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Crash proof database: reset if error occurs

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This commit is contained in:
topjohnwu 2017-11-18 05:03:01 +08:00
parent c8fd5da2da
commit e518f4cef8
2 changed files with 61 additions and 50 deletions
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24
app/src/main/java/com/topjohnwu/magisk/database/RepoDatabaseHelper.java
View File

@ -38,15 +38,21 @@ public class RepoDatabaseHelper extends SQLiteOpenHelper {
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion < 3) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
db.execSQL(
"CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " " +
"(id TEXT, name TEXT, version TEXT, versionCode INT, minMagisk INT, " +
"author TEXT, description TEXT, repo_name TEXT, last_update INT, " +
"PRIMARY KEY(id))");
mm.prefs.edit().remove(Const.Key.ETAG_KEY).apply();
oldVersion = 3;
try {
if (oldVersion < 3) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
db.execSQL(
"CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " " +
"(id TEXT, name TEXT, version TEXT, versionCode INT, minMagisk INT, " +
"author TEXT, description TEXT, repo_name TEXT, last_update INT, " +
"PRIMARY KEY(id))");
mm.prefs.edit().remove(Const.Key.ETAG_KEY).apply();
oldVersion = 3;
}
} catch (Exception e) {
e.printStackTrace();
// Reset database
onDowngrade(db, DATABASE_VER, 0);
}
}

87
app/src/main/java/com/topjohnwu/magisk/database/SuDatabaseHelper.java
View File

@ -114,49 +114,54 @@ public class SuDatabaseHelper extends SQLiteOpenHelper {
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion == 0) {
createTables(db);
oldVersion = 3;
}
if (oldVersion == 1) {
// We're dropping column app_name, rename and re-construct table
db.execSQL("ALTER TABLE " + POLICY_TABLE + " RENAME TO " + POLICY_TABLE + "_old");
// Create the new tables
createTables(db);
// Migrate old data to new tables
db.execSQL(
"INSERT INTO " + POLICY_TABLE + " SELECT " +
"uid, package_name, policy, until, logging, notification " +
"FROM " + POLICY_TABLE + "_old");
db.execSQL("DROP TABLE " + POLICY_TABLE + "_old");
File oldDB = Utils.getDatabasePath(MagiskManager.get(), "sulog.db");
if (oldDB.exists()) {
migrateLegacyLogList(oldDB, db);
MagiskManager.get().deleteDatabase("sulog.db");
try {
if (oldVersion == 0) {
createTables(db);
oldVersion = 3;
}
++oldVersion;
}
if (oldVersion == 2) {
db.execSQL("UPDATE " + LOG_TABLE + " SET time=time*1000");
++oldVersion;
}
if (oldVersion == 3) {
db.execSQL(
"CREATE TABLE IF NOT EXISTS " + STRINGS_TABLE + " " +
"(key TEXT, value TEXT, PRIMARY KEY(key))");
++oldVersion;
}
if (oldVersion == 4) {
db.execSQL("UPDATE " + POLICY_TABLE + " SET uid=uid%100000");
++oldVersion;
}
if (oldVersion == 1) {
// We're dropping column app_name, rename and re-construct table
db.execSQL("ALTER TABLE " + POLICY_TABLE + " RENAME TO " + POLICY_TABLE + "_old");
if (!Utils.itemExist(GLOBAL_DB)) {
// Hard link our DB globally
Shell.su_raw("ln " + getDbFile() + " " + GLOBAL_DB);
// Create the new tables
createTables(db);
// Migrate old data to new tables
db.execSQL(
"INSERT INTO " + POLICY_TABLE + " SELECT " +
"uid, package_name, policy, until, logging, notification " +
"FROM " + POLICY_TABLE + "_old");
db.execSQL("DROP TABLE " + POLICY_TABLE + "_old");
File oldDB = Utils.getDatabasePath(MagiskManager.get(), "sulog.db");
if (oldDB.exists()) {
migrateLegacyLogList(oldDB, db);
MagiskManager.get().deleteDatabase("sulog.db");
}
++oldVersion;
}
if (oldVersion == 2) {
db.execSQL("UPDATE " + LOG_TABLE + " SET time=time*1000");
++oldVersion;
}
if (oldVersion == 3) {
db.execSQL(
"CREATE TABLE IF NOT EXISTS " + STRINGS_TABLE + " " +
"(key TEXT, value TEXT, PRIMARY KEY(key))");
++oldVersion;
}
if (oldVersion == 4) {
db.execSQL("UPDATE " + POLICY_TABLE + " SET uid=uid%100000");
++oldVersion;
}
if (!Utils.itemExist(GLOBAL_DB)) {
// Hard link our DB globally
Shell.su_raw("ln " + getDbFile() + " " + GLOBAL_DB);
}
} catch (Exception e) {
e.printStackTrace();
onDowngrade(db, DATABASE_VER, 0);
}
}