Peter Eisentraut <peter.eisentr...@2ndquadrant.com> writes:
> We also allow the same column more than once in an index. We probably
> don't have to be more strict here.
There actually are valid uses for the same column more than once in
an index, eg if you use a different operator class for each instance.
I find it hard to envision a similar use-case in partitioning though.
regards, tom lane
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