Database.PostgreSQL.PQTypes.Internal.Error

Definitions of exception types.

Documentation

data DetailedQueryError

SQL query error. Reference: description of PQresultErrorField at http://www.postgresql.org/docs/devel/static/libpq-exec.html.

Constructors

DetailedQueryError

Fields

• qeSeverity :: !String
• qeErrorCode :: !ErrorCode
• qeMessagePrimary :: !String
• qeMessageDetail :: !(Maybe String)
• qeMessageHint :: !(Maybe String)
• qeStatementPosition :: !(Maybe Int)
• qeInternalPosition :: !(Maybe Int)
• qeInternalQuery :: !(Maybe String)
• qeContext :: !(Maybe String)
• qeSourceFile :: !(Maybe String)
• qeSourceLine :: !(Maybe Int)
• qeSourceFunction :: !(Maybe String)

Instances

Eq DetailedQueryError

Methods

(==) :: DetailedQueryError -> DetailedQueryError -> Bool

(/=) :: DetailedQueryError -> DetailedQueryError -> Bool

Ord DetailedQueryError

Methods

compare :: DetailedQueryError -> DetailedQueryError -> Ordering

(<) :: DetailedQueryError -> DetailedQueryError -> Bool

(<=) :: DetailedQueryError -> DetailedQueryError -> Bool

(>) :: DetailedQueryError -> DetailedQueryError -> Bool

(>=) :: DetailedQueryError -> DetailedQueryError -> Bool

max :: DetailedQueryError -> DetailedQueryError -> DetailedQueryError

min :: DetailedQueryError -> DetailedQueryError -> DetailedQueryError

Show DetailedQueryError

Methods

showsPrec :: Int -> DetailedQueryError -> ShowS

show :: DetailedQueryError -> String

showList :: [DetailedQueryError] -> ShowS

Exception DetailedQueryError

Methods

toException :: DetailedQueryError -> SomeException

fromException :: SomeException -> Maybe DetailedQueryError

displayException :: DetailedQueryError -> String

newtype QueryError

Simple SQL query error. Thrown when there is no PGresult object corresponding to query execution.

Constructors

QueryError String

Instances

Eq QueryError

Methods

(==) :: QueryError -> QueryError -> Bool

(/=) :: QueryError -> QueryError -> Bool

Ord QueryError

Methods

compare :: QueryError -> QueryError -> Ordering

(<) :: QueryError -> QueryError -> Bool

(<=) :: QueryError -> QueryError -> Bool

(>) :: QueryError -> QueryError -> Bool

(>=) :: QueryError -> QueryError -> Bool

max :: QueryError -> QueryError -> QueryError

min :: QueryError -> QueryError -> QueryError

Show QueryError

Methods

showsPrec :: Int -> QueryError -> ShowS

show :: QueryError -> String

showList :: [QueryError] -> ShowS

Exception QueryError

Methods

toException :: QueryError -> SomeException

fromException :: SomeException -> Maybe QueryError

displayException :: QueryError -> String

newtype HPQTypesError

Internal error in this library.

Constructors

HPQTypesError String

Instances

Eq HPQTypesError

Methods

(==) :: HPQTypesError -> HPQTypesError -> Bool

(/=) :: HPQTypesError -> HPQTypesError -> Bool

Ord HPQTypesError

Methods

compare :: HPQTypesError -> HPQTypesError -> Ordering

(<) :: HPQTypesError -> HPQTypesError -> Bool

(<=) :: HPQTypesError -> HPQTypesError -> Bool

(>) :: HPQTypesError -> HPQTypesError -> Bool

(>=) :: HPQTypesError -> HPQTypesError -> Bool

max :: HPQTypesError -> HPQTypesError -> HPQTypesError

min :: HPQTypesError -> HPQTypesError -> HPQTypesError

Show HPQTypesError

Methods

showsPrec :: Int -> HPQTypesError -> ShowS

show :: HPQTypesError -> String

showList :: [HPQTypesError] -> ShowS

Exception HPQTypesError

Methods

toException :: HPQTypesError -> SomeException

fromException :: SomeException -> Maybe HPQTypesError

displayException :: HPQTypesError -> String

newtype LibPQError

Internal error in libpq/libpqtypes library.

Constructors

LibPQError String

Instances

Eq LibPQError

Methods

(==) :: LibPQError -> LibPQError -> Bool

(/=) :: LibPQError -> LibPQError -> Bool

Ord LibPQError

Methods

compare :: LibPQError -> LibPQError -> Ordering

(<) :: LibPQError -> LibPQError -> Bool

(<=) :: LibPQError -> LibPQError -> Bool

(>) :: LibPQError -> LibPQError -> Bool

(>=) :: LibPQError -> LibPQError -> Bool

max :: LibPQError -> LibPQError -> LibPQError

min :: LibPQError -> LibPQError -> LibPQError

Show LibPQError

Methods

showsPrec :: Int -> LibPQError -> ShowS

show :: LibPQError -> String

showList :: [LibPQError] -> ShowS

Exception LibPQError

Methods

toException :: LibPQError -> SomeException

fromException :: SomeException -> Maybe LibPQError

displayException :: LibPQError -> String

data ConversionError

Data conversion error. Since it's polymorphic in error type, it nicely reports arbitrarily nested conversion errors.

Constructors

Exception e => ConversionError

Fields

• convColumn :: !Int

  Column number (Starts with 1).

• convColumnName :: !String

  Name of the column.

• convRow :: !Int

  Row number (Starts with 1).

• convError :: !e

  Exact error.

Instances

Show ConversionError

Methods

showsPrec :: Int -> ConversionError -> ShowS

show :: ConversionError -> String

showList :: [ConversionError] -> ShowS

Exception ConversionError

Methods

toException :: ConversionError -> SomeException

fromException :: SomeException -> Maybe ConversionError

displayException :: ConversionError -> String

data ArrayItemError

Array item error. Polymorphic in error type for the same reason as ConversionError.

Constructors

Exception e => ArrayItemError

Fields

• arrItemIndex :: !Int

  Item index (Starts with 1).

• arrItemError :: !e

  Exact error.

Instances

Show ArrayItemError

Methods

showsPrec :: Int -> ArrayItemError -> ShowS

show :: ArrayItemError -> String

showList :: [ArrayItemError] -> ShowS

Exception ArrayItemError

Methods

toException :: ArrayItemError -> SomeException

fromException :: SomeException -> Maybe ArrayItemError

displayException :: ArrayItemError -> String

data InvalidValue t

"Invalid value" error for various data types.

Constructors

InvalidValue

Fields

• ivValue :: t

  Invalid value.

• ivValidValues :: Maybe [t]

Instances

Eq t => Eq (InvalidValue t)

Methods

(==) :: InvalidValue t -> InvalidValue t -> Bool

(/=) :: InvalidValue t -> InvalidValue t -> Bool

Ord t => Ord (InvalidValue t)

Methods

compare :: InvalidValue t -> InvalidValue t -> Ordering

(<) :: InvalidValue t -> InvalidValue t -> Bool

(<=) :: InvalidValue t -> InvalidValue t -> Bool

(>) :: InvalidValue t -> InvalidValue t -> Bool

(>=) :: InvalidValue t -> InvalidValue t -> Bool

max :: InvalidValue t -> InvalidValue t -> InvalidValue t

min :: InvalidValue t -> InvalidValue t -> InvalidValue t

Show t => Show (InvalidValue t)

Methods

showsPrec :: Int -> InvalidValue t -> ShowS

show :: InvalidValue t -> String

showList :: [InvalidValue t] -> ShowS

(Show t, Typeable * t) => Exception (InvalidValue t)

Methods

toException :: InvalidValue t -> SomeException

fromException :: SomeException -> Maybe (InvalidValue t)

displayException :: InvalidValue t -> String

data RangeError t

Range error for various data types.

Constructors

RangeError

Fields

• reRange :: [(t, t)]

  Allowed range (sum of acceptable ranges).

• reValue :: t

  Provided value which is not in above range.

Instances

Eq t => Eq (RangeError t)

Methods

(==) :: RangeError t -> RangeError t -> Bool

(/=) :: RangeError t -> RangeError t -> Bool

Ord t => Ord (RangeError t)

Methods

compare :: RangeError t -> RangeError t -> Ordering

(<) :: RangeError t -> RangeError t -> Bool

(<=) :: RangeError t -> RangeError t -> Bool

(>) :: RangeError t -> RangeError t -> Bool

(>=) :: RangeError t -> RangeError t -> Bool

max :: RangeError t -> RangeError t -> RangeError t

min :: RangeError t -> RangeError t -> RangeError t

Show t => Show (RangeError t)

Methods

showsPrec :: Int -> RangeError t -> ShowS

show :: RangeError t -> String

showList :: [RangeError t] -> ShowS

(Show t, Typeable * t) => Exception (RangeError t)

Methods

toException :: RangeError t -> SomeException

fromException :: SomeException -> Maybe (RangeError t)

displayException :: RangeError t -> String

data ArrayDimensionMismatch

Array dimenstion mismatch error.

Constructors

ArrayDimensionMismatch

Fields

• arrDimExpected :: !Int

  Dimension expected by the library.

• arrDimDelivered :: !Int

  Dimension provided by the database.

Instances

Eq ArrayDimensionMismatch

Methods

(==) :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Bool

(/=) :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Bool

Ord ArrayDimensionMismatch

Methods

compare :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Ordering

(<) :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Bool

(<=) :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Bool

(>) :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Bool

(>=) :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> Bool

max :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> ArrayDimensionMismatch

min :: ArrayDimensionMismatch -> ArrayDimensionMismatch -> ArrayDimensionMismatch

Show ArrayDimensionMismatch

Methods

showsPrec :: Int -> ArrayDimensionMismatch -> ShowS

show :: ArrayDimensionMismatch -> String

showList :: [ArrayDimensionMismatch] -> ShowS

Exception ArrayDimensionMismatch

Methods

toException :: ArrayDimensionMismatch -> SomeException

fromException :: SomeException -> Maybe ArrayDimensionMismatch

displayException :: ArrayDimensionMismatch -> String

data RowLengthMismatch

Row length mismatch error.

Constructors

RowLengthMismatch

Fields

• lengthExpected :: !Int

  Length expected by the library.

• lengthDelivered :: !Int

  Length delivered by the database.

Instances

Eq RowLengthMismatch

Methods

(==) :: RowLengthMismatch -> RowLengthMismatch -> Bool

(/=) :: RowLengthMismatch -> RowLengthMismatch -> Bool

Ord RowLengthMismatch

Methods

compare :: RowLengthMismatch -> RowLengthMismatch -> Ordering

(<) :: RowLengthMismatch -> RowLengthMismatch -> Bool

(<=) :: RowLengthMismatch -> RowLengthMismatch -> Bool

(>) :: RowLengthMismatch -> RowLengthMismatch -> Bool

(>=) :: RowLengthMismatch -> RowLengthMismatch -> Bool

max :: RowLengthMismatch -> RowLengthMismatch -> RowLengthMismatch

min :: RowLengthMismatch -> RowLengthMismatch -> RowLengthMismatch

Show RowLengthMismatch

Methods

showsPrec :: Int -> RowLengthMismatch -> ShowS

show :: RowLengthMismatch -> String

showList :: [RowLengthMismatch] -> ShowS

Exception RowLengthMismatch

Methods

toException :: RowLengthMismatch -> SomeException

fromException :: SomeException -> Maybe RowLengthMismatch

displayException :: RowLengthMismatch -> String

data AffectedRowsMismatch

Affected/returned rows mismatch error.

Constructors

AffectedRowsMismatch

Fields

• rowsExpected :: ![(Int, Int)]

  Number of rows expected by the library, expressed as sum of acceptable ranges, eg. [(1,2), (5,10)] means that it would accept 1, 2, 5, 6, 7, 8, 9 or 10 affected/returned rows.

• rowsDelivered :: !Int

  Number of affected/returned rows by the database.

Instances

Eq AffectedRowsMismatch

Methods

(==) :: AffectedRowsMismatch -> AffectedRowsMismatch -> Bool

(/=) :: AffectedRowsMismatch -> AffectedRowsMismatch -> Bool

Ord AffectedRowsMismatch

Methods

compare :: AffectedRowsMismatch -> AffectedRowsMismatch -> Ordering

(<) :: AffectedRowsMismatch -> AffectedRowsMismatch -> Bool

(<=) :: AffectedRowsMismatch -> AffectedRowsMismatch -> Bool

(>) :: AffectedRowsMismatch -> AffectedRowsMismatch -> Bool

(>=) :: AffectedRowsMismatch -> AffectedRowsMismatch -> Bool

max :: AffectedRowsMismatch -> AffectedRowsMismatch -> AffectedRowsMismatch

min :: AffectedRowsMismatch -> AffectedRowsMismatch -> AffectedRowsMismatch

Show AffectedRowsMismatch

Methods

showsPrec :: Int -> AffectedRowsMismatch -> ShowS

show :: AffectedRowsMismatch -> String

showList :: [AffectedRowsMismatch] -> ShowS

Exception AffectedRowsMismatch

Methods

toException :: AffectedRowsMismatch -> SomeException

fromException :: SomeException -> Maybe AffectedRowsMismatch

displayException :: AffectedRowsMismatch -> String