Alexander Korotkov <> writes:
> On Mon, Jan 23, 2012 at 7:58 PM, Noah Misch <> wrote:
>> I've attached a new version that includes the UINT64_FMT fix, some edits of
>> your newest comments, and a rerun of pgindent on the new files.  I see no
>> other issues precluding commit, so I am marking the patch Ready for
>> Committer.
>> If I made any of the comments worse, please post another update.

> Changes looks reasonable for me. Thanks!

I am starting to look at this patch now.  I'm wondering exactly why the
decision was made to continue storing btree-style statistics for arrays,
in addition to the new stuff.  The pg_statistic rows for array columns
tend to be unreasonably wide already, and as-is this patch will make
them quite a lot wider.  I think it requires more than a little bit of
evidence to continue storing stats that seem to have only small
probability of usefulness.

In particular, if we didn't store that stuff, we'd not need to widen the
number of columns in pg_statistic, which would noticeably reduce both
the footprint of the patch and the probability of breaking external

                        regards, tom lane

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