Re: C Function with Arrays Question

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Achilleus Mantzios <rnd(at)gatewaynet(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: C Function with Arrays Question
Date: 2002-03-26 15:33:06
Message-ID: 25821.1017156786@sss.pgh.pa.us
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Achilleus Mantzios <rnd(at)gatewaynet(dot)com> writes:
> Is there a way of accessing _float8 (float8[]) values inside of
> a server-side C function??

There are some examples in the "FLOAT AGGREGATE OPERATORS" section of
src/backend/utils/adt/float.c. construct_array() and
deconstruct_array() are the most general answers, but for fixed-width
element types like float8 you can cheat quite a lot.

> /* what happened to palloc in pgsql 7.2??,

Nothing.

> * Also what happened to postgres.h??

Also nothing. Did you do "make install-all-headers"?

regards, tom lane

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