3 papers
cs.DB2026
DAGSmith: Dependency-Aware Rewriting for dbt-Style SQL Pipelines
Jie Liu, Lin Ma, Barzan Mozafari
Modern analytics is increasingly organized as recurring SQL pipelines rather than isolated SQL statements. Tools such as dbt, which have gained extreme popularity in recent years,…
cs.DB2026
BEGIN AI TRANSACTION: Semantic Isolation for Durable AI Workflows
Barzan Mozafari
An AI execution can now outlive the environment in which it began. What once fit inside one model call increasingly unfolds across pauses, retries, branches, subagents, and model-s…
cs.DB2025
GenRewrite: Query Rewriting via Large Language Models
Jie Liu, Barzan Mozafari
Query rewriting is an effective technique for refining poorly written queries before they reach the query optimizer. However, manual rewriting is not scalable, as it is prone to er…