Enum Value 

pub enum Value {
    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),
    QuoteDelimitedStringLiteral(QuoteDelimitedString),
    NationalQuoteDelimitedStringLiteral(QuoteDelimitedString),
    HexStringLiteral(String),
    DoubleQuotedString(String),
    Boolean(bool),
    Null,
    Placeholder(String),
}

Available on crate feature sql only.

Primitive SQL values such as number and string

Variants

Number(String, bool)

Available on non-crate feature bigdecimal only.

Numeric literal

SingleQuotedString(String)

‘string value’

DollarQuotedString(DollarQuotedString)

Dollar-quoted string literal, e.g. $$...$$ or $tag$...$tag$ (Postgres syntax).

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’

QuoteDelimitedStringLiteral(QuoteDelimitedString)

Quote delimited literal. Examples Q'{ab'c}', Q'|ab'c|', Q'|ab|c|' Oracle

NationalQuoteDelimitedStringLiteral(QuoteDelimitedString)

“National” quote delimited literal. Examples Q'{ab'c}', Q'|ab'c|', Q'|ab|c|' Oracle

HexStringLiteral(String)

X’hex value’

DoubleQuotedString(String)

Double quoted string literal, e.g. "abc".

Boolean(bool)

Boolean value true or false

Null

NULL value

Placeholder(String)

? or $ Prepared statement arg placeholder

Implementations

impl Value

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

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

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

Attach the provided span to this Value and return ValueWithSpan.

pub fn with_empty_span(self) -> ValueWithSpan

Convenience for attaching an empty span to this Value.

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl Display for Value

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

Formats the value using the given formatter.

impl From<Value> for ValueWithSpan

fn from(value: Value) -> ValueWithSpan

Converts to this type from the input type.

impl From<ValueWithSpan> for Value

fn from(value: ValueWithSpan) -> Value

Converts to this type from the input type.

impl Hash for Value

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

where __H: Hasher,

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Value

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

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 Spanned for Value

The span is stored in the ValueWrapper struct

fn span(&self) -> Span

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

impl Visit for Value

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

where V: Visitor,

Visit this node with the provided Visitor.

impl VisitMut for Value

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

where V: VisitorMut,

Mutably visit this node with the provided VisitorMut.

impl Eq for Value

impl StructuralPartialEq for Value