Struct Change 

pub struct Change<'a> {
    pub change_span: Span,
    pub column_span: Option<Span>,
    pub column: Identifier<'a>,
    pub new_column: Identifier<'a>,
    pub definition: DataType<'a>,
    pub first: Option<Span>,
    pub after: Option<(Span, Identifier<'a>)>,
}

CHANGE specification

Fields

change_span: Span

Span of “CHANGE”

column_span: Option<Span>

Optional span of “COLUMN”

column: Identifier<'a>

Old name of column

new_column: Identifier<'a>

New name of column

definition: DataType<'a>

New definition of column

first: Option<Span>

Optional “FIRST”

after: Option<(Span, Identifier<'a>)>

Optional “AFTER col_name”

Trait Implementations

impl<'a> Clone for Change<'a>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Change<'a>

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

Formats the value using the given formatter.

impl<'a> Spanned for Change<'a>

fn span(&self) -> Span

Compute byte span of an ast fragment

fn join_span(&self, other: &impl OptSpanned) -> Span

Compute the minimal span containing both self and other