Preql.Wire.Errors

Errors raised by functions in Preql.Wire

Documentation

data UnlocatedFieldError

Errors that can occur in decoding a single field.

Constructors

UnexpectedNull

ParseFailure Text

Instances

Eq UnlocatedFieldError

Defined in Preql.Wire.Errors

Methods

(==) :: UnlocatedFieldError -> UnlocatedFieldError -> Bool

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

Show UnlocatedFieldError

Defined in Preql.Wire.Errors

Methods

showsPrec :: Int -> UnlocatedFieldError -> ShowS

show :: UnlocatedFieldError -> String

showList :: [UnlocatedFieldError] -> ShowS

ToJSON UnlocatedFieldError

Defined in Preql.Wire.Errors

Methods

toJSON :: UnlocatedFieldError -> Value

toEncoding :: UnlocatedFieldError -> Encoding

toJSONList :: [UnlocatedFieldError] -> Value

toEncodingList :: [UnlocatedFieldError] -> Encoding

FromJSON UnlocatedFieldError

Defined in Preql.Wire.Errors

Methods

parseJSON :: Value -> Parser UnlocatedFieldError

parseJSONList :: Value -> Parser [UnlocatedFieldError]

data FieldError

A decoding error with information about the row & column of the result where it occured.

Constructors

FieldError

Fields

• errorRow :: Int
• errorColumn :: Int
• failure :: UnlocatedFieldError

Instances

Eq FieldError

Defined in Preql.Wire.Errors

Methods

(==) :: FieldError -> FieldError -> Bool

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

Show FieldError

Defined in Preql.Wire.Errors

Methods

showsPrec :: Int -> FieldError -> ShowS

show :: FieldError -> String

showList :: [FieldError] -> ShowS

ToJSON FieldError

Defined in Preql.Wire.Errors

Methods

toJSON :: FieldError -> Value

toEncoding :: FieldError -> Encoding

toJSONList :: [FieldError] -> Value

toEncodingList :: [FieldError] -> Encoding

FromJSON FieldError

Defined in Preql.Wire.Errors

Methods

parseJSON :: Value -> Parser FieldError

parseJSONList :: Value -> Parser [FieldError]

Exception FieldError

Defined in Preql.Wire.Errors

Methods

toException :: FieldError -> SomeException

fromException :: SomeException -> Maybe FieldError

displayException :: FieldError -> String

data PgType

Constructors

Oid Oid

A Postgres type with a known ID

TypeName Text

A Postgres type which we will need to lookup by name

Instances

Eq PgType

Defined in Preql.Wire.Errors

Methods

(==) :: PgType -> PgType -> Bool

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

Show PgType

Defined in Preql.Wire.Errors

Methods

showsPrec :: Int -> PgType -> ShowS

show :: PgType -> String

showList :: [PgType] -> ShowS

ToJSON PgType

Defined in Preql.Wire.Errors

Methods

toJSON :: PgType -> Value

toEncoding :: PgType -> Encoding

toJSONList :: [PgType] -> Value

toEncodingList :: [PgType] -> Encoding

FromJSON PgType

Defined in Preql.Wire.Errors

Methods

parseJSON :: Value -> Parser PgType

parseJSONList :: Value -> Parser [PgType]

data TypeMismatch

Constructors

TypeMismatch

Fields

• expected :: PgType
• actual :: Oid
• column :: Int
• columnName :: Maybe Text

Instances

Eq TypeMismatch

Defined in Preql.Wire.Errors

Methods

(==) :: TypeMismatch -> TypeMismatch -> Bool

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

Show TypeMismatch

Defined in Preql.Wire.Errors

Methods

showsPrec :: Int -> TypeMismatch -> ShowS

show :: TypeMismatch -> String

showList :: [TypeMismatch] -> ShowS

ToJSON TypeMismatch

Defined in Preql.Wire.Errors

Methods

toJSON :: TypeMismatch -> Value

toEncoding :: TypeMismatch -> Encoding

toJSONList :: [TypeMismatch] -> Value

toEncodingList :: [TypeMismatch] -> Encoding

FromJSON TypeMismatch

Defined in Preql.Wire.Errors

Methods

parseJSON :: Value -> Parser TypeMismatch

parseJSONList :: Value -> Parser [TypeMismatch]

data QueryError

Constructors

ConnectionError Text

DecoderError FieldError

PgTypeMismatch [TypeMismatch]

Instances

Eq QueryError

Defined in Preql.Wire.Errors

Methods

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

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

Show QueryError

Defined in Preql.Wire.Errors

Methods

showsPrec :: Int -> QueryError -> ShowS

show :: QueryError -> String

showList :: [QueryError] -> ShowS

ToJSON QueryError

Defined in Preql.Wire.Errors

Methods

toJSON :: QueryError -> Value

toEncoding :: QueryError -> Encoding

toJSONList :: [QueryError] -> Value

toEncodingList :: [QueryError] -> Encoding

FromJSON QueryError

Defined in Preql.Wire.Errors

Methods

parseJSON :: Value -> Parser QueryError

parseJSONList :: Value -> Parser [QueryError]

Exception QueryError

Defined in Preql.Wire.Errors

Methods

toException :: QueryError -> SomeException

fromException :: SomeException -> Maybe QueryError

displayException :: QueryError -> String