QED, the Query Equivalence Decider
A SQL parser that compiles SQL queries to intermediate representations for the prover and disprover. A prover that validates the equivalence of queries. The prover may produce false negative results, where the queries are equivalent but the prover cannot prove it.
Aug 30, 2024 · In this paper, we present Qed, a new framework for query equivalence checking based on bag semantics. Qed uses a new formalism called Q-expressions.
Sep 23, 2024 · QED is the name of one of the earliest line-oriented text editors. Post-Chomsky paper, and Post-Kleene paper, Thompson used their work to ...
Empirically, Qed can verify 299 out of 444 query pairs extracted from the Calcite framework and 979 out of. 1287 query pairs extracted from CockroachDB, which ...
Aug 24, 2024 · Vol:17 No:11 → QED: A Powerful Query Equivalence Decider for SQL https://vldb.org/pvldb/vol17/p3602-wang.pdf… Image. 10:30 AM · Aug 24, 2024.
Oct 22, 2024 · Qed uses a new formalism called Q-expressions that models queries using different normal forms for efficient equivalence checking, and models ...
A SQL query equivalence prover in Rust aiming for high performance and wide SQL feature coverage. The project starts as a successor of the Cosette prover.
Sep 23, 2024 · QED: A Powerful Query Equivalence Decider for SQL [pdf] (vldb.org). 1 point by matt_d 12 minutes ago | hide | past | favorite | discuss ...
Jun 19, 2024 · In this paper, we study if LLMs can be used to determine the equivalence between SQL queries under two notions of SQL equivalence (semantic equivalence and ...
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Oct 23, 2024 · https://dblp.org/rec/journals/pvldb/WangPC24. Shuxian Wang, Sicheng Pan, Alvin Cheung: QED: A Powerful Query Equivalence Decider for SQL.