Enum Value

pub enum Value<'a> {
    Name(Name<'a>),
    TableName(Vec<Name<'a>>),
    Field(Option<Name<'a>>, Option<&'a Type>),
    Tuple(Vec<Value<'a>>),
    List(Vec<Value<'a>>),
    Reference(i32),
    Expression(&'a Expression),
    AggregateFunction(&'a AggregateFunction),
    Missing(PlanError),
    Enum(Cow<'a, str>),
    Integer(i32),
}

Variants

Name(Name<'a>)

TableName(Vec<Name<'a>>)

Field(Option<Name<'a>>, Option<&'a Type>)

Tuple(Vec<Value<'a>>)

List(Vec<Value<'a>>)

Reference(i32)

Expression(&'a Expression)

AggregateFunction(&'a AggregateFunction)

Missing(PlanError)

Represents a missing, invalid, or unspecified value.

Enum(Cow<'a, str>)

Represents a valid enum value as a string for textification.

Integer(i32)

Implementations

impl<'a> Value<'a>

pub fn expect(maybe_value: Option<Self>, f: impl FnOnce() -> PlanError) -> Self

Trait Implementations

impl<'a> Clone for Value<'a>

fn clone(&self) -> Value<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Value<'a>

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

Formats the value using the given formatter.

impl<'a> From<&'a SortField> for Value<'a>

fn from(sf: &'a SortField) -> Self

Converts to this type from the input type.

impl<'a, T: ValueEnum + ?Sized> From<&'a T> for Value<'a>

fn from(enum_val: &'a T) -> Self

Converts to this type from the input type.

impl<'a> From<Result<Vec<Name<'a>>, PlanError>> for Value<'a>

fn from(token: Result<Vec<Name<'a>>, PlanError>) -> Self

Converts to this type from the input type.

impl<'a> Textify for Value<'a>

fn name() -> &'static str

fn textify<S: Scope, W: Write>(&self, ctx: &S, w: &mut W) -> Result