Re: getUdateCount() vs. RETURNING clause
От | Oliver Jowett |
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Тема | Re: getUdateCount() vs. RETURNING clause |
Дата | |
Msg-id | 4B0C7CFE.50106@opencloud.com обсуждение исходный текст |
Ответ на | getUdateCount() vs. RETURNING clause (Thomas Kellerer <spam_eater@gmx.net>) |
Ответы |
Re: getUdateCount() vs. RETURNING clause
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Список | pgsql-jdbc |
Thomas Kellerer wrote: > boolean hasResult = pstmt.execute(); > > if (hasResult) { > ResultSet rs = pstmt.getResultSet(); > if (rs != null && rs.next()) { > int newId = rs.getInt(1); > System.out.println("newid: " + newId); > } > } > > int affected = pstmt.getUpdateCount(); > System.out.println("affected: " + affected); > > I do see the returned ID from the ResultSet but getUpdateCount() always > returns -1 even though I know that a row was updated. > What am I missing here? Update counts and result sets (for a particular result) are mutually exclusive. If getResultSet() returns non-null then getUpdateCount() must return -1; see the javadoc for those two methods. You probably want to call getMoreResults() in there somewhere to step to the next result. -O
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