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PR-URL: https://github.com/hasura/graphql-engine-mono/pull/5434 GitOrigin-RevId: 839a45a1469272def9d28c0f3e7454a5bf506f35
32 lines
834 B
Haskell
32 lines
834 B
Haskell
-- | Postgres Translate Delete
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--
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-- Tranlates an IR delete term to a Postgres SQL DELETE statement.
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--
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-- See 'Hasura.Backends.Postgres.Execute.Mutation.execDeleteQuery'.
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module Hasura.Backends.Postgres.Translate.Delete
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( mkDelete,
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)
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where
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import Hasura.Backends.Postgres.SQL.DML qualified as S
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import Hasura.Backends.Postgres.Translate.BoolExp
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import Hasura.Prelude
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import Hasura.RQL.IR.BoolExp
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import Hasura.RQL.IR.Delete
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import Hasura.RQL.Types.Backend
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import Hasura.SQL.Backend
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mkDelete ::
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Backend ('Postgres pgKind) =>
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AnnDel ('Postgres pgKind) ->
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S.SQLDelete
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mkDelete (AnnDel tn (fltr, wc) _ _ _) =
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S.SQLDelete tn Nothing tableFltr $ Just S.returningStar
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where
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tableFltr =
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Just
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. S.WhereFrag
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. S.simplifyBoolExp
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. toSQLBoolExp (S.QualTable tn)
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$ andAnnBoolExps fltr wc
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