Bruce Momjian <pgman@candle.pha.pa.us> writes:
> This is possible because btree is the default. TODO item is:
> * Remove USING clause from pg_get_indexdef() if index is btree (Bruce)
I do not think this is necessary or helpful. The only possible
reason to change it would be if we thought btree might someday
not be the default index type --- but no such change is on the
horizon. And if one was, you've just embedded special knowledge
about btree in yet one more place...
regards, tom lane