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PR-URL: https://github.com/hasura/graphql-engine-mono/pull/8876 GitOrigin-RevId: abfc18eeef96a1f3593bfe823adab4d161161333
35 lines
1.4 KiB
Haskell
35 lines
1.4 KiB
Haskell
-- | This module defines the translation function for delete mutations.
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module Hasura.Backends.MSSQL.FromIr.Delete (fromDelete) where
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import Hasura.Backends.MSSQL.FromIr (FromIr, NameTemplate (..), generateAlias)
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import Hasura.Backends.MSSQL.FromIr.Constants (tempTableNameDeleted)
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import Hasura.Backends.MSSQL.FromIr.Expression (fromGBoolExp)
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import Hasura.Backends.MSSQL.Instances.Types ()
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import Hasura.Backends.MSSQL.Types.Internal as TSQL
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import Hasura.Prelude
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import Hasura.RQL.IR qualified as IR
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import Hasura.RQL.Types.BackendType
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import Hasura.RQL.Types.Column qualified as IR
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fromDelete :: IR.AnnDel 'MSSQL -> FromIr Delete
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fromDelete (IR.AnnDel table (permFilter, whereClause) _ allColumns _) = do
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tableAlias <- generateAlias (TableTemplate (tableName table))
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runReaderT
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( do
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permissionsFilter <- fromGBoolExp permFilter
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whereExpression <- fromGBoolExp whereClause
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let columnNames = map IR.ciColumn allColumns
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pure
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Delete
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{ deleteTable =
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Aliased
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{ aliasedAlias = tableAlias,
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aliasedThing = table
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},
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deleteOutput = Output Deleted (map OutputColumn columnNames),
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deleteTempTable = TempTable tempTableNameDeleted columnNames,
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deleteWhere = Where [permissionsFilter, whereExpression]
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}
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)
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(EntityAlias tableAlias)
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