should be it

external/duckdb/extension/tpcds/dsdgen/include/dsdgen.hpp

@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                         DuckDB
+//
+// dsdgen.hpp
+//
+//
+//===----------------------------------------------------------------------===//
+
+#pragma once
+
+#include "duckdb.hpp"
+#include "duckdb/catalog/catalog.hpp"
+#include "duckdb/common/types/data_chunk.hpp"
+
+namespace duckdb {
+class ClientContext;
+}
+
+namespace tpcds {
+
+struct DSDGenWrapper {
+	//! Create the TPC-DS tables in the given schema with the given suffix
+	static void CreateTPCDSSchema(duckdb::ClientContext &context, std::string catalog, std::string schema, std::string suffix, bool keys,
+	                              bool overwrite);
+	//! Generate the TPC-DS data of the given scale factor
+	static void DSDGen(double scale, duckdb::ClientContext &context, std::string catalog, std::string schema, std::string suffix);
+
+	static uint32_t QueriesCount();
+	//! Gets the specified TPC-DS Query number as a string
+	static std::string GetQuery(int query);
+	//! Returns the CSV answer of a TPC-DS query
+	static std::string GetAnswer(double sf, int query);
+};
+
+} // namespace tpcds