From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
Cc: | Tender Wang <tndrwang(at)gmail(dot)com>, Duncan Sands <duncan(dot)sands(at)deepbluecap(dot)com>, pgsql-bugs(at)lists(dot)postgresql(dot)org |
Subject: | Re: Attribute of type record has wrong type error with MERGE ... WHEN NOT MATCHED BY SOURCE THEN DELETE |
Date: | 2025-03-10 20:08:46 |
Message-ID: | 1213530.1741637326@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)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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