Feature/david/journal mode (#1157)

* changed journal mode when creating db

* updated version for internal release

* rollback version update

* made app debuggable for testing

* spotless check

* rollback unnecessary changes

Author: malmstein

app/src/main/java/com/duckduckgo/app/di/DatabaseModule.kt

@@ -19,6 +19,7 @@ package com.duckduckgo.app.di
 import android.content.Context
 import android.webkit.WebViewDatabase
 import androidx.room.Room
+import androidx.room.RoomDatabase
 import com.duckduckgo.app.browser.addtohome.AddToHomeCapabilityDetector
 import com.duckduckgo.app.browser.httpauth.RealWebViewHttpAuthStore
 import com.duckduckgo.app.browser.httpauth.WebViewHttpAuthStore
@@ -53,6 +54,8 @@ class DatabaseModule {
         return Room.databaseBuilder(context, AppDatabase::class.java, "app.db")
             .addMigrations(*migrationsProvider.ALL_MIGRATIONS.toTypedArray())
             .addCallback(migrationsProvider.BOOKMARKS_DB_ON_CREATE)
+            .addCallback(migrationsProvider.CHANGE_JOURNAL_ON_OPEN)
+            .setJournalMode(RoomDatabase.JournalMode.TRUNCATE)
             .build()
     }
 

app/src/main/java/com/duckduckgo/app/global/db/AppDatabase.kt

@@ -403,6 +403,12 @@ class MigrationsProvider(
         }
     }
 
+    val CHANGE_JOURNAL_ON_OPEN = object : RoomDatabase.Callback() {
+        override fun onOpen(db: SupportSQLiteDatabase) {
+            db.query("PRAGMA journal_mode=DELETE;").use { cursor -> cursor.moveToFirst() }
+        }
+    }
+
     val ALL_MIGRATIONS: List<Migration>
         get() = listOf(
             MIGRATION_1_TO_2,