postgresql-binary-0.1.0: Encoders and decoders for the PostgreSQL's binary format

Safe HaskellNone
LanguageHaskell2010

PostgreSQLBinary.Decoder

Contents

Synopsis

Documentation

type D a = ByteString -> Either Text a Source

A function for decoding a byte string into a value.

Numbers

int :: (Integral a, Bits a) => D a Source

Any of PostgreSQL integer types.

float4 :: D Float Source

float8 :: D Double Source

numeric :: D Scientific Source

Text

char :: D Char Source

A UTF-8-encoded char.

text :: D Text Source

Any of the variable-length character types: BPCHAR, VARCHAR, NAME and TEXT.

bytea :: D ByteString Source

Date and Time

date :: D Day Source

time :: D TimeOfDay Source

timetz :: D (TimeOfDay, TimeZone) Source

timestamp :: D UTCTime Source

timestamptz :: D LocalTime Source

interval :: D DiffTime Source

Misc

bool :: D Bool Source

uuid :: D UUID Source

array :: D Data Source

Arbitrary array.

Returns an intermediate representation, which can then be used to decode into a specific data type.