Is there any way to determine, by querying pg_index and other pg_* tables,
whether an index was created as `USING something`? I've already got a big
query joining pg_class, pg_index, etc. to pull out various attributes about
the indexes in my database, and I'd like to include whether it's a GIST
index, a B-Tree, or whatever was in the USING clause when the index was
created.
I see that I can join with the pg_opclass table, but that has 100+ rows,
and I'm not sure how to tell what is a B-Tree and what isn't. Any advice?
Thanks,
Paul
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Pulchritudo splendor veritatis.