> > In any case I think it's foolish not to tackle both issues at once.
> > We know we'd like to have both features and we know that
> all the same
> > bits of code need to be looked at to implement either.
>
> I guess I disagree with that sentiment. I don't think it's
> necessary to bundle these two features together, even if some
> analysis will be duplicated between them, since they are
> completely distinct in a functional sense and will touch
> different places in the code.
I fully agree with Phil here.
And I also see a lot of unhappiness from users of system tables
when column numbers all over the system tables would not be logical
column
positions any more.
Andreas
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
