pub struct LineString<T> {
    pub points: Vec<T>,
    pub srid: Option<u32>,
}
Expand description

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

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

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§points: Vec<T>§srid: Option<u32>

Implementations§

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impl<T> LineString<T>where T: PointT,

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

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

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

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

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pub fn dimension(&self) -> u32

Trait Implementations§

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impl<'expr, T> AsExpression<Geography> for &'expr LineString<T>

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type Expression = Bound<Geography, &'expr LineString<T>>

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<T> AsExpression<Geography> for LineString<T>

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

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<'expr, T> AsExpression<Geometry> for &'expr LineString<T>

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type Expression = Bound<Geometry, &'expr LineString<T>>

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<T> AsExpression<Geometry> for LineString<T>

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

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<'expr, T> AsExpression<Nullable<Geography>> for &'expr LineString<T>

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type Expression = Bound<Nullable<Geography>, &'expr LineString<T>>

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<T> AsExpression<Nullable<Geography>> for LineString<T>

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

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<'expr, T> AsExpression<Nullable<Geometry>> for &'expr LineString<T>

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type Expression = Bound<Nullable<Geometry>, &'expr LineString<T>>

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<T> AsExpression<Nullable<Geometry>> for LineString<T>

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

The expression being returned
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fn as_expression(self) -> Self::Expression

Perform the conversion
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impl<T: Clone> Clone for LineString<T>

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

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug> Debug for LineString<T>

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

Formats the value using the given formatter. Read more
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impl<'de, T> Deserialize<'de> for LineString<T>where T: Deserialize<'de>,

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<T> FromSql<Geography, Pg> for LineString<T>where T: PointT + Debug + Clone,

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

See the trait documentation.
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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. Read more
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impl<T> FromSql<Geometry, Pg> for LineString<T>where T: PointT + Debug + Clone,

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

See the trait documentation.
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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. Read more
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impl<T: PartialEq> PartialEq<LineString<T>> for LineString<T>

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<__ST, __DB, T> Queryable<__ST, __DB> for LineString<T>where __DB: Backend, __ST: SingleValue, Self: FromSql<__ST, __DB>,

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type Row = LineString<T>

The Rust type you’d like to map from. Read more
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fn build(row: Self::Row) -> Result<Self>

Construct an instance of this type
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impl<T> Serialize for LineString<T>where T: Serialize,

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

Serialize this value into the given Serde serializer. Read more
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impl<T> ToSql<Geography, Pg> for LineString<T>where T: PointT + Debug + EwkbSerializable,

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

See the trait documentation.
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impl<T> ToSql<Geometry, Pg> for LineString<T>where T: PointT + Debug + EwkbSerializable,

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

See the trait documentation.
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impl<T, __DB> ToSql<Nullable<Geography>, __DB> for LineString<T>where __DB: Backend, Self: ToSql<Geography, __DB>,

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

See the trait documentation.
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impl<T, __DB> ToSql<Nullable<Geometry>, __DB> for LineString<T>where __DB: Backend, Self: ToSql<Geometry, __DB>,

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

See the trait documentation.
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impl<T> StructuralPartialEq for LineString<T>

Auto Trait Implementations§

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impl<T> RefUnwindSafe for LineString<T>where T: RefUnwindSafe,

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impl<T> Send for LineString<T>where T: Send,

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impl<T> Sync for LineString<T>where T: Sync,

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impl<T> Unpin for LineString<T>where T: Unpin,

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impl<T> UnwindSafe for LineString<T>where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, ST, DB> FromSqlRow<ST, DB> for Twhere T: Queryable<ST, DB>, ST: SqlTypeOrSelectable, DB: Backend, <T as Queryable<ST, DB>>::Row: FromStaticSqlRow<ST, DB>,

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fn build_from_row<'a>( row: &impl Row<'a, DB> ) -> Result<T, Box<dyn Error + Sync + Send, Global>>

See the trait documentation.
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impl<T, ST, DB> FromStaticSqlRow<ST, DB> for Twhere DB: Backend, T: FromSql<ST, DB>, ST: SingleValue,

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fn build_from_row<'a>( row: &impl Row<'a, DB> ) -> Result<T, Box<dyn Error + Sync + Send, Global>>

See the trait documentation
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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoSql for T

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fn into_sql<T>(self) -> Self::Expressionwhere Self: AsExpression<T> + Sized, T: SqlType + TypedExpressionType,

Convert self to an expression for Diesel’s query builder. Read more
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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expressionwhere &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,

Convert &self to an expression for Diesel’s query builder. Read more
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impl<T, ST, DB> StaticallySizedRow<ST, DB> for Twhere ST: SqlTypeOrSelectable + TupleSize, T: Queryable<ST, DB>, DB: Backend,

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const FIELD_COUNT: usize = <ST as crate::util::TupleSize>::SIZE

The number of fields that this type will consume.
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,