hpqtypes-1.12.0.0: Haskell bindings to libpqtypes

Safe Haskell	None
Language	Haskell2010

Database.PostgreSQL.PQTypes.Internal.State

Description

Definition of internal DBT state.

Synopsis

data DBState (m :: Type -> Type) = DBState {
- dbConnection :: !Connection
- dbConnectionSource :: !(ConnectionSourceM m)
- dbTransactionSettings :: !TransactionSettings
- dbLastQuery :: !SomeSQL
- dbRecordLastQuery :: !Bool
- dbQueryResult :: !(forall row. FromRow row => Maybe (QueryResult row))
}
updateStateWith :: forall sql (m :: Type -> Type) r. IsSQL sql => DBState m -> sql -> (r, ForeignPtr PGresult) -> IO (r, DBState m)

Documentation

data DBState (m :: Type -> Type) Source #

Internal DB state.

Constructors

Fields

dbConnection :: !Connection
Active connection.
dbConnectionSource :: !(ConnectionSourceM m)
Supplied connection source.
dbTransactionSettings :: !TransactionSettings
Current transaction settings.
dbLastQuery :: !SomeSQL
Last SQL query that was executed.
dbRecordLastQuery :: !Bool
Whether running query should override dbLastQuery.
dbQueryResult :: !(forall row. FromRow row => Maybe (QueryResult row))
Current query result.

updateStateWith :: forall sql (m :: Type -> Type) r. IsSQL sql => DBState m -> sql -> (r, ForeignPtr PGresult) -> IO (r, DBState m) Source #