#262 Trees with Ancestry
RailsCasts (Mobile)
English - April 18, 2011 07:00 - 9 minutes - 10.5 MB Video - ★★★★★ - 58 ratingsTechnology Education How To rails ruby on rails screencasts podcasts tips tricks tutorials training programming railscast Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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The Ancestry gem works like a tree but also allows us to fetch deeply nested messages in a single query. It provides a method to arrange them after fetching.