7 commits

Author	SHA1	Message	Date
Erik Johnston	cd0864121b	Make postgres database error slightly more helpful	2015-04-29 12:12:25 +01:00
Erik Johnston	204132a998	Check that postgres database has correct charset set	2015-04-29 11:42:28 +01:00
Erik Johnston	2732be83d9	Shuffle operations so that locking upsert happens last in the txn. This ensures the lock is held for the least amount of time possible.	2015-04-27 13:22:30 +01:00
Erik Johnston	e4c4664d73	Handle the fact that postgres databases can be restarted from under us	2015-04-27 12:40:49 +01:00
Erik Johnston	b8092fbc82	Go back to storing JSON in TEXT	2015-04-16 11:17:52 +01:00
Erik Johnston	c756dfeb14	Correctly identify deadlocks	2015-04-15 10:23:42 +01:00
Erik Johnston	127fad17dd	Add postgres database engine	2015-04-14 14:50:29 +01:00