sql = new $class; } // -------------------------------------------------------------------------- /** * Empty a database table * * @param string $table */ public function truncate($table) { // Firebird lacka a truncate command $sql = 'DELETE FROM "'.$table.'"'; $this->query($sql); } // -------------------------------------------------------------------------- /** * List tables for the current database * * @return array */ public function get_tables() { $sql = <<statement = $this->query($sql); $tables = array(); while($row = $this->fetch(PDO::FETCH_ASSOC)) { $tables[] = $row['RDB$RELATION_NAME']; } return $tables; } // -------------------------------------------------------------------------- /** * List system tables for the current database * * @return array */ public function get_system_tables() { $sql = <<statement = $this->query($sql); $tables = array(); while($row = $this->fetch(PDO::FETCH_ASSOC)) { $tables[] = $row['RDB$RELATION_NAME']; } return $tables; } // -------------------------------------------------------------------------- /** * Return the number of rows returned for a SELECT query * * @return int */ public function num_rows() { // @todo: Redo this similar to the codeigniter driver if(isset($this->result)) { return count($this->result); } //Fetch all the rows for the result $this->result = $this->fetchAll(); return count($this->result); } // -------------------------------------------------------------------------- /** * Create an SQL backup file for the current database's structure * * @return string */ public function backup_structure() { // @todo Implement Backup function return ''; } // -------------------------------------------------------------------------- /** * Create an SQL backup file for the current database's data * * @param array $exclude * @param bool $system_tables * @return string */ public function backup_data($exclude=array(), $system_tables=FALSE) { // Determine which tables to use if($system_tables == TRUE) { $tables = array_merge($this->get_system_tables(), $this->get_tables()); } else { $tables = $this->get_tables(); } // Filter out the tables you don't want if( ! empty($exclude)) { $tables = array_diff($tables, $exclude); } $output_sql = ''; // Get the data for each object foreach($tables as $t) { $sql = 'SELECT * FROM "'.trim($t).'"'; $res = $this->query($sql); $obj_res = $this->fetchAll(PDO::FETCH_ASSOC); unset($res); // Nab the column names by getting the keys of the first row $columns = @array_keys($obj_res[0]); $insert_rows = array(); // Create the insert statements foreach($obj_res as $row) { $row = array_values($row); // Quote values as needed by type if(stripos($t, 'RDB$') === FALSE) { $row = array_map(array(&$this, 'quote'), $row); $row = array_map('trim', $row); } $row_string = 'INSERT INTO "'.trim($t).'" ("'.implode('","', $columns).'") VALUES ('.implode(',', $row).');'; unset($row); $insert_rows[] = $row_string; } unset($obj_res); $output_sql .= "\n\nSET TRANSACTION;\n".implode("\n", $insert_rows)."\nCOMMIT;"; } return $output_sql; } } // End of firebird.php