WikiContext: don't store a reference to the db handle in a context.
WikiContext: don't store a reference to the db handle in a context.

While convenient for access, I'm afraid that this goes against the #3446 goals (short-lived transactions).
Also, in 0.12 there will be most probably an improved API to access the DB from the environment, either for reading (directly get a cursor) or for writing (transaction support).



git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@5401 af82e41b-90c4-0310-8c96-b1721e28e2e2

dafrito/trac-mirror,dafrito/trac-mirror,dokipen/trac,dafrito/trac-mirror,dafrito/trac-mirror,exocad/exotrac,exocad/exotrac,moreati/trac-gitsvn,moreati/trac-gitsvn,moreati/trac-gitsvn,moreati/trac-gitsvn,dokipen/trac,dokipen/trac,exocad/exotrac,exocad/exotrac