Re: Connections/Statements/ResultSets (Was: Re: Pooling
От | João Paulo Caldas Ribeiro |
---|---|
Тема | Re: Connections/Statements/ResultSets (Was: Re: Pooling |
Дата | |
Msg-id | 3D6F4A0C.5050601@mobicomp.com обсуждение исходный текст |
Ответ на | Re: Pooling Prepared Statements (Curt Sampson <cjs@cynic.net>) |
Список | pgsql-jdbc |
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 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 ----------------------------------------------------------------------------
В списке pgsql-jdbc по дате отправления: