Re: [HACKERS] Sequences....

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org, rbrad(at)hpb50023(dot)boi(dot)hp(dot)com
Subject: Re: [HACKERS] Sequences....
Date: 1999-03-18 01:50:27
Message-ID: 19537.921721827@sss.pgh.pa.us
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Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> writes:
>> [ several of us like making SERIAL a new data type ]

> My guess is that 6.5 is too close to be making such sweeping changes,

I agree, we should probably not expect to squeeze such a change in for
6.5.

Although we've been hand-waving about how this could be done, I think
it would require either ugly hackery or some nontrivial extensions to
the system. AFAIR, for example, there is no data-type-specific code
that gets executed when NULL is assigned to a column, therefore no
easy way for a SERIAL data type to get control and substitute a suitable
default value. Probably we'd end up still having to use a "DEFAULT"
clause to make that happen. It seems to need some thought, anyway.

regards, tom lane

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