datafusion-python 54.0.0

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use pyo3::{Bound, PyAny, PyResult, Python};

use crate::sql::logical::PyLogicalPlan;

/// Representation of a `LogicalNode` in the in overall `LogicalPlan`
/// any "node" shares these common traits in common.
pub trait LogicalNode {
    /// The input plan to the current logical node instance.
    fn inputs(&self) -> Vec<PyLogicalPlan>;

    fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>>;
}