Fix plots not generated until after item is posted

hacker_news.csv.sql

@@ -1,7 +1,11 @@
 .headers on
 .mode csv
 .output hacker_news.csv
-SELECT id, created_at, time, title, url, author, ndescendants, score, rank
-FROM hn_items
-WHERE id IN (SELECT hn_id FROM sn_items)
-ORDER BY id, created_at DESC;
+SELECT hn.id, hn.created_at, hn.time, hn.title, hn.url, hn.author, hn.ndescendants, hn.score, hn.rank
+FROM (
+	SELECT id, MAX(created_at) AS created_at FROM hn_items
+	WHERE rank = 1 AND length(title) >= 5
+	GROUP BY id
+	ORDER BY time ASC
+) t JOIN hn_items hn ON t.id = hn.id
+ORDER BY hn.id, hn.created_at DESC;