Enum Value

pub enum Value {
    NULL,
    Bytes(Vec<u8>),
    Int(i64),
    UInt(u64),
    Float(f32),
    Double(f64),
    Date(u16, u8, u8, u8, u8, u8, u32),
    Time(bool, u32, u8, u8, u8, u32),
}

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>)

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

impl Value

pub fn bin_len(&self) -> u64

Returns length in binary serialized form.

pub fn as_sql(&self, no_backslash_escape: bool) -> String

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl<'a> From<&'a [u8]> for Value

fn from(x: &'a [u8]) -> Value

Converts to this type from the input type.

impl<'a, T> From<&'a T> for Value

where T: ToValue,

fn from(x: &'a T) -> Value

Converts to this type from the input type.

impl<'a> From<&'a str> for Value

fn from(x: &'a str) -> Value

Converts to this type from the input type.

impl<const N: usize> From<[u8; N]> for Value

fn from(x: [u8; N]) -> Value

Converts to this type from the input type.

impl From<Arc<[u8]>> for Value

fn from(x: Arc<[u8]>) -> Value

Converts to this type from the input type.

impl From<Arc<str>> for Value

fn from(x: Arc<str>) -> Value

Converts to this type from the input type.

impl From<BigInt> for Value

fn from(x: BigInt) -> Value

Converts to this type from the input type.

impl From<BigUint> for Value

fn from(x: BigUint) -> Value

Converts to this type from the input type.

impl From<Box<[u8]>> for Value

fn from(x: Box<[u8]>) -> Value

Converts to this type from the input type.

impl From<Box<str>> for Value

fn from(x: Box<str>) -> Value

Converts to this type from the input type.

impl<'a, T> From<Cow<'a, T>> for Value

where T: ToOwned, <T as ToOwned>::Owned: Into<Value>, &'a T: Into<Value>,

fn from(x: Cow<'a, T>) -> Value

Converts to this type from the input type.

impl From<Duration> for Value

fn from(x: Duration) -> Value

Converts to this type from the input type.

impl<T> From<Option<T>> for Value

where T: Into<Value>,

fn from(x: Option<T>) -> Value

Converts to this type from the input type.

impl<T> From<OptionIr2<T>> for Value

where T: FromValue, <T as FromValue>::Intermediate: Into<Value>,

fn from(ir: OptionIr2<T>) -> Value

Converts to this type from the input type.

impl From<ParseIr<BigInt>> for Value

fn from(value: ParseIr<BigInt>) -> Value

Converts to this type from the input type.

impl From<ParseIr<BigUint>> for Value

fn from(value: ParseIr<BigUint>) -> Value

Converts to this type from the input type.

impl<T> From<ParseIr<Deserialized<T>>> for Value

where T: DeserializeOwned,

fn from(value: ParseIr<Deserialized<T>>) -> Value

Converts to this type from the input type.

impl From<ParseIr<Uuid>> for Value

fn from(value: ParseIr<Uuid>) -> Value

Converts to this type from the input type.

impl From<ParseIr<Value>> for Value

fn from(value: ParseIr<Value>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<Duration>> for Value

fn from(value: ParseIrOpt<Duration>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<bool>> for Value

fn from(value: ParseIrOpt<bool>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<f32>> for Value

fn from(value: ParseIrOpt<f32>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<f64>> for Value

fn from(value: ParseIrOpt<f64>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<i128>> for Value

fn from(value: ParseIrOpt<i128>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<i16>> for Value

fn from(value: ParseIrOpt<i16>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<i32>> for Value

fn from(value: ParseIrOpt<i32>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<i64>> for Value

fn from(value: ParseIrOpt<i64>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<i8>> for Value

fn from(value: ParseIrOpt<i8>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<isize>> for Value

fn from(value: ParseIrOpt<isize>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<u128>> for Value

fn from(value: ParseIrOpt<u128>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<u16>> for Value

fn from(value: ParseIrOpt<u16>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<u32>> for Value

fn from(value: ParseIrOpt<u32>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<u64>> for Value

fn from(value: ParseIrOpt<u64>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<u8>> for Value

fn from(value: ParseIrOpt<u8>) -> Value

Converts to this type from the input type.

impl From<ParseIrOpt<usize>> for Value

fn from(value: ParseIrOpt<usize>) -> Value

Converts to this type from the input type.

impl From<Rc<[u8]>> for Value

fn from(x: Rc<[u8]>) -> Value

Converts to this type from the input type.

impl From<Rc<str>> for Value

fn from(x: Rc<str>) -> Value

Converts to this type from the input type.

impl<T> From<Serialized<T>> for Value

where T: Serialize,

fn from(x: Serialized<T>) -> Value

Converts to this type from the input type.

impl From<String> for Value

fn from(x: String) -> Value

Converts to this type from the input type.

impl From<Uuid> for Value

fn from(uuid: Uuid) -> Value

Converts to this type from the input type.

impl From<Value> for Value

fn from(x: Value) -> Value

Converts to this type from the input type.

impl From<ValueIr> for Value

fn from(value: ValueIr) -> Value

Converts to this type from the input type.

impl From<Vec<u8>> for Value

fn from(x: Vec<u8>) -> Value

Converts to this type from the input type.

impl From<bool> for Value

fn from(x: bool) -> Value

Converts to this type from the input type.

impl From<f32> for Value

fn from(x: f32) -> Value

Converts to this type from the input type.

impl From<f64> for Value

fn from(x: f64) -> Value

Converts to this type from the input type.

impl From<i128> for Value

fn from(x: i128) -> Value

Converts to this type from the input type.

impl From<i16> for Value

fn from(x: i16) -> Value

Converts to this type from the input type.

impl From<i32> for Value

fn from(x: i32) -> Value

Converts to this type from the input type.

impl From<i64> for Value

fn from(x: i64) -> Value

Converts to this type from the input type.

impl From<i8> for Value

fn from(x: i8) -> Value

Converts to this type from the input type.

impl From<isize> for Value

fn from(x: isize) -> Value

Converts to this type from the input type.

impl From<u128> for Value

fn from(x: u128) -> Value

Converts to this type from the input type.

impl From<u16> for Value

fn from(x: u16) -> Value

Converts to this type from the input type.

impl From<u32> for Value

fn from(x: u32) -> Value

Converts to this type from the input type.

impl From<u64> for Value

fn from(x: u64) -> Value

Converts to this type from the input type.

impl From<u8> for Value

fn from(x: u8) -> Value

Converts to this type from the input type.

impl From<usize> for Value

fn from(x: usize) -> Value

Converts to this type from the input type.

impl FromValue for Value

type Intermediate = ValueIr

fn from_value(v: Value) -> Self

Will panic if could not convert v to Self.

fn from_value_opt(v: Value) -> Result<Self, FromValueError>

Will return Err(Error::FromValueError(v)) if could not convert v to Self.

fn get_intermediate(v: Value) -> Result<Self::Intermediate, FromValueError>

Will return Err(Error::FromValueError(v)) if v is not convertible to Self.

impl MySerialize for Value

fn serialize(&self, buf: &mut Vec<u8>)

Serializes self into the buf.

impl PartialEq for Value

fn eq(&self, other: &Value) -> bool

Tests for self and other values to be equal, and is used by ==.

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

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

impl PartialOrd for Value

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl TryFrom<Value> for Arc<[u8]>

type Error = FromValueError

The type returned in the event of a conversion error.

fn try_from(v: Value) -> Result<Arc<[u8]>, <Arc<[u8]> as TryFrom<Value>>::Error>

Performs the conversion.

impl TryFrom<Value> for Arc<str>

type Error = FromValueError

The type returned in the event of a conversion error.

fn try_from(v: Value) -> Result<Arc<str>, <Arc<str> as TryFrom<Value>>::Error>

Performs the conversion.

impl TryFrom<Value> for Box<[u8]>

type Error = FromValueError

The type returned in the event of a conversion error.

fn try_from(v: Value) -> Result<Box<[u8]>, <Box<[u8]> as TryFrom<Value>>::Error>

Performs the conversion.

impl TryFrom<Value> for Box<str>

type Error = FromValueError

The type returned in the event of a conversion error.

fn try_from(v: Value) -> Result<Box<str>, <Box<str> as TryFrom<Value>>::Error>

Performs the conversion.

impl TryFrom<Value> for Vec<u8>

type Error = FromValueError

The type returned in the event of a conversion error.

fn try_from(v: Value) -> Result<Vec<u8>, <Vec<u8> as TryFrom<Value>>::Error>

Performs the conversion.

impl StructuralPartialEq for Value