"David E. Wheeler" <da...@kineticode.com> writes:
> On Feb 7, 2011, at 8:57 AM, Tom Lane wrote:
>> Yeah, this is another approach that one could take instead of having
>> per-row flags. I'm not sure that it's better, much less so much better
>> that we should force extensions to do it that way and not the other.
>> But it's definitely another argument against making a hard-wired
>> assumption that there will be a flag column.
> Would the flag column usually be invisible, like the system oid column?
No, it's just a column.
regards, tom lane
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