* source: https://github.com/anapsid/anapsid * execute: {{{ Usage: ./run_anapsid -e -q -b -s -p -o -d -a -k -w where , and is one in [True, False], is one in [b, ll, naive, d] (bushy plan, left linear plan, naive binary t ree plan, only decompose), is one in [EG, SSGS, SSGM] (Exclusive Groups, Star Shaped Group Single Endpoint, Star Shaped Group Multiple Endpoints) and is one in [y, c] (y is for showing the plan, and c is for decomposicio n without using service operator, and using UNION to indicate joins. }}}