On Mon, Jan 23, 2017 at 6:08 PM, Adrian Klaver <adrian.kla...@aklaver.com>
wrote:

>
> production=# show timezone;
>  TimeZone
> ----------
>  UTC
> (1 row)
>
> production=# select ' 2011-01-01 00:00:03.925-06'::timestamptz  <
> '2011-01-01'::date;
>  ?column?
> ----------
>  f
>

​What Tom said - though I missed the part about "the timezone when the data
was entered" - I was thinking it was only ​the timezone at the time of the
dump that would impact things.

To your example - testing in UTC is going to always result in failure for Z
values <= 0 since they will all result in a UTC date of 2011-01-01.
Choosing +06 would result in a passed test.

David J.

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