Trait ExprProjection 

pub trait ExprProjection {
    // Required method
    fn project(&self, path: &SelectExpr) -> Option<AnyValue<'static>>;
}

Required Methods

fn project(&self, path: &SelectExpr) -> Option<AnyValue<'static>>

Implementations on Foreign Types

impl ExprProjection for f32

fn project(&self, _: &SelectExpr) -> Option<AnyValue<'static>>

impl ExprProjection for i32

fn project(&self, _: &SelectExpr) -> Option<AnyValue<'static>>

impl<T> ExprProjection for Vec<T>

where T: Clone + Into<AnyValue<'static>>,

fn project(&self, selector: &SelectExpr) -> Option<AnyValue<'static>>

impl<T> ExprProjection for HashMap<String, T>

where T: Clone + Into<AnyValue<'static>>,

fn project(&self, selector: &SelectExpr) -> Option<AnyValue<'static>>

Implementors

impl<'a> ExprProjection for AnyValue<'a>