Trait elephantry::FromSql

pub trait FromSql: Sized {
    pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>;
    pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>;

    pub fn from_sql(
        ty: &Type, 
        format: Format, 
        raw: Option<&[u8]>
    ) -> Result<Self> { ... }
    pub fn error<T: Debug>(pg_type: &Type, rust_type: &str, raw: T) -> Error { ... }
}

Trait to allow a rust type to be translated form a SQL value.

Required methods

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

Create a new struct from the binary representation.

See the postgresql adt module source code, mainly *_send functions.

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

Create a new struct from the text representation.

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Provided methods

pub fn from_sql(ty: &Type, format: Format, raw: Option<&[u8]>) -> Result<Self>

Create a new struct from SQL value.

pub fn error<T: Debug>(pg_type: &Type, rust_type: &str, raw: T) -> Error

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Implementations on Foreign Types

impl FromSql for f32

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

impl FromSql for f64

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

impl FromSql for i16

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

impl FromSql for i32

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

impl FromSql for i64

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

impl FromSql for u32

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

impl FromSql for usize

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl FromSql for bool

pub fn from_text(_: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<T: FromSql> FromSql for Option<T>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl FromSql for char

pub fn from_text(_: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl FromSql for String

pub fn from_text(_: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(_: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<T: FromSql> FromSql for Vec<T>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl FromSql for ()

pub fn from_text(_: &Type, _: Option<&str>) -> Result<Self>

pub fn from_binary(_: &Type, _: Option<&[u8]>) -> Result<Self>

impl<T: FromSql> FromSql for Range<T>

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql> FromSql for (A, B)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql> FromSql for (A, B, C)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql> FromSql for (A, B, C, D)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql> FromSql for (A, B, C, D, E)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql> FromSql for (A, B, C, D, E, F)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql, G: FromSql> FromSql for (A, B, C, D, E, F, G)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql, G: FromSql, H: FromSql> FromSql for (A, B, C, D, E, F, G, H)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql, G: FromSql, H: FromSql, I: FromSql> FromSql for (A, B, C, D, E, F, G, H, I)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql, G: FromSql, H: FromSql, I: FromSql, J: FromSql> FromSql for (A, B, C, D, E, F, G, H, I, J)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql, G: FromSql, H: FromSql, I: FromSql, J: FromSql, K: FromSql> FromSql for (A, B, C, D, E, F, G, H, I, J, K)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<A: FromSql, B: FromSql, C: FromSql, D: FromSql, E: FromSql, F: FromSql, G: FromSql, H: FromSql, I: FromSql, J: FromSql, K: FromSql, L: FromSql> FromSql for (A, B, C, D, E, F, G, H, I, J, K, L)

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

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Implementors

impl FromSql for Bytea

pub fn from_text(_: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(_: &Type, raw: Option<&[u8]>) -> Result<Self>

impl FromSql for Hstore

pub fn from_text(_: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(_: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<C: Composite> FromSql for C

pub fn from_text(ty: &Type, raw: Option<&str>) -> Result<Self>

pub fn from_binary(ty: &Type, raw: Option<&[u8]>) -> Result<Self>

impl<T: FromSql> FromSql for Array<T>

pub fn from_text(_ty: &Type, _raw: Option<&str>) -> Result<Self>

pub fn from_binary(_: &Type, raw: Option<&[u8]>) -> Result<Self>

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