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Blow up the Settings Search Index database if there is a Database downgrade detected

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- use the onDowngrade(...) callback for blowing away the Search Index database and
recompute the Index.

Change-Id: I137b22e710dd3205063cf8ce239105b2f1c5278b
This commit is contained in:
Fabrice Di Meglio
2014-04-02 15:43:39 -07:00
parent 019b87f17a
commit fb5e639b30
1 changed files with 31 additions and 20 deletions
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51
src/com/android/settings/search/IndexDatabaseHelper.java
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@@ -133,17 +133,44 @@ public class IndexDatabaseHelper extends SQLiteOpenHelper {
Log.i(TAG, "Bootstrapped database");
}
@Override
public void onOpen(SQLiteDatabase db) {
super.onOpen(db);
Log.i(TAG, "Using schema version: " + db.getVersion());
if (!Build.VERSION.INCREMENTAL.equals(getBuildVersion(db))) {
Log.w(TAG, "Index needs to be rebuilt as build-version is not the same");
// We need to drop the tables and recreate them
reconstruct(db);
} else {
Log.i(TAG, "Index is fine");
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
if (oldVersion == 100 || oldVersion == 101 || oldVersion == 102 || oldVersion == 103) {
Log.w(TAG, "Detected schema version 100, 101, 102 or 103. " +
"Index needs to be rebuilt for schema version 104");
Log.w(TAG, "Detected schema version '" + oldVersion + "'. " +
"Index needs to be rebuilt for schema version '" + newVersion + "'.");
// We need to drop the tables and recreate them
dropTables(db);
bootstrapDB(db);
reconstruct(db);
}
}
@Override
public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.w(TAG, "Detected schema version '" + oldVersion + "'. " +
"Index needs to be rebuilt for schema version '" + newVersion + "'.");
// We need to drop the tables and recreate them
reconstruct(db);
}
private void reconstruct(SQLiteDatabase db) {
dropTables(db);
bootstrapDB(db);
}
private String getBuildVersion(SQLiteDatabase db) {
String version = null;
Cursor cursor = null;
@@ -168,20 +195,4 @@ public class IndexDatabaseHelper extends SQLiteOpenHelper {
db.execSQL("DROP TABLE IF EXISTS " + Tables.TABLE_META_INDEX);
db.execSQL("DROP TABLE IF EXISTS " + Tables.TABLE_PREFS_INDEX);
}
@Override
public void onOpen(SQLiteDatabase db) {
super.onOpen(db);
Log.i(TAG, "Using schema version: " + db.getVersion());
if (!Build.VERSION.INCREMENTAL.equals(getBuildVersion(db))) {
Log.w(TAG, "Index needs to be rebuilt as build-version is not the same");
// We need to drop the tables and recreate them
dropTables(db);
bootstrapDB(db);
} else {
Log.i(TAG, "Index is fine");
}
}
}