From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dean Rasheed <dean.a.rasheed@gmail.com>
Cc: Tender Wang <tndrwang@gmail.com>
Cc: Duncan Sands <duncan.sands@deepbluecap.com>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: Attribute of type record has wrong type error with MERGE ... WHEN NOT MATCHED BY SOURCE THEN DELETE
Date: Mon, 10 Mar 2025 16:08:46 -0400
Message-ID: <1213530.1741637326@sss.pgh.pa.us> (raw)
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References: <3518c50a-ab18-482f-b916-a37263622501@deepbluecap.com>
<CAHewXNmuO70GHqZev500b9cGXRbHzU9cDsn2tMWqhv6bXWJ5qQ@mail.gmail.com>
<CAEZATCXguOaadS0LAkjo154RMru3zDS0ohCsE4r=z63tDhqb7Q@mail.gmail.com>
<971078.1741629162@sss.pgh.pa.us>
<1207317.1741633880@sss.pgh.pa.us>
<CAEZATCUQjxowkRfG89YOWStPvJ3xpJW9wDNccnZOVJzSAHwJxA@mail.gmail.com>
Dean Rasheed <dean.a.rasheed@gmail.com> writes:
> However, that's not quite the end of it -- preprocess_function_rtes()
> / inline_set_returning_function() can turn a function RTE into a
> subquery RTE, leading to a similar problem:
> create table foo (a int, b int);
> insert into foo values (1,2);
> create or replace function f() returns setof foo as
> $$ select * from foo offset 0 $$ language sql stable;
> update foo set b = f.b from f() as f(a,b) where f.a = foo.a returning f;
> ERROR: attribute 3 of type record has wrong type
> DETAIL: Table has type record, but query expects foo.
Double ugh. I guess we could get preprocess_function_rtes to
insert the appropriate relid ...
regards, tom lane
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Cc: tgl@sss.pgh.pa.us, dean.a.rasheed@gmail.com, tndrwang@gmail.com, duncan.sands@deepbluecap.com, pgsql-bugs@lists.postgresql.org
Subject: Re: Attribute of type record has wrong type error with MERGE ... WHEN NOT MATCHED BY SOURCE THEN DELETE
In-Reply-To: <1213530.1741637326@sss.pgh.pa.us>
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