| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
| Cc: | "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Dangerous Naming Confusion |
| Date: | 2021-03-29 22:22:13 |
| Message-ID: | CAKFQuwa9MyYhhdJEp0GROQ+7VNo6P679pbWJ0nbZnZ4_H3O8sA@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, Mar 29, 2021 at 3:20 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:
> On 3/29/21 3:00 PM, Don Seiler wrote:
> >
> > I'm wondering if this is expected behavior that PG uses the
> > dts_orders.order_id value in the subquery "select order_id from
> > dts_temp" when dts_temp doesn't have its own order_id column. I would
> > have expected an error that the column doesn't exist. Seems very
> > counter-intuitive to think PG would use a column from a different table.
>
> See:
>
>
> https://www.postgresql.org/message-id/Pine.LNX.4.56.0308011345320.881@krusty.credativ.de
>
>
There is also an FAQ entry:
David J.
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