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Subject: Re: CTEs and re-use
From: Rob Sargent <robjsargent@gmail.com>
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Date: Tue, 11 Apr 2017 21:05:36 -0600
Cc: pgsql-sql@postgresql.org
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> On Apr 11, 2017, at 8:47 PM, David G. Johnston <david.g.johnston@gmail.co=
m> wrote:
>=20
> On Tuesday, April 11, 2017, Rob Sargent <robjsargent@gmail.com> wrote:
>=20
> I=E2=80=99m really just bumping into the annoyance of manually dropping t=
he temp table as I work this up (though real collision in production would =
is possible, it would be unlikely) and thought to try to rework the functio=
n without the temp table - that=E2=80=99s the SQL question - and presumed t=
he specifics of the function would come in useful.
>=20
>=20
> I'm not positive what you are thinking here but the names of temporary ta=
bles are session-unique.  They are not prone to concurrent use namespace co=
llisions and not do not interfere with permanent tables either.  They are p=
laced into a temporary schema that is only visible to the current session.
>=20
> David J.=20
Of course =E2=80=98on commit drop=E2=80=99 works like a charm.=20
Thanks a ton.
rjs


--=20
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