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50 lines
2.0 KiB
Haskell
50 lines
2.0 KiB
Haskell
module Hasura.Server.Migrate.Internal
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( runTx
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, getCatalogVersion
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, from3To4
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)
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where
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import Hasura.Backends.Postgres.Connection
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import Hasura.Prelude
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import Hasura.RQL.Types.Error
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import Hasura.RQL.Types.EventTrigger
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import qualified Data.Aeson as A
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import qualified Database.PG.Query as Q
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runTx :: (MonadTx m) => Q.Query -> m ()
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runTx = liftTx . Q.multiQE defaultTxErrorHandler
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-- | The old 0.8 catalog version is non-integral, so we store it in the database as a
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-- string.
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getCatalogVersion :: Q.TxE QErr Text
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getCatalogVersion = runIdentity . Q.getRow <$> Q.withQE defaultTxErrorHandler
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[Q.sql| SELECT version FROM hdb_catalog.hdb_version |] () False
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from3To4 :: MonadTx m => m ()
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from3To4 = liftTx $ Q.catchE defaultTxErrorHandler $ do
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Q.unitQ [Q.sql|
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ALTER TABLE hdb_catalog.event_triggers
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ADD COLUMN configuration JSON |] () False
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eventTriggers <- map uncurryEventTrigger <$> Q.listQ [Q.sql|
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SELECT e.name, e.definition::json, e.webhook, e.num_retries, e.retry_interval, e.headers::json
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FROM hdb_catalog.event_triggers e |] () False
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forM_ eventTriggers updateEventTrigger3To4
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Q.unitQ [Q.sql|
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ALTER TABLE hdb_catalog.event_triggers
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DROP COLUMN definition,
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DROP COLUMN query,
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DROP COLUMN webhook,
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DROP COLUMN num_retries,
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DROP COLUMN retry_interval,
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DROP COLUMN headers |] () False
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where
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uncurryEventTrigger (trn, Q.AltJ tDef, w, nr, rint, Q.AltJ headers) =
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EventTriggerConf trn tDef (Just w) Nothing (RetryConf nr rint Nothing) headers
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updateEventTrigger3To4 etc@(EventTriggerConf name _ _ _ _ _) = Q.unitQ [Q.sql|
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UPDATE hdb_catalog.event_triggers
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SET
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configuration = $1
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WHERE name = $2
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|] (Q.AltJ $ A.toJSON etc, name) True
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