Ian Harding wrote:
You should look up the contrib module ltree which is made for this
sort of thing. If you reinvent the wheel like this, you will be stuck
with 2 levels. With ltree you can have as many as you need and add
more at any time. It lets you query for ancestors and descendants of
any item at any level.
I highly recommend it.
Ah, one of those modules I still need to investigate. It looks promising.
Can it do networked structures? That'd be kind of hard with an index on
a path when a node can have multiple parent nodes, I figure...
--
Alban Hertroys
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