Trait sqlx::decode::Decode

pub trait Decode<'de, DB>: 'de where
    DB: HasRawValue<'de>, {
    fn decode(value: <DB as HasRawValue<'de>>::RawValue) -> Result<Self, Error>;
}

Decode a single value from the database.

Required methods

fn decode(value: <DB as HasRawValue<'de>>::RawValue) -> Result<Self, Error>

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Implementations on Foreign Types

impl<'de, T1, T2, T3, T4, T5, T6, T7, T8, T9> Decode<'de, Postgres> for (T1, T2, T3, T4, T5, T6, T7, T8, T9) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>,
    T4: Type<Postgres> + Decode<'de, Postgres>,
    T5: Type<Postgres> + Decode<'de, Postgres>,
    T6: Type<Postgres> + Decode<'de, Postgres>,
    T7: Type<Postgres> + Decode<'de, Postgres>,
    T8: Type<Postgres> + Decode<'de, Postgres>,
    T9: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(
    value: Option<PgValue<'de>>
) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9), Error>

impl<'de> Decode<'de, MySql> for bool

fn decode(value: Option<MySqlValue<'de>>) -> Result<bool, Error>

impl<'de> Decode<'de, MySql> for Vec<u8>

fn decode(value: Option<MySqlValue<'de>>) -> Result<Vec<u8>, Error>

impl<'de> Decode<'de, MySql> for i32

fn decode(value: Option<MySqlValue<'de>>) -> Result<i32, Error>

impl<'de, T1, T2, T3, T4> Decode<'de, Postgres> for (T1, T2, T3, T4) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>,
    T4: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(value: Option<PgValue<'de>>) -> Result<(T1, T2, T3, T4), Error>

impl<'de> Decode<'de, Postgres> for &'de str

fn decode(value: Option<PgValue<'de>>) -> Result<&'de str, Error>

impl<'de, T1, T2, T3> Decode<'de, Postgres> for (T1, T2, T3) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(value: Option<PgValue<'de>>) -> Result<(T1, T2, T3), Error>

impl<'de> Decode<'de, Postgres> for String

fn decode(buf: Option<PgValue<'de>>) -> Result<String, Error>

impl<'de> Decode<'de, MySql> for String

fn decode(buf: Option<MySqlValue<'de>>) -> Result<String, Error>

impl<'de> Decode<'de, Postgres> for &'de [u8]

fn decode(value: Option<PgValue<'de>>) -> Result<&'de [u8], Error>

impl<'de, T1, T2, T3, T4, T5, T6, T7> Decode<'de, Postgres> for (T1, T2, T3, T4, T5, T6, T7) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>,
    T4: Type<Postgres> + Decode<'de, Postgres>,
    T5: Type<Postgres> + Decode<'de, Postgres>,
    T6: Type<Postgres> + Decode<'de, Postgres>,
    T7: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(
    value: Option<PgValue<'de>>
) -> Result<(T1, T2, T3, T4, T5, T6, T7), Error>

impl<'de, T1, T2, T3, T4, T5> Decode<'de, Postgres> for (T1, T2, T3, T4, T5) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>,
    T4: Type<Postgres> + Decode<'de, Postgres>,
    T5: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(value: Option<PgValue<'de>>) -> Result<(T1, T2, T3, T4, T5), Error>

impl<'de> Decode<'de, MySql> for u32

fn decode(value: Option<MySqlValue<'de>>) -> Result<u32, Error>

impl<'de> Decode<'de, MySql> for u8

fn decode(value: Option<MySqlValue<'de>>) -> Result<u8, Error>

impl<'de> Decode<'de, Postgres> for i16

fn decode(value: Option<PgValue<'de>>) -> Result<i16, Error>

impl<'de> Decode<'de, Postgres> for i32

fn decode(value: Option<PgValue<'de>>) -> Result<i32, Error>

impl<'de, T> Decode<'de, Postgres> for Option<T> where
    T: Decode<'de, Postgres>, 

fn decode(value: Option<PgValue<'de>>) -> Result<Option<T>, Error>

impl<'de> Decode<'de, MySql> for u16

fn decode(value: Option<MySqlValue<'de>>) -> Result<u16, Error>

impl<'de, T1, T2, T3, T4, T5, T6> Decode<'de, Postgres> for (T1, T2, T3, T4, T5, T6) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>,
    T4: Type<Postgres> + Decode<'de, Postgres>,
    T5: Type<Postgres> + Decode<'de, Postgres>,
    T6: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(
    value: Option<PgValue<'de>>
) -> Result<(T1, T2, T3, T4, T5, T6), Error>

impl<'de> Decode<'de, MySql> for f32

fn decode(value: Option<MySqlValue<'de>>) -> Result<f32, Error>

impl<'de> Decode<'de, Postgres> for Vec<u8>

fn decode(value: Option<PgValue<'de>>) -> Result<Vec<u8>, Error>

impl<'de> Decode<'de, MySql> for i64

fn decode(value: Option<MySqlValue<'de>>) -> Result<i64, Error>

impl<'de, T1, T2, T3, T4, T5, T6, T7, T8> Decode<'de, Postgres> for (T1, T2, T3, T4, T5, T6, T7, T8) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>,
    T3: Type<Postgres> + Decode<'de, Postgres>,
    T4: Type<Postgres> + Decode<'de, Postgres>,
    T5: Type<Postgres> + Decode<'de, Postgres>,
    T6: Type<Postgres> + Decode<'de, Postgres>,
    T7: Type<Postgres> + Decode<'de, Postgres>,
    T8: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(
    value: Option<PgValue<'de>>
) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8), Error>

impl<'de> Decode<'de, Postgres> for i64

fn decode(value: Option<PgValue<'de>>) -> Result<i64, Error>

impl<'de> Decode<'de, Postgres> for f64

fn decode(value: Option<PgValue<'de>>) -> Result<f64, Error>

impl<'de> Decode<'de, MySql> for &'de str

fn decode(value: Option<MySqlValue<'de>>) -> Result<&'de str, Error>

impl<'de> Decode<'de, Postgres> for bool

fn decode(value: Option<PgValue<'de>>) -> Result<bool, Error>

impl<'de> Decode<'de, Postgres> for f32

fn decode(value: Option<PgValue<'de>>) -> Result<f32, Error>

impl<'de, T1, T2> Decode<'de, Postgres> for (T1, T2) where
    T1: Type<Postgres> + Decode<'de, Postgres>,
    T2: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(value: Option<PgValue<'de>>) -> Result<(T1, T2), Error>

impl<'de> Decode<'de, MySql> for i8

fn decode(value: Option<MySqlValue<'de>>) -> Result<i8, Error>

impl<'de> Decode<'de, MySql> for u64

fn decode(value: Option<MySqlValue<'de>>) -> Result<u64, Error>

impl<'de> Decode<'de, MySql> for i16

fn decode(value: Option<MySqlValue<'de>>) -> Result<i16, Error>

impl<'de, T> Decode<'de, MySql> for Option<T> where
    T: Decode<'de, MySql>, 

fn decode(value: Option<MySqlValue<'de>>) -> Result<Option<T>, Error>

impl<'de> Decode<'de, MySql> for &'de [u8]

fn decode(value: Option<MySqlValue<'de>>) -> Result<&'de [u8], Error>

impl<'de, T1> Decode<'de, Postgres> for (T1,) where
    T1: Type<Postgres> + Decode<'de, Postgres>, 

fn decode(value: Option<PgValue<'de>>) -> Result<(T1,), Error>

impl<'de> Decode<'de, MySql> for f64

fn decode(value: Option<MySqlValue<'de>>) -> Result<f64, Error>

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Implementors

impl<'de> Decode<'de, MySql> for DateTime<Utc>

fn decode(value: Option<MySqlValue<'de>>) -> Result<DateTime<Utc>, Error>

impl<'de> Decode<'de, MySql> for NaiveDate

fn decode(buf: Option<MySqlValue<'de>>) -> Result<NaiveDate, Error>

impl<'de> Decode<'de, MySql> for NaiveDateTime

fn decode(buf: Option<MySqlValue<'de>>) -> Result<NaiveDateTime, Error>

impl<'de> Decode<'de, MySql> for NaiveTime

fn decode(buf: Option<MySqlValue<'de>>) -> Result<NaiveTime, Error>

impl<'de> Decode<'de, Postgres> for DateTime<Utc>

fn decode(value: Option<PgValue<'de>>) -> Result<DateTime<Utc>, Error>

impl<'de> Decode<'de, Postgres> for DateTime<Local>

fn decode(value: Option<PgValue<'de>>) -> Result<DateTime<Local>, Error>

impl<'de> Decode<'de, Postgres> for NaiveDate

fn decode(value: Option<PgValue<'de>>) -> Result<NaiveDate, Error>

impl<'de> Decode<'de, Postgres> for NaiveDateTime

fn decode(value: Option<PgValue<'de>>) -> Result<NaiveDateTime, Error>

impl<'de> Decode<'de, Postgres> for NaiveTime

fn decode(value: Option<PgValue<'de>>) -> Result<NaiveTime, Error>

impl<'de> Decode<'de, Postgres> for Uuid

fn decode(value: Option<PgValue<'de>>) -> Result<Uuid, Error>

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