This repository contains:
- A semantic diff algorithm for XML documents (
npm run main) - A visualization tool for differences between normalized query plans, which makes use of the semantic diff algorithm (
npm run start).
You can try out the query plan visualizer at https://toemmsche.github.io/semantic-diff/.
Query plans for TPC-H and TPC-DS queries for the RDBMS Umbra, HyPer, and DuckDB are preloaded.