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Re: SQL/MED - file_fdw

From: Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com>
To: Shigeru HANADA <hanada(at)metrosystems(dot)co(dot)jp>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: SQL/MED - file_fdw
Date: 2011-01-18 06:17:12
Message-ID: AANLkTima=MpXGLJF_-Wu=gfZL4M=Pd-xb5AJL8dAP1fT@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Sat, Jan 15, 2011 at 08:35, Shigeru HANADA <hanada(at)metrosystems(dot)co(dot)jp> wrote:
> Interface of NextCopyFrom() is fixed to return HeapTuple, to support
> tableoid without any change to TupleTableSlot.
>
> 3) 20110114-copy_export_HeapTupe.patch
> This patch fixes interface of NextCopyFrom() to return results as
> HeapTuple.

I think file_fdw can return tuples in virtual tuples forms,
and ForeignNext() calls ExecMaterializeSlot() to store tableoid.

-- 
Itagaki Takahiro

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