Document DBString
commit0fc16a4695c136cead236fe480b57eb008341249
authorOllie Charles <ollie@ocharles.org.uk>
dateWed 24 Mar 2021, 13:11 (6 years ago)
parentd2a6262
src/Rel8/Type/String.hs+2
@@ -25,6 +25,8 @@ import Data.Text ( Text )
2525import qualified Data.Text.Lazy as Lazy ( Text )
2626
2727
28+-- | The class of data types that support the @string_agg()@ aggregation
29+-- function.
2830type DBString :: Type -> Constraint
2931class DBType a => DBString a
3032instance DBString Text