[Zope-DB] Re: ZPsycopgDA (version 1.0.13) problems
Federico Di Gregorio
fog@debian.org
21 Jan 2003 13:38:11 +0100
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Il lun, 2003-01-20 alle 21:31, Dieter Maurer ha scritto:
> Federico Di Gregorio wrote at 2003-1-20 14:25 +0100:
> > > * "max_rows=3D=3D0" is interpreted as to not return results at al=
l.
> > > It seems more consistent with other use of the value "0"
> > > to interpret it as "no restriction"
> >=20
> > ok. i'll just make sure zope does not assign a different meaning to 0.
> Other DA's (e.g. "ZMySQLDA") interpret "0" as "no limitation".
> The same interpretation is used in Zope session implementation.
>=20
> Interpreting "0" as "do not return any results" is not useful.
done.
>=20
> > ...
> > > * I have been unable to understand the motivation for the "failur=
e"
> > > use in "db.DA.query".
> >=20
> > if a generic (not catched) error happens, we try to close and reopen t=
he
> > connection a number of times before returning an error. this code was
> > copied from ZOracle and i never been completely satisfacted by it.
> That would seem reasonable...
>=20
> But the code looks different:
>=20
> you fail 1000 times, then you close/reopen and try again.
fixed.
> However, the problem happens non-deterministically; we cannot yet
> reproduce it.
> I will let you know when we know more...
very well, thank you very much for your help,
/federico
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