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Re: modifying in the libpg files

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Islam Hegazy" <islheg(at)gmail(dot)com>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: Re: modifying in the libpg files
Date: 2007-04-22 02:55:34
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-interfaces
"Islam Hegazy" <islheg(at)gmail(dot)com> writes:
> ../../src/interfaces/libpq/ undefined reference to =
> `PrintQueryResults' is a shared library --- you can't have it calling functions
that are not in either itself or a shared library it depends on.
You'd have to move PrintQueryTuples bodily into to make this
work.  There are various reasons why that's not a great idea, the
main one being that libpq has no idea where psql is intending to
send the output.

IMHO a reasonable solution would involve extending libpq's published API
to allow returning partial query results.  This seems like it could be
made to fit into the PQsendQuery/PQgetResult paradigm, but nobody's
actually done that yet.

			regards, tom lane

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