code: @Override
  	public void execute(SQLiteDatabase database, int previuosVersion, int currentVersion) {
  		List<String> executionList=null;
  	
  		if (inputStream==null) {
  			File f = new File(schemaDefinitionFile);
  			executionList = SQLiteUpdateTaskHelper.readSQLFromFile(schemaDefinitionFile);
  			Logger.info("Load DDL from " + f.getAbsolutePath());
  		} else {
  			executionList = SQLiteUpdateTaskHelper.readSQLFromFile(inputStream);
  			Logger.info("Load DDL from stream");
  		}
  		
  		for (String item : executionList) {
  			Logger.info(item);
  			database.execSQL(item);
  		}
  
  	}
docs: /* (non-Javadoc)
  @see com.abubusoft.kripton.android.sqlite.SQLiteUpdateTask#execute(android.database.sqlite.SQLiteDatabase, int, int)