Re: - Mailing list pgsql-hackers

From Andy Farrell
Subject Re:
Date
Msg-id n1321470660.23873@itd.sterling.com
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List pgsql-hackers
        Reply to:   RE>

Hello,

  Given the results of a query, I need to determine the maximum length of a
variable length field using the perl interface to postgres.  Is there
something in the "results" buffer I can use or do I need to query the system
catalogs for this information?  Also,  what field in which class contains
this information?  I couldn't seem to find a field in the pg_attribute class
which provides this information.

  Also, is their a descriptive database design document available for the
system catalogs?

TIA,
Andy


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