Preprint
Jul 2026
DRL: A Deterministic Relational Middleware Layer for Transaction-Safe Enterprise NL2SQL Under Schema-Graph Scaling
A single regex defect in the evaluation post-processor silently suppressed accuracy and manufactured a false 4-10% cross-vendor gap that vanished when corrected, showing that benchmark code deserves the same scrutiny as the models it scores.
Sanjay Mishra, Divya Chukkapalli, Ganesh R. Naik
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