If the attribute's value matches one of the invalid values, the warning message is shown.
如果属性的值与一个无效值相符合,那么就会出现警告信息了。
An SQL state with a value of 00000 indicates success, whereas a class value of 01 indicates warning conditions, such as data truncation.
SQL状态为00000值就表示成功,类值为01就表示警告,比如数据截断。
But, here's a warning: Things get a little trickier when dealing with a lot of value types, so here are some issues to take into consideration.
但是,必须提醒:当处理许多值类型时,事情会变得比较麻烦,因此需要考虑以下问题。
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