Extension:Echo/echo_push_topic table
mysql> describe echo_push_topic; +----------+---------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +----------+---------------------+------+-----+---------+----------------+ | ept_id | tinyint(3) unsigned | NO | PRI | NULL | auto_increment | | ept_text | tinyblob | NO | | NULL | | +----------+---------------------+------+-----+---------+----------------+