change :or to :union in get-kana-forms because it's much faster
change :or to :union in get-kana-forms because it's much faster

Same query:

CL-POSTGRES query (1585ms): (SELECT DISTINCT kt.* FROM kana_text AS kt
LEFT JOIN conjugation AS conj ON (conj.seq = kt.seq) WHERE ((kt.seq =
2013800) or (conj."from" = 2013800)))

CL-POSTGRES query (5ms): ((SELECT kt.* FROM kana_text AS kt LEFT JOIN conjugation AS conj ON (conj.seq = kt.seq) WHERE (kt.seq = 2013800)) union (SELECT kt.* FROM kana_text AS kt LEFT JOIN conjugation AS conj ON (conj.seq = kt.seq) WHERE (conj."from" = 2013800)))

tshatrov/ichiran