| From: | "Stephen R(dot) van den Berg" <srb(at)cuci(dot)nl> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Ron Mayer <rm_pg(at)cheapcomplexdevices(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Patch for SQL-standard negative valued year-month literals |
| Date: | 2008-09-17 15:19:35 |
| Message-ID: | 20080917151935.GA10689@cuci.nl |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
>"Stephen R. van den Berg" <srb(at)cuci(dot)nl> writes:
>> Intervals are a scalar, not an addition of assorted values, alternating signs
>> between fields would be wrong.
>Sorry, you're the one who's wrong on that. We've treated intervals as
>three independent fields for years now (and before that it was two
>independent fields).
Ok, didn't know that.
Let's put it differently then: I can understand that the standard
considers it a scalar and not an addition, but apparently the addition
characteristic is being used in Postgres code already; that makes it
undesirable to change it indeed.
--
Sincerely,
Stephen R. van den Berg.
He did a quarter of the work in *half* the time!
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