From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Markus Bertheau <twanger(at)bluetwanger(dot)de> |
Cc: | postgres sql list <pgsql-sql(at)postgresql(dot)org>, Horst Schwarz <schwarz(at)bab24(dot)de> |
Subject: | Re: ERROR: ExecEvalExpr: unknown expression type 108 |
Date: | 2003-06-30 16:50:49 |
Message-ID: | 15395.1056991849@sss.pgh.pa.us |
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Lists: | pgsql-sql |
Markus Bertheau <twanger(at)bluetwanger(dot)de> writes:
> PostgreSQL 7.3 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.2.2
> datetest=# select * from (select (select count(1) from (select von from
> daten union select bis as von from daten) as d1 where d1.von < d2.von)
> as number, von from (select von from daten union select bis as von from
> daten) d2) as bar join (select (select count(1)+1 from (select von from
> daten union select bis as von from daten) as d1 where d1.von < d2.von)
> as number, von from (select von from daten union select bis as von from
> daten) d2) as foo using (number);
> ERROR: ExecEvalExpr: unknown expression type 108
7.3 has a problem with subselects referenced as join outputs. There is
a fix in 7.3.1, and a better fix in place for 7.4.
regards, tom lane
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