PragmaTwice commented on code in PR #2205:
URL: https://github.com/apache/kvrocks/pull/2205#discussion_r1544012479
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src/search/ir.h:
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@@ -22,33 +22,49 @@
#include <fmt/format.h>
+#include <initializer_list>
#include <limits>
#include <memory>
#include <optional>
#include <string>
+#include <type_traits>
#include <utility>
#include <variant>
#include <vector>
#include "fmt/core.h"
+#include "ir_iterator.h"
#include "string_util.h"
+#include "type_util.h"
// kqir stands for Kvorcks Query Intermediate Representation
namespace kqir {
struct Node {
virtual std::string Dump() const = 0;
+ virtual std::string_view Name() const = 0;
+ virtual std::string Content() const { return {}; }
Review Comment:
Because there's no additional information in such node. Also, even for leaf
node, if there is no additional information, it's content can also be empty.
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