support table lock #49
Description
have a case like that
before insert into table A ,i need select count(x) as sum from tableA .
if sum < Y ,then insert .
so i want to have a table lock before count
{{ message }}
have a case like that
before insert into table A ,i need select count(x) as sum from tableA .
if sum < Y ,then insert .
so i want to have a table lock before count