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Further enhancement
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@ -237,6 +237,9 @@ void SubstituteColumnOptimizer::perform()
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const auto & compare_graph = metadata_snapshot->getConstraints().getGraph();
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if (compare_graph.getNumOfComponents() == 0)
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return;
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auto run_for_all = [&](const auto func)
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{
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if (select_query->where())
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