Trait PlanExpr 

pub trait PlanExpr:
    OptimizableExpr
    + Eval
    + Interpretable
    + Send
    + Sync
    + 'static { }

The scalar expression type of a source’s MfpPlan: anything the plan can evaluate per row and the filter-pushdown interpreter can summarize per part.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<X: OptimizableExpr + Eval + Interpretable + Send + Sync + 'static> PlanExpr for X