Method pushdownable

src/expr/src/interpret.rs:1170–1175

We say that an expression is "pushdownable" if it's either constant or dynamic.

(self)

    /// We say that an expression is "pushdownable" if it's either constant or dynamic.
    pub fn pushdownable(self) -> bool {
        match self {
            TraceSummary::Constant | TraceSummary::Dynamic => true,
            TraceSummary::Unknown => false,
        }
    }
}

impl Interpreter for Trace {