virtual fields ( proxy execution ?? ) - Mailing list pgsql-general

From paulmoody
Subject virtual fields ( proxy execution ?? )
Date
Msg-id 373582F2.A5AAB34B@onaustralia.com.au
Whole thread Raw
List pgsql-general
Hi,
    My first post to this list ... pls point me to correct list if
wrong. Now my question ...
Can I reference a field in a record where the data contained in the
field is a value returned or passed to an arbitrary executable. For
example say the arbitrary executable was a mail program then writing to
the field would send a message and reading from the field would retrieve
a message. However for all intents and purposes there would be no
difference perceived by the query orginator than if the message was
merely stored or retrieved from that field. ( ie is there a 'CGI' type
interface for postgresql like for webservers ? ).
 TIA  and regards.


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