Struct tokio_postgres::row::Row

source ·
pub struct Row { /* private fields */ }
Expand description

A row of data returned from the database by a query.

Implementations§

source§

impl Row

source

pub fn columns(&self) -> &[Column]

Returns information about the columns of data in the row.

source

pub fn is_empty(&self) -> bool

Determines if the row contains no values.

source

pub fn len(&self) -> usize

Returns the number of values in the row.

source

pub fn get<'a, I, T>(&'a self, idx: I) -> T
where I: RowIndex + Display, T: FromSql<'a>,

Deserializes a value from the row.

The value can be specified either by its numeric index in the row, or by its column name.

§Panics

Panics if the index is out of bounds or if the value cannot be converted to the specified type.

source

pub fn try_get<'a, I, T>(&'a self, idx: I) -> Result<T, Error>
where I: RowIndex + Display, T: FromSql<'a>,

Like Row::get, but returns a Result rather than panicking.

Trait Implementations§

source§

impl Debug for Row

source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl !RefUnwindSafe for Row

§

impl Send for Row

§

impl Sync for Row

§

impl Unpin for Row

§

impl !UnwindSafe for Row

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> Instrument for T

source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

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

source§

impl<T> Same for T

§

type Output = T

Should always be Self
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

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

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more