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Re: Numbers

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Hi Tom

I found a datatype called 'interval' which seems to separate time from its unit.

Is that what you were thinking of??

Bob
----- Original Message ----- From: "Tom Lane" <tgl@xxxxxxxxxxxxx>
To: "Bob Pawley" <rjpawley@xxxxxxx>
Cc: "Postgresql" <pgsql-general@xxxxxxxxxxxxxx>
Sent: Sunday, January 22, 2006 11:25 AM
Subject: Re: [GENERAL] Numbers


Bob Pawley <rjpawley@xxxxxxx> writes:
My initial tables have columns containing values such as 12 feet.

I want to perform calculations.

Is there a method in Postgresql to separate the 12 from the unit feet or
am I forced to make two columns to separate the feet from the 12?

Are you storing '12 feet' as a string?  That seems awfully unstructured
for data that you'd like to do calculations on.

I seem to recall that someone had come up with a datatype that would
store numbers with units attached, which seems like what you want here.
Check the PG list archives, and/or poke around on pgfoundry and gborg.

regards, tom lane

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TIP 9: In versions below 8.0, the planner will ignore your desire to
      choose an index scan if your joining column's datatypes do not
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