| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: what exactly is a query structure? |
| Date: | 2010-02-26 15:11:56 |
| Message-ID: | 27166.1267197116@sss.pgh.pa.us |
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| Lists: | pgsql-sql |
"A. Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> writes:
> In response to silly sad :
>> my own wild guess:
>> string constant '*' is of type "unknown"
> Maybe. Add a explicit cast, for instance '*'::text
Definitely. More recent versions of PG provide a more explicit error
message:
regression=# SELECT * from get_noobs();
ERROR: structure of query does not match function result type
DETAIL: Returned type unknown does not match expected type text in column "pass".
CONTEXT: PL/pgSQL function "get_noobs" line 2 at RETURN QUERY
regards, tom lane
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