Joe Conway <m...@joeconway.com> writes:
> On 06/14/2010 10:58 AM, Tom Lane wrote:
>> The current effective behavior of the code is that the column numbers
>> are physical numbers. Should we document it that way, or change it?
> Probably it should be changed to deal with dropped columns correctly,
> but I won't have time to look at this closely until the end of the month
> -- is that soon enough?
Actually, I was working on it myself. On further reflection I think
that logical numbers are clearly the right thing --- if we define it
as being physical numbers then we will have headaches in the future
when/if we support rearranging columns. However, there is some small
chance of breaking things in existing DBs if we back-patch that change.
Thoughts?
It strikes me also that the code is not nearly careful enough about
defending itself against garbage input in the primary_key_attnums
argument ...
regards, tom lane
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