Век живи, век учись
Mar. 12th, 2011 12:00 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
metaclassВнезапно: жизнь заставила узнать как правильно сравнивать поля в базах данных на равенство/неравенство:
A IS NOT DISTINCT FROM B
A IS DISTINCT FROM B
A IS NOT DISTINCT FROM B
A IS DISTINCT FROM B
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no subject
Date: 2011-03-12 12:17 pm (UTC)