Note that the test for null values is gone from the for statement, because you want to handle that condition by writing a diagnostic record.
注意,对null值的检查从for语句中消失了,因为希望通过写诊断记录来处理这种情况。
Note: at the time of writing, there is a bug that affects xclock when desktop effects are enabled.
注意:在撰写本文时,有一个bug在启用桌面效果时会影响xclock。
Note: This article assumes that you're an application developer or DBA, who is already familiar with writing SQL stored procedures.
注意:本文假设您是应用程序开发人员或 DBA,而且已经熟悉如何编写 SQL 存储过程。
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