code: public PreparedStatement getPreparedUpdate(Update update, String storeName) {
  	    String tableName = storeToCQLName(storeName);
  	    return m_statementCache.getPreparedUpdate(tableName, update);
  	}
docs: Get the {@link PreparedStatement} for the given {@link CQLStatementCache.Update} to
  the given table name. If needed, the update statement is compiled and cached.
  
  @param update        Update statement type.
  @param storeName     Store (ColumnFamily) name.
  @return              PreparedStatement for requested table/update.