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Value

Enum Value 

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pub enum Value {
Show 20 variants Integer(i32), BigInt(i64), Int128(i128), UInteger(u32), UBigInt(u64), UInt128(u128), Text(String), Enum(String), Boolean(bool), Float32(f32), Float(f64), Decimal(DecimalValue), Blob(Vec<u8>), Date(DateValue), Time(TimeValue), DateTime(DateTimeValue), TimeWithTimeZone(TimeWithTimeZoneValue), IntervalYearMonth(IntervalYearMonthValue), IntervalDaySecond(IntervalDaySecondValue), Null,
}

Variants§

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Integer(i32)

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BigInt(i64)

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Int128(i128)

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UInteger(u32)

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UBigInt(u64)

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UInt128(u128)

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Text(String)

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Enum(String)

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Boolean(bool)

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Float32(f32)

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Float(f64)

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Decimal(DecimalValue)

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Blob(Vec<u8>)

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Date(DateValue)

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Time(TimeValue)

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DateTime(DateTimeValue)

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TimeWithTimeZone(TimeWithTimeZoneValue)

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IntervalYearMonth(IntervalYearMonthValue)

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IntervalDaySecond(IntervalDaySecondValue)

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Null

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impl Value

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pub fn data_type(&self) -> DataType

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pub fn is_compatible_with(&self, data_type: DataType) -> bool

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pub fn as_integer(&self) -> Option<i32>

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pub fn as_text(&self) -> Option<String>

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pub fn as_boolean(&self) -> Option<bool>

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pub fn as_float(&self) -> Option<f64>

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pub fn as_bigint(&self) -> Option<i64>

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pub fn as_int128(&self) -> Option<i128>

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pub fn as_uint(&self) -> Option<u32>

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pub fn as_uint64(&self) -> Option<u64>

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pub fn as_uint128(&self) -> Option<u128>

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pub fn as_blob(&self) -> Option<&[u8]>

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pub fn is_null(&self) -> bool

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pub fn is_float_like(&self) -> bool

Trait Implementations§

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impl Clone for Value

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fn clone(&self) -> Value

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 Debug for Value

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

Formats the value using the given formatter. Read more
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impl FromValue for Value

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fn from_value(value: &Value) -> Result<Self>

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impl PartialEq for Value

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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impl StructuralPartialEq for Value

Auto Trait Implementations§

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impl Freeze for Value

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impl RefUnwindSafe for Value

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impl Send for Value

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impl Sync for Value

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impl Unpin for Value

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impl UnsafeUnpin for Value

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impl UnwindSafe for Value

Blanket Implementations§

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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)

🔬This 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> 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.