bugfix：目录订阅收到更新事件时，sql字段update_time为空导致的报错

lishuyuan

2023-11-02 8bd2f47c9a92ffcf5ae43fae965eaefd4748e263

 src/main/java/com/genersoft/iot/vmp/service/impl/GbStreamServiceImpl.java

@@ -18,6 +18,7 @@
import org.springframework.stereotype.Service;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.ObjectUtils;

import java.util.ArrayList;
@@ -263,4 +264,9 @@
            eventPublisher.catalogEventPublish(platformId, deviceChannelList, CatalogEvent.DEL);
        }
    }

    @Override
    public List<GbStream> getGbChannelWithGbid(String gbId) {
        return gbStreamMapper.selectByGBId(gbId);
    }
}