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| To | Chris Angelico <rosuav@gmail.com> |
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| Subject | Re: DB API question - where is a stored procedure's return value? |
| Date | Thu, 13 Mar 2014 13:22:08 -0400 |
| Cc | python-list@python.org |
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On Thu, Mar 13, 2014, at 13:01, Chris Angelico wrote: > On Fri, Mar 14, 2014 at 1:43 AM, John Gordon <gordon@panix.com> wrote: > >> select foo() as value from dual > > > > That will get the return value into an SQL variable, but the OP wanted > > to know how to fetch it from python code. > > In theory, that should produce a one-row-one-column SELECT result, > which can then be retrieved as such. (I say "in theory" because not > all back-end databases support the "from dual" notation - which, by > the way, I find extremely odd; what's 'dual' about it?) DUAL is an Oracle thing. It used to have two rows, in order to be used to duplicate results by doing a cartesian join to it. At some point, that was removed, but the name stuck. Most other servers allow SELECT without FROM.
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Re: DB API question - where is a stored procedure's return value? Petite Abeille <petite.abeille@gmail.com> - 2014-03-13 00:11 +0100
Re: DB API question - where is a stored procedure's return value? John Gordon <gordon@panix.com> - 2014-03-13 14:43 +0000
Re: DB API question - where is a stored procedure's return value? Skip Montanaro <skip@pobox.com> - 2014-03-13 10:14 -0500
Re: DB API question - where is a stored procedure's return value? Chris Angelico <rosuav@gmail.com> - 2014-03-14 04:01 +1100
Re: DB API question - where is a stored procedure's return value? random832@fastmail.us - 2014-03-13 13:22 -0400
Re: DB API question - where is a stored procedure's return value? Chris Angelico <rosuav@gmail.com> - 2014-03-14 04:32 +1100
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