{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ViewPatterns #-}
module Database.Persist.Postgresql.Internal
( P (..)
, PgInterval (..)
, getGetter
, AlterDB (..)
, AlterTable (..)
, AlterColumn (..)
, SafeToRemove
, migrateStructured
, mockMigrateStructured
, addTable
, findAlters
, maySerial
, mayDefault
, showSqlType
, showColumn
, showAlter
, showAlterDb
, showAlterTable
, getAddReference
, udToPair
, safeToRemove
, postgresMkColumns
, getAlters
, escapeE
, escapeF
, escape
) where
import qualified Database.PostgreSQL.Simple as PG
import qualified Database.PostgreSQL.Simple.FromField as PGFF
import qualified Database.PostgreSQL.Simple.Internal as PG
import qualified Database.PostgreSQL.Simple.ToField as PGTF
import qualified Database.PostgreSQL.Simple.TypeInfo.Static as PS
import qualified Database.PostgreSQL.Simple.Types as PG
import qualified Blaze.ByteString.Builder.Char8 as BBB
import Control.Arrow
import Control.Monad
import Control.Monad.Except
import Control.Monad.IO.Unlift (MonadIO (..))
import Control.Monad.Trans.Class (lift)
import Data.Acquire (with)
import qualified Data.Attoparsec.ByteString.Char8 as P
import Data.Bits ((.&.))
import Data.ByteString (ByteString)
import qualified Data.ByteString.Builder as BB
import qualified Data.ByteString.Char8 as B8
import Data.Char (ord)
import Data.Conduit
import qualified Data.Conduit.List as CL
import Data.Data (Typeable)
import Data.Either (partitionEithers)
import Data.Fixed (Fixed (..), Pico)
import Data.Function (on)
import Data.Int (Int64)
import qualified Data.IntMap as I
import Data.List as List (find, foldl', groupBy, sort)
import qualified Data.List.NonEmpty as NEL
import qualified Data.Map as Map
import Data.Maybe
import Data.String.Conversions.Monomorphic (toStrictByteString)
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Text.Encoding as T
import Data.Time (NominalDiffTime, localTimeToUTC, utc)
import Database.Persist.Sql
import qualified Database.Persist.Sql.Util as Util
newtype P = P {P -> PersistValue
unP :: PersistValue}
instance PGTF.ToField P where
toField :: P -> Action
toField (P (PersistText Text
t)) = Text -> Action
forall a. ToField a => a -> Action
PGTF.toField Text
t
toField (P (PersistByteString StrictByteString
bs)) = Binary StrictByteString -> Action
forall a. ToField a => a -> Action
PGTF.toField (StrictByteString -> Binary StrictByteString
forall a. a -> Binary a
PG.Binary StrictByteString
bs)
toField (P (PersistInt64 Int64
i)) = Int64 -> Action
forall a. ToField a => a -> Action
PGTF.toField Int64
i
toField (P (PersistDouble Double
d)) = Double -> Action
forall a. ToField a => a -> Action
PGTF.toField Double
d
toField (P (PersistRational Rational
r)) =
Builder -> Action
PGTF.Plain (Builder -> Action) -> Builder -> Action
forall a b. (a -> b) -> a -> b
$
[Char] -> Builder
BBB.fromString ([Char] -> Builder) -> [Char] -> Builder
forall a b. (a -> b) -> a -> b
$
Pico -> [Char]
forall a. Show a => a -> [Char]
show (Rational -> Pico
forall a. Fractional a => Rational -> a
fromRational Rational
r :: Pico)
toField (P (PersistBool Bool
b)) = Bool -> Action
forall a. ToField a => a -> Action
PGTF.toField Bool
b
toField (P (PersistDay Day
d)) = Day -> Action
forall a. ToField a => a -> Action
PGTF.toField Day
d
toField (P (PersistTimeOfDay TimeOfDay
t)) = TimeOfDay -> Action
forall a. ToField a => a -> Action
PGTF.toField TimeOfDay
t
toField (P (PersistUTCTime UTCTime
t)) = UTCTime -> Action
forall a. ToField a => a -> Action
PGTF.toField UTCTime
t
toField (P PersistValue
PersistNull) = Null -> Action
forall a. ToField a => a -> Action
PGTF.toField Null
PG.Null
toField (P (PersistList [PersistValue]
l)) = Text -> Action
forall a. ToField a => a -> Action
PGTF.toField (Text -> Action) -> Text -> Action
forall a b. (a -> b) -> a -> b
$ [PersistValue] -> Text
listToJSON [PersistValue]
l
toField (P (PersistMap [(Text, PersistValue)]
m)) = Text -> Action
forall a. ToField a => a -> Action
PGTF.toField (Text -> Action) -> Text -> Action
forall a b. (a -> b) -> a -> b
$ [(Text, PersistValue)] -> Text
mapToJSON [(Text, PersistValue)]
m
toField (P (PersistLiteral_ LiteralType
DbSpecific StrictByteString
s)) = Unknown -> Action
forall a. ToField a => a -> Action
PGTF.toField (StrictByteString -> Unknown
Unknown StrictByteString
s)
toField (P (PersistLiteral_ LiteralType
Unescaped StrictByteString
l)) = UnknownLiteral -> Action
forall a. ToField a => a -> Action
PGTF.toField (StrictByteString -> UnknownLiteral
UnknownLiteral StrictByteString
l)
toField (P (PersistLiteral_ LiteralType
Escaped StrictByteString
e)) = Unknown -> Action
forall a. ToField a => a -> Action
PGTF.toField (StrictByteString -> Unknown
Unknown StrictByteString
e)
toField (P (PersistArray [PersistValue]
a)) = PGArray P -> Action
forall a. ToField a => a -> Action
PGTF.toField (PGArray P -> Action) -> PGArray P -> Action
forall a b. (a -> b) -> a -> b
$ [P] -> PGArray P
forall a. [a] -> PGArray a
PG.PGArray ([P] -> PGArray P) -> [P] -> PGArray P
forall a b. (a -> b) -> a -> b
$ PersistValue -> P
P (PersistValue -> P) -> [PersistValue] -> [P]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> [PersistValue]
a
toField (P (PersistObjectId StrictByteString
_)) =
[Char] -> Action
forall a. HasCallStack => [Char] -> a
error [Char]
"Refusing to serialize a PersistObjectId to a PostgreSQL value"
instance PGFF.FromField P where
fromField :: FieldParser P
fromField Field
field Maybe StrictByteString
mdata = (PersistValue -> P) -> Conversion PersistValue -> Conversion P
forall a b. (a -> b) -> Conversion a -> Conversion b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap PersistValue -> P
P (Conversion PersistValue -> Conversion P)
-> Conversion PersistValue -> Conversion P
forall a b. (a -> b) -> a -> b
$ case Maybe StrictByteString
mdata of
Maybe StrictByteString
Nothing -> PersistValue -> Conversion PersistValue
forall a. a -> Conversion a
forall (f :: * -> *) a. Applicative f => a -> f a
pure PersistValue
PersistNull
Maybe StrictByteString
data' -> Oid -> Getter PersistValue
getGetter (Field -> Oid
PGFF.typeOid Field
field) Field
field Maybe StrictByteString
data'
newtype Unknown = Unknown {Unknown -> StrictByteString
unUnknown :: ByteString}
deriving (Unknown -> Unknown -> Bool
(Unknown -> Unknown -> Bool)
-> (Unknown -> Unknown -> Bool) -> Eq Unknown
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: Unknown -> Unknown -> Bool
== :: Unknown -> Unknown -> Bool
$c/= :: Unknown -> Unknown -> Bool
/= :: Unknown -> Unknown -> Bool
Eq, Int -> Unknown -> ShowS
[Unknown] -> ShowS
Unknown -> [Char]
(Int -> Unknown -> ShowS)
-> (Unknown -> [Char]) -> ([Unknown] -> ShowS) -> Show Unknown
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> Unknown -> ShowS
showsPrec :: Int -> Unknown -> ShowS
$cshow :: Unknown -> [Char]
show :: Unknown -> [Char]
$cshowList :: [Unknown] -> ShowS
showList :: [Unknown] -> ShowS
Show, ReadPrec [Unknown]
ReadPrec Unknown
Int -> ReadS Unknown
ReadS [Unknown]
(Int -> ReadS Unknown)
-> ReadS [Unknown]
-> ReadPrec Unknown
-> ReadPrec [Unknown]
-> Read Unknown
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
$creadsPrec :: Int -> ReadS Unknown
readsPrec :: Int -> ReadS Unknown
$creadList :: ReadS [Unknown]
readList :: ReadS [Unknown]
$creadPrec :: ReadPrec Unknown
readPrec :: ReadPrec Unknown
$creadListPrec :: ReadPrec [Unknown]
readListPrec :: ReadPrec [Unknown]
Read, Eq Unknown
Eq Unknown =>
(Unknown -> Unknown -> Ordering)
-> (Unknown -> Unknown -> Bool)
-> (Unknown -> Unknown -> Bool)
-> (Unknown -> Unknown -> Bool)
-> (Unknown -> Unknown -> Bool)
-> (Unknown -> Unknown -> Unknown)
-> (Unknown -> Unknown -> Unknown)
-> Ord Unknown
Unknown -> Unknown -> Bool
Unknown -> Unknown -> Ordering
Unknown -> Unknown -> Unknown
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: Unknown -> Unknown -> Ordering
compare :: Unknown -> Unknown -> Ordering
$c< :: Unknown -> Unknown -> Bool
< :: Unknown -> Unknown -> Bool
$c<= :: Unknown -> Unknown -> Bool
<= :: Unknown -> Unknown -> Bool
$c> :: Unknown -> Unknown -> Bool
> :: Unknown -> Unknown -> Bool
$c>= :: Unknown -> Unknown -> Bool
>= :: Unknown -> Unknown -> Bool
$cmax :: Unknown -> Unknown -> Unknown
max :: Unknown -> Unknown -> Unknown
$cmin :: Unknown -> Unknown -> Unknown
min :: Unknown -> Unknown -> Unknown
Ord)
instance PGFF.FromField Unknown where
fromField :: FieldParser Unknown
fromField Field
f Maybe StrictByteString
mdata =
case Maybe StrictByteString
mdata of
Maybe StrictByteString
Nothing ->
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError)
-> Field -> [Char] -> Conversion Unknown
forall a err.
(Typeable a, Exception err) =>
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> err)
-> Field -> [Char] -> Conversion a
PGFF.returnError
[Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError
PGFF.UnexpectedNull
Field
f
[Char]
"Database.Persist.Postgresql/PGFF.FromField Unknown"
Just StrictByteString
dat -> Unknown -> Conversion Unknown
forall a. a -> Conversion a
forall (m :: * -> *) a. Monad m => a -> m a
return (StrictByteString -> Unknown
Unknown StrictByteString
dat)
instance PGTF.ToField Unknown where
toField :: Unknown -> Action
toField (Unknown StrictByteString
a) = StrictByteString -> Action
PGTF.Escape StrictByteString
a
newtype UnknownLiteral = UnknownLiteral {UnknownLiteral -> StrictByteString
unUnknownLiteral :: ByteString}
deriving (UnknownLiteral -> UnknownLiteral -> Bool
(UnknownLiteral -> UnknownLiteral -> Bool)
-> (UnknownLiteral -> UnknownLiteral -> Bool) -> Eq UnknownLiteral
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: UnknownLiteral -> UnknownLiteral -> Bool
== :: UnknownLiteral -> UnknownLiteral -> Bool
$c/= :: UnknownLiteral -> UnknownLiteral -> Bool
/= :: UnknownLiteral -> UnknownLiteral -> Bool
Eq, Int -> UnknownLiteral -> ShowS
[UnknownLiteral] -> ShowS
UnknownLiteral -> [Char]
(Int -> UnknownLiteral -> ShowS)
-> (UnknownLiteral -> [Char])
-> ([UnknownLiteral] -> ShowS)
-> Show UnknownLiteral
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> UnknownLiteral -> ShowS
showsPrec :: Int -> UnknownLiteral -> ShowS
$cshow :: UnknownLiteral -> [Char]
show :: UnknownLiteral -> [Char]
$cshowList :: [UnknownLiteral] -> ShowS
showList :: [UnknownLiteral] -> ShowS
Show, ReadPrec [UnknownLiteral]
ReadPrec UnknownLiteral
Int -> ReadS UnknownLiteral
ReadS [UnknownLiteral]
(Int -> ReadS UnknownLiteral)
-> ReadS [UnknownLiteral]
-> ReadPrec UnknownLiteral
-> ReadPrec [UnknownLiteral]
-> Read UnknownLiteral
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
$creadsPrec :: Int -> ReadS UnknownLiteral
readsPrec :: Int -> ReadS UnknownLiteral
$creadList :: ReadS [UnknownLiteral]
readList :: ReadS [UnknownLiteral]
$creadPrec :: ReadPrec UnknownLiteral
readPrec :: ReadPrec UnknownLiteral
$creadListPrec :: ReadPrec [UnknownLiteral]
readListPrec :: ReadPrec [UnknownLiteral]
Read, Eq UnknownLiteral
Eq UnknownLiteral =>
(UnknownLiteral -> UnknownLiteral -> Ordering)
-> (UnknownLiteral -> UnknownLiteral -> Bool)
-> (UnknownLiteral -> UnknownLiteral -> Bool)
-> (UnknownLiteral -> UnknownLiteral -> Bool)
-> (UnknownLiteral -> UnknownLiteral -> Bool)
-> (UnknownLiteral -> UnknownLiteral -> UnknownLiteral)
-> (UnknownLiteral -> UnknownLiteral -> UnknownLiteral)
-> Ord UnknownLiteral
UnknownLiteral -> UnknownLiteral -> Bool
UnknownLiteral -> UnknownLiteral -> Ordering
UnknownLiteral -> UnknownLiteral -> UnknownLiteral
forall a.
Eq a =>
(a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
$ccompare :: UnknownLiteral -> UnknownLiteral -> Ordering
compare :: UnknownLiteral -> UnknownLiteral -> Ordering
$c< :: UnknownLiteral -> UnknownLiteral -> Bool
< :: UnknownLiteral -> UnknownLiteral -> Bool
$c<= :: UnknownLiteral -> UnknownLiteral -> Bool
<= :: UnknownLiteral -> UnknownLiteral -> Bool
$c> :: UnknownLiteral -> UnknownLiteral -> Bool
> :: UnknownLiteral -> UnknownLiteral -> Bool
$c>= :: UnknownLiteral -> UnknownLiteral -> Bool
>= :: UnknownLiteral -> UnknownLiteral -> Bool
$cmax :: UnknownLiteral -> UnknownLiteral -> UnknownLiteral
max :: UnknownLiteral -> UnknownLiteral -> UnknownLiteral
$cmin :: UnknownLiteral -> UnknownLiteral -> UnknownLiteral
min :: UnknownLiteral -> UnknownLiteral -> UnknownLiteral
Ord, Typeable)
instance PGFF.FromField UnknownLiteral where
fromField :: FieldParser UnknownLiteral
fromField Field
f Maybe StrictByteString
mdata =
case Maybe StrictByteString
mdata of
Maybe StrictByteString
Nothing ->
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError)
-> Field -> [Char] -> Conversion UnknownLiteral
forall a err.
(Typeable a, Exception err) =>
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> err)
-> Field -> [Char] -> Conversion a
PGFF.returnError
[Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError
PGFF.UnexpectedNull
Field
f
[Char]
"Database.Persist.Postgresql/PGFF.FromField UnknownLiteral"
Just StrictByteString
dat -> UnknownLiteral -> Conversion UnknownLiteral
forall a. a -> Conversion a
forall (m :: * -> *) a. Monad m => a -> m a
return (StrictByteString -> UnknownLiteral
UnknownLiteral StrictByteString
dat)
instance PGTF.ToField UnknownLiteral where
toField :: UnknownLiteral -> Action
toField (UnknownLiteral StrictByteString
a) = Builder -> Action
PGTF.Plain (Builder -> Action) -> Builder -> Action
forall a b. (a -> b) -> a -> b
$ StrictByteString -> Builder
BB.byteString StrictByteString
a
type Getter a = PGFF.FieldParser a
convertPV :: (PGFF.FromField a) => (a -> b) -> Getter b
convertPV :: forall a b. FromField a => (a -> b) -> Getter b
convertPV a -> b
f = ((a -> b) -> Conversion a -> Conversion b
forall a b. (a -> b) -> Conversion a -> Conversion b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap a -> b
f (Conversion a -> Conversion b)
-> (Maybe StrictByteString -> Conversion a)
-> Maybe StrictByteString
-> Conversion b
forall b c a. (b -> c) -> (a -> b) -> a -> c
.) ((Maybe StrictByteString -> Conversion a)
-> Maybe StrictByteString -> Conversion b)
-> (Field -> Maybe StrictByteString -> Conversion a)
-> Field
-> Maybe StrictByteString
-> Conversion b
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Field -> Maybe StrictByteString -> Conversion a
forall a. FromField a => FieldParser a
PGFF.fromField
builtinGetters :: I.IntMap (Getter PersistValue)
builtinGetters :: IntMap (Getter PersistValue)
builtinGetters =
[(Int, Getter PersistValue)] -> IntMap (Getter PersistValue)
forall a. [(Int, a)] -> IntMap a
I.fromList
[ (TypeInfo -> Int
k TypeInfo
PS.bool, (Bool -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Bool -> PersistValue
PersistBool)
, (TypeInfo -> Int
k TypeInfo
PS.bytea, (Binary StrictByteString -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Binary StrictByteString -> StrictByteString)
-> Binary StrictByteString
-> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Binary StrictByteString -> StrictByteString
forall a. Binary a -> a
unBinary))
, (TypeInfo -> Int
k TypeInfo
PS.char, (Text -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Text -> PersistValue
PersistText)
, (TypeInfo -> Int
k TypeInfo
PS.name, (Text -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Text -> PersistValue
PersistText)
, (TypeInfo -> Int
k TypeInfo
PS.int8, (Int64 -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Int64 -> PersistValue
PersistInt64)
, (TypeInfo -> Int
k TypeInfo
PS.int2, (Int64 -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Int64 -> PersistValue
PersistInt64)
, (TypeInfo -> Int
k TypeInfo
PS.int4, (Int64 -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Int64 -> PersistValue
PersistInt64)
, (TypeInfo -> Int
k TypeInfo
PS.text, (Text -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Text -> PersistValue
PersistText)
, (TypeInfo -> Int
k TypeInfo
PS.xml, (Unknown -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
, (TypeInfo -> Int
k TypeInfo
PS.float4, (Double -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Double -> PersistValue
PersistDouble)
, (TypeInfo -> Int
k TypeInfo
PS.float8, (Double -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Double -> PersistValue
PersistDouble)
, (TypeInfo -> Int
k TypeInfo
PS.money, (Rational -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Rational -> PersistValue
PersistRational)
, (TypeInfo -> Int
k TypeInfo
PS.bpchar, (Text -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Text -> PersistValue
PersistText)
, (TypeInfo -> Int
k TypeInfo
PS.varchar, (Text -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Text -> PersistValue
PersistText)
, (TypeInfo -> Int
k TypeInfo
PS.date, (Day -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Day -> PersistValue
PersistDay)
, (TypeInfo -> Int
k TypeInfo
PS.time, (TimeOfDay -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV TimeOfDay -> PersistValue
PersistTimeOfDay)
, (TypeInfo -> Int
k TypeInfo
PS.timestamp, (LocalTime -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (UTCTime -> PersistValue
PersistUTCTime (UTCTime -> PersistValue)
-> (LocalTime -> UTCTime) -> LocalTime -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TimeZone -> LocalTime -> UTCTime
localTimeToUTC TimeZone
utc))
, (TypeInfo -> Int
k TypeInfo
PS.timestamptz, (UTCTime -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV UTCTime -> PersistValue
PersistUTCTime)
, (TypeInfo -> Int
k TypeInfo
PS.interval, (PgInterval -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistLiteralEscaped (StrictByteString -> PersistValue)
-> (PgInterval -> StrictByteString) -> PgInterval -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PgInterval -> StrictByteString
pgIntervalToBs))
, (TypeInfo -> Int
k TypeInfo
PS.bit, (Int64 -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Int64 -> PersistValue
PersistInt64)
, (TypeInfo -> Int
k TypeInfo
PS.varbit, (Int64 -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Int64 -> PersistValue
PersistInt64)
, (TypeInfo -> Int
k TypeInfo
PS.numeric, (Rational -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV Rational -> PersistValue
PersistRational)
, (TypeInfo -> Int
k TypeInfo
PS.void, \Field
_ Maybe StrictByteString
_ -> PersistValue -> Conversion PersistValue
forall a. a -> Conversion a
forall (m :: * -> *) a. Monad m => a -> m a
return PersistValue
PersistNull)
, (TypeInfo -> Int
k TypeInfo
PS.json, (Unknown -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
, (TypeInfo -> Int
k TypeInfo
PS.jsonb, (Unknown -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
, (TypeInfo -> Int
k TypeInfo
PS.unknown, (Unknown -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
,
(Int
1000, (Bool -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Bool -> PersistValue
PersistBool)
, (Int
1001, (Binary StrictByteString -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Binary StrictByteString -> StrictByteString)
-> Binary StrictByteString
-> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Binary StrictByteString -> StrictByteString
forall a. Binary a -> a
unBinary))
, (Int
1002, (Text -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Text -> PersistValue
PersistText)
, (Int
1003, (Text -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Text -> PersistValue
PersistText)
, (Int
1016, (Int64 -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Int64 -> PersistValue
PersistInt64)
, (Int
1005, (Int64 -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Int64 -> PersistValue
PersistInt64)
, (Int
1007, (Int64 -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Int64 -> PersistValue
PersistInt64)
, (Int
1009, (Text -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Text -> PersistValue
PersistText)
, (Int
143, (Unknown -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
, (Int
1021, (Double -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Double -> PersistValue
PersistDouble)
, (Int
1022, (Double -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Double -> PersistValue
PersistDouble)
, (Int
1023, (UTCTime -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf UTCTime -> PersistValue
PersistUTCTime)
, (Int
1024, (UTCTime -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf UTCTime -> PersistValue
PersistUTCTime)
, (Int
791, (Rational -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Rational -> PersistValue
PersistRational)
, (Int
1014, (Text -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Text -> PersistValue
PersistText)
, (Int
1015, (Text -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Text -> PersistValue
PersistText)
, (Int
1182, (Day -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Day -> PersistValue
PersistDay)
, (Int
1183, (TimeOfDay -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf TimeOfDay -> PersistValue
PersistTimeOfDay)
, (Int
1115, (UTCTime -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf UTCTime -> PersistValue
PersistUTCTime)
, (Int
1185, (UTCTime -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf UTCTime -> PersistValue
PersistUTCTime)
, (Int
1187, (PgInterval -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf (StrictByteString -> PersistValue
PersistLiteralEscaped (StrictByteString -> PersistValue)
-> (PgInterval -> StrictByteString) -> PgInterval -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PgInterval -> StrictByteString
pgIntervalToBs))
, (Int
1561, (Int64 -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Int64 -> PersistValue
PersistInt64)
, (Int
1563, (Int64 -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Int64 -> PersistValue
PersistInt64)
, (Int
1231, (Rational -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf Rational -> PersistValue
PersistRational)
,
(Int
2951, (Unknown -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf (StrictByteString -> PersistValue
PersistLiteralEscaped (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
, (Int
199, (Unknown -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
, (Int
3807, (Unknown -> PersistValue) -> Getter PersistValue
forall {a}.
(FromField a, Typeable a) =>
(a -> PersistValue) -> Getter PersistValue
listOf (StrictByteString -> PersistValue
PersistByteString (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown))
]
where
k :: TypeInfo -> Int
k (TypeInfo -> Oid
PGFF.typoid -> Oid
i) = Oid -> Int
PG.oid2int Oid
i
listOf :: (a -> PersistValue) -> Getter PersistValue
listOf a -> PersistValue
f = (PGArray (Maybe a) -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV ([PersistValue] -> PersistValue
PersistList ([PersistValue] -> PersistValue)
-> (PGArray (Maybe a) -> [PersistValue])
-> PGArray (Maybe a)
-> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Maybe a -> PersistValue) -> [Maybe a] -> [PersistValue]
forall a b. (a -> b) -> [a] -> [b]
map ((a -> PersistValue) -> Maybe a -> PersistValue
forall {a}. (a -> PersistValue) -> Maybe a -> PersistValue
nullable a -> PersistValue
f) ([Maybe a] -> [PersistValue])
-> (PGArray (Maybe a) -> [Maybe a])
-> PGArray (Maybe a)
-> [PersistValue]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PGArray (Maybe a) -> [Maybe a]
forall a. PGArray a -> [a]
PG.fromPGArray)
where
nullable :: (a -> PersistValue) -> Maybe a -> PersistValue
nullable = PersistValue -> (a -> PersistValue) -> Maybe a -> PersistValue
forall b a. b -> (a -> b) -> Maybe a -> b
maybe PersistValue
PersistNull
getGetter :: PG.Oid -> Getter PersistValue
getGetter :: Oid -> Getter PersistValue
getGetter Oid
oid =
Getter PersistValue
-> Maybe (Getter PersistValue) -> Getter PersistValue
forall a. a -> Maybe a -> a
fromMaybe Getter PersistValue
defaultGetter (Maybe (Getter PersistValue) -> Getter PersistValue)
-> Maybe (Getter PersistValue) -> Getter PersistValue
forall a b. (a -> b) -> a -> b
$ Int -> IntMap (Getter PersistValue) -> Maybe (Getter PersistValue)
forall a. Int -> IntMap a -> Maybe a
I.lookup (Oid -> Int
PG.oid2int Oid
oid) IntMap (Getter PersistValue)
builtinGetters
where
defaultGetter :: Getter PersistValue
defaultGetter = (Unknown -> PersistValue) -> Getter PersistValue
forall a b. FromField a => (a -> b) -> Getter b
convertPV (StrictByteString -> PersistValue
PersistLiteralEscaped (StrictByteString -> PersistValue)
-> (Unknown -> StrictByteString) -> Unknown -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unknown -> StrictByteString
unUnknown)
unBinary :: PG.Binary a -> a
unBinary :: forall a. Binary a -> a
unBinary (PG.Binary a
x) = a
x
newtype PgInterval = PgInterval {PgInterval -> NominalDiffTime
getPgInterval :: NominalDiffTime}
deriving (PgInterval -> PgInterval -> Bool
(PgInterval -> PgInterval -> Bool)
-> (PgInterval -> PgInterval -> Bool) -> Eq PgInterval
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: PgInterval -> PgInterval -> Bool
== :: PgInterval -> PgInterval -> Bool
$c/= :: PgInterval -> PgInterval -> Bool
/= :: PgInterval -> PgInterval -> Bool
Eq, Int -> PgInterval -> ShowS
[PgInterval] -> ShowS
PgInterval -> [Char]
(Int -> PgInterval -> ShowS)
-> (PgInterval -> [Char])
-> ([PgInterval] -> ShowS)
-> Show PgInterval
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> PgInterval -> ShowS
showsPrec :: Int -> PgInterval -> ShowS
$cshow :: PgInterval -> [Char]
show :: PgInterval -> [Char]
$cshowList :: [PgInterval] -> ShowS
showList :: [PgInterval] -> ShowS
Show)
pgIntervalToBs :: PgInterval -> ByteString
pgIntervalToBs :: PgInterval -> StrictByteString
pgIntervalToBs = [Char] -> StrictByteString
forall a.
ConvertibleStrings a StrictByteString =>
a -> StrictByteString
toStrictByteString ([Char] -> StrictByteString)
-> (PgInterval -> [Char]) -> PgInterval -> StrictByteString
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NominalDiffTime -> [Char]
forall a. Show a => a -> [Char]
show (NominalDiffTime -> [Char])
-> (PgInterval -> NominalDiffTime) -> PgInterval -> [Char]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PgInterval -> NominalDiffTime
getPgInterval
instance PGTF.ToField PgInterval where
toField :: PgInterval -> Action
toField (PgInterval NominalDiffTime
t) = NominalDiffTime -> Action
forall a. ToField a => a -> Action
PGTF.toField NominalDiffTime
t
instance PGFF.FromField PgInterval where
fromField :: FieldParser PgInterval
fromField Field
f Maybe StrictByteString
mdata =
if Field -> Oid
PGFF.typeOid Field
f Oid -> Oid -> Bool
forall a. Eq a => a -> a -> Bool
/= TypeInfo -> Oid
PS.typoid TypeInfo
PS.interval
then ([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError)
-> Field -> [Char] -> Conversion PgInterval
forall a err.
(Typeable a, Exception err) =>
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> err)
-> Field -> [Char] -> Conversion a
PGFF.returnError [Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError
PGFF.Incompatible Field
f [Char]
""
else case Maybe StrictByteString
mdata of
Maybe StrictByteString
Nothing -> ([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError)
-> Field -> [Char] -> Conversion PgInterval
forall a err.
(Typeable a, Exception err) =>
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> err)
-> Field -> [Char] -> Conversion a
PGFF.returnError [Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError
PGFF.UnexpectedNull Field
f [Char]
""
Just StrictByteString
dat -> case Parser NominalDiffTime
-> StrictByteString -> Either [Char] NominalDiffTime
forall a. Parser a -> StrictByteString -> Either [Char] a
P.parseOnly (Parser NominalDiffTime
nominalDiffTime Parser NominalDiffTime
-> Parser StrictByteString () -> Parser NominalDiffTime
forall a b.
Parser StrictByteString a
-> Parser StrictByteString b -> Parser StrictByteString a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* Parser StrictByteString ()
forall t. Chunk t => Parser t ()
P.endOfInput) StrictByteString
dat of
Left [Char]
msg -> ([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError)
-> Field -> [Char] -> Conversion PgInterval
forall a err.
(Typeable a, Exception err) =>
([Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> err)
-> Field -> [Char] -> Conversion a
PGFF.returnError [Char] -> Maybe Oid -> [Char] -> [Char] -> [Char] -> ResultError
PGFF.ConversionFailed Field
f [Char]
msg
Right NominalDiffTime
t -> PgInterval -> Conversion PgInterval
forall a. a -> Conversion a
forall (m :: * -> *) a. Monad m => a -> m a
return (PgInterval -> Conversion PgInterval)
-> PgInterval -> Conversion PgInterval
forall a b. (a -> b) -> a -> b
$ NominalDiffTime -> PgInterval
PgInterval NominalDiffTime
t
where
toPico :: Integer -> Pico
toPico :: Integer -> Pico
toPico = Integer -> Pico
forall k (a :: k). Integer -> Fixed a
MkFixed
twoDigits :: P.Parser Int
twoDigits :: Parser Int
twoDigits = do
a <- Parser Char
P.digit
b <- P.digit
let
c2d Char
c = Char -> Int
ord Char
c Int -> Int -> Int
forall a. Bits a => a -> a -> a
.&. Int
15
return $! c2d a * 10 + c2d b
seconds :: P.Parser Pico
seconds :: Parser Pico
seconds = do
real <- Parser Int
twoDigits
mc <- P.peekChar
case mc of
Just Char
'.' -> do
t <- Parser Char
P.anyChar Parser Char
-> Parser StrictByteString StrictByteString
-> Parser StrictByteString StrictByteString
forall a b.
Parser StrictByteString a
-> Parser StrictByteString b -> Parser StrictByteString b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> (Char -> Bool) -> Parser StrictByteString StrictByteString
P.takeWhile1 Char -> Bool
P.isDigit
return $! parsePicos (fromIntegral real) t
Maybe Char
_ -> Pico -> Parser Pico
forall a. a -> Parser StrictByteString a
forall (m :: * -> *) a. Monad m => a -> m a
return (Pico -> Parser Pico) -> Pico -> Parser Pico
forall a b. (a -> b) -> a -> b
$! Int -> Pico
forall a b. (Integral a, Num b) => a -> b
fromIntegral Int
real
where
parsePicos :: Int64 -> B8.ByteString -> Pico
parsePicos :: Int64 -> StrictByteString -> Pico
parsePicos Int64
a0 StrictByteString
t = Integer -> Pico
toPico (Int64 -> Integer
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Int64
t' Int64 -> Int64 -> Int64
forall a. Num a => a -> a -> a
* Int64
10 Int64 -> Int -> Int64
forall a b. (Num a, Integral b) => a -> b -> a
^ Int
n))
where
n :: Int
n = Int -> Int -> Int
forall a. Ord a => a -> a -> a
max Int
0 (Int
12 Int -> Int -> Int
forall a. Num a => a -> a -> a
- StrictByteString -> Int
B8.length StrictByteString
t)
t' :: Int64
t' =
(Int64 -> Char -> Int64) -> Int64 -> StrictByteString -> Int64
forall a. (a -> Char -> a) -> a -> StrictByteString -> a
B8.foldl'
(\Int64
a Char
c -> Int64
10 Int64 -> Int64 -> Int64
forall a. Num a => a -> a -> a
* Int64
a Int64 -> Int64 -> Int64
forall a. Num a => a -> a -> a
+ Int -> Int64
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Char -> Int
ord Char
c Int -> Int -> Int
forall a. Bits a => a -> a -> a
.&. Int
15))
Int64
a0
(Int -> StrictByteString -> StrictByteString
B8.take Int
12 StrictByteString
t)
parseSign :: P.Parser Bool
parseSign :: Parser Bool
parseSign = [Parser Bool] -> Parser Bool
forall (f :: * -> *) a. Alternative f => [f a] -> f a
P.choice [Char -> Parser Char
P.char Char
'-' Parser Char -> Parser Bool -> Parser Bool
forall a b.
Parser StrictByteString a
-> Parser StrictByteString b -> Parser StrictByteString b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Bool -> Parser Bool
forall a. a -> Parser StrictByteString a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True, Bool -> Parser Bool
forall a. a -> Parser StrictByteString a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False]
interval :: P.Parser (Bool, Int, Int, Pico)
interval :: Parser (Bool, Int, Int, Pico)
interval = do
s <- Parser Bool
parseSign
h <- P.decimal <* P.char ':'
m <- twoDigits <* P.char ':'
ss <- seconds
if m < 60 && ss <= 60
then return (s, h, m, ss)
else fail "Invalid interval"
nominalDiffTime :: P.Parser NominalDiffTime
nominalDiffTime :: Parser NominalDiffTime
nominalDiffTime = do
(s, h, m, ss) <- Parser (Bool, Int, Int, Pico)
interval
let
pico = Pico
ss Pico -> Pico -> Pico
forall a. Num a => a -> a -> a
+ Pico
60 Pico -> Pico -> Pico
forall a. Num a => a -> a -> a
* (Int -> Pico
forall a b. (Integral a, Num b) => a -> b
fromIntegral Int
m) Pico -> Pico -> Pico
forall a. Num a => a -> a -> a
+ Pico
60 Pico -> Pico -> Pico
forall a. Num a => a -> a -> a
* Pico
60 Pico -> Pico -> Pico
forall a. Num a => a -> a -> a
* (Int -> Pico
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Int -> Int
forall a. Num a => a -> a
abs Int
h))
return . fromRational . toRational $ if s then (-pico) else pico
fromPersistValueError
:: Text
-> Text
-> PersistValue
-> Text
fromPersistValueError :: Text -> Text -> PersistValue -> Text
fromPersistValueError Text
haskellType Text
databaseType PersistValue
received =
[Text] -> Text
T.concat
[ Text
"Failed to parse Haskell type `"
, Text
haskellType
, Text
"`; expected "
, Text
databaseType
, Text
" from database, but received: "
, [Char] -> Text
T.pack (PersistValue -> [Char]
forall a. Show a => a -> [Char]
show PersistValue
received)
, Text
". Potential solution: Check that your database schema matches your Persistent model definitions."
]
instance PersistField PgInterval where
toPersistValue :: PgInterval -> PersistValue
toPersistValue = StrictByteString -> PersistValue
PersistLiteralEscaped (StrictByteString -> PersistValue)
-> (PgInterval -> StrictByteString) -> PgInterval -> PersistValue
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PgInterval -> StrictByteString
pgIntervalToBs
fromPersistValue :: PersistValue -> Either Text PgInterval
fromPersistValue (PersistLiteral_ LiteralType
DbSpecific StrictByteString
bs) =
PersistValue -> Either Text PgInterval
forall a. PersistField a => PersistValue -> Either Text a
fromPersistValue (StrictByteString -> PersistValue
PersistLiteralEscaped StrictByteString
bs)
fromPersistValue x :: PersistValue
x@(PersistLiteral_ LiteralType
Escaped StrictByteString
bs) =
case Parser NominalDiffTime
-> StrictByteString -> Either [Char] NominalDiffTime
forall a. Parser a -> StrictByteString -> Either [Char] a
P.parseOnly (Parser NominalDiffTime -> Parser NominalDiffTime
forall a. Num a => Parser a -> Parser a
P.signed Parser NominalDiffTime
forall a. Fractional a => Parser a
P.rational Parser NominalDiffTime -> Parser Char -> Parser NominalDiffTime
forall a b.
Parser StrictByteString a
-> Parser StrictByteString b -> Parser StrictByteString a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* Char -> Parser Char
P.char Char
's' Parser NominalDiffTime
-> Parser StrictByteString () -> Parser NominalDiffTime
forall a b.
Parser StrictByteString a
-> Parser StrictByteString b -> Parser StrictByteString a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* Parser StrictByteString ()
forall t. Chunk t => Parser t ()
P.endOfInput) StrictByteString
bs of
Left [Char]
_ -> Text -> Either Text PgInterval
forall a b. a -> Either a b
Left (Text -> Either Text PgInterval) -> Text -> Either Text PgInterval
forall a b. (a -> b) -> a -> b
$ Text -> Text -> PersistValue -> Text
fromPersistValueError Text
"PgInterval" Text
"Interval" PersistValue
x
Right NominalDiffTime
i -> PgInterval -> Either Text PgInterval
forall a b. b -> Either a b
Right (PgInterval -> Either Text PgInterval)
-> PgInterval -> Either Text PgInterval
forall a b. (a -> b) -> a -> b
$ NominalDiffTime -> PgInterval
PgInterval NominalDiffTime
i
fromPersistValue PersistValue
x = Text -> Either Text PgInterval
forall a b. a -> Either a b
Left (Text -> Either Text PgInterval) -> Text -> Either Text PgInterval
forall a b. (a -> b) -> a -> b
$ Text -> Text -> PersistValue -> Text
fromPersistValueError Text
"PgInterval" Text
"Interval" PersistValue
x
instance PersistFieldSql PgInterval where
sqlType :: Proxy PgInterval -> SqlType
sqlType Proxy PgInterval
_ = Text -> SqlType
SqlOther Text
"interval"
newtype SafeToRemove = SafeToRemove Bool
deriving (Int -> SafeToRemove -> ShowS
[SafeToRemove] -> ShowS
SafeToRemove -> [Char]
(Int -> SafeToRemove -> ShowS)
-> (SafeToRemove -> [Char])
-> ([SafeToRemove] -> ShowS)
-> Show SafeToRemove
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> SafeToRemove -> ShowS
showsPrec :: Int -> SafeToRemove -> ShowS
$cshow :: SafeToRemove -> [Char]
show :: SafeToRemove -> [Char]
$cshowList :: [SafeToRemove] -> ShowS
showList :: [SafeToRemove] -> ShowS
Show, SafeToRemove -> SafeToRemove -> Bool
(SafeToRemove -> SafeToRemove -> Bool)
-> (SafeToRemove -> SafeToRemove -> Bool) -> Eq SafeToRemove
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: SafeToRemove -> SafeToRemove -> Bool
== :: SafeToRemove -> SafeToRemove -> Bool
$c/= :: SafeToRemove -> SafeToRemove -> Bool
/= :: SafeToRemove -> SafeToRemove -> Bool
Eq)
data AlterColumn
= ChangeType Column SqlType Text
| IsNull Column
| NotNull Column
| AddColumn Column
| Drop Column SafeToRemove
| Default Column Text
| NoDefault Column
| UpdateNullToValue Column Text
| AddReference
EntityNameDB
ConstraintNameDB
(NEL.NonEmpty FieldNameDB)
[Text]
FieldCascade
| DropReference ConstraintNameDB
deriving (Int -> AlterColumn -> ShowS
[AlterColumn] -> ShowS
AlterColumn -> [Char]
(Int -> AlterColumn -> ShowS)
-> (AlterColumn -> [Char])
-> ([AlterColumn] -> ShowS)
-> Show AlterColumn
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> AlterColumn -> ShowS
showsPrec :: Int -> AlterColumn -> ShowS
$cshow :: AlterColumn -> [Char]
show :: AlterColumn -> [Char]
$cshowList :: [AlterColumn] -> ShowS
showList :: [AlterColumn] -> ShowS
Show, AlterColumn -> AlterColumn -> Bool
(AlterColumn -> AlterColumn -> Bool)
-> (AlterColumn -> AlterColumn -> Bool) -> Eq AlterColumn
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: AlterColumn -> AlterColumn -> Bool
== :: AlterColumn -> AlterColumn -> Bool
$c/= :: AlterColumn -> AlterColumn -> Bool
/= :: AlterColumn -> AlterColumn -> Bool
Eq)
data AlterTable
= AddUniqueConstraint ConstraintNameDB [FieldNameDB]
| DropConstraint ConstraintNameDB
deriving (Int -> AlterTable -> ShowS
[AlterTable] -> ShowS
AlterTable -> [Char]
(Int -> AlterTable -> ShowS)
-> (AlterTable -> [Char])
-> ([AlterTable] -> ShowS)
-> Show AlterTable
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> AlterTable -> ShowS
showsPrec :: Int -> AlterTable -> ShowS
$cshow :: AlterTable -> [Char]
show :: AlterTable -> [Char]
$cshowList :: [AlterTable] -> ShowS
showList :: [AlterTable] -> ShowS
Show, AlterTable -> AlterTable -> Bool
(AlterTable -> AlterTable -> Bool)
-> (AlterTable -> AlterTable -> Bool) -> Eq AlterTable
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: AlterTable -> AlterTable -> Bool
== :: AlterTable -> AlterTable -> Bool
$c/= :: AlterTable -> AlterTable -> Bool
/= :: AlterTable -> AlterTable -> Bool
Eq)
data AlterDB
= AddTable EntityNameDB EntityIdDef [Column]
| AlterColumn EntityNameDB AlterColumn
| AlterTable EntityNameDB AlterTable
deriving (Int -> AlterDB -> ShowS
[AlterDB] -> ShowS
AlterDB -> [Char]
(Int -> AlterDB -> ShowS)
-> (AlterDB -> [Char]) -> ([AlterDB] -> ShowS) -> Show AlterDB
forall a.
(Int -> a -> ShowS) -> (a -> [Char]) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> AlterDB -> ShowS
showsPrec :: Int -> AlterDB -> ShowS
$cshow :: AlterDB -> [Char]
show :: AlterDB -> [Char]
$cshowList :: [AlterDB] -> ShowS
showList :: [AlterDB] -> ShowS
Show, AlterDB -> AlterDB -> Bool
(AlterDB -> AlterDB -> Bool)
-> (AlterDB -> AlterDB -> Bool) -> Eq AlterDB
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: AlterDB -> AlterDB -> Bool
== :: AlterDB -> AlterDB -> Bool
$c/= :: AlterDB -> AlterDB -> Bool
/= :: AlterDB -> AlterDB -> Bool
Eq)
migrateStructured
:: [EntityDef]
-> (Text -> IO Statement)
-> EntityDef
-> IO (Either [Text] [AlterDB])
migrateStructured :: [EntityDef]
-> (Text -> IO Statement)
-> EntityDef
-> IO (Either [Text] [AlterDB])
migrateStructured [EntityDef]
allDefs Text -> IO Statement
getter EntityDef
entity = do
old <- (Text -> IO Statement)
-> EntityDef
-> [Column]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
getColumns Text -> IO Statement
getter EntityDef
entity [Column]
newcols'
case partitionEithers old of
([], [Either Column (ConstraintNameDB, [FieldNameDB])]
old'') -> do
exists' <-
if [Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
old
then (Text -> IO Statement) -> EntityNameDB -> IO Bool
doesTableExist Text -> IO Statement
getter EntityNameDB
name
else Bool -> IO Bool
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
return $ Right $ migrationText exists' old''
([Text]
errs, [Either Column (ConstraintNameDB, [FieldNameDB])]
_) -> Either [Text] [AlterDB] -> IO (Either [Text] [AlterDB])
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Either [Text] [AlterDB] -> IO (Either [Text] [AlterDB]))
-> Either [Text] [AlterDB] -> IO (Either [Text] [AlterDB])
forall a b. (a -> b) -> a -> b
$ [Text] -> Either [Text] [AlterDB]
forall a b. a -> Either a b
Left [Text]
errs
where
name :: EntityNameDB
name = EntityDef -> EntityNameDB
getEntityDBName EntityDef
entity
([Column]
newcols', [UniqueDef]
udefs, [ForeignDef]
fdefs) = [EntityDef] -> EntityDef -> ([Column], [UniqueDef], [ForeignDef])
postgresMkColumns [EntityDef]
allDefs EntityDef
entity
migrationText :: Bool
-> [Either Column (ConstraintNameDB, [FieldNameDB])] -> [AlterDB]
migrationText Bool
exists' [Either Column (ConstraintNameDB, [FieldNameDB])]
old''
| Bool -> Bool
not Bool
exists' =
[Column]
-> [ForeignDef] -> [(ConstraintNameDB, [FieldNameDB])] -> [AlterDB]
forall {t :: * -> *}.
Foldable t =>
[Column]
-> [ForeignDef] -> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB]
createText [Column]
newcols [ForeignDef]
fdefs [(ConstraintNameDB, [FieldNameDB])]
udspair
| Bool
otherwise =
let
([AlterColumn]
acs, [AlterTable]
ats) =
[EntityDef]
-> EntityDef
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
-> ([AlterColumn], [AlterTable])
getAlters [EntityDef]
allDefs EntityDef
entity ([Column]
newcols, [(ConstraintNameDB, [FieldNameDB])]
udspair) ([Column], [(ConstraintNameDB, [FieldNameDB])])
old'
acs' :: [AlterDB]
acs' = (AlterColumn -> AlterDB) -> [AlterColumn] -> [AlterDB]
forall a b. (a -> b) -> [a] -> [b]
map (EntityNameDB -> AlterColumn -> AlterDB
AlterColumn EntityNameDB
name) [AlterColumn]
acs
ats' :: [AlterDB]
ats' = (AlterTable -> AlterDB) -> [AlterTable] -> [AlterDB]
forall a b. (a -> b) -> [a] -> [b]
map (EntityNameDB -> AlterTable -> AlterDB
AlterTable EntityNameDB
name) [AlterTable]
ats
in
[AlterDB]
acs' [AlterDB] -> [AlterDB] -> [AlterDB]
forall a. [a] -> [a] -> [a]
++ [AlterDB]
ats'
where
old' :: ([Column], [(ConstraintNameDB, [FieldNameDB])])
old' = [Either Column (ConstraintNameDB, [FieldNameDB])]
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
forall a b. [Either a b] -> ([a], [b])
partitionEithers [Either Column (ConstraintNameDB, [FieldNameDB])]
old''
newcols :: [Column]
newcols = (Column -> Bool) -> [Column] -> [Column]
forall a. (a -> Bool) -> [a] -> [a]
filter (Bool -> Bool
not (Bool -> Bool) -> (Column -> Bool) -> Column -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. EntityDef -> FieldNameDB -> Bool
safeToRemove EntityDef
entity (FieldNameDB -> Bool) -> (Column -> FieldNameDB) -> Column -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Column -> FieldNameDB
cName) [Column]
newcols'
udspair :: [(ConstraintNameDB, [FieldNameDB])]
udspair = (UniqueDef -> (ConstraintNameDB, [FieldNameDB]))
-> [UniqueDef] -> [(ConstraintNameDB, [FieldNameDB])]
forall a b. (a -> b) -> [a] -> [b]
map UniqueDef -> (ConstraintNameDB, [FieldNameDB])
udToPair [UniqueDef]
udefs
createText :: [Column]
-> [ForeignDef] -> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB]
createText [Column]
newcols [ForeignDef]
fdefs_ t (ConstraintNameDB, [FieldNameDB])
udspair =
([Column] -> EntityDef -> AlterDB
addTable [Column]
newcols EntityDef
entity) AlterDB -> [AlterDB] -> [AlterDB]
forall a. a -> [a] -> [a]
: [AlterDB]
uniques [AlterDB] -> [AlterDB] -> [AlterDB]
forall a. [a] -> [a] -> [a]
++ [AlterDB]
references [AlterDB] -> [AlterDB] -> [AlterDB]
forall a. [a] -> [a] -> [a]
++ [AlterDB]
foreignsAlt
where
uniques :: [AlterDB]
uniques = (((ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> t (ConstraintNameDB, [FieldNameDB])
-> ((ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> [AlterDB]
forall a b c. (a -> b -> c) -> b -> a -> c
flip ((ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap t (ConstraintNameDB, [FieldNameDB])
udspair (((ConstraintNameDB, [FieldNameDB]) -> [AlterDB]) -> [AlterDB])
-> ((ConstraintNameDB, [FieldNameDB]) -> [AlterDB]) -> [AlterDB]
forall a b. (a -> b) -> a -> b
$ \(ConstraintNameDB
uname, [FieldNameDB]
ucols) ->
[EntityNameDB -> AlterTable -> AlterDB
AlterTable EntityNameDB
name (AlterTable -> AlterDB) -> AlterTable -> AlterDB
forall a b. (a -> b) -> a -> b
$ ConstraintNameDB -> [FieldNameDB] -> AlterTable
AddUniqueConstraint ConstraintNameDB
uname [FieldNameDB]
ucols]
references :: [AlterDB]
references =
(Column -> Maybe AlterDB) -> [Column] -> [AlterDB]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe
( \Column{FieldNameDB
cName :: Column -> FieldNameDB
cName :: FieldNameDB
cName, Maybe ColumnReference
cReference :: Maybe ColumnReference
cReference :: Column -> Maybe ColumnReference
cReference} ->
[EntityDef]
-> EntityDef -> FieldNameDB -> ColumnReference -> Maybe AlterDB
getAddReference [EntityDef]
allDefs EntityDef
entity FieldNameDB
cName (ColumnReference -> Maybe AlterDB)
-> Maybe ColumnReference -> Maybe AlterDB
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< Maybe ColumnReference
cReference
)
[Column]
newcols
foreignsAlt :: [AlterDB]
foreignsAlt = (ForeignDef -> Maybe AlterDB) -> [ForeignDef] -> [AlterDB]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe (EntityDef -> ForeignDef -> Maybe AlterDB
mkForeignAlt EntityDef
entity) [ForeignDef]
fdefs_
mockMigrateStructured
:: [EntityDef]
-> EntityDef
-> [AlterDB]
mockMigrateStructured :: [EntityDef] -> EntityDef -> [AlterDB]
mockMigrateStructured [EntityDef]
allDefs EntityDef
entity = [AlterDB]
migrationText
where
name :: EntityNameDB
name = EntityDef -> EntityNameDB
getEntityDBName EntityDef
entity
migrationText :: [AlterDB]
migrationText = [Column]
-> [ForeignDef] -> [(ConstraintNameDB, [FieldNameDB])] -> [AlterDB]
forall {t :: * -> *}.
Foldable t =>
[Column]
-> [ForeignDef] -> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB]
createText [Column]
newcols [ForeignDef]
fdefs [(ConstraintNameDB, [FieldNameDB])]
udspair
where
([Column]
newcols', [UniqueDef]
udefs, [ForeignDef]
fdefs) = [EntityDef] -> EntityDef -> ([Column], [UniqueDef], [ForeignDef])
postgresMkColumns [EntityDef]
allDefs EntityDef
entity
newcols :: [Column]
newcols = (Column -> Bool) -> [Column] -> [Column]
forall a. (a -> Bool) -> [a] -> [a]
filter (Bool -> Bool
not (Bool -> Bool) -> (Column -> Bool) -> Column -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. EntityDef -> FieldNameDB -> Bool
safeToRemove EntityDef
entity (FieldNameDB -> Bool) -> (Column -> FieldNameDB) -> Column -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Column -> FieldNameDB
cName) [Column]
newcols'
udspair :: [(ConstraintNameDB, [FieldNameDB])]
udspair = (UniqueDef -> (ConstraintNameDB, [FieldNameDB]))
-> [UniqueDef] -> [(ConstraintNameDB, [FieldNameDB])]
forall a b. (a -> b) -> [a] -> [b]
map UniqueDef -> (ConstraintNameDB, [FieldNameDB])
udToPair [UniqueDef]
udefs
createText :: [Column]
-> [ForeignDef] -> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB]
createText [Column]
newcols [ForeignDef]
fdefs t (ConstraintNameDB, [FieldNameDB])
udspair =
([Column] -> EntityDef -> AlterDB
addTable [Column]
newcols EntityDef
entity) AlterDB -> [AlterDB] -> [AlterDB]
forall a. a -> [a] -> [a]
: [AlterDB]
uniques [AlterDB] -> [AlterDB] -> [AlterDB]
forall a. [a] -> [a] -> [a]
++ [AlterDB]
references [AlterDB] -> [AlterDB] -> [AlterDB]
forall a. [a] -> [a] -> [a]
++ [AlterDB]
foreignsAlt
where
uniques :: [AlterDB]
uniques = (((ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> t (ConstraintNameDB, [FieldNameDB])
-> ((ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> [AlterDB]
forall a b c. (a -> b -> c) -> b -> a -> c
flip ((ConstraintNameDB, [FieldNameDB]) -> [AlterDB])
-> t (ConstraintNameDB, [FieldNameDB]) -> [AlterDB]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap t (ConstraintNameDB, [FieldNameDB])
udspair (((ConstraintNameDB, [FieldNameDB]) -> [AlterDB]) -> [AlterDB])
-> ((ConstraintNameDB, [FieldNameDB]) -> [AlterDB]) -> [AlterDB]
forall a b. (a -> b) -> a -> b
$ \(ConstraintNameDB
uname, [FieldNameDB]
ucols) ->
[EntityNameDB -> AlterTable -> AlterDB
AlterTable EntityNameDB
name (AlterTable -> AlterDB) -> AlterTable -> AlterDB
forall a b. (a -> b) -> a -> b
$ ConstraintNameDB -> [FieldNameDB] -> AlterTable
AddUniqueConstraint ConstraintNameDB
uname [FieldNameDB]
ucols]
references :: [AlterDB]
references =
(Column -> Maybe AlterDB) -> [Column] -> [AlterDB]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe
( \Column{FieldNameDB
cName :: Column -> FieldNameDB
cName :: FieldNameDB
cName, Maybe ColumnReference
cReference :: Column -> Maybe ColumnReference
cReference :: Maybe ColumnReference
cReference} ->
[EntityDef]
-> EntityDef -> FieldNameDB -> ColumnReference -> Maybe AlterDB
getAddReference [EntityDef]
allDefs EntityDef
entity FieldNameDB
cName (ColumnReference -> Maybe AlterDB)
-> Maybe ColumnReference -> Maybe AlterDB
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< Maybe ColumnReference
cReference
)
[Column]
newcols
foreignsAlt :: [AlterDB]
foreignsAlt = (ForeignDef -> Maybe AlterDB) -> [ForeignDef] -> [AlterDB]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe (EntityDef -> ForeignDef -> Maybe AlterDB
mkForeignAlt EntityDef
entity) [ForeignDef]
fdefs
addTable :: [Column] -> EntityDef -> AlterDB
addTable :: [Column] -> EntityDef -> AlterDB
addTable [Column]
cols EntityDef
entity =
EntityNameDB -> EntityIdDef -> [Column] -> AlterDB
AddTable EntityNameDB
name EntityIdDef
entityId [Column]
nonIdCols
where
nonIdCols :: [Column]
nonIdCols =
case EntityDef -> Maybe CompositeDef
entityPrimary EntityDef
entity of
Just CompositeDef
_ ->
[Column]
cols
Maybe CompositeDef
_ ->
(Column -> Bool) -> [Column] -> [Column]
forall a. (a -> Bool) -> [a] -> [a]
filter Column -> Bool
keepField [Column]
cols
where
keepField :: Column -> Bool
keepField Column
c =
FieldNameDB -> Maybe FieldNameDB
forall a. a -> Maybe a
Just (Column -> FieldNameDB
cName Column
c) Maybe FieldNameDB -> Maybe FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
/= (FieldDef -> FieldNameDB) -> Maybe FieldDef -> Maybe FieldNameDB
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap FieldDef -> FieldNameDB
fieldDB (EntityDef -> Maybe FieldDef
getEntityIdField EntityDef
entity)
Bool -> Bool -> Bool
&& Bool -> Bool
not (EntityDef -> FieldNameDB -> Bool
safeToRemove EntityDef
entity (Column -> FieldNameDB
cName Column
c))
entityId :: EntityIdDef
entityId = EntityDef -> EntityIdDef
getEntityId EntityDef
entity
name :: EntityNameDB
name = EntityDef -> EntityNameDB
getEntityDBName EntityDef
entity
maySerial :: SqlType -> Maybe Text -> Text
maySerial :: SqlType -> Maybe Text -> Text
maySerial SqlType
SqlInt64 Maybe Text
Nothing = Text
" SERIAL8 "
maySerial SqlType
sType Maybe Text
_ = Text
" " Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> SqlType -> Text
showSqlType SqlType
sType
mayDefault :: Maybe Text -> Text
mayDefault :: Maybe Text -> Text
mayDefault Maybe Text
def = case Maybe Text
def of
Maybe Text
Nothing -> Text
""
Just Text
d -> Text
" DEFAULT " Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
d
getAlters
:: [EntityDef]
-> EntityDef
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
-> ([AlterColumn], [AlterTable])
getAlters :: [EntityDef]
-> EntityDef
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
-> ([Column], [(ConstraintNameDB, [FieldNameDB])])
-> ([AlterColumn], [AlterTable])
getAlters [EntityDef]
defs EntityDef
def ([Column]
c1, [(ConstraintNameDB, [FieldNameDB])]
u1) ([Column]
c2, [(ConstraintNameDB, [FieldNameDB])]
u2) =
([Column] -> [Column] -> [AlterColumn]
getAltersC [Column]
c1 [Column]
c2, [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])] -> [AlterTable]
getAltersU [(ConstraintNameDB, [FieldNameDB])]
u1 [(ConstraintNameDB, [FieldNameDB])]
u2)
where
getAltersC :: [Column] -> [Column] -> [AlterColumn]
getAltersC [] [Column]
old =
(Column -> AlterColumn) -> [Column] -> [AlterColumn]
forall a b. (a -> b) -> [a] -> [b]
map (\Column
x -> Column -> SafeToRemove -> AlterColumn
Drop Column
x (SafeToRemove -> AlterColumn) -> SafeToRemove -> AlterColumn
forall a b. (a -> b) -> a -> b
$ Bool -> SafeToRemove
SafeToRemove (Bool -> SafeToRemove) -> Bool -> SafeToRemove
forall a b. (a -> b) -> a -> b
$ EntityDef -> FieldNameDB -> Bool
safeToRemove EntityDef
def (FieldNameDB -> Bool) -> FieldNameDB -> Bool
forall a b. (a -> b) -> a -> b
$ Column -> FieldNameDB
cName Column
x) [Column]
old
getAltersC (Column
new : [Column]
news) [Column]
old =
let
([AlterColumn]
alters, [Column]
old') = [EntityDef]
-> EntityDef -> Column -> [Column] -> ([AlterColumn], [Column])
findAlters [EntityDef]
defs EntityDef
def Column
new [Column]
old
in
[AlterColumn]
alters [AlterColumn] -> [AlterColumn] -> [AlterColumn]
forall a. [a] -> [a] -> [a]
++ [Column] -> [Column] -> [AlterColumn]
getAltersC [Column]
news [Column]
old'
getAltersU
:: [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])]
-> [AlterTable]
getAltersU :: [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])] -> [AlterTable]
getAltersU [] [(ConstraintNameDB, [FieldNameDB])]
old =
(ConstraintNameDB -> AlterTable)
-> [ConstraintNameDB] -> [AlterTable]
forall a b. (a -> b) -> [a] -> [b]
map ConstraintNameDB -> AlterTable
DropConstraint ([ConstraintNameDB] -> [AlterTable])
-> [ConstraintNameDB] -> [AlterTable]
forall a b. (a -> b) -> a -> b
$ (ConstraintNameDB -> Bool)
-> [ConstraintNameDB] -> [ConstraintNameDB]
forall a. (a -> Bool) -> [a] -> [a]
filter (Bool -> Bool
not (Bool -> Bool)
-> (ConstraintNameDB -> Bool) -> ConstraintNameDB -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ConstraintNameDB -> Bool
isManual) ([ConstraintNameDB] -> [ConstraintNameDB])
-> [ConstraintNameDB] -> [ConstraintNameDB]
forall a b. (a -> b) -> a -> b
$ ((ConstraintNameDB, [FieldNameDB]) -> ConstraintNameDB)
-> [(ConstraintNameDB, [FieldNameDB])] -> [ConstraintNameDB]
forall a b. (a -> b) -> [a] -> [b]
map (ConstraintNameDB, [FieldNameDB]) -> ConstraintNameDB
forall a b. (a, b) -> a
fst [(ConstraintNameDB, [FieldNameDB])]
old
getAltersU ((ConstraintNameDB
name, [FieldNameDB]
cols) : [(ConstraintNameDB, [FieldNameDB])]
news) [(ConstraintNameDB, [FieldNameDB])]
old =
case ConstraintNameDB
-> [(ConstraintNameDB, [FieldNameDB])] -> Maybe [FieldNameDB]
forall a b. Eq a => a -> [(a, b)] -> Maybe b
lookup ConstraintNameDB
name [(ConstraintNameDB, [FieldNameDB])]
old of
Maybe [FieldNameDB]
Nothing ->
ConstraintNameDB -> [FieldNameDB] -> AlterTable
AddUniqueConstraint ConstraintNameDB
name [FieldNameDB]
cols AlterTable -> [AlterTable] -> [AlterTable]
forall a. a -> [a] -> [a]
: [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])] -> [AlterTable]
getAltersU [(ConstraintNameDB, [FieldNameDB])]
news [(ConstraintNameDB, [FieldNameDB])]
old
Just [FieldNameDB]
ocols ->
let
old' :: [(ConstraintNameDB, [FieldNameDB])]
old' = ((ConstraintNameDB, [FieldNameDB]) -> Bool)
-> [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])]
forall a. (a -> Bool) -> [a] -> [a]
filter (\(ConstraintNameDB
x, [FieldNameDB]
_) -> ConstraintNameDB
x ConstraintNameDB -> ConstraintNameDB -> Bool
forall a. Eq a => a -> a -> Bool
/= ConstraintNameDB
name) [(ConstraintNameDB, [FieldNameDB])]
old
in
if [FieldNameDB] -> [FieldNameDB]
forall a. Ord a => [a] -> [a]
sort [FieldNameDB]
cols [FieldNameDB] -> [FieldNameDB] -> Bool
forall a. Eq a => a -> a -> Bool
== [FieldNameDB] -> [FieldNameDB]
forall a. Ord a => [a] -> [a]
sort [FieldNameDB]
ocols
then [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])] -> [AlterTable]
getAltersU [(ConstraintNameDB, [FieldNameDB])]
news [(ConstraintNameDB, [FieldNameDB])]
old'
else
ConstraintNameDB -> AlterTable
DropConstraint ConstraintNameDB
name
AlterTable -> [AlterTable] -> [AlterTable]
forall a. a -> [a] -> [a]
: ConstraintNameDB -> [FieldNameDB] -> AlterTable
AddUniqueConstraint ConstraintNameDB
name [FieldNameDB]
cols
AlterTable -> [AlterTable] -> [AlterTable]
forall a. a -> [a] -> [a]
: [(ConstraintNameDB, [FieldNameDB])]
-> [(ConstraintNameDB, [FieldNameDB])] -> [AlterTable]
getAltersU [(ConstraintNameDB, [FieldNameDB])]
news [(ConstraintNameDB, [FieldNameDB])]
old'
isManual :: ConstraintNameDB -> Bool
isManual (ConstraintNameDB Text
x) = Text
"__manual_" Text -> Text -> Bool
`T.isPrefixOf` Text
x
maximumIdentifierLength :: Int
maximumIdentifierLength :: Int
maximumIdentifierLength = Int
63
sqlTypeEq :: SqlType -> SqlType -> Bool
sqlTypeEq :: SqlType -> SqlType -> Bool
sqlTypeEq SqlType
x SqlType
y =
let
normalize :: a -> a
normalize a
"int8" = a
"bigint"
normalize a
"serial8" = a
"bigserial"
normalize a
v = a
v
in
Text -> Text
forall {a}. (Eq a, IsString a) => a -> a
normalize (Text -> Text
T.toCaseFold (SqlType -> Text
showSqlType SqlType
x))
Text -> Text -> Bool
forall a. Eq a => a -> a -> Bool
== Text -> Text
forall {a}. (Eq a, IsString a) => a -> a
normalize (Text -> Text
T.toCaseFold (SqlType -> Text
showSqlType SqlType
y))
equivalentRef :: Maybe ColumnReference -> Maybe ColumnReference -> Bool
equivalentRef :: Maybe ColumnReference -> Maybe ColumnReference -> Bool
equivalentRef Maybe ColumnReference
Nothing Maybe ColumnReference
Nothing = Bool
True
equivalentRef (Just ColumnReference
cr1) (Just ColumnReference
cr2) =
ColumnReference -> EntityNameDB
crTableName ColumnReference
cr1 EntityNameDB -> EntityNameDB -> Bool
forall a. Eq a => a -> a -> Bool
== ColumnReference -> EntityNameDB
crTableName ColumnReference
cr2
Bool -> Bool -> Bool
&& ColumnReference -> ConstraintNameDB
crConstraintName ColumnReference
cr1 ConstraintNameDB -> ConstraintNameDB -> Bool
forall a. Eq a => a -> a -> Bool
== ColumnReference -> ConstraintNameDB
crConstraintName ColumnReference
cr2
Bool -> Bool -> Bool
&& Maybe CascadeAction -> Maybe CascadeAction -> Bool
eqCascade (FieldCascade -> Maybe CascadeAction
fcOnUpdate (FieldCascade -> Maybe CascadeAction)
-> FieldCascade -> Maybe CascadeAction
forall a b. (a -> b) -> a -> b
$ ColumnReference -> FieldCascade
crFieldCascade ColumnReference
cr1) (FieldCascade -> Maybe CascadeAction
fcOnUpdate (FieldCascade -> Maybe CascadeAction)
-> FieldCascade -> Maybe CascadeAction
forall a b. (a -> b) -> a -> b
$ ColumnReference -> FieldCascade
crFieldCascade ColumnReference
cr2)
Bool -> Bool -> Bool
&& Maybe CascadeAction -> Maybe CascadeAction -> Bool
eqCascade (FieldCascade -> Maybe CascadeAction
fcOnDelete (FieldCascade -> Maybe CascadeAction)
-> FieldCascade -> Maybe CascadeAction
forall a b. (a -> b) -> a -> b
$ ColumnReference -> FieldCascade
crFieldCascade ColumnReference
cr1) (FieldCascade -> Maybe CascadeAction
fcOnDelete (FieldCascade -> Maybe CascadeAction)
-> FieldCascade -> Maybe CascadeAction
forall a b. (a -> b) -> a -> b
$ ColumnReference -> FieldCascade
crFieldCascade ColumnReference
cr2)
where
eqCascade :: Maybe CascadeAction -> Maybe CascadeAction -> Bool
eqCascade :: Maybe CascadeAction -> Maybe CascadeAction -> Bool
eqCascade Maybe CascadeAction
Nothing Maybe CascadeAction
Nothing = Bool
True
eqCascade Maybe CascadeAction
Nothing (Just CascadeAction
Restrict) = Bool
True
eqCascade (Just CascadeAction
Restrict) Maybe CascadeAction
Nothing = Bool
True
eqCascade (Just CascadeAction
cs1) (Just CascadeAction
cs2) = CascadeAction
cs1 CascadeAction -> CascadeAction -> Bool
forall a. Eq a => a -> a -> Bool
== CascadeAction
cs2
eqCascade Maybe CascadeAction
_ Maybe CascadeAction
_ = Bool
False
equivalentRef Maybe ColumnReference
_ Maybe ColumnReference
_ = Bool
False
refName :: EntityNameDB -> FieldNameDB -> ConstraintNameDB
refName :: EntityNameDB -> FieldNameDB -> ConstraintNameDB
refName (EntityNameDB Text
table) (FieldNameDB Text
column) =
let
overhead :: Int
overhead = Text -> Int
T.length (Text -> Int) -> Text -> Int
forall a b. (a -> b) -> a -> b
$ [Text] -> Text
T.concat [Text
"_", Text
"_fkey"]
(Int
fromTable, Int
fromColumn) = Int -> (Int, Int) -> (Int, Int)
shortenNames Int
overhead (Text -> Int
T.length Text
table, Text -> Int
T.length Text
column)
in
Text -> ConstraintNameDB
ConstraintNameDB (Text -> ConstraintNameDB) -> Text -> ConstraintNameDB
forall a b. (a -> b) -> a -> b
$
[Text] -> Text
T.concat [Int -> Text -> Text
T.take Int
fromTable Text
table, Text
"_", Int -> Text -> Text
T.take Int
fromColumn Text
column, Text
"_fkey"]
where
shortenNames :: Int -> (Int, Int) -> (Int, Int)
shortenNames :: Int -> (Int, Int) -> (Int, Int)
shortenNames Int
overhead (Int
x, Int
y)
| Int
x Int -> Int -> Int
forall a. Num a => a -> a -> a
+ Int
y Int -> Int -> Int
forall a. Num a => a -> a -> a
+ Int
overhead Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
<= Int
maximumIdentifierLength = (Int
x, Int
y)
| Int
x Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
> Int
y = Int -> (Int, Int) -> (Int, Int)
shortenNames Int
overhead (Int
x Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
1, Int
y)
| Bool
otherwise = Int -> (Int, Int) -> (Int, Int)
shortenNames Int
overhead (Int
x, Int
y Int -> Int -> Int
forall a. Num a => a -> a -> a
- Int
1)
postgresMkColumns
:: [EntityDef] -> EntityDef -> ([Column], [UniqueDef], [ForeignDef])
postgresMkColumns :: [EntityDef] -> EntityDef -> ([Column], [UniqueDef], [ForeignDef])
postgresMkColumns [EntityDef]
allDefs EntityDef
t =
[EntityDef]
-> EntityDef
-> BackendSpecificOverrides
-> ([Column], [UniqueDef], [ForeignDef])
mkColumns [EntityDef]
allDefs EntityDef
t (BackendSpecificOverrides -> ([Column], [UniqueDef], [ForeignDef]))
-> BackendSpecificOverrides
-> ([Column], [UniqueDef], [ForeignDef])
forall a b. (a -> b) -> a -> b
$
(EntityNameDB -> FieldNameDB -> ConstraintNameDB)
-> BackendSpecificOverrides -> BackendSpecificOverrides
setBackendSpecificForeignKeyName EntityNameDB -> FieldNameDB -> ConstraintNameDB
refName BackendSpecificOverrides
emptyBackendSpecificOverrides
safeToRemove :: EntityDef -> FieldNameDB -> Bool
safeToRemove :: EntityDef -> FieldNameDB -> Bool
safeToRemove EntityDef
def (FieldNameDB Text
colName) =
(FieldDef -> Bool) -> [FieldDef] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (FieldAttr -> [FieldAttr] -> Bool
forall a. Eq a => a -> [a] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
elem FieldAttr
FieldAttrSafeToRemove ([FieldAttr] -> Bool)
-> (FieldDef -> [FieldAttr]) -> FieldDef -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FieldDef -> [FieldAttr]
fieldAttrs) ([FieldDef] -> Bool) -> [FieldDef] -> Bool
forall a b. (a -> b) -> a -> b
$
(FieldDef -> Bool) -> [FieldDef] -> [FieldDef]
forall a. (a -> Bool) -> [a] -> [a]
filter ((FieldNameDB -> FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
== Text -> FieldNameDB
FieldNameDB Text
colName) (FieldNameDB -> Bool)
-> (FieldDef -> FieldNameDB) -> FieldDef -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FieldDef -> FieldNameDB
fieldDB) ([FieldDef] -> [FieldDef]) -> [FieldDef] -> [FieldDef]
forall a b. (a -> b) -> a -> b
$
[FieldDef]
allEntityFields
where
allEntityFields :: [FieldDef]
allEntityFields =
EntityDef -> [FieldDef]
getEntityFieldsDatabase EntityDef
def [FieldDef] -> [FieldDef] -> [FieldDef]
forall a. Semigroup a => a -> a -> a
<> case EntityDef -> EntityIdDef
getEntityId EntityDef
def of
EntityIdField FieldDef
fdef ->
[FieldDef
fdef]
EntityIdDef
_ ->
[]
udToPair :: UniqueDef -> (ConstraintNameDB, [FieldNameDB])
udToPair :: UniqueDef -> (ConstraintNameDB, [FieldNameDB])
udToPair UniqueDef
ud = (UniqueDef -> ConstraintNameDB
uniqueDBName UniqueDef
ud, ((FieldNameHS, FieldNameDB) -> FieldNameDB)
-> [(FieldNameHS, FieldNameDB)] -> [FieldNameDB]
forall a b. (a -> b) -> [a] -> [b]
map (FieldNameHS, FieldNameDB) -> FieldNameDB
forall a b. (a, b) -> b
snd ([(FieldNameHS, FieldNameDB)] -> [FieldNameDB])
-> [(FieldNameHS, FieldNameDB)] -> [FieldNameDB]
forall a b. (a -> b) -> a -> b
$ NonEmpty (FieldNameHS, FieldNameDB) -> [(FieldNameHS, FieldNameDB)]
forall a. NonEmpty a -> [a]
NEL.toList (NonEmpty (FieldNameHS, FieldNameDB)
-> [(FieldNameHS, FieldNameDB)])
-> NonEmpty (FieldNameHS, FieldNameDB)
-> [(FieldNameHS, FieldNameDB)]
forall a b. (a -> b) -> a -> b
$ UniqueDef -> NonEmpty (FieldNameHS, FieldNameDB)
uniqueFields UniqueDef
ud)
getAddReference
:: [EntityDef]
-> EntityDef
-> FieldNameDB
-> ColumnReference
-> Maybe AlterDB
getAddReference :: [EntityDef]
-> EntityDef -> FieldNameDB -> ColumnReference -> Maybe AlterDB
getAddReference [EntityDef]
allDefs EntityDef
entity FieldNameDB
cname cr :: ColumnReference
cr@ColumnReference{crTableName :: ColumnReference -> EntityNameDB
crTableName = EntityNameDB
s, crConstraintName :: ColumnReference -> ConstraintNameDB
crConstraintName = ConstraintNameDB
constraintName} = do
Bool -> Maybe ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (Bool -> Maybe ()) -> Bool -> Maybe ()
forall a b. (a -> b) -> a -> b
$ FieldNameDB -> Maybe FieldNameDB
forall a. a -> Maybe a
Just FieldNameDB
cname Maybe FieldNameDB -> Maybe FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
/= (FieldDef -> FieldNameDB) -> Maybe FieldDef -> Maybe FieldNameDB
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap FieldDef -> FieldNameDB
fieldDB (EntityDef -> Maybe FieldDef
getEntityIdField EntityDef
entity)
AlterDB -> Maybe AlterDB
forall a. a -> Maybe a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (AlterDB -> Maybe AlterDB) -> AlterDB -> Maybe AlterDB
forall a b. (a -> b) -> a -> b
$
EntityNameDB -> AlterColumn -> AlterDB
AlterColumn
EntityNameDB
table
(EntityNameDB
-> ConstraintNameDB
-> NonEmpty FieldNameDB
-> [Text]
-> FieldCascade
-> AlterColumn
AddReference EntityNameDB
s ConstraintNameDB
constraintName (FieldNameDB
cname FieldNameDB -> [FieldNameDB] -> NonEmpty FieldNameDB
forall a. a -> [a] -> NonEmpty a
NEL.:| []) [Text]
id_ (ColumnReference -> FieldCascade
crFieldCascade ColumnReference
cr))
where
table :: EntityNameDB
table = EntityDef -> EntityNameDB
getEntityDBName EntityDef
entity
id_ :: [Text]
id_ =
[Text] -> Maybe [Text] -> [Text]
forall a. a -> Maybe a -> a
fromMaybe
([Char] -> [Text]
forall a. HasCallStack => [Char] -> a
error ([Char] -> [Text]) -> [Char] -> [Text]
forall a b. (a -> b) -> a -> b
$ [Char]
"Could not find ID of entity " [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ EntityNameDB -> [Char]
forall a. Show a => a -> [Char]
show EntityNameDB
s)
(Maybe [Text] -> [Text]) -> Maybe [Text] -> [Text]
forall a b. (a -> b) -> a -> b
$ do
entDef <- (EntityDef -> Bool) -> [EntityDef] -> Maybe EntityDef
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find ((EntityNameDB -> EntityNameDB -> Bool
forall a. Eq a => a -> a -> Bool
== EntityNameDB
s) (EntityNameDB -> Bool)
-> (EntityDef -> EntityNameDB) -> EntityDef -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. EntityDef -> EntityNameDB
getEntityDBName) [EntityDef]
allDefs
return $ NEL.toList $ Util.dbIdColumnsEsc escapeF entDef
mkForeignAlt
:: EntityDef
-> ForeignDef
-> Maybe AlterDB
mkForeignAlt :: EntityDef -> ForeignDef -> Maybe AlterDB
mkForeignAlt EntityDef
entity ForeignDef
fdef = case [FieldNameDB] -> Maybe (NonEmpty FieldNameDB)
forall a. [a] -> Maybe (NonEmpty a)
NEL.nonEmpty [FieldNameDB]
childfields of
Maybe (NonEmpty FieldNameDB)
Nothing -> Maybe AlterDB
forall a. Maybe a
Nothing
Just NonEmpty FieldNameDB
childfields' -> AlterDB -> Maybe AlterDB
forall a. a -> Maybe a
Just (AlterDB -> Maybe AlterDB) -> AlterDB -> Maybe AlterDB
forall a b. (a -> b) -> a -> b
$ EntityNameDB -> AlterColumn -> AlterDB
AlterColumn EntityNameDB
tableName_ AlterColumn
addReference
where
addReference :: AlterColumn
addReference =
EntityNameDB
-> ConstraintNameDB
-> NonEmpty FieldNameDB
-> [Text]
-> FieldCascade
-> AlterColumn
AddReference
(ForeignDef -> EntityNameDB
foreignRefTableDBName ForeignDef
fdef)
ConstraintNameDB
constraintName
NonEmpty FieldNameDB
childfields'
[Text]
escapedParentFields
(ForeignDef -> FieldCascade
foreignFieldCascade ForeignDef
fdef)
where
tableName_ :: EntityNameDB
tableName_ = EntityDef -> EntityNameDB
getEntityDBName EntityDef
entity
constraintName :: ConstraintNameDB
constraintName =
ForeignDef -> ConstraintNameDB
foreignConstraintNameDBName ForeignDef
fdef
([FieldNameDB]
childfields, [FieldNameDB]
parentfields) =
[(FieldNameDB, FieldNameDB)] -> ([FieldNameDB], [FieldNameDB])
forall a b. [(a, b)] -> ([a], [b])
unzip ((((FieldNameHS, FieldNameDB), (FieldNameHS, FieldNameDB))
-> (FieldNameDB, FieldNameDB))
-> [((FieldNameHS, FieldNameDB), (FieldNameHS, FieldNameDB))]
-> [(FieldNameDB, FieldNameDB)]
forall a b. (a -> b) -> [a] -> [b]
map (\((FieldNameHS
_, FieldNameDB
b), (FieldNameHS
_, FieldNameDB
d)) -> (FieldNameDB
b, FieldNameDB
d)) (ForeignDef
-> [((FieldNameHS, FieldNameDB), (FieldNameHS, FieldNameDB))]
foreignFields ForeignDef
fdef))
escapedParentFields :: [Text]
escapedParentFields =
(FieldNameDB -> Text) -> [FieldNameDB] -> [Text]
forall a b. (a -> b) -> [a] -> [b]
map FieldNameDB -> Text
escapeF [FieldNameDB]
parentfields
escapeC :: ConstraintNameDB -> Text
escapeC :: ConstraintNameDB -> Text
escapeC = (Text -> Text) -> ConstraintNameDB -> Text
forall a str. DatabaseName a => (Text -> str) -> a -> str
forall str. (Text -> str) -> ConstraintNameDB -> str
escapeWith Text -> Text
escape
escapeE :: EntityNameDB -> Text
escapeE :: EntityNameDB -> Text
escapeE = (Text -> Text) -> EntityNameDB -> Text
forall a str. DatabaseName a => (Text -> str) -> a -> str
forall str. (Text -> str) -> EntityNameDB -> str
escapeWith Text -> Text
escape
escapeF :: FieldNameDB -> Text
escapeF :: FieldNameDB -> Text
escapeF = (Text -> Text) -> FieldNameDB -> Text
forall a str. DatabaseName a => (Text -> str) -> a -> str
forall str. (Text -> str) -> FieldNameDB -> str
escapeWith Text -> Text
escape
escape :: Text -> Text
escape :: Text -> Text
escape Text
s =
[Char] -> Text
T.pack ([Char] -> Text) -> [Char] -> Text
forall a b. (a -> b) -> a -> b
$ Char
'"' Char -> ShowS
forall a. a -> [a] -> [a]
: ShowS
go (Text -> [Char]
T.unpack Text
s) [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ [Char]
"\""
where
go :: ShowS
go [Char]
"" = [Char]
""
go (Char
'"' : [Char]
xs) = [Char]
"\"\"" [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
go [Char]
xs
go (Char
x : [Char]
xs) = Char
x Char -> ShowS
forall a. a -> [a] -> [a]
: ShowS
go [Char]
xs
showAlterDb :: AlterDB -> (Bool, Text)
showAlterDb :: AlterDB -> (Bool, Text)
showAlterDb (AddTable EntityNameDB
name EntityIdDef
entityId [Column]
nonIdCols) = (Bool
False, Text
rawText)
where
idtxt :: Text
idtxt =
case EntityIdDef
entityId of
EntityIdNaturalKey CompositeDef
pdef ->
[Text] -> Text
T.concat
[ Text
" PRIMARY KEY ("
, Text -> [Text] -> Text
T.intercalate Text
"," ([Text] -> Text) -> [Text] -> Text
forall a b. (a -> b) -> a -> b
$ (FieldDef -> Text) -> [FieldDef] -> [Text]
forall a b. (a -> b) -> [a] -> [b]
map (FieldNameDB -> Text
escapeF (FieldNameDB -> Text)
-> (FieldDef -> FieldNameDB) -> FieldDef -> Text
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FieldDef -> FieldNameDB
fieldDB) ([FieldDef] -> [Text]) -> [FieldDef] -> [Text]
forall a b. (a -> b) -> a -> b
$ NonEmpty FieldDef -> [FieldDef]
forall a. NonEmpty a -> [a]
NEL.toList (NonEmpty FieldDef -> [FieldDef])
-> NonEmpty FieldDef -> [FieldDef]
forall a b. (a -> b) -> a -> b
$ CompositeDef -> NonEmpty FieldDef
compositeFields CompositeDef
pdef
, Text
")"
]
EntityIdField FieldDef
field ->
let
defText :: Maybe Text
defText = [FieldAttr] -> Maybe Text
defaultAttribute ([FieldAttr] -> Maybe Text) -> [FieldAttr] -> Maybe Text
forall a b. (a -> b) -> a -> b
$ FieldDef -> [FieldAttr]
fieldAttrs FieldDef
field
sType :: SqlType
sType = FieldDef -> SqlType
fieldSqlType FieldDef
field
in
[Text] -> Text
T.concat
[ FieldNameDB -> Text
escapeF (FieldNameDB -> Text) -> FieldNameDB -> Text
forall a b. (a -> b) -> a -> b
$ FieldDef -> FieldNameDB
fieldDB FieldDef
field
, SqlType -> Maybe Text -> Text
maySerial SqlType
sType Maybe Text
defText
, Text
" PRIMARY KEY UNIQUE"
, Maybe Text -> Text
mayDefault Maybe Text
defText
]
rawText :: Text
rawText =
[Text] -> Text
T.concat
[ Text
"CREATe TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
name
, Text
"("
, Text
idtxt
, if [Column] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Column]
nonIdCols then Text
"" else Text
","
, Text -> [Text] -> Text
T.intercalate Text
"," ([Text] -> Text) -> [Text] -> Text
forall a b. (a -> b) -> a -> b
$ (Column -> Text) -> [Column] -> [Text]
forall a b. (a -> b) -> [a] -> [b]
map Column -> Text
showColumn [Column]
nonIdCols
, Text
")"
]
showAlterDb (AlterColumn EntityNameDB
t AlterColumn
ac) =
(AlterColumn -> Bool
isUnsafe AlterColumn
ac, EntityNameDB -> AlterColumn -> Text
showAlter EntityNameDB
t AlterColumn
ac)
where
isUnsafe :: AlterColumn -> Bool
isUnsafe (Drop Column
_ (SafeToRemove Bool
safeRemove)) = Bool -> Bool
not Bool
safeRemove
isUnsafe AlterColumn
_ = Bool
False
showAlterDb (AlterTable EntityNameDB
t AlterTable
at) = (Bool
False, EntityNameDB -> AlterTable -> Text
showAlterTable EntityNameDB
t AlterTable
at)
showAlterTable :: EntityNameDB -> AlterTable -> Text
showAlterTable :: EntityNameDB -> AlterTable -> Text
showAlterTable EntityNameDB
table (AddUniqueConstraint ConstraintNameDB
cname [FieldNameDB]
cols) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ADD CONSTRAINT "
, ConstraintNameDB -> Text
escapeC ConstraintNameDB
cname
, Text
" UNIQUE("
, Text -> [Text] -> Text
T.intercalate Text
"," ([Text] -> Text) -> [Text] -> Text
forall a b. (a -> b) -> a -> b
$ (FieldNameDB -> Text) -> [FieldNameDB] -> [Text]
forall a b. (a -> b) -> [a] -> [b]
map FieldNameDB -> Text
escapeF [FieldNameDB]
cols
, Text
")"
]
showAlterTable EntityNameDB
table (DropConstraint ConstraintNameDB
cname) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" DROP CONSTRAINT "
, ConstraintNameDB -> Text
escapeC ConstraintNameDB
cname
]
showAlter :: EntityNameDB -> AlterColumn -> Text
showAlter :: EntityNameDB -> AlterColumn -> Text
showAlter EntityNameDB
table (ChangeType Column
c SqlType
t Text
extra) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ALTER COLUMN "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
" TYPE "
, SqlType -> Text
showSqlType SqlType
t
, Text
extra
]
showAlter EntityNameDB
table (IsNull Column
c) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ALTER COLUMN "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
" DROP NOT NULL"
]
showAlter EntityNameDB
table (NotNull Column
c) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ALTER COLUMN "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
" SET NOT NULL"
]
showAlter EntityNameDB
table (AddColumn Column
col) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ADD COLUMN "
, Column -> Text
showColumn Column
col
]
showAlter EntityNameDB
table (Drop Column
c SafeToRemove
_) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" DROP COLUMN "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
]
showAlter EntityNameDB
table (Default Column
c Text
s) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ALTER COLUMN "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
" SET DEFAULT "
, Text
s
]
showAlter EntityNameDB
table (NoDefault Column
c) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ALTER COLUMN "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
" DROP DEFAULT"
]
showAlter EntityNameDB
table (UpdateNullToValue Column
c Text
s) =
[Text] -> Text
T.concat
[ Text
"UPDATE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" SET "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
"="
, Text
s
, Text
" WHERE "
, FieldNameDB -> Text
escapeF (Column -> FieldNameDB
cName Column
c)
, Text
" IS NULL"
]
showAlter EntityNameDB
table (AddReference EntityNameDB
reftable ConstraintNameDB
fkeyname NonEmpty FieldNameDB
t2 [Text]
id2 FieldCascade
cascade) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" ADD CONSTRAINT "
, ConstraintNameDB -> Text
escapeC ConstraintNameDB
fkeyname
, Text
" FOREIGN KEY("
, Text -> [Text] -> Text
T.intercalate Text
"," ([Text] -> Text) -> [Text] -> Text
forall a b. (a -> b) -> a -> b
$ (FieldNameDB -> Text) -> [FieldNameDB] -> [Text]
forall a b. (a -> b) -> [a] -> [b]
map FieldNameDB -> Text
escapeF ([FieldNameDB] -> [Text]) -> [FieldNameDB] -> [Text]
forall a b. (a -> b) -> a -> b
$ NonEmpty FieldNameDB -> [FieldNameDB]
forall a. NonEmpty a -> [a]
NEL.toList NonEmpty FieldNameDB
t2
, Text
") REFERENCES "
, EntityNameDB -> Text
escapeE EntityNameDB
reftable
, Text
"("
, Text -> [Text] -> Text
T.intercalate Text
"," [Text]
id2
, Text
")"
]
Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> FieldCascade -> Text
renderFieldCascade FieldCascade
cascade
showAlter EntityNameDB
table (DropReference ConstraintNameDB
cname) =
[Text] -> Text
T.concat
[ Text
"ALTER TABLE "
, EntityNameDB -> Text
escapeE EntityNameDB
table
, Text
" DROP CONSTRAINT "
, ConstraintNameDB -> Text
escapeC ConstraintNameDB
cname
]
showColumn :: Column -> Text
showColumn :: Column -> Text
showColumn (Column FieldNameDB
n Bool
nu SqlType
sqlType' Maybe Text
def Maybe Text
gen Maybe ConstraintNameDB
_defConstraintName Maybe Integer
_maxLen Maybe ColumnReference
_ref) =
[Text] -> Text
T.concat
[ FieldNameDB -> Text
escapeF FieldNameDB
n
, Text
" "
, SqlType -> Text
showSqlType SqlType
sqlType'
, Text
" "
, if Bool
nu then Text
"NULL" else Text
"NOT NULL"
, case Maybe Text
def of
Maybe Text
Nothing -> Text
""
Just Text
s -> Text
" DEFAULT " Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
s
, case Maybe Text
gen of
Maybe Text
Nothing -> Text
""
Just Text
s -> Text
" GENERATED ALWAYS AS (" Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
s Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
") STORED"
]
showSqlType :: SqlType -> Text
showSqlType :: SqlType -> Text
showSqlType SqlType
SqlString = Text
"VARCHAR"
showSqlType SqlType
SqlInt32 = Text
"INT4"
showSqlType SqlType
SqlInt64 = Text
"INT8"
showSqlType SqlType
SqlReal = Text
"DOUBLE PRECISION"
showSqlType (SqlNumeric Word32
s Word32
prec) = [Text] -> Text
T.concat [Text
"NUMERIC(", [Char] -> Text
T.pack (Word32 -> [Char]
forall a. Show a => a -> [Char]
show Word32
s), Text
",", [Char] -> Text
T.pack (Word32 -> [Char]
forall a. Show a => a -> [Char]
show Word32
prec), Text
")"]
showSqlType SqlType
SqlDay = Text
"DATE"
showSqlType SqlType
SqlTime = Text
"TIME"
showSqlType SqlType
SqlDayTime = Text
"TIMESTAMP WITH TIME ZONE"
showSqlType SqlType
SqlBlob = Text
"BYTEA"
showSqlType SqlType
SqlBool = Text
"BOOLEAN"
showSqlType (SqlOther (Text -> Text
T.toLower -> Text
"integer")) = Text
"INT4"
showSqlType (SqlOther Text
t) = Text
t
findAlters
:: [EntityDef]
-> EntityDef
-> Column
-> [Column]
-> ([AlterColumn], [Column])
findAlters :: [EntityDef]
-> EntityDef -> Column -> [Column] -> ([AlterColumn], [Column])
findAlters [EntityDef]
defs EntityDef
edef col :: Column
col@(Column FieldNameDB
name Bool
isNull SqlType
sqltype Maybe Text
def Maybe Text
_gen Maybe ConstraintNameDB
_defConstraintName Maybe Integer
_maxLen Maybe ColumnReference
ref) [Column]
cols =
case (Column -> Bool) -> [Column] -> Maybe Column
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
List.find (\Column
c -> Column -> FieldNameDB
cName Column
c FieldNameDB -> FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
== FieldNameDB
name) [Column]
cols of
Maybe Column
Nothing ->
([Column -> AlterColumn
AddColumn Column
col], [Column]
cols)
Just
(Column FieldNameDB
_oldName Bool
isNull' SqlType
sqltype' Maybe Text
def' Maybe Text
_gen' Maybe ConstraintNameDB
_defConstraintName' Maybe Integer
_maxLen' Maybe ColumnReference
ref') ->
let
refDrop :: Maybe ColumnReference -> [AlterColumn]
refDrop Maybe ColumnReference
Nothing = []
refDrop (Just ColumnReference{crConstraintName :: ColumnReference -> ConstraintNameDB
crConstraintName = ConstraintNameDB
cname}) =
[ConstraintNameDB -> AlterColumn
DropReference ConstraintNameDB
cname]
refAdd :: Maybe ColumnReference -> [AlterColumn]
refAdd Maybe ColumnReference
Nothing = []
refAdd (Just ColumnReference
colRef) =
case (EntityDef -> Bool) -> [EntityDef] -> Maybe EntityDef
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find ((EntityNameDB -> EntityNameDB -> Bool
forall a. Eq a => a -> a -> Bool
== ColumnReference -> EntityNameDB
crTableName ColumnReference
colRef) (EntityNameDB -> Bool)
-> (EntityDef -> EntityNameDB) -> EntityDef -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. EntityDef -> EntityNameDB
getEntityDBName) [EntityDef]
defs of
Just EntityDef
refdef
| FieldNameDB -> Maybe FieldNameDB
forall a. a -> Maybe a
Just FieldNameDB
_oldName Maybe FieldNameDB -> Maybe FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
/= (FieldDef -> FieldNameDB) -> Maybe FieldDef -> Maybe FieldNameDB
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap FieldDef -> FieldNameDB
fieldDB (EntityDef -> Maybe FieldDef
getEntityIdField EntityDef
edef) ->
[ EntityNameDB
-> ConstraintNameDB
-> NonEmpty FieldNameDB
-> [Text]
-> FieldCascade
-> AlterColumn
AddReference
(ColumnReference -> EntityNameDB
crTableName ColumnReference
colRef)
(ColumnReference -> ConstraintNameDB
crConstraintName ColumnReference
colRef)
(FieldNameDB
name FieldNameDB -> [FieldNameDB] -> NonEmpty FieldNameDB
forall a. a -> [a] -> NonEmpty a
NEL.:| [])
(NonEmpty Text -> [Text]
forall a. NonEmpty a -> [a]
NEL.toList (NonEmpty Text -> [Text]) -> NonEmpty Text -> [Text]
forall a b. (a -> b) -> a -> b
$ (FieldNameDB -> Text) -> EntityDef -> NonEmpty Text
Util.dbIdColumnsEsc FieldNameDB -> Text
escapeF EntityDef
refdef)
(ColumnReference -> FieldCascade
crFieldCascade ColumnReference
colRef)
]
Just EntityDef
_ -> []
Maybe EntityDef
Nothing ->
[Char] -> [AlterColumn]
forall a. HasCallStack => [Char] -> a
error ([Char] -> [AlterColumn]) -> [Char] -> [AlterColumn]
forall a b. (a -> b) -> a -> b
$
[Char]
"could not find the entityDef for reftable["
[Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ EntityNameDB -> [Char]
forall a. Show a => a -> [Char]
show (ColumnReference -> EntityNameDB
crTableName ColumnReference
colRef)
[Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ [Char]
"]"
modRef :: [AlterColumn]
modRef =
if Maybe ColumnReference -> Maybe ColumnReference -> Bool
equivalentRef Maybe ColumnReference
ref Maybe ColumnReference
ref'
then []
else Maybe ColumnReference -> [AlterColumn]
refDrop Maybe ColumnReference
ref' [AlterColumn] -> [AlterColumn] -> [AlterColumn]
forall a. [a] -> [a] -> [a]
++ Maybe ColumnReference -> [AlterColumn]
refAdd Maybe ColumnReference
ref
modNull :: [AlterColumn]
modNull = case (Bool
isNull, Bool
isNull') of
(Bool
True, Bool
False) -> do
Bool -> [()]
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (Bool -> [()]) -> Bool -> [()]
forall a b. (a -> b) -> a -> b
$ FieldNameDB -> Maybe FieldNameDB
forall a. a -> Maybe a
Just FieldNameDB
name Maybe FieldNameDB -> Maybe FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
/= (FieldDef -> FieldNameDB) -> Maybe FieldDef -> Maybe FieldNameDB
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap FieldDef -> FieldNameDB
fieldDB (EntityDef -> Maybe FieldDef
getEntityIdField EntityDef
edef)
AlterColumn -> [AlterColumn]
forall a. a -> [a]
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Column -> AlterColumn
IsNull Column
col)
(Bool
False, Bool
True) ->
let
up :: [AlterColumn] -> [AlterColumn]
up = case Maybe Text
def of
Maybe Text
Nothing -> [AlterColumn] -> [AlterColumn]
forall a. a -> a
id
Just Text
s -> (:) (Column -> Text -> AlterColumn
UpdateNullToValue Column
col Text
s)
in
[AlterColumn] -> [AlterColumn]
up [Column -> AlterColumn
NotNull Column
col]
(Bool, Bool)
_ -> []
modType :: [AlterColumn]
modType
| SqlType -> SqlType -> Bool
sqlTypeEq SqlType
sqltype SqlType
sqltype' = []
| SqlType
sqltype SqlType -> SqlType -> Bool
forall a. Eq a => a -> a -> Bool
== SqlType
SqlDayTime Bool -> Bool -> Bool
&& SqlType
sqltype' SqlType -> SqlType -> Bool
forall a. Eq a => a -> a -> Bool
== Text -> SqlType
SqlOther Text
"timestamp" =
[ Column -> SqlType -> Text -> AlterColumn
ChangeType Column
col SqlType
sqltype (Text -> AlterColumn) -> Text -> AlterColumn
forall a b. (a -> b) -> a -> b
$
[Text] -> Text
T.concat
[ Text
" USING "
, FieldNameDB -> Text
escapeF FieldNameDB
name
, Text
" AT TIME ZONE 'UTC'"
]
]
| Bool
otherwise = [Column -> SqlType -> Text -> AlterColumn
ChangeType Column
col SqlType
sqltype Text
""]
modDef :: [AlterColumn]
modDef =
if Maybe Text
def Maybe Text -> Maybe Text -> Bool
forall a. Eq a => a -> a -> Bool
== Maybe Text
def'
Bool -> Bool -> Bool
|| Maybe Text -> Bool
forall a. Maybe a -> Bool
isJust (Text -> Text -> Maybe Text
T.stripPrefix Text
"nextval" (Text -> Maybe Text) -> Maybe Text -> Maybe Text
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< Maybe Text
def')
then []
else case Maybe Text
def of
Maybe Text
Nothing -> [Column -> AlterColumn
NoDefault Column
col]
Just Text
s -> [Column -> Text -> AlterColumn
Default Column
col Text
s]
dropSafe :: [a]
dropSafe =
if EntityDef -> FieldNameDB -> Bool
safeToRemove EntityDef
edef FieldNameDB
name
then [Char] -> [AlterColumn] -> [a]
forall a. HasCallStack => [Char] -> a
error [Char]
"wtf" [Column -> SafeToRemove -> AlterColumn
Drop Column
col (Bool -> SafeToRemove
SafeToRemove Bool
True)]
else []
in
( [AlterColumn]
modRef [AlterColumn] -> [AlterColumn] -> [AlterColumn]
forall a. [a] -> [a] -> [a]
++ [AlterColumn]
modDef [AlterColumn] -> [AlterColumn] -> [AlterColumn]
forall a. [a] -> [a] -> [a]
++ [AlterColumn]
modNull [AlterColumn] -> [AlterColumn] -> [AlterColumn]
forall a. [a] -> [a] -> [a]
++ [AlterColumn]
modType [AlterColumn] -> [AlterColumn] -> [AlterColumn]
forall a. [a] -> [a] -> [a]
++ [AlterColumn]
forall a. [a]
dropSafe
, (Column -> Bool) -> [Column] -> [Column]
forall a. (a -> Bool) -> [a] -> [a]
filter (\Column
c -> Column -> FieldNameDB
cName Column
c FieldNameDB -> FieldNameDB -> Bool
forall a. Eq a => a -> a -> Bool
/= FieldNameDB
name) [Column]
cols
)
getColumns
:: (Text -> IO Statement)
-> EntityDef
-> [Column]
-> IO [Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
getColumns :: (Text -> IO Statement)
-> EntityDef
-> [Column]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
getColumns Text -> IO Statement
getter EntityDef
def [Column]
cols = do
let
sqlv :: Text
sqlv =
[Text] -> Text
T.concat
[ Text
"SELECT "
, Text
"column_name "
, Text
",is_nullable "
, Text
",COALESCE(domain_name, udt_name)"
, Text
",column_default "
, Text
",generation_expression "
, Text
",numeric_precision "
, Text
",numeric_scale "
, Text
",character_maximum_length "
, Text
"FROM information_schema.columns "
, Text
"WHERE table_catalog=current_database() "
, Text
"AND table_schema=current_schema() "
, Text
"AND table_name=? "
]
stmt <- Text -> IO Statement
getter Text
sqlv
let
vals =
[ Text -> PersistValue
PersistText (Text -> PersistValue) -> Text -> PersistValue
forall a b. (a -> b) -> a -> b
$ EntityNameDB -> Text
unEntityNameDB (EntityNameDB -> Text) -> EntityNameDB -> Text
forall a b. (a -> b) -> a -> b
$ EntityDef -> EntityNameDB
getEntityDBName EntityDef
def
]
columns <-
with
(stmtQuery stmt vals)
(\ConduitM () [PersistValue] IO ()
src -> ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall (m :: * -> *) r. Monad m => ConduitT () Void m r -> m r
runConduit (ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))])
-> ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall a b. (a -> b) -> a -> b
$ ConduitM () [PersistValue] IO ()
src ConduitM () [PersistValue] IO ()
-> ConduitT
[PersistValue]
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall (m :: * -> *) a b c r.
Monad m =>
ConduitT a b m () -> ConduitT b c m r -> ConduitT a c m r
.| ConduitT
[PersistValue]
(Either Text (Either Column (ConstraintNameDB, [FieldNameDB])))
IO
()
forall {b}.
ConduitT [PersistValue] (Either Text (Either Column b)) IO ()
processColumns ConduitT
[PersistValue]
(Either Text (Either Column (ConstraintNameDB, [FieldNameDB])))
IO
()
-> ConduitT
(Either Text (Either Column (ConstraintNameDB, [FieldNameDB])))
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> ConduitT
[PersistValue]
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall (m :: * -> *) a b c r.
Monad m =>
ConduitT a b m () -> ConduitT b c m r -> ConduitT a c m r
.| ConduitT
(Either Text (Either Column (ConstraintNameDB, [FieldNameDB])))
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall (m :: * -> *) a o. Monad m => ConduitT a o m [a]
CL.consume)
let
sqlc =
[Text] -> Text
T.concat
[ Text
"SELECT "
, Text
"c.constraint_name, "
, Text
"c.column_name "
, Text
"FROM information_schema.key_column_usage AS c, "
, Text
"information_schema.table_constraints AS k "
, Text
"WHERE c.table_catalog=current_database() "
, Text
"AND c.table_catalog=k.table_catalog "
, Text
"AND c.table_schema=current_schema() "
, Text
"AND c.table_schema=k.table_schema "
, Text
"AND c.table_name=? "
, Text
"AND c.table_name=k.table_name "
, Text
"AND c.constraint_name=k.constraint_name "
, Text
"AND NOT k.constraint_type IN ('PRIMARY KEY', 'FOREIGN KEY') "
, Text
"ORDER BY c.constraint_name, c.column_name"
]
stmt' <- getter sqlc
us <- with (stmtQuery stmt' vals) (\ConduitM () [PersistValue] IO ()
src -> ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall (m :: * -> *) r. Monad m => ConduitT () Void m r -> m r
runConduit (ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))])
-> ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall a b. (a -> b) -> a -> b
$ ConduitM () [PersistValue] IO ()
src ConduitM () [PersistValue] IO ()
-> ConduitT
[PersistValue]
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
-> ConduitT
()
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall (m :: * -> *) a b c r.
Monad m =>
ConduitT a b m () -> ConduitT b c m r -> ConduitT a c m r
.| ConduitT
[PersistValue]
Void
IO
[Either Text (Either Column (ConstraintNameDB, [FieldNameDB]))]
forall {c} {a} {a}.
ConduitT
[PersistValue]
c
IO
[Either a (Either a (ConstraintNameDB, [FieldNameDB]))]
helperU)
return $ columns ++ us
where
refMap :: Map Text (EntityNameDB, ConstraintNameDB)
refMap =
(ColumnReference -> (EntityNameDB, ConstraintNameDB))
-> Map Text ColumnReference
-> Map Text (EntityNameDB, ConstraintNameDB)
forall a b. (a -> b) -> Map Text a -> Map Text b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (\ColumnReference
cr -> (ColumnReference -> EntityNameDB
crTableName ColumnReference
cr, ColumnReference -> ConstraintNameDB
crConstraintName ColumnReference
cr)) (Map Text ColumnReference
-> Map Text (EntityNameDB, ConstraintNameDB))
-> Map Text ColumnReference
-> Map Text (EntityNameDB, ConstraintNameDB)
forall a b. (a -> b) -> a -> b
$
[(Text, ColumnReference)] -> Map Text ColumnReference
forall k a. Ord k => [(k, a)] -> Map k a
Map.fromList ([(Text, ColumnReference)] -> Map Text ColumnReference)
-> [(Text, ColumnReference)] -> Map Text ColumnReference
forall a b. (a -> b) -> a -> b
$
([(Text, ColumnReference)] -> Column -> [(Text, ColumnReference)])
-> [(Text, ColumnReference)]
-> [Column]
-> [(Text, ColumnReference)]
forall b a. (b -> a -> b) -> b -> [a] -> b
forall (t :: * -> *) b a.
Foldable t =>
(b -> a -> b) -> b -> t a -> b
List.foldl' [(Text, ColumnReference)] -> Column -> [(Text, ColumnReference)]
ref [] [Column]
cols
where
ref :: [(Text, ColumnReference)] -> Column -> [(Text, ColumnReference)]
ref [(Text, ColumnReference)]
rs Column
c =
[(Text, ColumnReference)]
-> (ColumnReference -> [(Text, ColumnReference)])
-> Maybe ColumnReference
-> [(Text, ColumnReference)]
forall b a. b -> (a -> b) -> Maybe a -> b
maybe [(Text, ColumnReference)]
rs (\ColumnReference
r -> (FieldNameDB -> Text
unFieldNameDB (FieldNameDB -> Text) -> FieldNameDB -> Text
forall a b. (a -> b) -> a -> b
$ Column -> FieldNameDB
cName Column
c, ColumnReference
r) (Text, ColumnReference)
-> [(Text, ColumnReference)] -> [(Text, ColumnReference)]
forall a. a -> [a] -> [a]
: [(Text, ColumnReference)]
rs) (Column -> Maybe ColumnReference
cReference Column
c)
getAll :: ConduitT [PersistValue] (Text, Text) IO ()
getAll =
([PersistValue] -> IO (Text, Text))
-> ConduitT [PersistValue] (Text, Text) IO ()
forall (m :: * -> *) a b.
Monad m =>
(a -> m b) -> ConduitT a b m ()
CL.mapM (([PersistValue] -> IO (Text, Text))
-> ConduitT [PersistValue] (Text, Text) IO ())
-> ([PersistValue] -> IO (Text, Text))
-> ConduitT [PersistValue] (Text, Text) IO ()
forall a b. (a -> b) -> a -> b
$ \[PersistValue]
x ->
(Text, Text) -> IO (Text, Text)
forall a. a -> IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure ((Text, Text) -> IO (Text, Text))
-> (Text, Text) -> IO (Text, Text)
forall a b. (a -> b) -> a -> b
$ case [PersistValue]
x of
[PersistText Text
con, PersistText Text
col] ->
(Text
con, Text
col)
[PersistByteString StrictByteString
con, PersistByteString StrictByteString
col] ->
(StrictByteString -> Text
T.decodeUtf8 StrictByteString
con, StrictByteString -> Text
T.decodeUtf8 StrictByteString
col)
[PersistValue]
o ->
[Char] -> (Text, Text)
forall a. HasCallStack => [Char] -> a
error ([Char] -> (Text, Text)) -> [Char] -> (Text, Text)
forall a b. (a -> b) -> a -> b
$ [Char]
"unexpected datatype returned for postgres o=" [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ [PersistValue] -> [Char]
forall a. Show a => a -> [Char]
show [PersistValue]
o
helperU :: ConduitT
[PersistValue]
c
IO
[Either a (Either a (ConstraintNameDB, [FieldNameDB]))]
helperU = do
rows <- ConduitT [PersistValue] (Text, Text) IO ()
getAll ConduitT [PersistValue] (Text, Text) IO ()
-> ConduitT (Text, Text) c IO [(Text, Text)]
-> ConduitT [PersistValue] c IO [(Text, Text)]
forall (m :: * -> *) a b c r.
Monad m =>
ConduitT a b m () -> ConduitT b c m r -> ConduitT a c m r
.| ConduitT (Text, Text) c IO [(Text, Text)]
forall (m :: * -> *) a o. Monad m => ConduitT a o m [a]
CL.consume
return
$ map
(Right . Right . (ConstraintNameDB . fst . head &&& map (FieldNameDB . snd)))
$ groupBy ((==) `on` fst) rows
processColumns :: ConduitT [PersistValue] (Either Text (Either Column b)) IO ()
processColumns =
([PersistValue] -> IO (Either Text (Either Column b)))
-> ConduitT [PersistValue] (Either Text (Either Column b)) IO ()
forall (m :: * -> *) a b.
Monad m =>
(a -> m b) -> ConduitT a b m ()
CL.mapM (([PersistValue] -> IO (Either Text (Either Column b)))
-> ConduitT [PersistValue] (Either Text (Either Column b)) IO ())
-> ([PersistValue] -> IO (Either Text (Either Column b)))
-> ConduitT [PersistValue] (Either Text (Either Column b)) IO ()
forall a b. (a -> b) -> a -> b
$ \x' :: [PersistValue]
x'@((PersistText Text
cname) : [PersistValue]
_) -> do
col <-
IO (Either Text Column) -> IO (Either Text Column)
forall a. IO a -> IO a
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO (Either Text Column) -> IO (Either Text Column))
-> IO (Either Text Column) -> IO (Either Text Column)
forall a b. (a -> b) -> a -> b
$ (Text -> IO Statement)
-> EntityNameDB
-> [PersistValue]
-> Maybe (EntityNameDB, ConstraintNameDB)
-> IO (Either Text Column)
getColumn Text -> IO Statement
getter (EntityDef -> EntityNameDB
getEntityDBName EntityDef
def) [PersistValue]
x' (Text
-> Map Text (EntityNameDB, ConstraintNameDB)
-> Maybe (EntityNameDB, ConstraintNameDB)
forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup Text
cname Map Text (EntityNameDB, ConstraintNameDB)
refMap)
pure $ case col of
Left Text
e -> Text -> Either Text (Either Column b)
forall a b. a -> Either a b
Left Text
e
Right Column
c -> Either Column b -> Either Text (Either Column b)
forall a b. b -> Either a b
Right (Either Column b -> Either Text (Either Column b))
-> Either Column b -> Either Text (Either Column b)
forall a b. (a -> b) -> a -> b
$ Column -> Either Column b
forall a b. a -> Either a b
Left Column
c
getColumn
:: (Text -> IO Statement)
-> EntityNameDB
-> [PersistValue]
-> Maybe (EntityNameDB, ConstraintNameDB)
-> IO (Either Text Column)
getColumn :: (Text -> IO Statement)
-> EntityNameDB
-> [PersistValue]
-> Maybe (EntityNameDB, ConstraintNameDB)
-> IO (Either Text Column)
getColumn
Text -> IO Statement
getter
EntityNameDB
tableName'
[ PersistText Text
columnName
, PersistText Text
isNullable
, PersistText Text
typeName
, PersistValue
defaultValue
, PersistValue
generationExpression
, PersistValue
numericPrecision
, PersistValue
numericScale
, PersistValue
maxlen
]
Maybe (EntityNameDB, ConstraintNameDB)
refName_ = ExceptT Text IO Column -> IO (Either Text Column)
forall e (m :: * -> *) a. ExceptT e m a -> m (Either e a)
runExceptT (ExceptT Text IO Column -> IO (Either Text Column))
-> ExceptT Text IO Column -> IO (Either Text Column)
forall a b. (a -> b) -> a -> b
$ do
defaultValue' <-
case PersistValue
defaultValue of
PersistValue
PersistNull ->
Maybe Text -> ExceptT Text IO (Maybe Text)
forall a. a -> ExceptT Text IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure Maybe Text
forall a. Maybe a
Nothing
PersistText Text
t ->
Maybe Text -> ExceptT Text IO (Maybe Text)
forall a. a -> ExceptT Text IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Maybe Text -> ExceptT Text IO (Maybe Text))
-> Maybe Text -> ExceptT Text IO (Maybe Text)
forall a b. (a -> b) -> a -> b
$ Text -> Maybe Text
forall a. a -> Maybe a
Just Text
t
PersistValue
_ ->
Text -> ExceptT Text IO (Maybe Text)
forall a. Text -> ExceptT Text IO a
forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError (Text -> ExceptT Text IO (Maybe Text))
-> Text -> ExceptT Text IO (Maybe Text)
forall a b. (a -> b) -> a -> b
$ [Char] -> Text
T.pack ([Char] -> Text) -> [Char] -> Text
forall a b. (a -> b) -> a -> b
$ [Char]
"Invalid default column: " [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ PersistValue -> [Char]
forall a. Show a => a -> [Char]
show PersistValue
defaultValue
generationExpression' <-
case generationExpression of
PersistValue
PersistNull ->
Maybe Text -> ExceptT Text IO (Maybe Text)
forall a. a -> ExceptT Text IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure Maybe Text
forall a. Maybe a
Nothing
PersistText Text
t ->
Maybe Text -> ExceptT Text IO (Maybe Text)
forall a. a -> ExceptT Text IO a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Maybe Text -> ExceptT Text IO (Maybe Text))
-> Maybe Text -> ExceptT Text IO (Maybe Text)
forall a b. (a -> b) -> a -> b
$ Text -> Maybe Text
forall a. a -> Maybe a
Just Text
t
PersistValue
_ ->
Text -> ExceptT Text IO (Maybe Text)
forall a. Text -> ExceptT Text IO a
forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError (Text -> ExceptT Text IO (Maybe Text))
-> Text -> ExceptT Text IO (Maybe Text)
forall a b. (a -> b) -> a -> b
$ [Char] -> Text
T.pack ([Char] -> Text) -> [Char] -> Text
forall a b. (a -> b) -> a -> b
$ [Char]
"Invalid generated column: " [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ PersistValue -> [Char]
forall a. Show a => a -> [Char]
show PersistValue
generationExpression
let
typeStr =
case PersistValue
maxlen of
PersistInt64 Int64
n ->
[Text] -> Text
T.concat [Text
typeName, Text
"(", [Char] -> Text
T.pack (Int64 -> [Char]
forall a. Show a => a -> [Char]
show Int64
n), Text
")"]
PersistValue
_ ->
Text
typeName
t <- getType typeStr
let
cname = Text -> FieldNameDB
FieldNameDB Text
columnName
ref <- lift $ fmap join $ traverse (getRef cname) refName_
return
Column
{ cName = cname
, cNull = isNullable == "YES"
, cSqlType = t
, cDefault = fmap stripSuffixes defaultValue'
, cGenerated = fmap stripSuffixes generationExpression'
, cDefaultConstraintName = Nothing
, cMaxLen = Nothing
, cReference = fmap (\(EntityNameDB
a, ConstraintNameDB
b, Text
c, Text
d) -> EntityNameDB -> ConstraintNameDB -> FieldCascade -> ColumnReference
ColumnReference EntityNameDB
a ConstraintNameDB
b (Text -> Text -> FieldCascade
forall {a} {a}.
(Eq a, Eq a, IsString a, IsString a, Show a, Show a) =>
a -> a -> FieldCascade
mkCascade Text
c Text
d)) ref
}
where
mkCascade :: a -> a -> FieldCascade
mkCascade a
updText a
delText =
FieldCascade
{ fcOnUpdate :: Maybe CascadeAction
fcOnUpdate = a -> Maybe CascadeAction
forall {a}. (Eq a, IsString a, Show a) => a -> Maybe CascadeAction
parseCascade a
updText
, fcOnDelete :: Maybe CascadeAction
fcOnDelete = a -> Maybe CascadeAction
forall {a}. (Eq a, IsString a, Show a) => a -> Maybe CascadeAction
parseCascade a
delText
}
parseCascade :: a -> Maybe CascadeAction
parseCascade a
txt =
case a
txt of
a
"NO ACTION" ->
Maybe CascadeAction
forall a. Maybe a
Nothing
a
"CASCADE" ->
CascadeAction -> Maybe CascadeAction
forall a. a -> Maybe a
Just CascadeAction
Cascade
a
"SET NULL" ->
CascadeAction -> Maybe CascadeAction
forall a. a -> Maybe a
Just CascadeAction
SetNull
a
"SET DEFAULT" ->
CascadeAction -> Maybe CascadeAction
forall a. a -> Maybe a
Just CascadeAction
SetDefault
a
"RESTRICT" ->
CascadeAction -> Maybe CascadeAction
forall a. a -> Maybe a
Just CascadeAction
Restrict
a
_ ->
[Char] -> Maybe CascadeAction
forall a. HasCallStack => [Char] -> a
error ([Char] -> Maybe CascadeAction) -> [Char] -> Maybe CascadeAction
forall a b. (a -> b) -> a -> b
$ [Char]
"Unexpected value in parseCascade: " [Char] -> ShowS
forall a. Semigroup a => a -> a -> a
<> a -> [Char]
forall a. Show a => a -> [Char]
show a
txt
stripSuffixes :: Text -> Text
stripSuffixes Text
t =
[Text] -> Text
loop'
[ Text
"::character varying"
, Text
"::text"
]
where
loop' :: [Text] -> Text
loop' [] = Text
t
loop' (Text
p : [Text]
ps) =
case Text -> Text -> Maybe Text
T.stripSuffix Text
p Text
t of
Maybe Text
Nothing -> [Text] -> Text
loop' [Text]
ps
Just Text
t' -> Text
t'
getRef :: FieldNameDB
-> (a, ConstraintNameDB)
-> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text))
getRef FieldNameDB
cname (a
_, ConstraintNameDB
refName') = do
let
sql :: Text
sql =
[Text] -> Text
T.concat
[ Text
"SELECT DISTINCT "
, Text
"ccu.table_name, "
, Text
"tc.constraint_name, "
, Text
"rc.update_rule, "
, Text
"rc.delete_rule "
, Text
"FROM information_schema.constraint_column_usage ccu "
, Text
"INNER JOIN information_schema.key_column_usage kcu "
, Text
" ON ccu.constraint_name = kcu.constraint_name "
, Text
"INNER JOIN information_schema.table_constraints tc "
, Text
" ON tc.constraint_name = kcu.constraint_name "
, Text
"LEFT JOIN information_schema.referential_constraints AS rc"
, Text
" ON rc.constraint_name = ccu.constraint_name "
, Text
"WHERE tc.constraint_type='FOREIGN KEY' "
, Text
"AND kcu.ordinal_position=1 "
, Text
"AND kcu.table_name=? "
, Text
"AND kcu.column_name=? "
, Text
"AND tc.constraint_name=?"
]
stmt <- Text -> IO Statement
getter Text
sql
cntrs <-
with
( stmtQuery
stmt
[ PersistText $ unEntityNameDB tableName'
, PersistText $ unFieldNameDB cname
, PersistText $ unConstraintNameDB refName'
]
)
(\ConduitM () [PersistValue] IO ()
src -> ConduitT () Void IO [[PersistValue]] -> IO [[PersistValue]]
forall (m :: * -> *) r. Monad m => ConduitT () Void m r -> m r
runConduit (ConduitT () Void IO [[PersistValue]] -> IO [[PersistValue]])
-> ConduitT () Void IO [[PersistValue]] -> IO [[PersistValue]]
forall a b. (a -> b) -> a -> b
$ ConduitM () [PersistValue] IO ()
src ConduitM () [PersistValue] IO ()
-> ConduitT [PersistValue] Void IO [[PersistValue]]
-> ConduitT () Void IO [[PersistValue]]
forall (m :: * -> *) a b c r.
Monad m =>
ConduitT a b m () -> ConduitT b c m r -> ConduitT a c m r
.| ConduitT [PersistValue] Void IO [[PersistValue]]
forall (m :: * -> *) a o. Monad m => ConduitT a o m [a]
CL.consume)
case cntrs of
[] ->
Maybe (EntityNameDB, ConstraintNameDB, Text, Text)
-> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text))
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe (EntityNameDB, ConstraintNameDB, Text, Text)
forall a. Maybe a
Nothing
[ [ PersistText Text
table
, PersistText Text
constraint
, PersistText Text
updRule
, PersistText Text
delRule
]
] ->
Maybe (EntityNameDB, ConstraintNameDB, Text, Text)
-> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text))
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Maybe (EntityNameDB, ConstraintNameDB, Text, Text)
-> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text)))
-> Maybe (EntityNameDB, ConstraintNameDB, Text, Text)
-> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text))
forall a b. (a -> b) -> a -> b
$
(EntityNameDB, ConstraintNameDB, Text, Text)
-> Maybe (EntityNameDB, ConstraintNameDB, Text, Text)
forall a. a -> Maybe a
Just (Text -> EntityNameDB
EntityNameDB Text
table, Text -> ConstraintNameDB
ConstraintNameDB Text
constraint, Text
updRule, Text
delRule)
[[PersistValue]]
xs ->
[Char] -> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text))
forall a. HasCallStack => [Char] -> a
error ([Char] -> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text)))
-> [Char]
-> IO (Maybe (EntityNameDB, ConstraintNameDB, Text, Text))
forall a b. (a -> b) -> a -> b
$
[[Char]] -> [Char]
forall a. Monoid a => [a] -> a
mconcat
[ [Char]
"Postgresql.getColumn: error fetching constraints. Expected a single result for foreign key query for table: "
, Text -> [Char]
T.unpack (EntityNameDB -> Text
unEntityNameDB EntityNameDB
tableName')
, [Char]
" and column: "
, Text -> [Char]
T.unpack (FieldNameDB -> Text
unFieldNameDB FieldNameDB
cname)
, [Char]
" but got: "
, [[PersistValue]] -> [Char]
forall a. Show a => a -> [Char]
show [[PersistValue]]
xs
]
getType :: Text -> f SqlType
getType Text
"int4" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlInt32
getType Text
"int8" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlInt64
getType Text
"varchar" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlString
getType Text
"text" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlString
getType Text
"date" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlDay
getType Text
"bool" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlBool
getType Text
"timestamptz" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlDayTime
getType Text
"float4" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlReal
getType Text
"float8" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlReal
getType Text
"bytea" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlBlob
getType Text
"time" = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure SqlType
SqlTime
getType Text
"numeric" = PersistValue -> PersistValue -> f SqlType
forall {f :: * -> *}.
MonadError Text f =>
PersistValue -> PersistValue -> f SqlType
getNumeric PersistValue
numericPrecision PersistValue
numericScale
getType Text
a = SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (SqlType -> f SqlType) -> SqlType -> f SqlType
forall a b. (a -> b) -> a -> b
$ Text -> SqlType
SqlOther Text
a
getNumeric :: PersistValue -> PersistValue -> f SqlType
getNumeric (PersistInt64 Int64
a) (PersistInt64 Int64
b) =
SqlType -> f SqlType
forall a. a -> f a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (SqlType -> f SqlType) -> SqlType -> f SqlType
forall a b. (a -> b) -> a -> b
$ Word32 -> Word32 -> SqlType
SqlNumeric (Int64 -> Word32
forall a b. (Integral a, Num b) => a -> b
fromIntegral Int64
a) (Int64 -> Word32
forall a b. (Integral a, Num b) => a -> b
fromIntegral Int64
b)
getNumeric PersistValue
PersistNull PersistValue
PersistNull =
Text -> f SqlType
forall a. Text -> f a
forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError (Text -> f SqlType) -> Text -> f SqlType
forall a b. (a -> b) -> a -> b
$
[Text] -> Text
T.concat
[ Text
"No precision and scale were specified for the column: "
, Text
columnName
, Text
" in table: "
, EntityNameDB -> Text
unEntityNameDB EntityNameDB
tableName'
, Text
". Postgres defaults to a maximum scale of 147,455 and precision of 16383,"
, Text
" which is probably not what you intended."
, Text
" Specify the values as numeric(total_digits, digits_after_decimal_place)."
]
getNumeric PersistValue
a PersistValue
b =
Text -> f SqlType
forall a. Text -> f a
forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError (Text -> f SqlType) -> Text -> f SqlType
forall a b. (a -> b) -> a -> b
$
[Text] -> Text
T.concat
[ Text
"Can not get numeric field precision for the column: "
, Text
columnName
, Text
" in table: "
, EntityNameDB -> Text
unEntityNameDB EntityNameDB
tableName'
, Text
". Expected an integer for both precision and scale, "
, Text
"got: "
, [Char] -> Text
T.pack ([Char] -> Text) -> [Char] -> Text
forall a b. (a -> b) -> a -> b
$ PersistValue -> [Char]
forall a. Show a => a -> [Char]
show PersistValue
a
, Text
" and "
, [Char] -> Text
T.pack ([Char] -> Text) -> [Char] -> Text
forall a b. (a -> b) -> a -> b
$ PersistValue -> [Char]
forall a. Show a => a -> [Char]
show PersistValue
b
, Text
", respectively."
, Text
" Specify the values as numeric(total_digits, digits_after_decimal_place)."
]
getColumn Text -> IO Statement
_ EntityNameDB
_ [PersistValue]
columnName Maybe (EntityNameDB, ConstraintNameDB)
_ =
Either Text Column -> IO (Either Text Column)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (Either Text Column -> IO (Either Text Column))
-> Either Text Column -> IO (Either Text Column)
forall a b. (a -> b) -> a -> b
$
Text -> Either Text Column
forall a b. a -> Either a b
Left (Text -> Either Text Column) -> Text -> Either Text Column
forall a b. (a -> b) -> a -> b
$
[Char] -> Text
T.pack ([Char] -> Text) -> [Char] -> Text
forall a b. (a -> b) -> a -> b
$
[Char]
"Invalid result from information_schema: " [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ [PersistValue] -> [Char]
forall a. Show a => a -> [Char]
show [PersistValue]
columnName
doesTableExist
:: (Text -> IO Statement)
-> EntityNameDB
-> IO Bool
doesTableExist :: (Text -> IO Statement) -> EntityNameDB -> IO Bool
doesTableExist Text -> IO Statement
getter (EntityNameDB Text
name) = do
stmt <- Text -> IO Statement
getter Text
sql
with (stmtQuery stmt vals) (\ConduitM () [PersistValue] IO ()
src -> ConduitT () Void IO Bool -> IO Bool
forall (m :: * -> *) r. Monad m => ConduitT () Void m r -> m r
runConduit (ConduitT () Void IO Bool -> IO Bool)
-> ConduitT () Void IO Bool -> IO Bool
forall a b. (a -> b) -> a -> b
$ ConduitM () [PersistValue] IO ()
src ConduitM () [PersistValue] IO ()
-> ConduitT [PersistValue] Void IO Bool -> ConduitT () Void IO Bool
forall (m :: * -> *) a b c r.
Monad m =>
ConduitT a b m () -> ConduitT b c m r -> ConduitT a c m r
.| ConduitT [PersistValue] Void IO Bool
forall {o}. ConduitT [PersistValue] o IO Bool
start)
where
sql :: Text
sql =
Text
"SELECT COUNT(*) FROM pg_catalog.pg_tables WHERE schemaname != 'pg_catalog'"
Text -> Text -> Text
forall a. Semigroup a => a -> a -> a
<> Text
" AND schemaname != 'information_schema' AND tablename=?"
vals :: [PersistValue]
vals = [Text -> PersistValue
PersistText Text
name]
start :: ConduitT [PersistValue] o IO Bool
start = ConduitT [PersistValue] o IO (Maybe [PersistValue])
forall (m :: * -> *) i o. Monad m => ConduitT i o m (Maybe i)
await ConduitT [PersistValue] o IO (Maybe [PersistValue])
-> (Maybe [PersistValue] -> ConduitT [PersistValue] o IO Bool)
-> ConduitT [PersistValue] o IO Bool
forall a b.
ConduitT [PersistValue] o IO a
-> (a -> ConduitT [PersistValue] o IO b)
-> ConduitT [PersistValue] o IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= ConduitT [PersistValue] o IO Bool
-> ([PersistValue] -> ConduitT [PersistValue] o IO Bool)
-> Maybe [PersistValue]
-> ConduitT [PersistValue] o IO Bool
forall b a. b -> (a -> b) -> Maybe a -> b
maybe ([Char] -> ConduitT [PersistValue] o IO Bool
forall a. HasCallStack => [Char] -> a
error [Char]
"No results when checking doesTableExist") [PersistValue] -> ConduitT [PersistValue] o IO Bool
forall {m :: * -> *} {i} {o}.
Monad m =>
[PersistValue] -> ConduitT i o m Bool
start'
start' :: [PersistValue] -> ConduitT i o m Bool
start' [PersistInt64 Int64
0] = Bool -> ConduitT i o m Bool
forall {m :: * -> *} {b} {i} {o}. Monad m => b -> ConduitT i o m b
finish Bool
False
start' [PersistInt64 Int64
1] = Bool -> ConduitT i o m Bool
forall {m :: * -> *} {b} {i} {o}. Monad m => b -> ConduitT i o m b
finish Bool
True
start' [PersistValue]
res = [Char] -> ConduitT i o m Bool
forall a. HasCallStack => [Char] -> a
error ([Char] -> ConduitT i o m Bool) -> [Char] -> ConduitT i o m Bool
forall a b. (a -> b) -> a -> b
$ [Char]
"doesTableExist returned unexpected result: " [Char] -> ShowS
forall a. [a] -> [a] -> [a]
++ [PersistValue] -> [Char]
forall a. Show a => a -> [Char]
show [PersistValue]
res
finish :: b -> ConduitT i o m b
finish b
x = ConduitT i o m (Maybe i)
forall (m :: * -> *) i o. Monad m => ConduitT i o m (Maybe i)
await ConduitT i o m (Maybe i)
-> (Maybe i -> ConduitT i o m b) -> ConduitT i o m b
forall a b.
ConduitT i o m a -> (a -> ConduitT i o m b) -> ConduitT i o m b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= ConduitT i o m b
-> (i -> ConduitT i o m b) -> Maybe i -> ConduitT i o m b
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (b -> ConduitT i o m b
forall a. a -> ConduitT i o m a
forall (m :: * -> *) a. Monad m => a -> m a
return b
x) ([Char] -> i -> ConduitT i o m b
forall a. HasCallStack => [Char] -> a
error [Char]
"Too many rows returned in doesTableExist")