Struct Polygon

pub struct Polygon<T> {
    pub rings: Vec<Vec<T>>,
    pub srid: Option<u32>,
}

Use that structure in Insertable or Queryable struct if you work with Polygon geometry.

#[macro_use] extern crate diesel;
use postgis_diesel::types::{Polygon,Point};
#[derive(Queryable)]
struct QueryablePolygonExample {
    id: i32,
    polygon: Polygon<Point>,
}

Fields

rings: Vec<Vec<T>>

srid: Option<u32>

Implementations

impl<T> Polygon<T>

where T: PointT + Clone,

pub fn new(srid: Option<u32>) -> Self

pub fn with_capacity(srid: Option<u32>, cap: usize) -> Self

pub fn add_ring<'a>(&'a mut self) -> &mut Self

pub fn add_ring_with_capacity<'a>(&'a mut self, cap: usize) -> &mut Self

pub fn add_point<'a>(&'a mut self, point: T) -> &mut Self

pub fn add_points<'a>( &'a mut self, points: impl IntoIterator<Item = T>, ) -> &mut Self

pub fn dimension(&self) -> u32

Trait Implementations

impl<'__expr, T> AsExpression<Geography> for &'__expr Polygon<T>

type Expression = Bound<Geography, &'__expr Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<T> AsExpression<Geography> for Polygon<T>

type Expression = Bound<Geography, Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<'__expr, T> AsExpression<Geometry> for &'__expr Polygon<T>

type Expression = Bound<Geometry, &'__expr Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<T> AsExpression<Geometry> for Polygon<T>

type Expression = Bound<Geometry, Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<'__expr, T> AsExpression<Nullable<Geography>> for &'__expr Polygon<T>

type Expression = Bound<Nullable<Geography>, &'__expr Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<T> AsExpression<Nullable<Geography>> for Polygon<T>

type Expression = Bound<Nullable<Geography>, Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<'__expr, T> AsExpression<Nullable<Geometry>> for &'__expr Polygon<T>

type Expression = Bound<Nullable<Geometry>, &'__expr Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<T> AsExpression<Nullable<Geometry>> for Polygon<T>

type Expression = Bound<Nullable<Geometry>, Polygon<T>>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<T: Clone> Clone for Polygon<T>

fn clone(&self) -> Polygon<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for Polygon<T>

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

Formats the value using the given formatter.

impl<'de, T> Deserialize<'de> for Polygon<T>

where T: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> FromSql<Geography, Pg> for Polygon<T>

where T: PointT + Debug + Clone,

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

See the trait documentation.

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

A specialized variant of from_sql for handling null values.

impl<T> FromSql<Geometry, Pg> for Polygon<T>

where T: PointT + Debug + Clone,

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

See the trait documentation.

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

A specialized variant of from_sql for handling null values.

impl<T: PartialEq> PartialEq for Polygon<T>

fn eq(&self, other: &Polygon<T>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<T, __DB, __ST> Queryable<__ST, __DB> for Polygon<T>

where __DB: Backend, __ST: SingleValue, Self: FromSql<__ST, __DB>,

type Row = Polygon<T>

The Rust type you’d like to map from.

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

Construct an instance of this type

impl<T> Serialize for Polygon<T>

where T: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<T> ToSql<Geography, Pg> for Polygon<T>

where T: PointT + Debug + PartialEq + Clone + EwkbSerializable,

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

See the trait documentation.

impl<T> ToSql<Geometry, Pg> for Polygon<T>

where T: PointT + Debug + PartialEq + Clone + EwkbSerializable,

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

See the trait documentation.

impl<T, __DB> ToSql<Nullable<Geography>, __DB> for Polygon<T>

where __DB: Backend, Self: ToSql<Geography, __DB>,

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

See the trait documentation.

impl<T, __DB> ToSql<Nullable<Geometry>, __DB> for Polygon<T>

where __DB: Backend, Self: ToSql<Geometry, __DB>,

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

See the trait documentation.

impl<T> StructuralPartialEq for Polygon<T>