Re: Connections/Statements/ResultSets (Was: Re: Pooling
От | pginfo |
---|---|
Тема | Re: Connections/Statements/ResultSets (Was: Re: Pooling |
Дата | |
Msg-id | 3D6F4727.AEA36CCC@t1.unisoftbg.com обсуждение исходный текст |
Ответ на | Re: Pooling Prepared Statements (Curt Sampson <cjs@cynic.net>) |
Список | pgsql-jdbc |
Hi, João Paulo Caldas Ribeiro wrote: > I dont know about the JDBC specs but i remember that i used a Oracle > JDBC driver that only supported one 1 connection --> 1 resultset at time. I do not know what is your Oracle JDBC version, we useoracle on many prjects and do not have any problems with more resultset per connection. I think in the spec. exist nothink about it. Regards, Ivan. > I will try to find something about the specs. > > Regards. > JP > > Dave Cramer wrote: > > >The spec probably doesn't say anything but; with the way pg's driver is > >currently written you can have as many resultsets/statements open as you > >want. This is because the driver will read them all in when you do an > >executeXXX. There is a plan however to move to a cursor backed result > >set which will change the above statement. This is because a cursor must > >be executed within a transaction, and you can only have one transaction > >open per resultset. I suppose it's possible to still open a non-cursor > >based resultset while the transaction is open? > > > >Dave > > > >On Fri, 2002-08-30 at 04:34, Michael Paesold wrote: > > > > > >>Curt Sampson wrote: > >> > >> > >> > >>>On Thu, 29 Aug 2002, Michael Paesold wrote: > >>> > >>> > >>> > >>>>So it's not 1 connection -> 1 resultset at a time, but 1 statement -> 1 > >>>>resultset at a time. > >>>> > >>>> > >>>Sorry, but there are many JDBC drivers out there that allow only > >>>one resultset on a connection at a time. You may get more than one > >>>per connection with some drivers, but that's not portable. > >>> > >>>cjs > >>> > >>> > >>Does anyone of you know exactly, what the JDBC specification says about > >>more than one result set per connection at a time? > >> > >>If not, can you give me a URL where I can have a look at the specs myself? > >> > >>Michael > >> > >> > >>---------------------------(end of broadcast)--------------------------- > >>TIP 2: you can get off all lists at once with the unregister command > >> (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) > >> > >> > >> > >> > > > > > > > > > >---------------------------(end of broadcast)--------------------------- > >TIP 2: you can get off all lists at once with the unregister command > > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) > > > > > > > > > > -- > ---------------------------------------------------------------------------- > MobiComp - Mobile Computing & Wireless Solutions > phone: +351 253 305 250 fax: +351 253 305 251 > web: http://www.mobicomp.com > ---------------------------------------------------------------------------- > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
В списке pgsql-jdbc по дате отправления: