I-Rex: An Interactive Debugger for SQL
Summary: I-Rex brings GPL-style interactive debugging—stepping, watchpoints, and visual inspection—to SQL’s logical execution. Selective materialization and query rewriting enable arbitrary jumps without database preparation, persistent state, or runtime overhead. (summarized by gpt-5.6-luna on Aug 28 2026)
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Authors
- 1. Yihao Hu (Duke University)
- 2. Zian Chen (Duke University)
- 3. Zhiming Leong (Stripe)
- 4. Sharan Sokhi (Amazon)
- 5. Zachary Zheng (Meta)
- 6. Alex Chao (University of California San Diego)
- 7. Kristin Stephens-Martinez (Duke University)
- 8. Sudeepa Roy (Duke University)
- 9. Jun Yang (Duke University)
BibTeX Citation
@article{hu_vldb26,
title = {{I-Rex: An Interactive Debugger for SQL}},
author = {Hu, Yihao and Chen, Zian and Leong, Zhiming and Sokhi, Sharan and Zheng, Zachary and Chao, Alex and Stephens-Martinez, Kristin and Roy, Sudeepa and Yang, Jun},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {11},
pages = {3020--3033},
doi = {10.14778/3836663.3836670},
url = {https://doi.org/10.14778/3836663.3836670},
year = {2026}
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