Id=0 master data, when psupervise_id is not equal to zero equals a id for child data, how to make the note after the data are arranged in the main data, whether can be adjusted by SQL statements. Bosses to solve please, thank!
CodePudding user response:
ResolvedThe order by nested if available
select * from db_supervise order by the if (psupervise_id!=0, psupervise_id, id)
CodePudding user response:
Upstairs again add a sort field:
Select * from db_supervise order by the if (psupervise_id!=0, psupervise_id, id), psupervise_id
CodePudding user response:
Case the when to go, if not too general