Merge pull request #186 from owncloud/fixed_contradicted_messages_in_login_view
[pub/Android/ownCloud.git] / src / com / owncloud / android / providers / FileContentProvider.java
index 5e54341..9b03243 100644 (file)
-/* ownCloud Android client application\r
- *   Copyright (C) 2011  Bartek Przybylski\r
- *   Copyright (C) 2012-2013 ownCloud Inc.\r
- *\r
- *   This program is free software: you can redistribute it and/or modify\r
- *   it under the terms of the GNU General Public License as published by\r
- *   the Free Software Foundation, either version 2 of the License, or\r
- *   (at your option) any later version.\r
- *\r
- *   This program is distributed in the hope that it will be useful,\r
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
- *   GNU General Public License for more details.\r
- *\r
- *   You should have received a copy of the GNU General Public License\r
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
- *\r
- */\r
-\r
-package com.owncloud.android.providers;\r
-\r
-import java.util.HashMap;\r
-\r
-import com.owncloud.android.db.ProviderMeta;\r
-import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;\r
-\r
-\r
-import android.content.ContentProvider;\r
-import android.content.ContentUris;\r
-import android.content.ContentValues;\r
-import android.content.Context;\r
-import android.content.UriMatcher;\r
-import android.database.Cursor;\r
-import android.database.SQLException;\r
-import android.database.sqlite.SQLiteDatabase;\r
-import android.database.sqlite.SQLiteOpenHelper;\r
-import android.database.sqlite.SQLiteQueryBuilder;\r
-import android.net.Uri;\r
-import android.text.TextUtils;\r
-import android.util.Log;\r
-\r
-/**\r
- * The ContentProvider for the ownCloud App.\r
- * \r
- * @author Bartek Przybylski\r
- * \r
- */\r
-public class FileContentProvider extends ContentProvider {\r
-\r
-    private DataBaseHelper mDbHelper;\r
-\r
-    private static HashMap<String, String> mProjectionMap;\r
-    static {\r
-        mProjectionMap = new HashMap<String, String>();\r
-        mProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_PARENT,\r
-                ProviderTableMeta.FILE_PARENT);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_PATH,\r
-                ProviderTableMeta.FILE_PATH);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_NAME,\r
-                ProviderTableMeta.FILE_NAME);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_CREATION,\r
-                ProviderTableMeta.FILE_CREATION);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,\r
-                ProviderTableMeta.FILE_MODIFIED);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,\r
-                ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,\r
-                ProviderTableMeta.FILE_CONTENT_LENGTH);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,\r
-                ProviderTableMeta.FILE_CONTENT_TYPE);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,\r
-                ProviderTableMeta.FILE_STORAGE_PATH);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE,\r
-                ProviderTableMeta.FILE_LAST_SYNC_DATE);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,\r
-                ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC,\r
-                ProviderTableMeta.FILE_KEEP_IN_SYNC);\r
-        mProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,\r
-                ProviderTableMeta.FILE_ACCOUNT_OWNER);\r
-    }\r
-\r
-    private static final int SINGLE_FILE = 1;\r
-    private static final int DIRECTORY = 2;\r
-    private static final int ROOT_DIRECTORY = 3;\r
-    private static final UriMatcher mUriMatcher;\r
-    static {\r
-        mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);\r
-        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "/", ROOT_DIRECTORY);\r
-        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/", SINGLE_FILE);\r
-        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/#", SINGLE_FILE);\r
-        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "dir/#", DIRECTORY);\r
-    }\r
-\r
-    @Override\r
-    public int delete(Uri uri, String where, String[] whereArgs) {\r
-        SQLiteDatabase db = mDbHelper.getWritableDatabase();\r
-        int count = 0;\r
-        switch (mUriMatcher.match(uri)) {\r
-        case SINGLE_FILE:\r
-            count = db.delete(ProviderTableMeta.DB_NAME,\r
-                    ProviderTableMeta._ID\r
-                            + "="\r
-                            + uri.getPathSegments().get(1)\r
-                            + (!TextUtils.isEmpty(where) ? " AND (" + where\r
-                                    + ")" : ""), whereArgs);\r
-            break;\r
-        case ROOT_DIRECTORY:\r
-            count = db.delete(ProviderTableMeta.DB_NAME, where, whereArgs);\r
-            break;\r
-        default:\r
-            throw new IllegalArgumentException("Unknown uri: " + uri.toString());\r
-        }\r
-        getContext().getContentResolver().notifyChange(uri, null);\r
-        return count;\r
-    }\r
-\r
-    @Override\r
-    public String getType(Uri uri) {\r
-        switch (mUriMatcher.match(uri)) {\r
-        case ROOT_DIRECTORY:\r
-            return ProviderTableMeta.CONTENT_TYPE;\r
-        case SINGLE_FILE:\r
-            return ProviderTableMeta.CONTENT_TYPE_ITEM;\r
-        default:\r
-            throw new IllegalArgumentException("Unknown Uri id."\r
-                    + uri.toString());\r
-        }\r
-    }\r
-\r
-    @Override\r
-    public Uri insert(Uri uri, ContentValues values) {\r
-        if (mUriMatcher.match(uri) != SINGLE_FILE &&\r
-            mUriMatcher.match(uri) != ROOT_DIRECTORY) {\r
-            \r
-            throw new IllegalArgumentException("Unknown uri id: " + uri);\r
-        }\r
-\r
-        SQLiteDatabase db = mDbHelper.getWritableDatabase();\r
-        long rowId = db.insert(ProviderTableMeta.DB_NAME, null, values);\r
-        if (rowId > 0) {\r
-            Uri insertedFileUri = ContentUris.withAppendedId(\r
-                    ProviderTableMeta.CONTENT_URI_FILE, rowId);\r
-            getContext().getContentResolver().notifyChange(insertedFileUri,\r
-                    null);\r
-            return insertedFileUri;\r
-        }\r
-        throw new SQLException("ERROR " + uri);\r
-    }\r
-\r
-    @Override\r
-    public boolean onCreate() {\r
-        mDbHelper = new DataBaseHelper(getContext());\r
-        return true;\r
-    }\r
-\r
-    @Override\r
-    public Cursor query(Uri uri, String[] projection, String selection,\r
-            String[] selectionArgs, String sortOrder) {\r
-        SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();\r
-\r
-        sqlQuery.setTables(ProviderTableMeta.DB_NAME);\r
-        sqlQuery.setProjectionMap(mProjectionMap);\r
-\r
-        switch (mUriMatcher.match(uri)) {\r
-        case ROOT_DIRECTORY:\r
-            break;\r
-        case DIRECTORY:\r
-            sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="\r
-                    + uri.getPathSegments().get(1));\r
-            break;\r
-        case SINGLE_FILE:\r
-            if (uri.getPathSegments().size() > 1) {\r
-                sqlQuery.appendWhere(ProviderTableMeta._ID + "="\r
-                        + uri.getPathSegments().get(1));\r
-            }\r
-            break;\r
-        default:\r
-            throw new IllegalArgumentException("Unknown uri id: " + uri);\r
-        }\r
-\r
-        String order;\r
-        if (TextUtils.isEmpty(sortOrder)) {\r
-            order = ProviderTableMeta.DEFAULT_SORT_ORDER;\r
-        } else {\r
-            order = sortOrder;\r
-        }\r
-\r
-        SQLiteDatabase db = mDbHelper.getReadableDatabase();\r
-        Cursor c = sqlQuery.query(db, projection, selection, selectionArgs,\r
-                null, null, order);\r
-\r
-        c.setNotificationUri(getContext().getContentResolver(), uri);\r
-\r
-        return c;\r
-    }\r
-\r
-    @Override\r
-    public int update(Uri uri, ContentValues values, String selection,\r
-            String[] selectionArgs) {\r
-        return mDbHelper.getWritableDatabase().update(\r
-                ProviderTableMeta.DB_NAME, values, selection, selectionArgs);\r
-    }\r
-\r
-    class DataBaseHelper extends SQLiteOpenHelper {\r
-\r
-        public DataBaseHelper(Context context) {\r
-            super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION);\r
-\r
-        }\r
-\r
-        @Override\r
-        public void onCreate(SQLiteDatabase db) {\r
-            // files table\r
-            Log.i("SQL", "Entering in onCreate");\r
-            db.execSQL("CREATE TABLE " + ProviderTableMeta.DB_NAME + "("\r
-                    + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "\r
-                    + ProviderTableMeta.FILE_NAME + " TEXT, "\r
-                    + ProviderTableMeta.FILE_PATH + " TEXT, "\r
-                    + ProviderTableMeta.FILE_PARENT + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_CREATION + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_MODIFIED + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, "\r
-                    + ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, "\r
-                    + ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT, "\r
-                    + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "\r
-                    + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER );"\r
-                    );\r
-        }\r
-\r
-        @Override\r
-        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {\r
-            Log.i("SQL", "Entering in onUpgrade");\r
-            boolean upgraded = false; \r
-            if (oldVersion == 1 && newVersion >= 2) {\r
-                Log.i("SQL", "Entering in the #1 ADD in onUpgrade");\r
-                db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +\r
-                           " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC  + " INTEGER " +\r
-                           " DEFAULT 0");\r
-                upgraded = true;\r
-            }\r
-            if (oldVersion < 3 && newVersion >= 3) {\r
-                Log.i("SQL", "Entering in the #2 ADD in onUpgrade");\r
-                db.beginTransaction();\r
-                try {\r
-                    db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +\r
-                               " ADD COLUMN " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA  + " INTEGER " +\r
-                               " DEFAULT 0");\r
-                    \r
-                    // assume there are not local changes pending to upload\r
-                    db.execSQL("UPDATE " + ProviderTableMeta.DB_NAME + \r
-                            " SET " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " = " + System.currentTimeMillis() + \r
-                            " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");\r
-                 \r
-                    upgraded = true;\r
-                    db.setTransactionSuccessful();\r
-                } finally {\r
-                    db.endTransaction();\r
-                }\r
-            }\r
-            if (oldVersion < 4 && newVersion >= 4) {\r
-                Log.i("SQL", "Entering in the #3 ADD in onUpgrade");\r
-                db.beginTransaction();\r
-                try {\r
-                    db .execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +\r
-                           " ADD COLUMN " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA  + " INTEGER " +\r
-                           " DEFAULT 0");\r
-                \r
-                    db.execSQL("UPDATE " + ProviderTableMeta.DB_NAME + \r
-                           " SET " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " = " + ProviderTableMeta.FILE_MODIFIED + \r
-                           " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");\r
-                \r
-                    upgraded = true;\r
-                    db.setTransactionSuccessful();\r
-                } finally {\r
-                    db.endTransaction();\r
-                }\r
-            }\r
-            if (!upgraded)\r
-                Log.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);\r
-        }\r
-\r
-    }\r
-\r
-}\r
+/* ownCloud Android client application
+ *   Copyright (C) 2011  Bartek Przybylski
+ *   Copyright (C) 2012-2013 ownCloud Inc.
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   as published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package com.owncloud.android.providers;
+
+import java.util.HashMap;
+
+import com.owncloud.android.Log_OC;
+import com.owncloud.android.db.ProviderMeta;
+import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
+
+
+import android.content.ContentProvider;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.SQLException;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.net.Uri;
+import android.text.TextUtils;
+
+/**
+ * The ContentProvider for the ownCloud App.
+ * 
+ * @author Bartek Przybylski
+ * 
+ */
+public class FileContentProvider extends ContentProvider {
+
+    private DataBaseHelper mDbHelper;
+
+    private static HashMap<String, String> mProjectionMap;
+    static {
+        mProjectionMap = new HashMap<String, String>();
+        mProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
+        mProjectionMap.put(ProviderTableMeta.FILE_PARENT,
+                ProviderTableMeta.FILE_PARENT);
+        mProjectionMap.put(ProviderTableMeta.FILE_PATH,
+                ProviderTableMeta.FILE_PATH);
+        mProjectionMap.put(ProviderTableMeta.FILE_NAME,
+                ProviderTableMeta.FILE_NAME);
+        mProjectionMap.put(ProviderTableMeta.FILE_CREATION,
+                ProviderTableMeta.FILE_CREATION);
+        mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,
+                ProviderTableMeta.FILE_MODIFIED);
+        mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
+                ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA);
+        mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,
+                ProviderTableMeta.FILE_CONTENT_LENGTH);
+        mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,
+                ProviderTableMeta.FILE_CONTENT_TYPE);
+        mProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,
+                ProviderTableMeta.FILE_STORAGE_PATH);
+        mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE,
+                ProviderTableMeta.FILE_LAST_SYNC_DATE);
+        mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
+                ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA);
+        mProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC,
+                ProviderTableMeta.FILE_KEEP_IN_SYNC);
+        mProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,
+                ProviderTableMeta.FILE_ACCOUNT_OWNER);
+    }
+
+    private static final int SINGLE_FILE = 1;
+    private static final int DIRECTORY = 2;
+    private static final int ROOT_DIRECTORY = 3;
+    private static final UriMatcher mUriMatcher;
+    static {
+        mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "/", ROOT_DIRECTORY);
+        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/", SINGLE_FILE);
+        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/#", SINGLE_FILE);
+        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "dir/#", DIRECTORY);
+    }
+
+    @Override
+    public int delete(Uri uri, String where, String[] whereArgs) {
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        int count = 0;
+        switch (mUriMatcher.match(uri)) {
+        case SINGLE_FILE:
+            count = db.delete(ProviderTableMeta.DB_NAME,
+                    ProviderTableMeta._ID
+                            + "="
+                            + uri.getPathSegments().get(1)
+                            + (!TextUtils.isEmpty(where) ? " AND (" + where
+                                    + ")" : ""), whereArgs);
+            break;
+        case ROOT_DIRECTORY:
+            count = db.delete(ProviderTableMeta.DB_NAME, where, whereArgs);
+            break;
+        default:
+            throw new IllegalArgumentException("Unknown uri: " + uri.toString());
+        }
+        getContext().getContentResolver().notifyChange(uri, null);
+        return count;
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        switch (mUriMatcher.match(uri)) {
+        case ROOT_DIRECTORY:
+            return ProviderTableMeta.CONTENT_TYPE;
+        case SINGLE_FILE:
+            return ProviderTableMeta.CONTENT_TYPE_ITEM;
+        default:
+            throw new IllegalArgumentException("Unknown Uri id."
+                    + uri.toString());
+        }
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        if (mUriMatcher.match(uri) != SINGLE_FILE &&
+            mUriMatcher.match(uri) != ROOT_DIRECTORY) {
+            
+            throw new IllegalArgumentException("Unknown uri id: " + uri);
+        }
+
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        long rowId = db.insert(ProviderTableMeta.DB_NAME, null, values);
+        if (rowId > 0) {
+            Uri insertedFileUri = ContentUris.withAppendedId(
+                    ProviderTableMeta.CONTENT_URI_FILE, rowId);
+            getContext().getContentResolver().notifyChange(insertedFileUri,
+                    null);
+            return insertedFileUri;
+        }
+        throw new SQLException("ERROR " + uri);
+    }
+
+    @Override
+    public boolean onCreate() {
+        mDbHelper = new DataBaseHelper(getContext());
+        return true;
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection,
+            String[] selectionArgs, String sortOrder) {
+        SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();
+
+        sqlQuery.setTables(ProviderTableMeta.DB_NAME);
+        sqlQuery.setProjectionMap(mProjectionMap);
+
+        switch (mUriMatcher.match(uri)) {
+        case ROOT_DIRECTORY:
+            break;
+        case DIRECTORY:
+            sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="
+                    + uri.getPathSegments().get(1));
+            break;
+        case SINGLE_FILE:
+            if (uri.getPathSegments().size() > 1) {
+                sqlQuery.appendWhere(ProviderTableMeta._ID + "="
+                        + uri.getPathSegments().get(1));
+            }
+            break;
+        default:
+            throw new IllegalArgumentException("Unknown uri id: " + uri);
+        }
+
+        String order;
+        if (TextUtils.isEmpty(sortOrder)) {
+            order = ProviderTableMeta.DEFAULT_SORT_ORDER;
+        } else {
+            order = sortOrder;
+        }
+
+        SQLiteDatabase db = mDbHelper.getReadableDatabase();
+        Cursor c = sqlQuery.query(db, projection, selection, selectionArgs,
+                null, null, order);
+
+        c.setNotificationUri(getContext().getContentResolver(), uri);
+
+        return c;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection,
+            String[] selectionArgs) {
+        return mDbHelper.getWritableDatabase().update(
+                ProviderTableMeta.DB_NAME, values, selection, selectionArgs);
+    }
+
+    class DataBaseHelper extends SQLiteOpenHelper {
+
+        public DataBaseHelper(Context context) {
+            super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION);
+
+        }
+
+        @Override
+        public void onCreate(SQLiteDatabase db) {
+            // files table
+            Log_OC.i("SQL", "Entering in onCreate");
+            db.execSQL("CREATE TABLE " + ProviderTableMeta.DB_NAME + "("
+                    + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
+                    + ProviderTableMeta.FILE_NAME + " TEXT, "
+                    + ProviderTableMeta.FILE_PATH + " TEXT, "
+                    + ProviderTableMeta.FILE_PARENT + " INTEGER, "
+                    + ProviderTableMeta.FILE_CREATION + " INTEGER, "
+                    + ProviderTableMeta.FILE_MODIFIED + " INTEGER, "
+                    + ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, "
+                    + ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, "
+                    + ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, "
+                    + ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT, "
+                    + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "
+                    + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "
+                    + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "
+                    + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER );"
+                    );
+        }
+
+        @Override
+        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+            Log_OC.i("SQL", "Entering in onUpgrade");
+            boolean upgraded = false; 
+            if (oldVersion == 1 && newVersion >= 2) {
+                Log_OC.i("SQL", "Entering in the #1 ADD in onUpgrade");
+                db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
+                           " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC  + " INTEGER " +
+                           " DEFAULT 0");
+                upgraded = true;
+            }
+            if (oldVersion < 3 && newVersion >= 3) {
+                Log_OC.i("SQL", "Entering in the #2 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
+                               " ADD COLUMN " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA  + " INTEGER " +
+                               " DEFAULT 0");
+                    
+                    // assume there are not local changes pending to upload
+                    db.execSQL("UPDATE " + ProviderTableMeta.DB_NAME + 
+                            " SET " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " = " + System.currentTimeMillis() + 
+                            " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
+                 
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (oldVersion < 4 && newVersion >= 4) {
+                Log_OC.i("SQL", "Entering in the #3 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db .execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
+                           " ADD COLUMN " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA  + " INTEGER " +
+                           " DEFAULT 0");
+                
+                    db.execSQL("UPDATE " + ProviderTableMeta.DB_NAME + 
+                           " SET " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " = " + ProviderTableMeta.FILE_MODIFIED + 
+                           " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
+                
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
+        }
+
+    }
+
+}