SagaPgo.Types

Types

Value

opaque type Value

Uuid

opaque type Uuid

A Postgres UUID. Internally a 36-character canonical hyphenated string.

Values

naive_datetime

fun naive_datetime : Decoder NaiveDateTime

Decoder for Postgres TIMESTAMP and TIMESTAMPTZ columns. Both are decoded to a NaiveDateTime in UTC.

uuid

fun uuid : Decoder Uuid

Decoder for Postgres UUID columns.

Functions

pg_null

fun pg_null : Unit -> Value

pg_int

fun pg_int : Int -> Value

pg_float

fun pg_float : Float -> Value

pg_text

fun pg_text : String -> Value

pg_bool

fun pg_bool : Bool -> Value

pg_uuid

fun pg_uuid : Uuid -> Value

Encode a Uuid as a query parameter.

pg_date

fun pg_date : Date -> Value

Encode a Date as a query parameter for Postgres DATE columns.

maybe_null

fun maybe_null : a -> Value -> Maybe a -> Value

Encode an optional value as a query parameter, emitting NULL when the value is Nothing. Takes an encoder function so it composes with any value encoder:

maybe_null text maybe_username maybe_null int_value maybe_age maybe_null date_value maybe_birthday

parse_uuid

fun parse_uuid : String -> Result Uuid String

Parse a string into a Uuid. Accepts canonical hyphenated form.