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author | lado <herrlado@gmail.com> | 2012-01-22 23:12:33 +0100 |
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committer | lado <herrlado@gmail.com> | 2012-01-22 23:12:33 +0100 |
commit | d55de8e999c09e12cbf489413b2fbc66b7275c46 (patch) | |
tree | 883d9899e483080e31384124a95884b93761e8b5 /vdrmanager | |
parent | 8d3b5d30d328a178081cd95dc9cf463766a2c834 (diff) | |
download | vdr-manager-d55de8e999c09e12cbf489413b2fbc66b7275c46.tar.gz vdr-manager-d55de8e999c09e12cbf489413b2fbc66b7275c46.tar.bz2 |
Alter DB
Diffstat (limited to 'vdrmanager')
-rw-r--r-- | vdrmanager/src/de/bjusystems/vdrmanager/data/db/OrmDatabaseHelper.java | 146 |
1 files changed, 111 insertions, 35 deletions
diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/data/db/OrmDatabaseHelper.java b/vdrmanager/src/de/bjusystems/vdrmanager/data/db/OrmDatabaseHelper.java index a9e0dd9..55f8314 100644 --- a/vdrmanager/src/de/bjusystems/vdrmanager/data/db/OrmDatabaseHelper.java +++ b/vdrmanager/src/de/bjusystems/vdrmanager/data/db/OrmDatabaseHelper.java @@ -1,11 +1,15 @@ package de.bjusystems.vdrmanager.data.db; import java.sql.SQLException; +import java.util.ArrayList; +import java.util.List; +import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.util.Log; +import android.util.Pair; import com.j256.ormlite.android.AndroidCompiledStatement; import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper; @@ -19,27 +23,30 @@ import com.j256.ormlite.table.TableUtils; import de.bjusystems.vdrmanager.data.Vdr; /** - * Database helper class used to manage the creation and upgrading of your database. This class also usually provides - * the DAOs used by the other classes. + * Database helper class used to manage the creation and upgrading of your + * database. This class also usually provides the DAOs used by the other + * classes. */ public class OrmDatabaseHelper extends OrmLiteSqliteOpenHelper { - // name of the database file for your application -- change to something appropriate for your app + public static final String TAG = OrmDatabaseHelper.class.getName(); + // name of the database file for your application -- change to something + // appropriate for your app private static final String DATABASE_NAME = "vdrmanager.db"; - // any time you make changes to your database objects, you may have to increase the database version - private static final int DATABASE_VERSION = 1; + // any time you make changes to your database objects, you may have to + // increase the database version + private static final int DATABASE_VERSION = 2; - private RuntimeExceptionDao<Vdr, Integer> vdrDAO = null; - public OrmDatabaseHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } /** - * This is called when the database is first created. Usually you should call createTable statements here to create - * the tables that will store your data. + * This is called when the database is first created. Usually you should + * call createTable statements here to create the tables that will store + * your data. */ @Override public void onCreate(SQLiteDatabase db, ConnectionSource connectionSource) { @@ -51,39 +58,108 @@ public class OrmDatabaseHelper extends OrmLiteSqliteOpenHelper { throw new RuntimeException(e); } -// // here we try inserting data in the on-create as a test -// RuntimeExceptionDao<Note, Integer> dao = getSimpleDataDao(); -// long millis = System.currentTimeMillis(); -// // create some entries in the onCreate -// Note simple = new Note(); -// dao.create(simple); -// simple = new SimpleData(millis + 1); -// dao.create(simple); -// Log.i(DatabaseHelper.class.getName(), "created new entries in onCreate: " + millis); + // // here we try inserting data in the on-create as a test + // RuntimeExceptionDao<Note, Integer> dao = getSimpleDataDao(); + // long millis = System.currentTimeMillis(); + // // create some entries in the onCreate + // Note simple = new Note(); + // dao.create(simple); + // simple = new SimpleData(millis + 1); + // dao.create(simple); + // Log.i(DatabaseHelper.class.getName(), + // "created new entries in onCreate: " + millis); + } + + private List<ContentValues> backup() throws SQLException { + List<ContentValues> values = new ArrayList<ContentValues>(); + Cursor c = getVdrCursor(); + try { + if (c != null && c.getCount() == 0) { + return values; + } + + c.move(-1); + + while (c.moveToNext()) { + ContentValues cv = new ContentValues(); + for (int i = 0; i < c.getColumnCount(); ++i) { + cv.put(c.getColumnName(i), c.getString(i)); + } + values.add(cv); + } + return values; + } finally { + if (c != null && c.isClosed() == false) { + c.close(); + } + } + } /** - * This is called when your application is upgraded and it has a higher version number. This allows you to adjust - * the various data to match the new version number. + * This is called when your application is upgraded and it has a higher + * version number. This allows you to adjust the various data to match the + * new version number. */ @Override - public void onUpgrade(SQLiteDatabase db, ConnectionSource connectionSource, int oldVersion, int newVersion) { - try { - Log.i(OrmDatabaseHelper.class.getName(), "onUpgrade"); - TableUtils.dropTable(connectionSource, Vdr.class, true); - // after we drop the old databases, we create the new ones - onCreate(db, connectionSource); - } catch (SQLException e) { - Log.e(OrmDatabaseHelper.class.getName(), "Can't drop databases", e); - throw new RuntimeException(e); + public void onUpgrade(SQLiteDatabase db, ConnectionSource connectionSource, + int oldVersion, int newVersion) { + // try { + Log.i(TAG, "onUpgrade to " + newVersion + " from " + oldVersion); + // List<ContentValues> b = backup(); + // Log.i(OrmDatabaseHelper.class.getName(), "backup"); + // Dao<Vdr, Integer> dao = getDao(Vdr.class); + // List<Vdr> backup = dao.queryForAll(); + // if (backup != null) { + // Log.i(OrmDatabaseHelper.class.getName(), + // "backuped " + backup.size() + " instances"); + // } + // TableUtils.dropTable(connectionSource, Vdr.class, true); + // after we drop the old databases, we create the new ones + // onCreate(db, connectionSource); + if (oldVersion == 1) { + + String alter = "ALTER TABLE vdr add livePort INTEGER"; + Log.i(TAG, "exec: " + alter); + int count = getVdrDAO().executeRaw(alter); + Log.i(TAG, "alterd " + count + " rows"); + + alter = "ALTER TABLE vdr add enableRecStreaming SMALLINT"; + Log.i(TAG, "exec: " + alter); + count = getVdrDAO().executeRaw(alter); + Log.i(TAG, "alterd " + count + " rows"); + + alter = "ALTER TABLE vdr add recStreamMethod VARCHAR"; + Log.i(TAG, "exec: " + alter); + count = getVdrDAO().executeRaw(alter); + Log.i(TAG, "alterd " + count + " rows"); + + + String update = "Update vdr set livePort = 8008, enableRecStreaming = 0, recStreamMethod = 'vdr-live'"; + Log.i(TAG, "exec: " + update); + count = getVdrDAO().executeRaw(update); + Log.i(TAG, "alterd " + count + " rows"); } - } + // if (backup != null) { + // for (Vdr v : backup) { + // dao.create(v); + // Log.i(OrmDatabaseHelper.class.getName(), + // "recovered " + v.getName()); + // } + // } + + // getVdrDAO().updateRaw(statement, arguments) + + // } catch (SQLException e) { + // Log.e(OrmDatabaseHelper.class.getName(), "Can't drop databases", e); + // throw new RuntimeException(e); + // } + } - /** - * Returns the Database Access Object (DAO) for our Label class. It will create it or just give the cached - * value. + * Returns the Database Access Object (DAO) for our Label class. It will + * create it or just give the cached value. */ public RuntimeExceptionDao<Vdr, Integer> getVdrDAO() { if (vdrDAO == null) { @@ -107,8 +183,8 @@ public class OrmDatabaseHelper extends OrmLiteSqliteOpenHelper { PreparedQuery<Vdr> preparedQuery = qb.prepare(); AndroidCompiledStatement compiledStatement = (AndroidCompiledStatement) preparedQuery - .compile(getConnectionSource() - .getReadOnlyConnection(), StatementType.SELECT); + .compile(getConnectionSource().getReadOnlyConnection(), + StatementType.SELECT); return compiledStatement.getCursor(); } |