Initialize the sqlite connection with WAL and foreign keys.

This somewhat improves performance, which is nice.
This commit is contained in:
Richard Newman 2016-08-17 11:21:50 -07:00
parent 3ab0428ee0
commit cff49b6df5

View file

@ -67,9 +67,20 @@
[(<-SQLite (:attr row)) (<-SQLite (:value row))]) rows))]))
(into {})))))
(defn <initialize-connection [sqlite-connection]
(go-pair
;; Some of these return values when set, and some don't, hence the craziness here.
(<? (s/execute! sqlite-connection ["PRAGMA page_size=32768"]))
(<? (s/all-rows sqlite-connection ["PRAGMA journal_mode=wal"]))
(<? (s/all-rows sqlite-connection ["PRAGMA wal_autocheckpoint=32"]))
(<? (s/all-rows sqlite-connection ["PRAGMA journal_size_limit=3145728"]))
(<? (s/execute! sqlite-connection ["PRAGMA foreign_keys=ON"]))))
(defn <db-with-sqlite-connection
[sqlite-connection]
(go-pair
(<? (<initialize-connection sqlite-connection))
(when-not (= sqlite-schema/current-version (<? (sqlite-schema/<ensure-current-version sqlite-connection)))
(raise "Could not ensure current SQLite schema version."))