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Re: How to copy Datum

From: Nicolas Barbier <nicolas(dot)barbier(at)gmail(dot)com>
To: "Wang, Chaoyong" <Chaoyong(dot)Wang(at)emc(dot)com>
Cc: pgsql-cluster-hackers(at)postgresql(dot)org
Subject: Re: How to copy Datum
Date: 2012-08-22 09:29:42
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-cluster-hackers
2012/8/21 Wang, Chaoyong <Chaoyong(dot)Wang(at)emc(dot)com>:


> But when the copied transValue is passed to the invoke function, here is
> int4_avg_accum, the ArrayType returned from PG_GETARG_ARRAYTYPE_P(0) is
> null.
> Which means the copy action is failed.
> Anybody know why? Or give me some suggestions? Thanks very much.

I suggest you ask this question on -hackers instead of here on
-cluster-hackers, as it doesn’t seem to have anything to do with


A. Because it breaks the logical sequence of discussion.
Q. Why is top posting bad?

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