foreign key from array element

From: Rafal Pietrak <rafal(at)zorro(dot)isa-geek(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: foreign key from array element
Date: 2012-09-17 08:46:02
Message-ID: 1347871562.5675.184.camel@localhost.localdomain
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Hello the list,

recently I'm cooking a database for an application, that I feel is best
implemented with tables containing arrays.

I have found some related info here:
http://archives.postgresql.org/pgsql-hackers/2008-09/msg01356.php

although the initial advice in that thread was: not to use arrays and:
"learning database best practice".

the thread eventually went into accepting this for implementation:
http://archives.postgresql.org/pgsql-hackers/2008-09/msg01341.php

Does anyone know if the implementation actually happened since? In which
version? How does the syntax loook like?

-R

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