Enum Error 

pub enum Error {
    InvalidToken(LocInfo),
    UnrecognizedEof(LocInfo, Vec<String>),
    UnrecognizedToken(LocInfo, Vec<String>),
    ExtraToken(LocInfo),
    UnrecognizedSelector(LocInfo),
    DuplicatedKeyInFrom(LocInfo),
    DuplicatedSelectorName(LocInfo),
    InvalidNumericValue(LocInfo),
}

Parse failure produced while parsing a PQL source.

Variants

InvalidToken(LocInfo)

Token is not recognized by the lexer.

UnrecognizedEof(LocInfo, Vec<String>)

Input ended before the parser expected.

UnrecognizedToken(LocInfo, Vec<String>)

Token is not valid in this position.

ExtraToken(LocInfo)

Trailing token after a complete parse.

UnrecognizedSelector(LocInfo)

Selector name is not one of the supported aggregates.

DuplicatedKeyInFrom(LocInfo)

from clause contains the same key more than once.

DuplicatedSelectorName(LocInfo)

Two selectors share the same alias.

InvalidNumericValue(LocInfo)

Numeric literal is not a valid number.

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl From<&Error> for LocInfo

fn from(e: &Error) -> Self

Converts to this type from the input type.

impl<'input> From<ParseError<usize, Token<'input>, Error>> for Error

fn from(err: ParseError<Loc, Token<'input>, Error>) -> Self

Converts to this type from the input type.

impl PartialEq for Error

fn eq(&self, other: &Error) -> 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 Eq for Error

impl StructuralPartialEq for Error