From 09eac425c29bdd89d5805af514353f0d55c3b8d7 Mon Sep 17 00:00:00 2001
From: Leon Scroggins <scroggo@google.com>
Date: Mon, 10 Jan 2011 17:23:53 -0500
Subject: [PATCH] Enable write ahead logging on databases used by WebView.

Bug:3337213
Change-Id: Ic687bc506faba23c3e52e44f0a5d0146a352206e
---
 core/java/android/webkit/WebViewDatabase.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/core/java/android/webkit/WebViewDatabase.java b/core/java/android/webkit/WebViewDatabase.java
index 7b9def06db8f7..e1392ae142257 100644
--- a/core/java/android/webkit/WebViewDatabase.java
+++ b/core/java/android/webkit/WebViewDatabase.java
@@ -223,6 +223,7 @@ public class WebViewDatabase {
                         null);
             }
         }
+        mDatabase.enableWriteAheadLogging();
 
         // mDatabase should not be null,
         // the only case is RequestAPI test has problem to create db
@@ -233,7 +234,7 @@ public class WebViewDatabase {
         }
 
         if (mDatabase.getVersion() != DATABASE_VERSION) {
-            mDatabase.beginTransaction();
+            mDatabase.beginTransactionNonExclusive();
             try {
                 upgradeDatabase();
                 mDatabase.setTransactionSuccessful();
@@ -261,6 +262,7 @@ public class WebViewDatabase {
                         CACHE_DATABASE_FILE, 0, null);
             }
         }
+        mCacheDatabase.enableWriteAheadLogging();
 
         // mCacheDatabase should not be null,
         // the only case is RequestAPI test has problem to create db
@@ -271,7 +273,7 @@ public class WebViewDatabase {
         }
 
         if (mCacheDatabase.getVersion() != CACHE_DATABASE_VERSION) {
-            mCacheDatabase.beginTransaction();
+            mCacheDatabase.beginTransactionNonExclusive();
             try {
                 upgradeCacheDatabase();
                 bootstrapCacheDatabase();
@@ -648,7 +650,7 @@ public class WebViewDatabase {
                         + "WebViewWorkerThread instead of from "
                         + Thread.currentThread().getName());
             }
-            mCacheDatabase.beginTransaction();
+            mCacheDatabase.beginTransactionNonExclusive();
             return true;
         }
         return false;