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47 lines
2.3 KiB
Haskell
47 lines
2.3 KiB
Haskell
module Migration where
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import Database.Persist.Migration ( Column(Column)
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, ColumnProp(NotNull)
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, MigrateSql(MigrateSql)
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, Migration
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, MigrationPath((:=))
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, Operation(AddColumn, DropColumn, RawOperation)
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, PersistValue(PersistText)
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, SqlType(SqlString)
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, rawSql
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)
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import Database.Persist.Sql ( Single(..) )
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import Startlude ( ($)
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, (<<$>>)
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, Maybe(Just)
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)
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manualMigration :: Migration
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manualMigration = [(0, 1) := migration_0_2_0, (1, 2) := migration_0_2_1]
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migration_0_2_1 :: [Operation]
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migration_0_2_1 = [DropColumn ("category", "parent")]
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migration_0_2_0 :: [Operation]
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migration_0_2_0 =
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[ AddColumn "version" (Column "title" SqlString [NotNull]) (Just $ PersistText "")
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, AddColumn "version" (Column "desc_short" SqlString [NotNull]) (Just $ PersistText "")
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, AddColumn "version" (Column "desc_long" SqlString [NotNull]) (Just $ PersistText "")
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, AddColumn "version" (Column "icon_type" SqlString [NotNull]) (Just $ PersistText "")
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, populateMetadata
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, DropColumn ("pkg_record", "title")
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, DropColumn ("pkg_record", "desc_short")
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, DropColumn ("pkg_record", "desc_long")
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, DropColumn ("pkg_record", "icon_type")
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]
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populateMetadata :: Operation
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populateMetadata =
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RawOperation "Populating Metadata"
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$ migrateMetadata
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<<$>> rawSql "SELECT pkg_id, title, desc_short, desc_long, icon_type FROM pkg_record" []
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where
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migrateMetadata (Single id', Single title', Single descShort', Single descLong', Single iconType') = MigrateSql
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"UPDATE version SET title = ?, desc_short = ?, desc_long = ?, icon_type = ? where pkg_id = ?"
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[PersistText title', PersistText descShort', PersistText descLong', PersistText iconType', PersistText id']
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