Struct backend::schema::sql_types::Shade

pub struct Shade;

Trait Implementations

impl<'a, 'b> AsExpression<Shade> for &'a &'b Shade

type Expression = Bound<Shade, &'a &'b Shade>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<'a> AsExpression<Shade> for &'a Shade

type Expression = Bound<Shade, &'a Shade>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl AsExpression<Shade> for Shade

type Expression = Bound<Shade, Shade>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl Clone for Shade

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl FromSql<Shade, Pg> for Shade

fn from_sql(raw: PgValue<'_>) -> Result<Self>

See the trait documentation.

fn from_nullable_sql( bytes: Option<<DB as HasRawValue<'_>>::RawValue> ) -> Result<Self, Box<dyn Error + Sync + Send, Global>>

A specialized variant of from_sql for handling null values.

impl HasSqlType<Shade> for Pg

fn metadata(lookup: &mut Self::MetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

impl QueryId for Shade

type QueryId = Shade

A type which uniquely represents Self in a SQL query.

const HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type?

fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise.

impl Queryable<Shade, Pg> for Shade

type Row = Shade

The Rust type you’d like to map from.

fn build(row: Self::Row) -> Result<Self>

Construct an instance of this type

impl SqlType for Shade

type IsNull = NotNull

Is this type nullable?

impl ToSql<Shade, Pg> for Shade

fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

See the trait documentation.

impl SingleValue for Shade