Struct SelectExpr 

pub struct SelectExpr {
    pub expr: Expr,
    pub alias: Option<String>,
}

SELECT 절의 컬럼 표현식

Fields

expr: Expr

alias: Option<String>

출력 키 별칭 (upper(name) as name_upper 에서 name_upper)

Trait Implementations

impl Clone for SelectExpr

fn clone(&self) -> SelectExpr

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SelectExpr

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

Formats the value using the given formatter.

impl PartialEq for SelectExpr

fn eq(&self, other: &SelectExpr) -> 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 StructuralPartialEq for SelectExpr