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Diffstat (limited to 'system/database/drivers/mysqli/mysqli_driver.php')
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php342
1 files changed, 70 insertions, 272 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index a79b2a4ad..d3fb77a22 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -29,7 +29,7 @@
* MySQLi Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
@@ -47,7 +47,7 @@ class CI_DB_mysqli_driver extends CI_DB {
// clause and character used for LIKE escape sequences - not used in MySQL
protected $_like_escape_str = '';
- protected $_like_escape_chr = '';
+ protected $_like_escape_chr = '\\';
/**
* The syntax to count rows is slightly different across different
@@ -71,9 +71,9 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function db_connect()
{
- return ($this->port != '')
- ? @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port)
- : @mysqli_connect($this->hostname, $this->username, $this->password, $this->database);
+ return empty($this->port)
+ ? @new mysqli($this->hostname, $this->username, $this->password, $this->database)
+ : @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port);
}
// --------------------------------------------------------------------
@@ -91,9 +91,9 @@ class CI_DB_mysqli_driver extends CI_DB {
return $this->db_connect();
}
- return ($this->port != '')
- ? @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port)
- : @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database);
+ return empty($this->port)
+ ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database)
+ : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port);
}
// --------------------------------------------------------------------
@@ -108,7 +108,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function reconnect()
{
- if (mysqli_ping($this->conn_id) === FALSE)
+ if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE)
{
$this->conn_id = FALSE;
}
@@ -119,11 +119,23 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysqli_select_db($this->conn_id, $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@$this->conn_id->select_db($database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -132,26 +144,25 @@ class CI_DB_mysqli_driver extends CI_DB {
* Set client character set
*
* @param string
- * @param string
* @return bool
*/
- protected function _db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- return function_exists('mysqli_set_charset')
- ? @mysqli_set_charset($this->conn_id, $charset)
- : @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
+ return @$this->conn_id->set_charset($charset);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
- return @mysqli_get_server_info($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = $this->conn_id->server_info;
}
// --------------------------------------------------------------------
@@ -164,7 +175,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _execute($sql)
{
- return @mysqli_query($this->conn_id, $this->_prep_query($sql));
+ return @$this->conn_id->query($this->_prep_query($sql));
}
// --------------------------------------------------------------------
@@ -275,23 +286,14 @@ class CI_DB_mysqli_driver extends CI_DB {
return $str;
}
- if (function_exists('mysqli_real_escape_string') && is_object($this->conn_id))
- {
- $str = mysqli_real_escape_string($this->conn_id, $str);
- }
- elseif (function_exists('mysql_escape_string'))
- {
- $str = mysql_escape_string($str);
- }
- else
- {
- $str = addslashes($str);
- }
+ $str = is_object($this->conn_id) ? $this->conn_id->real_escape_string($str) : addslashes($str);
// escape LIKE condition wildcards
if ($like === TRUE)
{
- return str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -306,7 +308,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function affected_rows()
{
- return @mysqli_affected_rows($this->conn_id);
+ return $this->conn_id->affected_rows;
}
// --------------------------------------------------------------------
@@ -318,36 +320,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function insert_id()
{
- return @mysqli_insert_id($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @param string
- * @return string
- */
- public function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string.$this->_protect_identifiers('numrows').' FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE));
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $query = $query->row();
- $this->_reset_select();
- return (int) $query->numrows;
+ return $this->conn_id->insert_id;
}
// --------------------------------------------------------------------
@@ -357,7 +330,6 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
* @param bool
* @return string
*/
@@ -365,7 +337,7 @@ class CI_DB_mysqli_driver extends CI_DB {
{
$sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char;
- if ($prefix_limit !== FALSE && $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
@@ -385,183 +357,56 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return 'SHOW COLUMNS FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
* @param string the table name
- * @return string
- */
- protected function _field_data($table)
- {
- return 'DESCRIBE '.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @return string
- */
- protected function _error_message()
- {
- return mysqli_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @return int
- */
- protected function _error_number()
- {
- return mysqli_errno($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @param string
- * @return string
+ * @return object
*/
- public function _escape_identifiers($item)
+ public function field_data($table = '')
{
- if ($this->_escape_char == '')
+ if ($table === '')
{
- return $item;
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
}
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $item = str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item);
- }
- }
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- if (strpos($item, '.') !== FALSE)
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
{
- $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item);
+ preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->Field;
+ $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1];
+ $retval[$i]->default = $query[$i]->Default;
+ $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]);
+ $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char);
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * From Tables
+ * Error
*
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @param string
- * @return string
+ * @return array
*/
- protected function _from_tables($tables)
+ public function error()
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert($table, $keys, $values)
- {
- return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert_batch($table, $keys, $values)
- {
- return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _replace($table, $keys, $values)
- {
- return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key.' = '.$val;
- }
-
- return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
- .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '')
- .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '')
- .( ! $limit ? '' : ' LIMIT '.$limit);
+ return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error);
}
// --------------------------------------------------------------------
@@ -585,7 +430,7 @@ class CI_DB_mysqli_driver extends CI_DB {
foreach (array_keys($val) as $field)
{
- if ($field != $index)
+ if ($field !== $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
@@ -600,62 +445,16 @@ class CI_DB_mysqli_driver extends CI_DB {
.'ELSE '.$k.' END, ';
}
- $where = ($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '';
+ $where = ($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '';
return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
- .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
.$index.' IN('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
/**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @param string the table name
- * @return string
- */
- protected function _truncate($table)
- {
- return 'TRUNCATE '.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ".implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= ' AND ';
- }
- $conditions .= implode("\n", $like);
- }
-
- return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Limit string
*
* Generates a platform-specific LIMIT clause
@@ -676,15 +475,14 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Close DB Connection
*
- * @param object
* @return void
*/
- protected function _close($conn_id)
+ protected function _close()
{
- @mysqli_close($conn_id);
+ $this->conn_id->close();
}
}
/* End of file mysqli_driver.php */
-/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */
+/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2025-01-11 12:20:51 +0100