Enum SetVariable 

pub enum SetVariable<'a> {
    Named(QualifiedName<'a>),
    User {
        at_span: Span,
        name: Identifier<'a>,
    },
    System {
        global: Option<Span>,
        session: Option<Span>,
        dot_span: Span,
        name: Identifier<'a>,
    },
    SystemBare {
        at_at_span: Span,
        name: Identifier<'a>,
    },
}

The target name of a SET assignment

Variants

Named(QualifiedName<'a>)

Plain (possibly qualified) identifier, e.g. SET \x` = 1` inside stored routines

User

User-defined variable: SET @name = expr

Fields

at_span: Span

name: Identifier<'a>

System

System variable with explicit scope qualifier: SET @@GLOBAL.name = expr or SET @@SESSION.name = expr

Fields

global: Option<Span>

session: Option<Span>

dot_span: Span

name: Identifier<'a>

SystemBare

System variable without explicit scope: SET @@name = expr

Fields

at_at_span: Span

name: Identifier<'a>

Trait Implementations

impl<'a> Clone for SetVariable<'a>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for SetVariable<'a>

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

Formats the value using the given formatter.

impl Spanned for SetVariable<'_>

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