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This commit applies ormolu to the whole Haskell code base by running `make format`. For in-flight branches, simply merging changes from `main` will result in merge conflicts. To avoid this, update your branch using the following instructions. Replace `<format-commit>` by the hash of *this* commit. $ git checkout my-feature-branch $ git merge <format-commit>^ # and resolve conflicts normally $ make format $ git commit -a -m "reformat with ormolu" $ git merge -s ours post-ormolu https://github.com/hasura/graphql-engine-mono/pull/2404 GitOrigin-RevId: 75049f5c12f430c615eafb4c6b8e83e371e01c8e
33 lines
1.3 KiB
Haskell
33 lines
1.3 KiB
Haskell
-- | graphql-engine used to have a query plan cache, which cached the execution
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-- plan for a given graphql query (sans JSON variable values). After the PDV
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-- refactor (see
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-- [hasura/graphql-engine#4111](https://github.com/hasura/graphql-engine/pull/4111)),
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-- this query plan cache was not needed anymore. For backwards compatibility
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-- reasons, we still need to parse the configuration options from the CLI, although
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-- the CLI option gets ignored.
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--
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-- Eventually, we can decide to stop parsing the CLI option
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-- --query-plan-cache-size, at which point this module can be removed.
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module Hasura.Cache.Bounded
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( CacheSize (..),
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parseCacheSize,
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)
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where
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import Data.Aeson qualified as J
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import Data.Word (Word16)
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import GHC.Natural (Natural)
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import Hasura.Prelude hiding (lookup)
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newtype CacheSize = CacheSize {unCacheSize :: Word16}
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deriving (Show, Read, Eq, Ord, Bounded, Num, Real, Integral, Enum, J.ToJSON, J.FromJSON)
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parseCacheSize :: String -> Either String CacheSize
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parseCacheSize v =
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-- NOTE: naively using readMaybe Word16 will silently wrap
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case readMaybe v :: Maybe Natural of
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Just n | n <= max16 && n >= 0 -> return (CacheSize $ fromIntegral n)
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_ -> throwError "cache size must be given as a number between 0 and 65535"
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where
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max16 = fromIntegral (maxBound :: Word16) :: Natural
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