Re: Is this a bug in 7.1?

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От Oliver Elphick
Тема Re: Is this a bug in 7.1?
Дата
Msg-id 200103131053.f2DArHG00607@linda.lfix.co.uk
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Ответ на Is this a bug in 7.1?  ("Oliver Elphick" <olly@lfix.co.uk>)
Список pgsql-general
"Oliver Elphick" wrote:
  >Is this a bug or missing feature in 7.1? or have I got the SQL
  >wrong?
  >
  >bray=# SELECT DISTINCT p.id, p.name, a.town
  >bray-#   FROM (
  >bray(#         SELECT id, name
  >bray(#           FROM customer
  >bray(#         UNION
  >bray(#         SELECT id, name
  >bray(#           FROM supplier
  >bray(#        ) AS p
  >bray-#        LEFT OUTER JOIN address AS a
  >bray-#          ON p.address = a.id
  >bray-#   WHERE p.id = '22002';

The SQL was wrong; I had missed out "address" from the fields in the
subselect.  However, the error message was very misleading:

  >ERROR:  function applied to tuple is not supported for subSELECTs
  >
  >What does the error message mean?  I can't see where a function
  >is involved.
--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
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GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
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