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bf4a113f0c
relational
/
tests_dir
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python_and_c.query
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Test cases for optimization fix Add test cases that would fail in previous versions because of the just fixed optimization.
2016-04-09 03:09:01 +07:00
πname (
σ
skill=='C' (people ⋈ skills)) ∩ π name (
σ
skill=='Python' (people ⋈ skills))