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    |                |
+----------+---------------------+------+-----+---------+----------------+