' where mc='pgxz'; UPDATE 0 teledb=# update t_row_lock set mc='postgresql' where mc='teledb'; UPDATE 1select...for update 获取会话1teledb=# begin; BEGIN teledb=# set lock_timeout to 1; SET teledb=# select * from t_row_lock where mc='postgresql' for update
' where mc='pgxz'; UPDATE 0 teledb=# update t_row_lock set mc='postgresql' where mc='teledb'; UPDATE 1select...for update 获取会话1teledb=# begin; BEGIN teledb=# set lock_timeout to 1; SET teledb=# select * from t_row_lock where mc='postgresql' for update
' where mc='pgxz'; UPDATE 0 teledb=# update t_row_lock set mc='postgresql' where mc='teledb'; UPDATE 1select...for update 获取会话1teledb=# begin; BEGIN teledb=# set lock_timeout to 1; SET teledb=# select * from t_row_lock where mc='postgresql' for update
' where mc='pgxz'; UPDATE 0 teledb=# update t_row_lock set mc='postgresql' where mc='teledb'; UPDATE 1select...for update 获取会话1teledb=# begin; BEGIN teledb=# set lock_timeout to 1; SET teledb=# select * from t_row_lock where mc='postgresql' for update
' where mc='pgxz'; UPDATE 0 teledb=# update t_row_lock set mc='postgresql' where mc='teledb'; UPDATE 1select...for update 获取会话1teledb=# begin; BEGIN teledb=# set lock_timeout to 1; SET teledb=# select * from t_row_lock where mc='postgresql' for update
chage -l 用户名 例如查看root用户密码有效期,则执行 chage -l root ,执行后结果如下: [root@xxx ~]#chage -l root Last password change : Sep 12, 2021 Password expires : never Password inactive : never Account expires : never Minimum number of days between password change : 0 Maximum