{"id":"pipeline-run-returns-list","text":"`Pipeline.run()` materializes all output records into a `list`, while `run_lazy()` returns an iterator that yields records on demand without full materialization.","truth_value":"IN","source":"entries/2026/05/29/batch-word-count-test_pipeline.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"pipeline-run-returns-list","truth_value":"IN","reason":"premise"}]}}