Struct diesel_geometry::pg::types::sql_types::Circle

pub struct Circle;

The PostgreSQL Circle type.

ToSql impls

• PgCircle

FromSql impls

• PgCircle

Examples

use diesel_geometry::data_types::PgCircle;


table! {
    use diesel::sql_types::*;
    use diesel_geometry::sql_types::Circle;
    items {
        id -> Integer,
        name -> VarChar,
        location -> Circle,
    }
}

let inserted_location = insert_into(items)
    .values((name.eq("Shiny Thing"), location.eq(PgCircle(PgPoint(3.1, 6.6), 9.4))))
    .returning(location)
    .get_result(&connection);
assert_eq!(Ok(PgCircle(PgPoint(3.1, 6.6), 9.4)), inserted_location);

Trait Implementations

impl<T: Expression<SqlType = Circle>> PgSameAsExpressionMethods<Circle> for T

fn same_as<T>(self, other: T) -> SameAs<Self, T::Expression> where
    T: AsExpression<ST>, 

Creates a PostgresSQL ~= expression.

impl<T> PgIsContainedByExpressionMethods<Circle> for T where
    T: Expression,
    T::SqlType: CanBeContainedByCircle, 

fn is_contained_by<T>(self, other: T) -> IsContainedBy<Self, T::Expression> where
    T: AsExpression<ST>, 

Creates a PostgresSQL <@ expression.

impl CanBeContainedByCircle for Circle

impl CanBeContainedByBox for Circle

impl Copy for Circle

impl Clone for Circle

fn clone(&self) -> Circle

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for Circle

fn default() -> Circle

Returns the "default value" for a type.

impl Debug for Circle

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'expr> AsExpression<Circle> for &'expr PgCircle

type Expression = Bound<Circle, Self>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<'expr2, 'expr> AsExpression<Circle> for &'expr2 &'expr PgCircle

type Expression = Bound<Circle, Self>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl AsExpression<Circle> for PgCircle

type Expression = Bound<Circle, Self>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl HasSqlType<Circle> for Pg

fn metadata(_: &PgMetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

impl NotNull for Circle

impl SingleValue for Circle

impl QueryId for Circle

type QueryId = Circle

A type which uniquely represents Self in a SQL query.

const HAS_STATIC_QUERY_ID: bool

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 ToSql<Circle, Pg> for PgCircle

fn to_sql<W: Write>(&self, out: &mut Output<W, Pg>) -> Result

See the trait documentation.

impl FromSql<Circle, Pg> for PgCircle

fn from_sql(bytes: Option<&[u8]>) -> Result<Self>

See the trait documentation.