I accidentally forgot to copy pgsql-patches earlier...

On Fri, 19 Jan 2007, Tom Lane wrote:

> Gavin Sherry <[EMAIL PROTECTED]> writes:
> > Also, some of the equivalence class support code is O(n^2).
> Yeah, at least :-(.  But I find it hard to conceive of real-world
> queries that would generate more than a few entries per EC; can you?
> The old code had similar performance issues, and I don't recall seeing
> any complaints that could be traced to that.

I can't think of any real world examples... and the fact that the existing
code would have similar performance issues and I'm not aware of anyone
bringing a problem up, seems like reason enough to not worry.



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