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Allan Wang <allanvv@gmail.com> writes:
> On Wed, 2005-06-08 at 13:39 -0400, Tom Lane wrote:
>> Are there any NULLs in c.playerid?
> Here is the contents of cities:
I'm sorry, what I should've said is "are there any NULLs in c.playerid
in the output of the first LEFT JOIN?" In practice that means "does
the selected row of tiles actually join to cities?"
regards, tom lane