified Data.ByteString as B
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import qualified Data.ByteString.Lazy.Builder as BB
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import qualified Data.ByteString.Lazy.Builder.ASCII as BB
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import qualified Data.ByteString.Lazy as BL
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newtype Commands =
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Commands (DList BB.Builder)
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deriving (Monoid)
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instance Semigroup Commands
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asBytes :: Commands -> ByteString
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asBytes (Commands list) =
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BL.toStrict $ BB.toLazyByteString $ foldMap (<> BB.char7 ';') $ list
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setEncodersToUTF8 :: Commands
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setEncodersToUTF8 =
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Commands (pure "SET client_encoding = 'UTF8'")
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setMinClientMessagesToWarning :: Commands
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setMinClientMessagesToWarning =
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Commands (pure "SET client_min_messages TO WARNING")
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