适配器探测事件表以便得到事件记录，从相应的数据源中检索相关的事件数据，然后创建ASBO并把它发送到集成代理上。
The adapter polls the event table for event records, retrieves associated event data from the corresponding data source, and creates and sends ASBO's to the integration broker.
我们选择了数据库，命名为rss_agg，并编写了一条十分简单的select语句从feeds表中检索所有记录。
We selected our database, named rss_agg and wrote a very simple select statement to retrieve all records from the feeds table.
只要您从数据库中检索新行，该行就会由其主键记录到标识表中，并且会创建一个新的对象。
Whenever you retrieve a new row from the database, the row is logged in an identity table by its primary key, and a new object is created.
只要您从数据库中检索新行，该行就会由其主键记录到标识表中，并且会创建一个新的对象。
Whenever you retrieve a new row from the database, the row is logged in an identity table by its primary key, and a new object is created.
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