From: | Rodrigo De León <rdeleonp(at)gmail(dot)com> |
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To: | "Paul Lambert" <paul(dot)lambert(at)reynolds(dot)com(dot)au> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Query design assistance - getting daily totals |
Date: | 2007-12-12 19:53:08 |
Message-ID: | a55915760712121153x5c9a10a1s89c737a44e4eb149@mail.gmail.com |
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Lists: | pgsql-sql |
On Dec 12, 2007 1:39 AM, Paul Lambert <paul(dot)lambert(at)reynolds(dot)com(dot)au> wrote:
> It's a financial application which needs to work using a concept of
> 'financial periods' which may not necessarily correspond to calendar
> months and it's much easier to manage in this way than it is to merge it
> all together using a date field. Eg, 1st January may actually be the
> 15th 'working day' of the 9th 'financial period' - however looking at
> just a date of jan-1 there is no way of knowing this and it's the
> periods that matter more so than the actual date.
I think what you need is a Calendar Table to "map" actual dates to
"buckets" e.g. 'financial periods', etc. See:
http://codeinet.blogspot.com/2006/08/auxiliary-calendar-table-for-sql.html
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