datafusion_python/expr/logical_node.rs
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16// under the License.
17
18use pyo3::{Bound, PyAny, PyResult, Python};
19
20use crate::sql::logical::PyLogicalPlan;
21
22/// Representation of a `LogicalNode` in the in overall `LogicalPlan`
23/// any "node" shares these common traits in common.
24pub trait LogicalNode {
25 /// The input plan to the current logical node instance.
26 fn inputs(&self) -> Vec<PyLogicalPlan>;
27
28 fn to_variant<'py>(&self, py: Python<'py>) -> PyResult<Bound<'py, PyAny>>;
29}