java - "contextual lob creation"在JDBC中是什么意思？

Question

关于如何在导致错误时禁用它的问题和答案有很多，但此功能到底有什么作用？

Answer 1

你检查过这个帖子吗:Disabling contextual LOB creation as createClob() method threw error

在那里你可以喜欢源评论

Basically here we are simply checking whether we can call the java.sql.Connection methods for LOB creation added in JDBC 4. We not only check whether the java.sql.Connection declares these methods, but also whether the actual java.sql.Connection instance implements them (i.e. can be called without simply throwing an exception).