Files
registry/src/Migration.hs
2022-06-06 17:02:23 -06:00

47 lines
2.3 KiB
Haskell

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