Peter Eisentraut <> writes:
> Here are two WIP patches to improve the DefElem list processing that is
> used by many utility commands.

> One factors out the duplicate checks, which are currently taking up a
> lot of space with duplicate code.  I haven't applied this everywhere
> yet, but the patch shows how much boring code can be saved.

+1 on the general idea, but I wonder if it's a problem that you replaced
an O(N) check with an O(N^2) check.  I don't think there are any commands
that would be likely to have so many options that this would become a
serious issue, but ...

> The other adds a location field to the DefElem node.

+1 for sure, lots of places where that would be a good thing
(the duplicate check itself, for starters).

                        regards, tom lane

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