[wp-hackers] Category Operation (Adjacency vs. Modified Preorder)

Chris Johnson agent_eight at hotmail.com
Sat Feb 11 15:32:35 GMT 2006

> sql tree preordering works nice, but imho implementing them without
> transactions and triggers is really asking for trouble.

Yeah, that's the downside of basicly going from one tree index (cat_parent) 
to three( left, right, parent). There are three index's that can get fouled 
up with a bad write operation.

I suppose performing an index check after every insert/update might be a bit 
excessive .. or would it? 

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