Struct mz_repr::adt::varchar::VarChar

source · [−]

pub struct VarChar<S: AsRef<str>>(pub S);

Expand description

A marker type indicating that a Rust string should be interpreted as a ScalarType::VarChar.

Tuple Fields

0: S

Trait Implementations

impl<S: Clone + AsRef<str>> Clone for VarChar<S>

fn clone(&self) -> VarChar<S>

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

impl<'a, E> DatumType<'a, E> for VarChar<&'a str>

fn nullable() -> bool

Whether this Rust type can represent NULL values

fn try_from_result(
res: Result<Datum<'a>, E>
) -> Result<Self, Result<Datum<'a>, E>>

Try to convert a Result whose Ok variant is a Datum into this native Rust type (Self). If it fails the error variant will contain the original result. Read more

fn into_result(self, _temp_storage: &'a RowArena) -> Result<Datum<'a>, E>

Convert this Rust type into a Result containing a Datum, or an error

impl<'a, E> DatumType<'a, E> for VarChar<String>

fn nullable() -> bool

Whether this Rust type can represent NULL values

fn try_from_result(
res: Result<Datum<'a>, E>
) -> Result<Self, Result<Datum<'a>, E>>

Try to convert a Result whose Ok variant is a Datum into this native Rust type (Self). If it fails the error variant will contain the original result. Read more

fn into_result(self, temp_storage: &'a RowArena) -> Result<Datum<'a>, E>

Convert this Rust type into a Result containing a Datum, or an error

impl<S: Debug + AsRef<str>> Debug for VarChar<S>

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

Formats the value using the given formatter. Read more

impl<S: Hash + AsRef<str>> Hash for VarChar<S>

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

impl<S: Ord + AsRef<str>> Ord for VarChar<S>

fn cmp(&self, other: &VarChar<S>) -> Ordering

This method returns an Ordering between self and other. Read more

1.21.0 · source

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

1.21.0 · source

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

1.50.0 · source

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval. Read more

impl<S: PartialEq + AsRef<str>> PartialEq<VarChar<S>> for VarChar<S>

fn eq(&self, other: &VarChar<S>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, other: &VarChar<S>) -> bool

This method tests for !=.

impl<S: PartialOrd + AsRef<str>> PartialOrd<VarChar<S>> for VarChar<S>

fn partial_cmp(&self, other: &VarChar<S>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

1.0.0 · source

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

This method tests less than (for self and other) and is used by the < operator. Read more

1.0.0 · source

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

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

1.0.0 · source

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

This method tests greater than (for self and other) and is used by the > operator. Read more

1.0.0 · source

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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

impl<S: Copy + AsRef<str>> Copy for VarChar<S>

impl<S: Eq + AsRef<str>> Eq for VarChar<S>

impl<S: AsRef<str>> StructuralEq for VarChar<S>

impl<S: AsRef<str>> StructuralPartialEq for VarChar<S>

Auto Trait Implementations

impl<S> RefUnwindSafe for VarChar<S> where
S: RefUnwindSafe,

impl<S> Send for VarChar<S> where
S: Send,

impl<S> Sync for VarChar<S> where
S: Sync,

impl<S> Unpin for VarChar<S> where
S: Unpin,

impl<S> UnwindSafe for VarChar<S> where
S: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> CallHasher for T where
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

impl<T> Instrument for T

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

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

fn in_current_span(self) -> Instrumented<Self>

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

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

const: unstable · 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.

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

impl<P, R> ProtoType<R> for P where
R: RustType<P>,

fn into_rust(self) -> Result<R, TryFromProtoError>

See RustType::from_proto.

fn from_rust(rust: &R) -> P

See RustType::into_proto.

impl<T> Same<T> for T

type Output = T

Should always be Self

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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.

const: unstable · source

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

Performs the conversion.

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

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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