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#pragma once
#include <Analyzer/IQueryTreePass.h>
namespace DB
{
/** Eliminate tuples from ORDER BY.
*
* Example: SELECT * FROM test_table ORDER BY (a, b);
* Result: SELECT * FROM test_table ORDER BY a, b;
*/
class OrderByTupleEliminationPass final : public IQueryTreePass
{
public:
String getName() override { return "OrderByTupleElimination"; }
String getDescription() override { return "Remove tuple from ORDER BY."; }
void run(QueryTreeNodePtr query_tree_node, ContextPtr context) override;
};
}
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