Enum ColumnData

Source
pub enum ColumnData<'a> {
    Boolean(bool),
    Text(Text<'a>),
    Date(i32),
    Timestamp(i64),
    F64(f64),
    F32(f32),
    I64(i64),
    I32(i32),
    I16(i16),
    Option(Option<Box<ColumnData<'a>>>),
    TextArray(TextArray<'a>),
    Bytea(&'a [u8]),
}

Variants§

§

Boolean(bool)

§

Text(Text<'a>)

§

Date(i32)

§

Timestamp(i64)

§

F64(f64)

§

F32(f32)

§

I64(i64)

§

I32(i32)

§

I16(i16)

§

Option(Option<Box<ColumnData<'a>>>)

§

TextArray(TextArray<'a>)

§

Bytea(&'a [u8])

Implementations§

Source§

impl<'a> ColumnData<'a>

Source

pub fn is_null(&self) -> bool

Source

pub fn unwrap_text(self) -> Text<'a>

Trait Implementations§

Source§

impl<'a> Clone for ColumnData<'a>

Source§

fn clone(&self) -> ColumnData<'a>

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
Source§

impl<'a> Debug for ColumnData<'a>

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<'a> FromSql<'a> for ColumnData<'a>

Source§

fn from_sql( ty: &Type, raw: &'a [u8], ) -> Result<Self, Box<dyn Error + Send + Sync + 'static>>

Creates a new value of this type from a buffer of data of the specified Postgres Type in its binary format. Read more
Source§

fn from_sql_null(_: &Type) -> Result<Self, Box<dyn Error + Sync + Send>>

Creates a new value of this type from a NULL SQL value. Read more
Source§

fn accepts(ty: &Type) -> bool

Determines if a value of this type can be created from the specified Postgres Type.
Source§

fn from_sql_nullable( ty: &Type, raw: Option<&'a [u8]>, ) -> Result<Self, Box<dyn Error + Sync + Send>>

A convenience function that delegates to from_sql and from_sql_null depending on the value of raw.
Source§

impl<'a> PartialEq for ColumnData<'a>

Source§

fn eq(&self, other: &ColumnData<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

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

impl<'a> ToSql for ColumnData<'a>

Source§

fn to_sql( &self, _ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Send + Sync + 'static>>

Converts the value of self into the binary format of the specified Postgres Type, appending it to out. Read more
Source§

fn accepts(ty: &Type) -> bool

Determines if a value of this type can be converted to the specified Postgres Type.
Source§

fn to_sql_checked( &self, ty: &Type, out: &mut BytesMut, ) -> Result<IsNull, Box<dyn Error + Sync + Send>>

An adaptor method used internally by Rust-Postgres. Read more
Source§

fn encode_format(&self, _ty: &Type) -> Format

Specify the encode format
Source§

impl<'a> StructuralPartialEq for ColumnData<'a>

Auto Trait Implementations§

§

impl<'a> Freeze for ColumnData<'a>

§

impl<'a> RefUnwindSafe for ColumnData<'a>

§

impl<'a> Send for ColumnData<'a>

§

impl<'a> Sync for ColumnData<'a>

§

impl<'a> Unpin for ColumnData<'a>

§

impl<'a> UnwindSafe for ColumnData<'a>

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> BorrowToSql for T
where T: ToSql,

Source§

fn borrow_to_sql(&self) -> &dyn ToSql

Returns a reference to self as a ToSql trait object.
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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

Source§

type Output = T

Should always be Self
Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

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

Source§

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>,

Source§

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