| Copyright | (c) Soostone Inc 2020 |
|---|---|
| License | AllRightsReserved |
| Stability | experimental |
| Portability | POSIX |
| Safe Haskell | None |
| Language | Haskell2010 |
Napkin.Run.PGCommon
Contents
Description
Synopsis
- data Named a = Named {
- _namedName :: Text
- _namedItem :: a
- namedMap :: [Named a] -> Map Text a
- class HasPostgresConn a where
- getPostgresConn :: BackendConn a -> Pool Connection
- query :: (Katip m, RenderSql q b, HasPostgresConn b) => b -> BackendConn b -> q -> m [Map Text Value]
- execute :: (Katip m, RenderSql a1 b, HasPostgresConn a2) => b -> BackendConn a2 -> a1 -> m Int64
- checkTableExists :: (Katip f, HasPostgresConn bk, RenderSql Query bk) => bk -> BackendConn bk -> Ref Table -> f Bool
- qry_checkTable :: String -> String -> Q ()
- relationSchema :: (Katip f, HasPostgresConn bk, Command DropView t0 bk, RenderSql DropView bk, Command CreateViewAs t1 bk, CommandDescr DropView bk, MonadQueryStats f) => bk -> BackendConn bk -> Relation -> f (Fields Field)
- refFqTable :: Ref a -> FQTable
Documentation
Constructors
| Named | |
Fields
| |
class HasPostgresConn a where #
Methods
getPostgresConn :: BackendConn a -> Pool Connection #
Instances
| HasPostgresConn Redshift # | |
Defined in Napkin.Run.Redshift Methods getPostgresConn :: BackendConn Redshift -> Pool Connection # | |
| HasPostgresConn Postgres # | |
Defined in Napkin.Run.Postgres Methods getPostgresConn :: BackendConn Postgres -> Pool Connection # | |
query :: (Katip m, RenderSql q b, HasPostgresConn b) => b -> BackendConn b -> q -> m [Map Text Value] #
execute :: (Katip m, RenderSql a1 b, HasPostgresConn a2) => b -> BackendConn a2 -> a1 -> m Int64 #
Arguments
| :: (Katip f, HasPostgresConn bk, RenderSql Query bk) | |
| => bk | |
| -> BackendConn bk | |
| -> Ref Table | table |
| -> f Bool |
Check if tableviewrelation exists. Schema is inferred if Ref contains multiple segments.
qry_checkTable :: String -> String -> Q () #
Check if tableviewrelation exists in given schema.
http://stackoverflow.com/questions/20582500/how-to-check-if-a-table-exists-in-a-given-schema
relationSchema :: (Katip f, HasPostgresConn bk, Command DropView t0 bk, RenderSql DropView bk, Command CreateViewAs t1 bk, CommandDescr DropView bk, MonadQueryStats f) => bk -> BackendConn bk -> Relation -> f (Fields Field) #
Introspect schema of a Relation
refFqTable :: Ref a -> FQTable #