Stephen Frost <> writes:
> Ok, thinking a bit more on this and testing, it looks like we record the
> initdb-defined casts as 'pinned' in pg_depend all the way back to 7.3.
> Therefore, we could use that as the gating factor for getFuncs() instead
> of FirstNormalObjectId and then I can also modify getCasts() to exclude
> pinned casts, which should fix pg_dump against 8.0 and earlier.

Don't really like that; won't it make the getFuncs query substantially
more expensive?

                        regards, tom lane

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