3 ms·

Here's the evidence: http://www.reddit.com/r/programming/comments/8q2pz/ask_reddit_how_do_you_store_a_tree_in_a/c0a2rt7 http://www.reddit.com/r/programming/com

by csytan 16y ago

Here's the evidence: http://www.reddit.com/r/programming/comments/8q2pz/ask_reddit_how_do_you_store_a_tree_in_a/c0a2rt7 http://www.reddit.com/r/programming/comments/8q2pz/ask_reddi... In my case, Appengine does not support recursive SQL queries, so another method had to be used.