assert_valid_extension_nodes

datafusion_expr::logical_plan::invariants

Function assert_valid_extension_nodes 

Source 
fn assert_valid_extension_nodes(
    plan: &LogicalPlan,
    check: InvariantLevel,
) -> Result<()>
Expand description

Asserts that the query plan, and subplan, extension nodes have valid invariants.

Refer to UserDefinedLogicalNode::check_invariants for more details of user-provided extension node invariants.