Re: ERROR: ExecEvalExpr: unknown expression type 108

Markus Bertheau <twanger@xxxxxxxxxxxxxx> 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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