/* * 20241222 */ alter table wvp_device_channel add data_type integer; alter table wvp_device_channel add data_device_id integer; update wvp_device_channel wdc INNER JOIN (SELECT device_db_id from wvp_device_channel where wdc.id = id and device_db_id is not null ) ct set wdc.data_type = 1, wdc.data_device_id = ct.device_db_id where wdc.device_db_id is not null; update wvp_device_channel wdc INNER JOIN (SELECT stream_push_id from wvp_device_channel where wdc.id = id and stream_push_id is not null ) ct set wdc.data_type = 2, wdc.data_device_id = ct.stream_push_id where wdc.stream_push_id is not null; update wvp_device_channel wdc INNER JOIN (SELECT stream_proxy_id from wvp_device_channel where wdc.id = id and stream_proxy_id is not null ) ct set wdc.data_type = 3, wdc.data_device_id = ct.stream_proxy_id where wdc.stream_proxy_id is not null; alter table wvp_device_channel drop device_db_id; alter table wvp_device_channel drop stream_push_id; alter table wvp_device_channel drop stream_proxy_id;