如何防止ResultSet在Connection关闭时失效? [英] How to prevent a ResultSet from being invalidated on Connection close?
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问题描述
我想从执行查询并关闭连接的函数传递一个结果集。
但是,一旦其父对象连接已关闭并抛出
java.sql.SQLException:ResultSet关闭后不允许操作
$ c $ 解决方案
你不能。如果你想得到所有的数据,循环 ResultSet
并插入数据到你的集合。
请查看 commons-dbutils - 它有很多有用的帮助者。
I'd like to pass out a result set from a function that executes a query and closes the connection.
But the ResultSet gets invalidated as soon as its parent Connection is closed and throws
java.sql.SQLException: Operation not allowed after ResultSet closed
How to avoid this?
解决方案 You can't. If you want to get all the data, loop the ResultSet
and insert the data into a collection of yours.
Take a look at commons-dbutils - it has a lot of useful helpers.
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