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Groups > comp.lang.java.programmer > #37115
| From | Patrick Roemer <sangamon@netcologne.de> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Is this the way to work with try with resources |
| Date | 2017-08-09 22:08 +0200 |
| Organization | news.netcologne.de |
| Message-ID | <omfq30$t9$1@newsreader4.netcologne.de> (permalink) |
| References | <87poc6wb9n.fsf@munus.decebal.nl> <87lgmtwels.fsf@munus.decebal.nl> <slrnoolmbl.o2q.avl@logic.at> <8760dxuhzl.fsf@munus.decebal.nl> <slrnoomfkk.o2q.avl@logic.at> |
Responding to Andreas Leitgeb:
> Cecil Westerhof <Cecil@decebal.nl> wrote:
>> Andreas Leitgeb <avl@logic.at> writes:
>>> Cecil Westerhof <Cecil@decebal.nl> wrote:
>>>> private static void statistics() {
>>>> try (ResultSet rsTotal = executeQuery(COUNT_TOTAL_PROV);
>>>> ResultSet rsUnused = executeQuery(COUNT_UNUSED_PROV);
>>>> ResultSet rsUsed = executeQuery(COUNT_USED_PROV)) {
>>> and
>>>> private static ResultSet executeQuery(String query) throws SQLException {
>>>> return conn.createStatement().executeQuery(query);
>>>> }
[...]
> Now, in that snippet above, it would (3 times) create a statement, then execute
> a query to get a resultset. If one of the queries went wrong, then the
> try would auto-close any previously obtained resultsets, but it would not
> do anything on the statements - in particular: not clean them up.
The statements won't be closed, no matter whether the queries succeed or
fail. The try-with-resources will only take care of closing the result
sets. (And it will do so independent of any exceptions triggered in the
process.)
Best regards,
Patrick
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Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-08 13:26 +0200
Re: Is this the way to work with try with resources Martin Gregorie <martin@address-in-sig.invalid> - 2017-08-08 12:51 +0000
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 07:10 +0200
Re: Is this the way to work with try with resources Patrick Roemer <sangamon@netcologne.de> - 2017-08-08 18:29 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 07:20 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 07:16 +0200
Re: Is this the way to work with try with resources Patrick Roemer <sangamon@netcologne.de> - 2017-08-08 19:30 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 06:49 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 07:01 +0200
Re: Is this the way to work with try with resources Patrick Roemer <sangamon@netcologne.de> - 2017-08-09 15:39 +0200
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-08 21:25 -0400
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-08 21:36 -0400
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 07:29 +0200
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-09 20:53 -0400
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-09 23:03 -0400
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-08 21:48 -0400
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 07:24 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 06:26 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 08:30 +0200
Re: Is this the way to work with try with resources Andreas Leitgeb <avl@logic.at> - 2017-08-09 09:40 +0000
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 12:56 +0200
Re: Is this the way to work with try with resources Andreas Leitgeb <avl@logic.at> - 2017-08-09 16:51 +0000
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 19:37 +0200
Re: Is this the way to work with try with resources Andreas Leitgeb <avl@logic.at> - 2017-08-09 19:51 +0000
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 22:20 +0200
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 23:17 +0200
Re: Is this the way to work with try with resources Patrick Roemer <sangamon@netcologne.de> - 2017-08-09 22:08 +0200
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-09 18:07 -0400
Re: Is this the way to work with try with resources Arne Vajhøj <arne@vajhoej.dk> - 2017-08-09 18:05 -0400
Re: Is this the way to work with try with resources Cecil Westerhof <Cecil@decebal.nl> - 2017-08-09 06:39 +0200
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