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MySqlValueRef

Struct MySqlValueRef 

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pub struct MySqlValueRef<'r> { /* private fields */ }
Available on crate feature mysql only.
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Implementation of ValueRef for MySQL.

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impl<'r> MySqlValueRef<'r>

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pub fn format(&self) -> MySqlValueFormat

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pub fn as_bytes(&self) -> Result<&'r [u8], Box<dyn Error + Sync + Send>>

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pub fn as_str(&self) -> Result<&'r str, Box<dyn Error + Sync + Send>>

Trait Implementationsยง

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impl<'r> Clone for MySqlValueRef<'r>

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fn clone(&self) -> MySqlValueRef<'r>

Returns a duplicate 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<'r> Debug for MySqlValueRef<'r>

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

Formats the value using the given formatter. Read more
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impl<'r> From<MySqlValueRef<'r>> for AnyValueRef<'r>

Available on crate feature any only.
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fn from(value: MySqlValueRef<'r>) -> AnyValueRef<'r>

Converts to this type from the input type.
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impl<'r> TryFrom<AnyValueRef<'r>> for MySqlValueRef<'r>

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type Error = Error

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

Performs the conversion.
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impl<'r> ValueRef<'r> for MySqlValueRef<'r>

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type Database = MySql

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fn to_owned(&self) -> MySqlValue

Creates an owned value from this value reference. Read more
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fn type_info(&self) -> Cow<'_, MySqlTypeInfo>

Get the type information for this value.
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fn is_null(&self) -> bool

Returns true if the SQL value is NULL.

Auto Trait Implementationsยง

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impl<'r> Freeze for MySqlValueRef<'r>

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impl<'r> RefUnwindSafe for MySqlValueRef<'r>

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impl<'r> Send for MySqlValueRef<'r>

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impl<'r> Sync for MySqlValueRef<'r>

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impl<'r> Unpin for MySqlValueRef<'r>

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impl<'r> UnsafeUnpin for MySqlValueRef<'r>

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impl<'r> UnwindSafe for MySqlValueRef<'r>

Blanket Implementationsยง

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

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

๐Ÿ”ฌThis is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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, U> Into<U> for T
where 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> โ“˜

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> โ“˜
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where 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 T
where 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 T
where 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,