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| From | Cecil Westerhof <Cecil@decebal.nl> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Is it possible to use JPA and JDBC at the same time |
| Date | Mon, 17 Aug 2015 08:24:04 +0200 |
| Organization | Decebal Computing |
| Lines | 27 |
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On Friday 14 Aug 2015 02:21 CEST, Arne Vajhøj wrote: > On 8/13/2015 2:14 PM, Cecil Westerhof wrote: >> I am new to JPA and have to migrate an application from JDBC to >> JPA. There are quite some queries. Would it be possible to mix JDBC >> and JPA together? >> >> I would suppose not, but if it was possible, that would circumvent >> a big bang. > > The standard problems with using two persistence frameworks are > cache inconsistencies and transactional issues. > > I have not read the fine print in the JPA specs to say whether > this would be a problem for JPA and JDBC. > > But I would probably go for big bang JPA. Lower risk. And > with createNativeQuery you can execute SQL queries (so you > can reuse you existent SQL queries). I was afraid for that. ;-) There are a lot of queries. :-( But for testing purposes I could maybe do it class by class. -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof
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Is it possible to use JPA and JDBC at the same time Cecil Westerhof <Cecil@decebal.nl> - 2015-08-13 20:14 +0200
Re: Is it possible to use JPA and JDBC at the same time Arne Vajhøj <arne@vajhoej.dk> - 2015-08-13 20:21 -0400
Re: Is it possible to use JPA and JDBC at the same time Cecil Westerhof <Cecil@decebal.nl> - 2015-08-17 08:24 +0200
Re: Is it possible to use JPA and JDBC at the same time Arne Vajhøj <arne@vajhoej.dk> - 2015-08-17 19:43 -0400
Re: Is it possible to use JPA and JDBC at the same time Cecil Westerhof <Cecil@decebal.nl> - 2015-08-19 11:57 +0200
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