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Re: BUG #1770: Composite type dependency broken

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "David Fetter" <david(at)fetter(dot)org>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #1770: Composite type dependency broken
Date: 2005-07-15 05:26:45
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
"David Fetter" <david(at)fetter(dot)org> writes:
> create table foo (foo_id SERIAL PRIMARY KEY, foo_text TEXT NOT NULL);
> CREATE type two_foos AS (foo1 foo, foo2 foo);
> CREATE type four_foos AS (two_foo1 two_foos, two_foo2 two_foos);

> Perhaps I have misunderstood, but I would think that both two_foos and
> four_foos would disappear as a result of this.  They don't :/

No; their columns disappear, but the types don't.  This is just the same
as not trashing an entire table when a single column's type is dropped
--- that propagates as a DROP COLUMN, not a DROP TABLE.

			regards, tom lane

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