Open access
2026
SchemaScope: How Join-Hop Depth Breaks Text-to-SQL in Large Language Models, and a Decomposition-Based Remedy
Error analysis shows that decomposition eliminates wrong join path errors—the dominant failure mode at high h —and shifts the residual error budget toward condition and aggregation mistakes that are amenable to existing post-processing methods.
Kaustubh S. Bukkapatnam, R. Malik
· Proceedings of the First Wor... · 0 citations