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#pragma once
#include <optional>
#include <Core/SettingsFields.h>
namespace DB
{
struct SettingFieldOptionalString
{
std::optional<String> value;
explicit SettingFieldOptionalString(const std::optional<String> & value_) : value(value_) {}
explicit SettingFieldOptionalString(const Field & field);
explicit operator Field() const { return Field(value ? toString(*value) : ""); }
};
}
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