From 476987ed0de67dd5ff4a3f57efa5dc1fae91b876 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20H=C3=B6rist?= <philipp@hoerist.com>
Date: Wed, 2 Nov 2016 19:23:24 +0100
Subject: [PATCH] Optimize write operations to DB
---
omemo/omemo/sql.py | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/omemo/omemo/sql.py b/omemo/omemo/sql.py
index 69954d06..aefe9e60 100644
--- a/omemo/omemo/sql.py
+++ b/omemo/omemo/sql.py
@@ -27,6 +27,13 @@ class SQLDatabase():
:type dbConn: Connection
"""
self.dbConn = dbConn
+ c = self.dbConn.cursor()
+ c.execute("PRAGMA synchronous=NORMAL;")
+ c.execute("PRAGMA journal_mode;")
+ mode = c.fetchone()[0]
+ # WAL is a persistent DB mode, dont override it if user has set it
+ if mode != 'wal':
+ c.execute("PRAGMA journal_mode=MEMORY;")
self.createDb()
self.migrateDb()
--
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