Struct ExprProjection 

pub struct ExprProjection {
    pub alias: String,
    pub expr: Expr,
}

Expression-backed projection.

Fields

alias: String

Output name.

expr: Expr

Expression.

Implementations

impl ExprProjection

pub fn new(alias: impl Into<String>, expr: Expr) -> ExprProjection

Create an expression projection.

Trait Implementations

impl Clone for ExprProjection

fn clone(&self) -> ExprProjection

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExprProjection

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ExprProjection

fn deserialize<__D>( __deserializer: __D, ) -> Result<ExprProjection, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<ExprProjection> for Projection

fn from(value: ExprProjection) -> Projection

Converts to this type from the input type.

impl PartialEq for ExprProjection

fn eq(&self, other: &ExprProjection) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ExprProjection

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ExprProjection