LLM X/Twitter Apr 5, 2026 1 min read
Together Research says LLMs can patch faulty database query plans instead of regenerating them from scratch, and claims up to 4.78x speedups on some TPC-H and TPC-DS workloads. The tweet points to DBPlanBench, a DataFusion-based harness that exposes a physical operator graph to an LLM and uses iterative search to refine plan edits.