在选择语句上插入

Question

我正在尝试在选择语句中插入...如果可能的话？ mySQL

Insert into listeners (TotalSessionTime) = (SELECT TIMEDIFF(StopTime, StartTime) from listeners where ID = 48);

Answer 1

你很亲近

Insert into listeners (TotalSessionTime)
   SELECT TIMEDIFF(StopTime, StartTime) from listeners where ID = 48;