From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Network Administrator <netadmin(at)vcsn(dot)com> |
Cc: | kar(at)kakidata(dot)dk, PgSQL General ML <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: State of Beta 2 |
Date: | 2003-09-14 16:10:58 |
Message-ID: | 11353.1063555858@sss.pgh.pa.us |
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Lists: | pgsql-general |
Network Administrator <netadmin(at)vcsn(dot)com> writes:
> The abstraction I am talking about would be a logical layer that would handle
> disk I/O including the format of that data (lets call this the ADH).
This sounds good in the abstract, but I don't see how you would define
such a layer in a way that was both thin and able to cope with large
changes in representation. In a very real sense, "handle disk I/O
including the format of the data" describes the entire backend. To
create an abstraction layer that will actually give any traction for
maintenance, you'd have to find a way to slice it much more narrowly
than that.
Even if the approach can be made to work, defining such a layer and then
revising all the existing code to go through it would be a huge amount
of work.
Ultimately there's no substitute for hard work :-(
regards, tom lane
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