SQL-ify rendering of DURATION, NUMERICs (and others?)

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looking at EXPLAIN ANALYZE, should display DURATION

and INSERT INTO docs RECORDS {_id: 'Shoe', price: 2.00, size: 'M'}; should show 2.00

and Clojure keywords FROM (XTQL($$ (rel [{:my.ns.col/col1-key 1}] [*]) $$)) x; (should display my$ns$col$co1_key)

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UUID '' not #uuid ""

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Best to figure out the way to fully enumerate these