o k`<@sddgZddZdS)zCREATE TABLE session ( sid text, username text, var_name text, var_value text, UNIQUE(sid,var_name) );z2CREATE INDEX session_idx ON session(sid,var_name);cCstD]}||qdS)N)sqlexecute)envvercursorsr3/usr/lib/python3/dist-packages/trac/upgrades/db4.py do_upgrades r N)rr rrrrs