Re: clarify equalTupleDescs()

Peter Eisentraut <peter@eisentraut.org> writes:
> The first want to compare what I call row-type equality, which means 
> they want to check specifically for equal number of attributes, and the 
> same attribute names, types, and typmods for each attribute.  Most 
> callers actually want that behavior.

Should compare attcollation too, no?

+1 for the general idea, but it seems like "row type equality"
might still be a slightly fuzzy concept.

            regards, tom lane