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----- original Nachricht --------

Betreff: Re: [ADMIN] Modifying Makefile
Gesendet: Sa 21 Okt 2006 05:50:59 CEST
Von: "Tom Lane"<tgl@sss.pgh.pa.us>

> "Mohamed Yassin Eltabakh" <meltabak@cs.purdue.edu> writes:
> > I updated the src/backend/parser/Makefile and added "new.o" to the OBJS
> > list, but when I compile I receive error:
> > ....undefined reference to `PSQLexec'
> > ....undefined reference to `PQntuples'
> > ....undefined reference to `PQclear'
>
> You seem to be trying to use the libpq client from inside the backend.
> This is entirely inappropriate.  If you need to run general-purpose SQL
> queries you can use SPI, but code that is doing that probably does not
> belong in /parser.  Just about anything that makes sense to do during
> parse analysis should be adequately supported by the system catalog
> cache routines.
>
>             regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match
>

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