Enum Token

Source
pub enum Token {
Show 50 variants EOF, Word(Word), Number(String, bool), Char(char), SingleQuotedString(String), NationalStringLiteral(String), HexStringLiteral(String), Comma, Whitespace(Whitespace), DoubleEq, Eq, Neq, Lt, Gt, LtEq, GtEq, Spaceship, Plus, Minus, Mult, Div, Mod, StringConcat, LParen, RParen, Period, Colon, DoubleColon, SemiColon, Backslash, LBracket, RBracket, Ampersand, Pipe, Caret, LBrace, RBrace, RArrow, Sharp, Tilde, TildeAsterisk, ExclamationMarkTilde, ExclamationMarkTildeAsterisk, ShiftLeft, ShiftRight, ExclamationMark, DoubleExclamationMark, AtSign, PGSquareRoot, PGCubeRoot,
}
Expand description

SQL Token enumeration

Variants§

§

EOF

An end-of-file marker, not a real token

§

Word(Word)

A keyword (like SELECT) or an optionally quoted SQL identifier

§

Number(String, bool)

An unsigned numeric literal

§

Char(char)

A character that could not be tokenized

§

SingleQuotedString(String)

Single quoted string: i.e: ‘string’

§

NationalStringLiteral(String)

“National” string literal: i.e: N’string’

§

HexStringLiteral(String)

Hexadecimal string literal: i.e.: X’deadbeef’

§

Comma

Comma

§

Whitespace(Whitespace)

Whitespace (space, tab, etc)

§

DoubleEq

Double equals sign ==

§

Eq

Equality operator =

§

Neq

Not Equals operator <> (or != in some dialects)

§

Lt

Less Than operator <

§

Gt

Greater Than operator >

§

LtEq

Less Than Or Equals operator <=

§

GtEq

Greater Than Or Equals operator >=

§

Spaceship

Spaceship operator <=>

§

Plus

Plus operator +

§

Minus

Minus operator -

§

Mult

Multiplication operator *

§

Div

Division operator /

§

Mod

Modulo Operator %

§

StringConcat

String concatenation ||

§

LParen

Left parenthesis (

§

RParen

Right parenthesis )

§

Period

Period (used for compound identifiers or projections into nested types)

§

Colon

Colon :

§

DoubleColon

DoubleColon :: (used for casting in postgresql)

§

SemiColon

SemiColon ; used as separator for COPY and payload

§

Backslash

Backslash \ used in terminating the COPY payload with \.

§

LBracket

Left bracket [

§

RBracket

Right bracket ]

§

Ampersand

Ampersand &

§

Pipe

Pipe |

§

Caret

Caret ^

§

LBrace

Left brace {

§

RBrace

Right brace }

§

RArrow

Right Arrow =>

§

Sharp

Sharp # used for PostgreSQL Bitwise XOR operator

§

Tilde

Tilde ~ used for PostgreSQL Bitwise NOT operator or case sensitive match regular expression operator

§

TildeAsterisk

~* , a case insensitive match regular expression operator in PostgreSQL

§

ExclamationMarkTilde

!~ , a case sensitive not match regular expression operator in PostgreSQL

§

ExclamationMarkTildeAsterisk

!~* , a case insensitive not match regular expression operator in PostgreSQL

§

ShiftLeft

<<, a bitwise shift left operator in PostgreSQL

§

ShiftRight

>>, a bitwise shift right operator in PostgreSQL

§

ExclamationMark

Exclamation Mark ! used for PostgreSQL factorial operator

§

DoubleExclamationMark

Double Exclamation Mark !! used for PostgreSQL prefix factorial operator

§

AtSign

AtSign @ used for PostgreSQL abs operator

§

PGSquareRoot

|/, a square root math operator in PostgreSQL

§

PGCubeRoot

||/ , a cube root math operator in PostgreSQL

Implementations§

Source§

impl Token

Source

pub fn make_keyword(keyword: &str) -> Self

Source

pub fn make_word(word: &str, quote_style: Option<char>) -> Self

Trait Implementations§

Source§

impl Clone for Token

Source§

fn clone(&self) -> Token

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
Source§

impl Debug for Token

Source§

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

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

impl<'de> Deserialize<'de> for Token

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 Token

Source§

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

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

impl Hash for Token

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 PartialEq for Token

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

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

impl Serialize for Token

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 Eq for Token

Source§

impl StructuralPartialEq for Token

Auto Trait Implementations§

§

impl Freeze for Token

§

impl RefUnwindSafe for Token

§

impl Send for Token

§

impl Sync for Token

§

impl Unpin for Token

§

impl UnwindSafe for Token

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> 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 = Infallible

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

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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.
Source§

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