有两组数据,只要user_ids等于user_id那么就兴建一列打上1否则打上0
user_id
9dfb62430c4348a486f014cb14b4a863
e7cda4f2e1f64f0081a48c688eaa12d5
72b0f73cbfb040bda38ab0b0ff809414
3c42a8b0d45d4ac4aeb2c1cb58bec83b
user_ids
e7cda4f2e1f64f0081a48c688eaa12d5
9dfb62430c4348a486f014cb14b4a863
1
72b0f73cbfb040bda38ab0b0ff809414
数据太大怎么找相同的,类型是字符串