DB.HSQL.Core

Management of handles and exception handling.

Documentation

closeHandle

Arguments

:: MVar Bool

closing state ref

-> IO ()

DB action to do if not closed

-> IO ()

if closed, no action.

checkHandle

Arguments

:: MVar Bool

closing state ref

-> IO a

DB action to do if not closed

-> IO a

if closed, throws SqlClosedHandle exception.

sqlExceptions

Arguments

:: Exception x

=> x

the exception thinc to be cast

-> Maybe SqlError

Casts, if possible, an Exception to an SqlError.

catchSql :: IO a -> (SqlError -> IO a) -> IO a

Deprecated: Use catch instead.

handleSql :: (SqlError -> IO a) -> IO a -> IO a

Deprecated: Use handle instead.