Is this a bug, or is it just me?
От | Josh Berkus |
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Тема | Is this a bug, or is it just me? |
Дата | |
Msg-id | web-1187561@davinci.ethosmedia.com обсуждение исходный текст |
Ответ на | Re: how to do plpgsql? (Josh Berkus <josh@agliodbs.com>) |
Ответы |
Re: Is this a bug, or is it just me?
Re: Is this a bug, or is it just me? |
Список | pgsql-sql |
Tom et al. Discovered this quirk in foriegn keys: In the preliminary version of a database, I added foriegn key constraints to a number of tables, linking them to a column in a shared reference table (status.status) that was only one-half of a composite primary key (and thus the values were not unique). When I tried to delete a row containing a "2" in the status column from the status relation, I received a Foreign Key violation error event though there were other "2"'s in the table still present. So ... is this a bug in forign key implementation, or just my fault for keying off a non-unique value? And, if the latter, is there a way I can construct a foreign key constraint that keys onto a view or query? Grazie! -Josh Berkus ______AGLIO DATABASE SOLUTIONS___________________________ Josh Berkus Complete informationtechnology josh@agliodbs.com and data management solutions (415) 565-7293 for law firms, small businesses fax 621-2533 and non-profit organizations. San Francisco
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