处理可能会出现的空指针异常

pei

2024-03-29 728e60ce8431fe5a70e44a1da2d4835425ce83a5

 数据库/初始化-postgresql-kingbase.sql

@@ -92,6 +92,7 @@
                                    latitude_wgs84 double precision,
                                    business_group_id character varying(50),
                                    gps_time character varying(50),
                                    stream_identification character varying(50),
                                    constraint uk_wvp_device_channel_unique_device_channel unique (device_id, channel_id)
);