Re: DELETE ... RETURNING
От | Thomas Kellerer |
---|---|
Тема | Re: DELETE ... RETURNING |
Дата | |
Msg-id | h3h8im$vmi$1@ger.gmane.org обсуждение исходный текст |
Ответ на | Re: DELETE ... RETURNING (Oliver Jowett <oliver@opencloud.com>) |
Список | pgsql-jdbc |
Oliver Jowett, 14.07.2009 00:35: > I took another look at this, and your code assumes that the update count > is the first result. It's not. In the case where both a resultset and an > update count are present in a single query, the driver puts the > resultset result first (so that executeQuery() works nicely). > > So your first call to getUpdateCount() returns -1 because the current > result is a resultset, not an update count (see the javadoc). Then you > call getMoreResults() which moves to the 2nd result (the update count) > and returns false because there's no resultset (again, see the javadoc). > > If you want a general-purpose result processing loop The perils of quick and dirty test programs... I actually have that generic loop already, just failed to think it through completely before posting ;) Sorry for the trouble and thanks for the help. Regards Thomas
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