diff options
Diffstat (limited to 'system/database/drivers')
-rw-r--r-- | system/database/drivers/pdo/pdo_driver.php | 124 | ||||
-rw-r--r-- | system/database/drivers/pdo/pdo_result.php | 25 | ||||
-rw-r--r-- | system/database/drivers/pdo/pdo_utility.php | 12 |
3 files changed, 98 insertions, 63 deletions
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 727f097f8..658a3d5a0 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -42,31 +42,28 @@ */ class CI_DB_pdo_driver extends CI_DB { - public $dbdriver = 'pdo'; + var $dbdriver = 'pdo'; // the character used to excape - not necessary for PDO - protected $_escape_char = ''; + var $_escape_char = ''; // clause and character used for LIKE escape sequences - protected $_like_escape_str; - protected $_like_escape_chr; + var $_like_escape_str; + var $_like_escape_chr; /** * The syntax to count rows is slightly different across different * database engines, so this string appears in each driver and is - * used for the count_all() and count_all_results() public functions. + * used for the count_all() and count_all_results() functions. */ - protected $_count_string = "SELECT COUNT(*) AS "; - protected $_random_keyword; + var $_count_string = "SELECT COUNT(*) AS "; + var $_random_keyword; // need to track the pdo driver and options - protected $pdodriver; - protected $options = array(); + var $pdodriver; + var $options = array(); - /** - * Pre-connection setup - */ - public function __construct($params) + function __construct($params) { parent::__construct($params); @@ -107,10 +104,11 @@ class CI_DB_pdo_driver extends CI_DB { /** * Connection String * + * @access private * @param array * @return void */ - protected function _connect_string($params) + function _connect_string($params) { if (strpos($this->hostname, ':')) { @@ -192,9 +190,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Non-persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_connect() + function db_connect() { $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; @@ -206,9 +205,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_pconnect() + function db_pconnect() { $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; $this->options[PDO::ATTR_PERSISTENT] = TRUE; @@ -221,9 +221,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * PDO connection * + * @access private called by the PDO driver class * @return resource */ - protected function pdo_connect() + function pdo_connect() { // Refer : http://php.net/manual/en/ref.pdo-mysql.connection.php if ($this->pdodriver == 'mysql' && is_php('5.3.6')) @@ -257,9 +258,10 @@ class CI_DB_pdo_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * + * @access public * @return void */ - public function reconnect() + function reconnect() { if ($this->db->db_debug) { @@ -274,9 +276,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Select the database * + * @access private called by the base class * @return resource */ - protected function db_select() + function db_select() { // Not needed for PDO return TRUE; @@ -301,10 +304,11 @@ class CI_DB_pdo_driver extends CI_DB { /** * Execute the query * + * @access private called by the base class * @param string an SQL query * @return object */ - protected function _execute($sql) + function _execute($sql) { $sql = $this->_prep_query($sql); @@ -329,10 +333,11 @@ class CI_DB_pdo_driver extends CI_DB { * * If needed, each database adapter can prep the query string * + * @access private called by execute() * @param string an SQL query * @return string */ - protected function _prep_query($sql) + function _prep_query($sql) { if ($this->pdodriver === 'pgsql') { @@ -342,7 +347,7 @@ class CI_DB_pdo_driver extends CI_DB { elseif ($this->pdodriver === 'sqlite') { // Change the backtick(s) for SQLite - $sql = str_replace('`', '"', $sql); + $sql = str_replace('`', '', $sql); } return $sql; @@ -353,9 +358,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Begin Transaction * + * @access public * @return bool */ - public function trans_begin($test_mode = FALSE) + function trans_begin($test_mode = FALSE) { if ( ! $this->trans_enabled) { @@ -381,9 +387,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Commit Transaction * + * @access public * @return bool */ - public function trans_commit() + function trans_commit() { if ( ! $this->trans_enabled) { @@ -406,9 +413,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Rollback Transaction * + * @access public * @return bool */ - public function trans_rollback() + function trans_rollback() { if ( ! $this->trans_enabled) { @@ -431,11 +439,12 @@ class CI_DB_pdo_driver extends CI_DB { /** * Escape String * + * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - public function escape_str($str, $like = FALSE) + function escape_str($str, $like = FALSE) { if (is_array($str)) { @@ -474,9 +483,10 @@ class CI_DB_pdo_driver extends CI_DB { /** * Affected Rows * + * @access public * @return integer */ - public function affected_rows() + function affected_rows() { return $this->affect_rows; } @@ -508,10 +518,11 @@ class CI_DB_pdo_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * + * @access public * @param string * @return string */ - public function count_all($table = '') + function count_all($table = '') { if ($table == '') { @@ -539,19 +550,20 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * + * @access private * @param boolean * @return string */ - protected function _list_tables($prefix_limit = FALSE) + function _list_tables($prefix_limit = FALSE) { if ($this->pdodriver == 'pgsql') { - // Analog public function to show all tables in postgre + // Analog function to show all tables in postgre $sql = "SELECT * FROM information_schema.tables WHERE table_schema = 'public'"; } elseif ($this->pdodriver == 'sqlite') { - // Analog public function to show all tables in sqlite + // Analog function to show all tables in sqlite $sql = "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'"; } else @@ -574,10 +586,11 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * + * @access public * @param string the table name * @return string */ - public function _list_columns($table = '') + function _list_columns($table = '') { return 'SHOW COLUMNS FROM '.$this->_from_tables($table); } @@ -589,24 +602,25 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific query so that the column data can be retrieved * + * @access public * @param string the table name * @return object */ - public function _field_data($table) + function _field_data($table) { if ($this->pdodriver == 'mysql' or $this->pdodriver == 'pgsql') { - // Analog public function for mysql and postgre + // Analog function for mysql and postgre return 'SELECT * FROM '.$this->_from_tables($table).' LIMIT 1'; } elseif ($this->pdodriver == 'oci') { - // Analog public function for oci + // Analog function for oci return 'SELECT * FROM '.$this->_from_tables($table).' WHERE ROWNUM <= 1'; } elseif ($this->pdodriver == 'sqlite') { - // Analog public function for sqlite + // Analog function for sqlite return 'PRAGMA table_info('.$this->_from_tables($table).')'; } @@ -647,12 +661,13 @@ class CI_DB_pdo_driver extends CI_DB { /** * Escape the SQL Identifiers * - * This public function escapes column and table names + * This function escapes column and table names * + * @access private * @param string * @return string */ - protected function _escape_identifiers($item) + function _escape_identifiers($item) { if ($this->_escape_char == '') { @@ -689,13 +704,14 @@ class CI_DB_pdo_driver extends CI_DB { /** * From Tables * - * This public function implicitly groups FROM tables so there is no confusion + * This function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * + * @access public * @param type * @return type */ - public function _from_tables($tables) + function _from_tables($tables) { if ( ! is_array($tables)) { @@ -712,12 +728,13 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * + * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - public function _insert($table, $keys, $values) + function _insert($table, $keys, $values) { return 'INSERT INTO '.$this->_from_tables($table).' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } @@ -729,12 +746,13 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * + * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - public function _insert_batch($table, $keys, $values) + function _insert_batch($table, $keys, $values) { return 'INSERT INTO '.$this->_from_tables($table).' ('.implode(', ', $keys).') VALUES '.implode(', ', $values); } @@ -746,6 +764,7 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * + * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -753,7 +772,7 @@ class CI_DB_pdo_driver extends CI_DB { * @param array the limit clause * @return string */ - public function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) { foreach ($values as $key => $val) { @@ -777,12 +796,13 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific batch update string from the supplied data * + * @access public * @param string the table name * @param array the update data * @param array the where clause * @return string */ - public function _update_batch($table, $values, $index, $where = NULL) + function _update_batch($table, $values, $index, $where = NULL) { $ids = array(); $where = ($where != '' && count($where) >=1) ? implode(" ", $where).' AND ' : ''; @@ -829,12 +849,13 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific truncate string from the supplied data * If the database does not support the truncate() command - * This public function maps to "DELETE FROM table" + * This function maps to "DELETE FROM table" * + * @access public * @param string the table name * @return string */ - public function _truncate($table) + function _truncate($table) { return $this->_delete($table); } @@ -846,12 +867,13 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * + * @access public * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - public function _delete($table, $where = array(), $like = array(), $limit = FALSE) + function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; @@ -880,12 +902,13 @@ class CI_DB_pdo_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * + * @access public * @param string the sql query string * @param integer the number of rows to limit the query to * @param integer the offset value * @return string */ - public function _limit($sql, $limit, $offset) + function _limit($sql, $limit, $offset) { if ($this->pdodriver == 'cubrid' OR $this->pdodriver == 'sqlite') { @@ -907,10 +930,11 @@ class CI_DB_pdo_driver extends CI_DB { /** * Close DB Connection * + * @access public * @param resource * @return void */ - public function _close($conn_id) + function _close($conn_id) { $this->conn_id = null; } @@ -918,4 +942,4 @@ class CI_DB_pdo_driver extends CI_DB { } /* End of file pdo_driver.php */ -/* Location: ./system/database/drivers/pdo/pdo_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/pdo/pdo_driver.php */ diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php index 330a2e677..384b753da 100644 --- a/system/database/drivers/pdo/pdo_result.php +++ b/system/database/drivers/pdo/pdo_result.php @@ -51,9 +51,10 @@ class CI_DB_pdo_result extends CI_DB_result { /** * Number of rows in the result set * + * @access public * @return integer */ - public function num_rows() + function num_rows() { if (empty($this->result_id) OR ! is_object($this->result_id)) { @@ -73,9 +74,10 @@ class CI_DB_pdo_result extends CI_DB_result { /** * Fetch the result handler * + * @access public * @return mixed */ - public function result_assoc() + function result_assoc() { // If the result already fetched before, use that one if (count($this->result_array) > 0 OR $this->is_fetched) @@ -114,9 +116,10 @@ class CI_DB_pdo_result extends CI_DB_result { /** * Number of fields in the result set * + * @access public * @return integer */ - public function num_fields() + function num_fields() { return $this->result_id->columnCount(); } @@ -128,9 +131,10 @@ class CI_DB_pdo_result extends CI_DB_result { * * Generates an array of column names * + * @access public * @return array */ - public function list_fields() + function list_fields() { if ($this->db->db_debug) { @@ -147,9 +151,10 @@ class CI_DB_pdo_result extends CI_DB_result { * * Generates an array of objects containing field meta-data * + * @access public * @return array */ - public function field_data() + function field_data() { $data = array(); @@ -219,7 +224,7 @@ class CI_DB_pdo_result extends CI_DB_result { * * @return null */ - public function free_result() + function free_result() { if (is_object($this->result_id)) { @@ -236,9 +241,10 @@ class CI_DB_pdo_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * + * @access private * @return array */ - protected function _data_seek($n = 0) + function _data_seek($n = 0) { return FALSE; } @@ -250,9 +256,10 @@ class CI_DB_pdo_result extends CI_DB_result { * * Returns the result set as an array * + * @access private * @return array */ - protected function _fetch_assoc() + function _fetch_assoc() { return $this->result_id->fetch(PDO::FETCH_ASSOC); } @@ -267,7 +274,7 @@ class CI_DB_pdo_result extends CI_DB_result { * @access private * @return object */ - protected function _fetch_object() + function _fetch_object() { return $this->result_id->fetchObject(); } diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php index 2c12d7438..c278c5172 100644 --- a/system/database/drivers/pdo/pdo_utility.php +++ b/system/database/drivers/pdo/pdo_utility.php @@ -39,9 +39,10 @@ class CI_DB_pdo_utility extends CI_DB_utility { /** * List databases * + * @access private * @return bool */ - protected function _list_databases() + function _list_databases() { // Not sure if PDO lets you list all databases... if ($this->db->db_debug) @@ -58,10 +59,11 @@ class CI_DB_pdo_utility extends CI_DB_utility { * * Generates a platform-specific query so that a table can be optimized * + * @access private * @param string the table name * @return object */ - protected function _optimize_table($table) + function _optimize_table($table) { // Not a supported PDO feature if ($this->db->db_debug) @@ -78,10 +80,11 @@ class CI_DB_pdo_utility extends CI_DB_utility { * * Generates a platform-specific query so that a table can be repaired * + * @access private * @param string the table name * @return object */ - protected function _repair_table($table) + function _repair_table($table) { // Not a supported PDO feature if ($this->db->db_debug) @@ -96,10 +99,11 @@ class CI_DB_pdo_utility extends CI_DB_utility { /** * PDO Export * + * @access private * @param array Preferences * @return mixed */ - protected function _backup($params = array()) + function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); |