Enum dao::value::Value

pub enum Value {
    Nil,
    Bool(bool),
    Tinyint(i8),
    Smallint(i16),
    Int(i32),
    Bigint(i64),
    Float(f32),
    Double(f64),
    BigDecimal(BigDecimal),
    Blob(Vec<u8>),
    ImageUri(String),
    Char(char),
    Text(String),
    Json(String),
    Uuid(Uuid),
    Date(NaiveDate),
    Time(NaiveTime),
    DateTime(NaiveDateTime),
    Timestamp(DateTime<Utc>),
    Array(Array),
}

Generic value storage 32 byte in size Some contains the same value container, but the variant is more important for type hinting and view presentation hinting purposes

Variants

NilBool(bool)Tinyint(i8)Smallint(i16)Int(i32)Bigint(i64)Float(f32)Double(f64)BigDecimal(BigDecimal)Blob(Vec<u8>)ImageUri(String)Char(char)Text(String)Json(String)Uuid(Uuid)Date(NaiveDate)Time(NaiveTime)DateTime(NaiveDateTime)Timestamp(DateTime<Utc>)Array(Array)

Trait Implementations

impl Debug for Value

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

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 PartialEq for Value

fn eq(&self, __arg_0: &Value) -> bool

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

fn ne(&self, __arg_0: &Value) -> bool

This method tests for !=.

impl From<bool> for Value

Owned types

fn from(f: bool) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a bool) -> Self

Performs the conversion.

impl<'a> From<&'a Option<bool>> for Value

for borrowed option types

fn from(f: &'a Option<bool>) -> Self

Performs the conversion.

impl From<i8> for Value

Owned types

fn from(f: i8) -> Self

Performs the conversion.

impl<'a> From<&'a i8> for Value

For borrowed types

fn from(f: &'a i8) -> Self

Performs the conversion.

impl<'a> From<&'a Option<i8>> for Value

for borrowed option types

fn from(f: &'a Option<i8>) -> Self

Performs the conversion.

impl From<i16> for Value

Owned types

fn from(f: i16) -> Self

Performs the conversion.

impl<'a> From<&'a i16> for Value

For borrowed types

fn from(f: &'a i16) -> Self

Performs the conversion.

impl<'a> From<&'a Option<i16>> for Value

for borrowed option types

fn from(f: &'a Option<i16>) -> Self

Performs the conversion.

impl From<i32> for Value

Owned types

fn from(f: i32) -> Self

Performs the conversion.

impl<'a> From<&'a i32> for Value

For borrowed types

fn from(f: &'a i32) -> Self

Performs the conversion.

impl<'a> From<&'a Option<i32>> for Value

for borrowed option types

fn from(f: &'a Option<i32>) -> Self

Performs the conversion.

impl From<i64> for Value

Owned types

fn from(f: i64) -> Self

Performs the conversion.

impl<'a> From<&'a i64> for Value

For borrowed types

fn from(f: &'a i64) -> Self

Performs the conversion.

impl<'a> From<&'a Option<i64>> for Value

for borrowed option types

fn from(f: &'a Option<i64>) -> Self

Performs the conversion.

impl From<f32> for Value

Owned types

fn from(f: f32) -> Self

Performs the conversion.

impl<'a> From<&'a f32> for Value

For borrowed types

fn from(f: &'a f32) -> Self

Performs the conversion.

impl<'a> From<&'a Option<f32>> for Value

for borrowed option types

fn from(f: &'a Option<f32>) -> Self

Performs the conversion.

impl From<f64> for Value

Owned types

fn from(f: f64) -> Self

Performs the conversion.

impl<'a> From<&'a f64> for Value

For borrowed types

fn from(f: &'a f64) -> Self

Performs the conversion.

impl<'a> From<&'a Option<f64>> for Value

for borrowed option types

fn from(f: &'a Option<f64>) -> Self

Performs the conversion.

impl From<Vec<u8>> for Value

Owned types

fn from(f: Vec<u8>) -> Self

Performs the conversion.

impl<'a> From<&'a Vec<u8>> for Value

For borrowed types

fn from(f: &'a Vec<u8>) -> Self

Performs the conversion.

impl<'a> From<&'a Option<Vec<u8>>> for Value

for borrowed option types

fn from(f: &'a Option<Vec<u8>>) -> Self

Performs the conversion.

impl From<char> for Value

Owned types

fn from(f: char) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a char) -> Self

Performs the conversion.

impl<'a> From<&'a Option<char>> for Value

for borrowed option types

fn from(f: &'a Option<char>) -> Self

Performs the conversion.

impl From<String> for Value

Owned types

fn from(f: String) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a String) -> Self

Performs the conversion.

impl<'a> From<&'a Option<String>> for Value

for borrowed option types

fn from(f: &'a Option<String>) -> Self

Performs the conversion.

impl From<&'static str> for Value

Owned types

fn from(f: &'static str) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a &'static str) -> Self

Performs the conversion.

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

for borrowed option types

fn from(f: &'a Option<&'static str>) -> Self

Performs the conversion.

impl From<Uuid> for Value

Owned types

fn from(f: Uuid) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a Uuid) -> Self

Performs the conversion.

impl<'a> From<&'a Option<Uuid>> for Value

for borrowed option types

fn from(f: &'a Option<Uuid>) -> Self

Performs the conversion.

impl From<NaiveDate> for Value

Owned types

fn from(f: NaiveDate) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a NaiveDate) -> Self

Performs the conversion.

impl<'a> From<&'a Option<NaiveDate>> for Value

for borrowed option types

fn from(f: &'a Option<NaiveDate>) -> Self

Performs the conversion.

impl From<NaiveTime> for Value

Owned types

fn from(f: NaiveTime) -> Self

Performs the conversion.

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

For borrowed types

fn from(f: &'a NaiveTime) -> Self

Performs the conversion.

impl<'a> From<&'a Option<NaiveTime>> for Value

for borrowed option types

fn from(f: &'a Option<NaiveTime>) -> Self

Performs the conversion.

impl From<DateTime<Utc>> for Value

Owned types

fn from(f: DateTime<Utc>) -> Self

Performs the conversion.

impl<'a> From<&'a DateTime<Utc>> for Value

For borrowed types

fn from(f: &'a DateTime<Utc>) -> Self

Performs the conversion.

impl<'a> From<&'a Option<DateTime<Utc>>> for Value

for borrowed option types

fn from(f: &'a Option<DateTime<Utc>>) -> Self

Performs the conversion.

impl From<Vec<String>> for Value

fn from(f: Vec<String>) -> Value

Performs the conversion.

impl<'a> From<&'a Vec<String>> for Value

fn from(f: &Vec<String>) -> Value

Performs the conversion.

impl<'a> From<&'a Value> for Vec<String>

fn from(v: &'a Value) -> Vec<String>

Performs the conversion.

impl<'a> TryFrom<&'a Value> for String

Char can be casted into String and they havea separate implementation for extracting data

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for bool

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for i8

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for i16

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for i32

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for i64

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for f32

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for f64

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Vec<u8>

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for char

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Uuid

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for NaiveDate

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for DateTime<Utc>

try from to owned

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<bool>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<i8>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<i16>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<i32>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<i64>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<f32>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<f64>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<Vec<u8>>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<char>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<String>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<Uuid>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<NaiveDate>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.

impl<'a> TryFrom<&'a Value> for Option<DateTime<Utc>>

try from to Option

type Error = ConvertError

🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

fn try_from(value: &'a Value) -> Result<Self, Self::Error>

🔬 This is a nightly-only experimental API. (try_from)

Performs the conversion.