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