mirror of
https://github.com/hasura/graphql-engine.git
synced 2024-12-21 22:41:43 +03:00
3efabe99b3
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/6036 GitOrigin-RevId: 225698f6db02b16599d9f157c9fe4c03b16fb71b
478 lines
22 KiB
Haskell
478 lines
22 KiB
Haskell
{-# LANGUAGE ApplicativeDo #-}
|
|
{-# LANGUAGE TemplateHaskell #-}
|
|
{-# OPTIONS_GHC -fno-warn-orphans #-}
|
|
|
|
module Hasura.Backends.BigQuery.Instances.Schema () where
|
|
|
|
import Data.Aeson qualified as J
|
|
import Data.Has
|
|
import Data.HashMap.Strict qualified as Map
|
|
import Data.List.NonEmpty qualified as NE
|
|
import Data.Text qualified as T
|
|
import Data.Text.Casing qualified as C
|
|
import Data.Text.Extended
|
|
import Hasura.Backends.BigQuery.Name
|
|
import Hasura.Backends.BigQuery.Parser.Scalars qualified as BQP
|
|
import Hasura.Backends.BigQuery.Types qualified as BigQuery
|
|
import Hasura.Base.Error
|
|
import Hasura.Base.ErrorMessage (toErrorMessage)
|
|
import Hasura.GraphQL.Schema.Backend
|
|
import Hasura.GraphQL.Schema.BoolExp
|
|
import Hasura.GraphQL.Schema.Build qualified as GSB
|
|
import Hasura.GraphQL.Schema.Common
|
|
import Hasura.GraphQL.Schema.NamingCase
|
|
import Hasura.GraphQL.Schema.Options qualified as Options
|
|
import Hasura.GraphQL.Schema.Parser
|
|
( FieldParser,
|
|
InputFieldsParser,
|
|
Kind (..),
|
|
MonadParse,
|
|
Parser,
|
|
)
|
|
import Hasura.GraphQL.Schema.Parser qualified as P
|
|
import Hasura.GraphQL.Schema.Select
|
|
import Hasura.GraphQL.Schema.Table
|
|
import Hasura.GraphQL.Schema.Typename
|
|
import Hasura.Name qualified as Name
|
|
import Hasura.Prelude
|
|
import Hasura.RQL.IR.BoolExp
|
|
import Hasura.RQL.IR.Select qualified as IR
|
|
import Hasura.RQL.IR.Value qualified as IR
|
|
import Hasura.RQL.Types.Backend
|
|
import Hasura.RQL.Types.Column
|
|
import Hasura.RQL.Types.Common
|
|
import Hasura.RQL.Types.ComputedField
|
|
import Hasura.RQL.Types.Function
|
|
import Hasura.RQL.Types.Source (SourceInfo)
|
|
import Hasura.RQL.Types.Table
|
|
import Hasura.SQL.Backend
|
|
import Language.GraphQL.Draft.Syntax qualified as G
|
|
|
|
----------------------------------------------------------------
|
|
-- BackendSchema instance
|
|
|
|
instance BackendSchema 'BigQuery where
|
|
-- top level parsers
|
|
buildTableQueryAndSubscriptionFields = GSB.buildTableQueryAndSubscriptionFields
|
|
buildTableRelayQueryFields _ _ _ _ _ _ = pure []
|
|
buildTableStreamingSubscriptionFields = GSB.buildTableStreamingSubscriptionFields
|
|
buildTableInsertMutationFields _ _ _ _ _ _ = pure []
|
|
buildTableUpdateMutationFields _ _ _ _ _ _ = pure []
|
|
buildTableDeleteMutationFields _ _ _ _ _ _ = pure []
|
|
buildFunctionQueryFields _ _ _ _ _ = pure []
|
|
buildFunctionRelayQueryFields _ _ _ _ _ _ = pure []
|
|
buildFunctionMutationFields _ _ _ _ _ = pure []
|
|
|
|
-- backend extensions
|
|
relayExtension = Nothing
|
|
nodesAggExtension = Just ()
|
|
streamSubscriptionExtension = Nothing
|
|
|
|
-- individual components
|
|
columnParser = bqColumnParser
|
|
enumParser = bqEnumParser
|
|
possiblyNullable = const bqPossiblyNullable
|
|
scalarSelectionArgumentsParser _ = pure Nothing
|
|
orderByOperators _sourceInfo = bqOrderByOperators
|
|
comparisonExps = const bqComparisonExps
|
|
countTypeInput = bqCountTypeInput
|
|
aggregateOrderByCountType = BigQuery.IntegerScalarType
|
|
computedField = bqComputedField
|
|
|
|
instance BackendTableSelectSchema 'BigQuery where
|
|
tableArguments = defaultTableArgs
|
|
selectTable = defaultSelectTable
|
|
selectTableAggregate = defaultSelectTableAggregate
|
|
tableSelectionSet = defaultTableSelectionSet
|
|
|
|
----------------------------------------------------------------
|
|
-- Individual components
|
|
|
|
bqColumnParser ::
|
|
MonadBuildSchema 'BigQuery r m n =>
|
|
ColumnType 'BigQuery ->
|
|
G.Nullability ->
|
|
SchemaT r m (Parser 'Both n (IR.ValueWithOrigin (ColumnValue 'BigQuery)))
|
|
bqColumnParser columnType nullability = case columnType of
|
|
ColumnScalar scalarType -> P.memoizeOn 'bqColumnParser (columnType, nullability) do
|
|
Options.SchemaOptions {soBigQueryStringNumericInput} <- asks getter
|
|
let numericInputParser :: forall a. a -> a -> a
|
|
numericInputParser builtin custom =
|
|
case soBigQueryStringNumericInput of
|
|
Options.EnableBigQueryStringNumericInput -> custom
|
|
Options.DisableBigQueryStringNumericInput -> builtin
|
|
peelWithOrigin . fmap (ColumnValue columnType) . bqPossiblyNullable nullability
|
|
<$> case scalarType of
|
|
-- bytestrings
|
|
-- we only accept string literals
|
|
BigQuery.BytesScalarType -> pure $ BigQuery.StringValue <$> stringBased _Bytes
|
|
-- text
|
|
BigQuery.StringScalarType -> pure $ BigQuery.StringValue <$> P.string
|
|
-- floating point values
|
|
|
|
BigQuery.FloatScalarType ->
|
|
pure $
|
|
BigQuery.FloatValue
|
|
<$> numericInputParser (BigQuery.doubleToFloat64 <$> P.float) BQP.bqFloat64
|
|
BigQuery.IntegerScalarType ->
|
|
pure $
|
|
BigQuery.IntegerValue
|
|
<$> numericInputParser (BigQuery.intToInt64 . fromIntegral <$> P.int) BQP.bqInt64
|
|
BigQuery.DecimalScalarType ->
|
|
pure $
|
|
BigQuery.DecimalValue
|
|
<$> numericInputParser
|
|
(BigQuery.Decimal . BigQuery.scientificToText <$> P.scientific)
|
|
BQP.bqDecimal
|
|
BigQuery.BigDecimalScalarType ->
|
|
pure $
|
|
BigQuery.BigDecimalValue
|
|
<$> numericInputParser
|
|
(BigQuery.BigDecimal . BigQuery.scientificToText <$> P.scientific)
|
|
BQP.bqBigDecimal
|
|
-- boolean type
|
|
BigQuery.BoolScalarType -> pure $ BigQuery.BoolValue <$> P.boolean
|
|
BigQuery.DateScalarType -> pure $ BigQuery.DateValue . BigQuery.Date <$> stringBased _Date
|
|
BigQuery.TimeScalarType -> pure $ BigQuery.TimeValue . BigQuery.Time <$> stringBased _Time
|
|
BigQuery.DatetimeScalarType -> pure $ BigQuery.DatetimeValue . BigQuery.Datetime <$> stringBased _Datetime
|
|
BigQuery.GeographyScalarType ->
|
|
pure $ BigQuery.GeographyValue . BigQuery.Geography <$> throughJSON _Geography
|
|
BigQuery.TimestampScalarType ->
|
|
pure $ BigQuery.TimestampValue . BigQuery.Timestamp <$> stringBased _Timestamp
|
|
ty -> throwError $ internalError $ T.pack $ "Type currently unsupported for BigQuery: " ++ show ty
|
|
ColumnEnumReference (EnumReference tableName enumValues customTableName) ->
|
|
case nonEmpty (Map.toList enumValues) of
|
|
Just enumValuesList ->
|
|
peelWithOrigin . fmap (ColumnValue columnType) . bqPossiblyNullable nullability
|
|
<$> bqEnumParser tableName enumValuesList customTableName nullability
|
|
Nothing -> throw400 ValidationFailed "empty enum values"
|
|
where
|
|
throughJSON scalarName =
|
|
let schemaType = P.TNamed P.NonNullable $ P.Definition scalarName Nothing Nothing [] P.TIScalar
|
|
in P.Parser
|
|
{ pType = schemaType,
|
|
pParser =
|
|
P.valueToJSON (P.toGraphQLType schemaType)
|
|
>=> either (P.parseErrorWith P.ParseFailed . toErrorMessage . qeError) pure . runAesonParser J.parseJSON
|
|
}
|
|
stringBased :: MonadParse m => G.Name -> Parser 'Both m Text
|
|
stringBased scalarName =
|
|
P.string {P.pType = P.TNamed P.NonNullable $ P.Definition scalarName Nothing Nothing [] P.TIScalar}
|
|
|
|
bqEnumParser ::
|
|
MonadBuildSchema 'BigQuery r m n =>
|
|
TableName 'BigQuery ->
|
|
NonEmpty (EnumValue, EnumValueInfo) ->
|
|
Maybe G.Name ->
|
|
G.Nullability ->
|
|
SchemaT r m (Parser 'Both n (ScalarValue 'BigQuery))
|
|
bqEnumParser tableName enumValues customTableName nullability = do
|
|
enumName <- mkEnumTypeName @'BigQuery tableName customTableName
|
|
pure $ bqPossiblyNullable nullability $ P.enum enumName Nothing (mkEnumValue <$> enumValues)
|
|
where
|
|
mkEnumValue :: (EnumValue, EnumValueInfo) -> (P.Definition P.EnumValueInfo, ScalarValue 'BigQuery)
|
|
mkEnumValue (EnumValue value, EnumValueInfo description) =
|
|
( P.Definition value (G.Description <$> description) Nothing [] P.EnumValueInfo,
|
|
BigQuery.StringValue $ G.unName value
|
|
)
|
|
|
|
bqPossiblyNullable ::
|
|
MonadParse m =>
|
|
G.Nullability ->
|
|
Parser 'Both m (ScalarValue 'BigQuery) ->
|
|
Parser 'Both m (ScalarValue 'BigQuery)
|
|
bqPossiblyNullable (G.Nullability isNullable)
|
|
| isNullable = fmap (fromMaybe BigQuery.NullValue) . P.nullable
|
|
| otherwise = id
|
|
|
|
bqOrderByOperators ::
|
|
NamingCase ->
|
|
( G.Name,
|
|
NonEmpty
|
|
( P.Definition P.EnumValueInfo,
|
|
(BasicOrderType 'BigQuery, NullsOrderType 'BigQuery)
|
|
)
|
|
)
|
|
bqOrderByOperators _tCase =
|
|
(Name._order_by,) $
|
|
-- NOTE: NamingCase is not being used here as we don't support naming conventions for this DB
|
|
NE.fromList
|
|
[ ( define Name._asc "in ascending order, nulls first",
|
|
(BigQuery.AscOrder, BigQuery.NullsFirst)
|
|
),
|
|
( define Name._asc_nulls_first "in ascending order, nulls first",
|
|
(BigQuery.AscOrder, BigQuery.NullsFirst)
|
|
),
|
|
( define Name._asc_nulls_last "in ascending order, nulls last",
|
|
(BigQuery.AscOrder, BigQuery.NullsLast)
|
|
),
|
|
( define Name._desc "in descending order, nulls last",
|
|
(BigQuery.DescOrder, BigQuery.NullsLast)
|
|
),
|
|
( define Name._desc_nulls_first "in descending order, nulls first",
|
|
(BigQuery.DescOrder, BigQuery.NullsFirst)
|
|
),
|
|
( define Name._desc_nulls_last "in descending order, nulls last",
|
|
(BigQuery.DescOrder, BigQuery.NullsLast)
|
|
)
|
|
]
|
|
where
|
|
define name desc = P.Definition name (Just desc) Nothing [] P.EnumValueInfo
|
|
|
|
bqComparisonExps ::
|
|
forall m n r.
|
|
(MonadBuildSchema 'BigQuery r m n) =>
|
|
ColumnType 'BigQuery ->
|
|
SchemaT r m (Parser 'Input n [ComparisonExp 'BigQuery])
|
|
bqComparisonExps = P.memoize 'comparisonExps $ \columnType -> do
|
|
collapseIfNull <- retrieve Options.soDangerousBooleanCollapse
|
|
|
|
dWithinGeogOpParser <- geographyWithinDistanceInput
|
|
tCase <- asks getter
|
|
-- see Note [Columns in comparison expression are never nullable]
|
|
typedParser <- columnParser columnType (G.Nullability False)
|
|
-- textParser <- columnParser (ColumnScalar @'BigQuery BigQuery.StringScalarType) (G.Nullability False)
|
|
let name = P.getName typedParser <> Name.__BigQuery_comparison_exp
|
|
desc =
|
|
G.Description $
|
|
"Boolean expression to compare columns of type "
|
|
<> P.getName typedParser
|
|
<<> ". All fields are combined with logical 'AND'."
|
|
-- textListParser = fmap openValueOrigin <$> P.list textParser
|
|
columnListParser = fmap IR.openValueOrigin <$> P.list typedParser
|
|
mkListLiteral :: [ColumnValue 'BigQuery] -> IR.UnpreparedValue 'BigQuery
|
|
mkListLiteral =
|
|
IR.UVLiteral . BigQuery.ListExpression . fmap (BigQuery.ValueExpression . cvValue)
|
|
pure $
|
|
P.object name (Just desc) $
|
|
fmap catMaybes $
|
|
sequenceA $
|
|
concat
|
|
[ -- from https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types:
|
|
-- GEOGRAPHY comparisons are not supported. To compare GEOGRAPHY values, use ST_Equals.
|
|
guard (isScalarColumnWhere (/= BigQuery.GeographyScalarType) columnType)
|
|
*> equalityOperators
|
|
tCase
|
|
collapseIfNull
|
|
(IR.mkParameter <$> typedParser)
|
|
(mkListLiteral <$> columnListParser),
|
|
guard (isScalarColumnWhere (/= BigQuery.GeographyScalarType) columnType)
|
|
*> comparisonOperators
|
|
tCase
|
|
collapseIfNull
|
|
(IR.mkParameter <$> typedParser),
|
|
-- Ops for String type
|
|
guard (isScalarColumnWhere (== BigQuery.StringScalarType) columnType)
|
|
*> [ mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedName Name.__like)
|
|
(Just "does the column match the given pattern")
|
|
(ALIKE . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedName Name.__nlike)
|
|
(Just "does the column NOT match the given pattern")
|
|
(ANLIKE . IR.mkParameter <$> typedParser)
|
|
],
|
|
-- Ops for Bytes type
|
|
guard (isScalarColumnWhere (== BigQuery.BytesScalarType) columnType)
|
|
*> [ mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedName Name.__like)
|
|
(Just "does the column match the given pattern")
|
|
(ALIKE . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedName Name.__nlike)
|
|
(Just "does the column NOT match the given pattern")
|
|
(ANLIKE . IR.mkParameter <$> typedParser)
|
|
],
|
|
-- Ops for Geography type
|
|
guard (isScalarColumnWhere (== BigQuery.GeographyScalarType) columnType)
|
|
*> [ mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedTuple $$(G.litGQLIdentifier ["_st", "contains"]))
|
|
(Just "does the column contain the given geography value")
|
|
(ABackendSpecific . BigQuery.ASTContains . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedTuple $$(G.litGQLIdentifier ["_st", "equals"]))
|
|
(Just "is the column equal to given geography value (directionality is ignored)")
|
|
(ABackendSpecific . BigQuery.ASTEquals . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedTuple $$(G.litGQLIdentifier ["_st", "touches"]))
|
|
(Just "does the column have at least one point in common with the given geography value")
|
|
(ABackendSpecific . BigQuery.ASTTouches . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedTuple $$(G.litGQLIdentifier ["_st", "within"]))
|
|
(Just "is the column contained in the given geography value")
|
|
(ABackendSpecific . BigQuery.ASTWithin . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedTuple $$(G.litGQLIdentifier ["_st", "intersects"]))
|
|
(Just "does the column spatially intersect the given geography value")
|
|
(ABackendSpecific . BigQuery.ASTIntersects . IR.mkParameter <$> typedParser),
|
|
mkBoolOperator
|
|
tCase
|
|
collapseIfNull
|
|
(C.fromAutogeneratedTuple $$(G.litGQLIdentifier ["_st", "d", "within"]))
|
|
(Just "is the column within a given distance from the given geometry value")
|
|
(ABackendSpecific . BigQuery.ASTDWithin <$> dWithinGeogOpParser)
|
|
]
|
|
]
|
|
|
|
bqCountTypeInput ::
|
|
MonadParse n =>
|
|
Maybe (Parser 'Both n (Column 'BigQuery)) ->
|
|
InputFieldsParser n (IR.CountDistinct -> CountType 'BigQuery)
|
|
bqCountTypeInput = \case
|
|
Just columnEnum -> do
|
|
columns <- P.fieldOptional Name._columns Nothing $ P.list columnEnum
|
|
pure $ flip mkCountType columns
|
|
Nothing -> pure $ flip mkCountType Nothing
|
|
where
|
|
mkCountType :: IR.CountDistinct -> Maybe [Column 'BigQuery] -> CountType 'BigQuery
|
|
mkCountType _ Nothing = BigQuery.StarCountable
|
|
mkCountType IR.SelectCountDistinct (Just cols) =
|
|
maybe BigQuery.StarCountable BigQuery.DistinctCountable $ nonEmpty cols
|
|
mkCountType IR.SelectCountNonDistinct (Just cols) =
|
|
maybe BigQuery.StarCountable BigQuery.NonNullFieldCountable $ nonEmpty cols
|
|
|
|
geographyWithinDistanceInput ::
|
|
forall m n r.
|
|
MonadBuildSchema 'BigQuery r m n =>
|
|
SchemaT r m (Parser 'Input n (DWithinGeogOp (IR.UnpreparedValue 'BigQuery)))
|
|
geographyWithinDistanceInput = do
|
|
geographyParser <- columnParser (ColumnScalar BigQuery.GeographyScalarType) (G.Nullability False)
|
|
-- practically BigQuery (as of 2021-11-19) doesn't support TRUE as use_spheroid parameter for ST_DWITHIN
|
|
booleanParser <- columnParser (ColumnScalar BigQuery.BoolScalarType) (G.Nullability True)
|
|
floatParser <- columnParser (ColumnScalar BigQuery.FloatScalarType) (G.Nullability False)
|
|
pure $
|
|
P.object Name._st_dwithin_input Nothing $
|
|
DWithinGeogOp <$> (IR.mkParameter <$> P.field Name._distance Nothing floatParser)
|
|
<*> (IR.mkParameter <$> P.field Name._from Nothing geographyParser)
|
|
<*> (IR.mkParameter <$> P.fieldWithDefault Name._use_spheroid Nothing (G.VBoolean False) booleanParser)
|
|
|
|
-- | Computed field parser.
|
|
bqComputedField ::
|
|
forall r m n.
|
|
MonadBuildSchema 'BigQuery r m n =>
|
|
SourceInfo 'BigQuery ->
|
|
ComputedFieldInfo 'BigQuery ->
|
|
TableName 'BigQuery ->
|
|
TableInfo 'BigQuery ->
|
|
SchemaT r m (Maybe (FieldParser n (AnnotatedField 'BigQuery)))
|
|
bqComputedField sourceName ComputedFieldInfo {..} tableName tableInfo = runMaybeT do
|
|
stringifyNumbers <- retrieve Options.soStringifyNumbers
|
|
roleName <- retrieve scRole
|
|
fieldName <- lift $ textToName $ computedFieldNameToText _cfiName
|
|
functionArgsParser <- lift $ computedFieldFunctionArgs _cfiFunction
|
|
case _cfiReturnType of
|
|
BigQuery.ReturnExistingTable returnTable -> do
|
|
returnTableInfo <- lift $ askTableInfo sourceName returnTable
|
|
returnTablePermissions <- hoistMaybe $ tableSelectPermissions roleName returnTableInfo
|
|
selectionSetParser <- MaybeT (fmap (P.multiple . P.nonNullableParser) <$> tableSelectionSet sourceName returnTableInfo)
|
|
selectArgsParser <- lift $ tableArguments sourceName returnTableInfo
|
|
let fieldArgsParser = liftA2 (,) functionArgsParser selectArgsParser
|
|
pure $
|
|
P.subselection fieldName fieldDescription fieldArgsParser selectionSetParser
|
|
<&> \((functionArgs', args), fields) ->
|
|
IR.AFComputedField _cfiXComputedFieldInfo _cfiName $
|
|
IR.CFSTable JASMultipleRows $
|
|
IR.AnnSelectG
|
|
{ IR._asnFields = fields,
|
|
IR._asnFrom = IR.FromFunction (_cffName _cfiFunction) functionArgs' Nothing,
|
|
IR._asnPerm = tablePermissionsInfo returnTablePermissions,
|
|
IR._asnArgs = args,
|
|
IR._asnStrfyNum = stringifyNumbers,
|
|
IR._asnNamingConvention = Nothing
|
|
}
|
|
BigQuery.ReturnTableSchema returnFields -> do
|
|
-- Check if the computed field is available in the select permission
|
|
selectPermissions <- hoistMaybe $ tableSelectPermissions roleName tableInfo
|
|
guard $ Map.member _cfiName $ spiComputedFields selectPermissions
|
|
objectTypeName <-
|
|
mkTypename =<< do
|
|
computedFieldGQLName <- textToName $ computedFieldNameToText _cfiName
|
|
pure $ computedFieldGQLName <> Name.__ <> Name.__fields
|
|
selectionSetParser <- do
|
|
fieldParsers <- lift $ for returnFields selectArbitraryField
|
|
let description = G.Description $ "column fields returning by " <>> _cfiName
|
|
pure $
|
|
P.selectionSetObject objectTypeName (Just description) fieldParsers []
|
|
<&> parsedSelectionsToFields IR.AFExpression
|
|
pure $
|
|
P.subselection fieldName fieldDescription functionArgsParser selectionSetParser
|
|
<&> \(functionArgs', fields) ->
|
|
IR.AFComputedField _cfiXComputedFieldInfo _cfiName $
|
|
IR.CFSTable JASMultipleRows $
|
|
IR.AnnSelectG
|
|
{ IR._asnFields = fields,
|
|
IR._asnFrom = IR.FromFunction (_cffName _cfiFunction) functionArgs' Nothing,
|
|
IR._asnPerm = IR.noTablePermissions,
|
|
IR._asnArgs = IR.noSelectArgs,
|
|
IR._asnStrfyNum = stringifyNumbers,
|
|
IR._asnNamingConvention = Nothing
|
|
}
|
|
where
|
|
fieldDescription :: Maybe G.Description
|
|
fieldDescription = G.Description <$> _cfiDescription
|
|
|
|
selectArbitraryField ::
|
|
(BigQuery.ColumnName, G.Name, BigQuery.ScalarType) ->
|
|
SchemaT r m (FieldParser n (AnnotatedField 'BigQuery))
|
|
selectArbitraryField (columnName, graphQLName, columnType) = do
|
|
field <- columnParser @'BigQuery (ColumnScalar columnType) (G.Nullability True)
|
|
pure $
|
|
P.selection_ graphQLName Nothing field
|
|
$> IR.mkAnnColumnField columnName (ColumnScalar columnType) Nothing Nothing
|
|
|
|
computedFieldFunctionArgs ::
|
|
ComputedFieldFunction 'BigQuery ->
|
|
SchemaT r m (InputFieldsParser n (FunctionArgsExp 'BigQuery (IR.UnpreparedValue 'BigQuery)))
|
|
computedFieldFunctionArgs ComputedFieldFunction {..} = do
|
|
objectName <-
|
|
mkTypename =<< do
|
|
computedFieldGQLName <- textToName $ computedFieldNameToText _cfiName
|
|
tableGQLName <- getTableGQLName @'BigQuery tableInfo
|
|
pure $ computedFieldGQLName <> Name.__ <> tableGQLName <> Name.__args
|
|
|
|
let userInputArgs = filter (not . flip Map.member _cffComputedFieldImplicitArgs . BigQuery._faName) (toList _cffInputArgs)
|
|
|
|
argumentParsers <- sequenceA <$> forM userInputArgs parseArgument
|
|
|
|
let userArgsParser = P.object objectName Nothing argumentParsers
|
|
|
|
let fieldDesc =
|
|
G.Description $
|
|
"input parameters for computed field "
|
|
<> _cfiName <<> " defined on table " <>> tableName
|
|
|
|
argsField
|
|
| null userInputArgs = P.fieldOptional Name._args (Just fieldDesc) userArgsParser
|
|
| otherwise = Just <$> P.field Name._args (Just fieldDesc) userArgsParser
|
|
|
|
pure $
|
|
argsField `P.bindFields` \maybeInputArguments -> do
|
|
let tableColumnInputs = Map.map BigQuery.AETableColumn $ Map.mapKeys getFuncArgNameTxt _cffComputedFieldImplicitArgs
|
|
pure $ FunctionArgsExp mempty $ maybe mempty Map.fromList maybeInputArguments <> tableColumnInputs
|
|
|
|
parseArgument :: BigQuery.FunctionArgument -> SchemaT r m (InputFieldsParser n (Text, BigQuery.ArgumentExp (IR.UnpreparedValue 'BigQuery)))
|
|
parseArgument arg = do
|
|
typedParser <- columnParser (ColumnScalar $ BigQuery._faType arg) (G.Nullability False)
|
|
let argumentName = getFuncArgNameTxt $ BigQuery._faName arg
|
|
fieldName <- textToName argumentName
|
|
let argParser = P.field fieldName Nothing typedParser
|
|
pure $ argParser `P.bindFields` \inputValue -> pure ((argumentName, BigQuery.AEInput $ IR.mkParameter inputValue))
|