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migrations

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This commit is contained in:
Keagan McClelland
2022-05-24 12:21:06 -06:00
parent fe423f1ed2
commit 1cd0b78fa6
4 changed files with 51 additions and 1 deletions
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src/Migration.hs Normal file
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module Migration where
import Database.Persist.Migration
import Database.Persist.Sql ( Single(..) )
import Startlude ( ($)
, (<<$>>)
, Maybe(Just)
)
manualMigration :: Migration
manualMigration = [(0, 1) := migration_0_2_0]
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"
$ migrateTitles
<<$>> rawSql "SELECT pkg_id, title, desc_short, desc_long, icon_type FROM pkg_record" []
where
migrateTitles (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']