Method plan_binary_op

datafusion/expr/src/planner.rs:155–161

Plan the binary operation between two expressions, returns original BinaryExpr if not possible

(
        &self,
        expr: RawBinaryExpr,
        _schema: &DFSchema,
    )

    /// Plan the binary operation between two expressions, returns original
    /// BinaryExpr if not possible
    fn plan_binary_op(
        &self,
        expr: RawBinaryExpr,
        _schema: &DFSchema,
    ) -> Result<PlannerResult<RawBinaryExpr>> {
        Ok(PlannerResult::Original(expr))
    }

    /// Plan the field access expression, such as `foo.bar`
    ///