Enum CsvColumns

pub enum CsvColumns {
    Count(u64),
    Header {
        names: Vec<Ident>,
    },
}

Variants

Count(u64)

WITH count COLUMNS

Header

WITH HEADER (ident, ...)?: names is empty if there are no names specified

Fields

names: Vec<Ident>

Trait Implementations

impl AstDisplay for CsvColumns

fn fmt<W: Write>(&self, f: &mut AstFormatter<W>)

fn to_ast_string(&self) -> String

fn to_ast_string_stable(&self) -> String

fn to_ast_string_redacted(&self) -> String

impl Clone for CsvColumns

fn clone(&self) -> CsvColumns

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for CsvColumns

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

Formats the value using the given formatter.

impl<T: AstInfo, T2: AstInfo> FoldNode<T, T2> for CsvColumns

type Folded = CsvColumns

fn fold<F: Fold<T, T2>>(self, folder: &mut F) -> Self::Folded

impl Hash for CsvColumns

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

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 PartialEq for CsvColumns

fn eq(&self, other: &CsvColumns) -> 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<'ast, T: AstInfo> VisitMutNode<'ast, T> for CsvColumns

fn visit_mut<V: VisitMut<'ast, T>>(&'ast mut self, visitor: &mut V)

impl<'ast, T: AstInfo> VisitNode<'ast, T> for CsvColumns

fn visit<V: Visit<'ast, T>>(&'ast self, visitor: &mut V)

impl Eq for CsvColumns

impl StructuralPartialEq for CsvColumns