| Server IP : 103.175.220.74 / Your IP : 216.73.216.151 Web Server : nginx/1.18.0 System : Linux p-floo-wj1-db 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 User : deploy ( 1003) PHP Version : 7.4.3-4ubuntu2.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/share/doc/postgresql-12/examples/ |
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DROP TABLE mdt; CREATE TABLE mdt ( id int4, idesc text, moddate timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL ); CREATE TRIGGER mdt_moddatetime BEFORE UPDATE ON mdt FOR EACH ROW EXECUTE PROCEDURE moddatetime (moddate); INSERT INTO mdt VALUES (1, 'first'); INSERT INTO mdt VALUES (2, 'second'); INSERT INTO mdt VALUES (3, 'third'); SELECT * FROM mdt; UPDATE mdt SET id = 4 WHERE id = 1; UPDATE mdt SET id = 5 WHERE id = 2; UPDATE mdt SET id = 6 WHERE id = 3; SELECT * FROM mdt;