https://github.com/DataManagementLab/zero-shot-cost-estimation/blob/9ceabbdd753b6ce0c21a23cd6e64214e60e1197c/cross_db_benchmark/benchmark_tools/generate_workload.py#L208 Correct line would be: `join_kw = "JOIN" if not left_outer else "LEFT OUTER JOIN"` (not added)