pub enum Value {
NULL,
Bytes(Vec<u8, Global>),
Int(i64),
UInt(u64),
Float(f32),
Double(f64),
Date(u16, u8, u8, u8, u8, u8, u32),
Time(bool, u32, u8, u8, u8, u32),
}
Expand description
Client side representation of a value of MySql column.
The Value
is also used as a parameter to a prepared statement.
Variants§
NULL
Bytes(Vec<u8, Global>)
Int(i64)
UInt(u64)
Float(f32)
Double(f64)
Date(u16, u8, u8, u8, u8, u8, u32)
year, month, day, hour, minutes, seconds, micro seconds
Time(bool, u32, u8, u8, u8, u32)
is negative, days, hours, minutes, seconds, micro seconds
Implementations§
Trait Implementations§
source§impl<T> From<Serialized<T>> for Valuewhere
T: Serialize,
impl<T> From<Serialized<T>> for Valuewhere
T: Serialize,
source§fn from(x: Serialized<T>) -> Value
fn from(x: Serialized<T>) -> Value
Converts to this type from the input type.
source§impl FromValue for Value
impl FromValue for Value
type Intermediate = Value
source§fn from_value(v: Value) -> Value
fn from_value(v: Value) -> Value
Will panic if could not convert
v
to Self
.source§fn from_value_opt(v: Value) -> Result<Value, FromValueError>
fn from_value_opt(v: Value) -> Result<Value, FromValueError>
Will return
Err(Error::FromValueError(v))
if could not convert v
to Self
.source§fn get_intermediate(v: Value) -> Result<Self::Intermediate, FromValueError>
fn get_intermediate(v: Value) -> Result<Self::Intermediate, FromValueError>
Will return
Err(Error::FromValueError(v))
if v
is not convertible to Self
.source§impl MySerialize for Value
impl MySerialize for Value
source§impl PartialOrd<Value> for Value
impl PartialOrd<Value> for Value
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
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 moresource§impl<'a> TryFrom<BinlogValue<'a>> for Value
impl<'a> TryFrom<BinlogValue<'a>> for Value
§type Error = BinlogValueToValueError
type Error = BinlogValueToValueError
The type returned in the event of a conversion error.
source§fn try_from(
value: BinlogValue<'a>
) -> Result<Value, <Value as TryFrom<BinlogValue<'a>>>::Error>
fn try_from(
value: BinlogValue<'a>
) -> Result<Value, <Value as TryFrom<BinlogValue<'a>>>::Error>
Performs the conversion.
impl StructuralPartialEq for Value
Auto Trait Implementations§
impl RefUnwindSafe for Value
impl Send for Value
impl Sync for Value
impl Unpin for Value
impl UnwindSafe for Value
Blanket Implementations§
§impl<T> Conv for T
impl<T> Conv for T
§impl<Choices> CoproductSubsetter<CNil, HNil> for Choices
impl<Choices> CoproductSubsetter<CNil, HNil> for Choices
§impl<T> FmtForward for T
impl<T> FmtForward for T
§fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
Causes
self
to use its Binary
implementation when Debug
-formatted.§fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
§fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
§fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
§fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
Causes
self
to use its Octal
implementation when Debug
-formatted.§fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
§fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
§fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
§fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,
fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
§impl<T, U, I> LiftInto<U, I> for Twhere
U: LiftFrom<T, I>,
impl<T, U, I> LiftInto<U, I> for Twhere
U: LiftFrom<T, I>,
§impl<T> Pipe for Twhere
T: ?Sized,
impl<T> Pipe for Twhere
T: ?Sized,
§fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
Pipes by value. This is generally the method you want to use. Read more
§fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
Borrows
self
and passes that borrow into the pipe function. Read more§fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
Mutably borrows
self
and passes that borrow into the pipe function. Read more§fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
§fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
§fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
Borrows
self
, then passes self.as_ref()
into the pipe function.§fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
§impl<T> Pointable for T
impl<T> Pointable for T
§impl<Source> Sculptor<HNil, HNil> for Source
impl<Source> Sculptor<HNil, HNil> for Source
§impl<T> Tap for T
impl<T> Tap for T
§fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,
Immutable access to the
Borrow<B>
of a value. Read more§fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,
Mutable access to the
BorrowMut<B>
of a value. Read more§fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
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R: ?Sized,
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,
Immutable access to the
AsRef<R>
view of a value. Read more§fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
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R: ?Sized,
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,
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Self: Deref<Target = T>,
T: ?Sized,
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,
Immutable access to the
Deref::Target
of a value. Read more§fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
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T: ?Sized,
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
Mutable access to the
Deref::Target
of a value. Read more§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
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.tap()
only in debug builds, and is erased in release builds.§fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
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