eldenmoon commented on code in PR #65561:
URL: https://github.com/apache/doris/pull/65561#discussion_r3575719750
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be/src/core/data_type/data_type_variant.cpp:
##########
@@ -24,27 +24,72 @@
#include <string.h>
#include <cassert>
+#include <limits>
#include <memory>
#include <utility>
#include <vector>
#include "agent/be_exec_version_manager.h"
+#include "common/exception.h"
#include "core/assert_cast.h"
#include "core/column/column.h"
+#include "core/column/column_const.h"
+#include "core/column/column_nullable.h"
+#include "core/column/column_string.h"
#include "core/column/column_variant.h"
+#include "core/column/column_variant_v2.h"
#include "core/data_type/data_type.h"
#include "core/data_type/data_type_factory.hpp"
+#include "core/data_type/data_type_jsonb.h"
+#include "core/data_type/data_type_nullable.h"
+#include "core/data_type/data_type_variant_v2_exchange.h"
#include "core/typeid_cast.h"
#include "core/types.h"
#include "util/json/path_in_data.h"
+#include "util/jsonb_writer.h"
#include "util/string_util.h"
+#include "util/variant/variant_jsonb.h"
namespace doris {
class IColumn;
} // namespace doris
namespace doris {
+namespace {
+
+MutableColumnPtr bridge_variant_v2_to_legacy(const IColumn& source, int32_t
max_subcolumns_count,
Review Comment:
不考虑v1->v2互相兼容，删除这部分代码， 如果无法删除说明原因
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