Skip to main content

Value

Enum Value 

Source
pub enum Value {
Show 21 variants Number(String, bool), SingleQuotedString(String), DollarQuotedString(DollarQuotedString), TripleSingleQuotedString(String), TripleDoubleQuotedString(String), EscapedStringLiteral(String), UnicodeStringLiteral(String), SingleQuotedByteStringLiteral(String), DoubleQuotedByteStringLiteral(String), TripleSingleQuotedByteStringLiteral(String), TripleDoubleQuotedByteStringLiteral(String), SingleQuotedRawStringLiteral(String), DoubleQuotedRawStringLiteral(String), TripleSingleQuotedRawStringLiteral(String), TripleDoubleQuotedRawStringLiteral(String), NationalStringLiteral(String), HexStringLiteral(String), DoubleQuotedString(String), Boolean(bool), Null, Placeholder(String),
}
Expand description

Primitive SQL values such as number and string

Variants§

§

Number(String, bool)

Numeric literal

§

SingleQuotedString(String)

‘string value’

§

DollarQuotedString(DollarQuotedString)

§

TripleSingleQuotedString(String)

Triple single quoted strings: Example ‘’‘abc’‘’ BigQuery

§

TripleDoubleQuotedString(String)

Triple double quoted strings: Example “”“abc”“” BigQuery

§

EscapedStringLiteral(String)

e’string value’ (postgres extension) See Postgres docs for more details.

§

UnicodeStringLiteral(String)

u&‘string value’ (postgres extension) See Postgres docs for more details.

§

SingleQuotedByteStringLiteral(String)

B’string value’

§

DoubleQuotedByteStringLiteral(String)

B“string value“

§

TripleSingleQuotedByteStringLiteral(String)

Triple single quoted literal with byte string prefix. Example B'''abc''' BigQuery

§

TripleDoubleQuotedByteStringLiteral(String)

Triple double quoted literal with byte string prefix. Example B"""abc""" BigQuery

§

SingleQuotedRawStringLiteral(String)

Single quoted literal with raw string prefix. Example R'abc' BigQuery

§

DoubleQuotedRawStringLiteral(String)

Double quoted literal with raw string prefix. Example R"abc" BigQuery

§

TripleSingleQuotedRawStringLiteral(String)

Triple single quoted literal with raw string prefix. Example R'''abc''' BigQuery

§

TripleDoubleQuotedRawStringLiteral(String)

Triple double quoted literal with raw string prefix. Example R"""abc""" BigQuery

§

NationalStringLiteral(String)

N’string value’

§

HexStringLiteral(String)

X’hex value’

§

DoubleQuotedString(String)

§

Boolean(bool)

Boolean value true or false

§

Null

NULL value

§

Placeholder(String)

? or $ Prepared statement arg placeholder

Implementations§

Source§

impl Value

Source

pub fn into_string(self) -> Option<String>

If the underlying literal is a string, regardless of quote style, returns the associated string value

Source

pub fn with_span(self, span: Span) -> ValueWithSpan

Source

pub fn with_empty_span(self) -> ValueWithSpan

Trait Implementations§

Source§

impl Clone for Value

Source§

fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
Source§

impl Debug for Value

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<'de> Deserialize<'de> for Value

Source§

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
Source§

impl Display for Value

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Eq for Value

Source§

impl From<Value> for ValueWithSpan

Source§

fn from(value: Value) -> Self

Converts to this type from the input type.
Source§

impl From<ValueWithSpan> for Value

Source§

fn from(value: ValueWithSpan) -> Self

Converts to this type from the input type.
Source§

impl Hash for Value

Source§

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
Source§

impl Ord for Value

Source§

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 (const: unstable) · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 (const: unstable) · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
Source§

fn clamp_to<R>(self, range: R) -> Self
where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)
Restrict a value to a certain range. Read more
Source§

impl PartialEq for Value

Source§

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
Source§

impl PartialOrd for Value

Source§

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

This method returns an ordering between self and other values if one exists. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 (const: unstable) · Source§

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

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

impl Serialize for Value

Source§

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
Source§

impl Spanned for Value

The span is stored in the ValueWrapper struct

Source§

fn span(&self) -> Span

Return the Span (the minimum and maximum Location) for this AST node, by recursively combining the spans of its children.
Source§

impl StructuralPartialEq for Value

Source§

impl Visit for Value

Source§

fn visit<V: Visitor>(&self, visitor: &mut V) -> ControlFlow<V::Break>

Source§

impl VisitMut for Value

Source§

fn visit<V: VisitorMut>(&mut self, visitor: &mut V) -> ControlFlow<V::Break>

Auto Trait Implementations§

§

impl Freeze for Value

§

impl RefUnwindSafe for Value

§

impl Send for Value

§

impl Sync for Value

§

impl Unpin for Value

§

impl UnsafeUnpin for Value

§

impl UnwindSafe for Value

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

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

Source§

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
Source§

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T> ToString for T
where T: Display + ?Sized,

Source§

fn to_string(&self) -> String

Converts the given value to a String. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = !

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, !>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.