hsql-1.8.2: Database access from Haskell.

Safe HaskellSafe-Inferred
LanguageHaskell2010

DB.HSQL.Core

Description

Management of handles and exception handling.

Synopsis

Documentation

closeHandle Source

Arguments

:: MVar Bool

closing state ref

-> IO ()

DB action to do if not closed

-> IO () 

if closed, no action.

checkHandle Source

Arguments

:: MVar Bool

closing state ref

-> IO a

DB action to do if not closed

-> IO a 

if closed, throws SqlClosedHandle exception.

sqlExceptions Source

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 Source

Deprecated: Use Control.Exception.catch instead.

Deprecated: Use catch instead.

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

Deprecated: Use Control.Exception.handle instead.

Deprecated: Use handle instead.