echo "ALTER TABLE $table ADD COLUMN created_at_ TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP after created_at;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
echo "UPDATE $table SET created_at_=from_unixtime(created_at);" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
echo "ALTER TABLE $table DROP COLUMN created_at, CHANGE COLUMN created_at_ created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
echo "ALTER TABLE $table ADD COLUMN created_at_ TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP after created_at;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
echo "UPDATE $table SET created_at_=from_unixtime(created_at);" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1
echo "ALTER TABLE $table DROP COLUMN created_at, CHANGE COLUMN created_at_ created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;" | $DBCMD || ! echo "ERROR. Aborted!" || exit -1