diff options
Diffstat (limited to 'system/database/drivers/mysql')
-rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 80 | ||||
-rw-r--r-- | system/database/drivers/mysql/mysql_forge.php | 12 | ||||
-rw-r--r-- | system/database/drivers/mysql/mysql_result.php | 20 | ||||
-rw-r--r-- | system/database/drivers/mysql/mysql_utility.php | 2 |
4 files changed, 54 insertions, 60 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index c88a8a766..ba646d226 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_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 * @@ -144,26 +144,25 @@ class CI_DB_mysql_driver extends CI_DB { * Set client character set * * @param string - * @param string * @return bool */ - public function db_set_charset($charset, $collation) + protected function _db_set_charset($charset) { - return function_exists('mysql_set_charset') - ? @mysql_set_charset($charset, $this->conn_id) - : @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); + return @mysql_set_charset($charset, $this->conn_id); } // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return 'SELECT version() AS ver'; + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id); } // -------------------------------------------------------------------- @@ -287,18 +286,7 @@ class CI_DB_mysql_driver extends CI_DB { return $str; } - if (function_exists('mysql_real_escape_string') && is_resource($this->conn_id)) - { - $str = mysql_real_escape_string($str, $this->conn_id); - } - elseif (function_exists('mysql_escape_string')) - { - $str = mysql_escape_string($str); - } - else - { - $str = addslashes($str); - } + $str = is_resource($this->conn_id) ? mysql_real_escape_string($str, $this->conn_id) : addslashes($str); // escape LIKE condition wildcards if ($like === TRUE) @@ -402,40 +390,50 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved + * Returns an object with field data * * @param string the table name - * @return string + * @return object */ - public function _field_data($table) + public function field_data($table = '') { - return 'DESCRIBE '.$table; - } + if ($table == '') + { + return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; + } - // -------------------------------------------------------------------- + $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); + $query = $query->result_object(); - /** - * The error message string - * - * @return string - */ - protected function _error_message() - { - return mysql_error($this->conn_id); + $retval = array(); + for ($i = 0, $c = count($query); $i < $c; $i++) + { + 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'); + } + + return $retval; } // -------------------------------------------------------------------- /** - * The error message number + * Error * - * @return int + * Returns an array containing code and message of the last + * database error that has occured. + * + * @return array */ - protected function _error_number() + public function error() { - return mysql_errno($this->conn_id); + return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id)); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index 0f251b086..d317ac3e0 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.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 * @@ -66,7 +66,7 @@ class CI_DB_mysql_forge extends CI_DB_forge { * @param mixed the fields * @return string */ - private function _process_fields($fields) + protected function _process_fields($fields) { $current_field_count = 0; $sql = ''; @@ -151,7 +151,7 @@ class CI_DB_mysql_forge extends CI_DB_forge { if (count($primary_keys) > 0) { - $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys)); + $key_name = $this->db->protect_identifiers(implode('_', $primary_keys)); $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')'; } @@ -161,12 +161,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { { if (is_array($key)) { - $key_name = $this->db->_protect_identifiers(implode('_', $key)); - $key = $this->db->_protect_identifiers($key); + $key_name = $this->db->protect_identifiers(implode('_', $key)); + $key = $this->db->protect_identifiers($key); } else { - $key_name = $this->db->_protect_identifiers($key); + $key_name = $this->db->protect_identifiers($key); $key = array($key_name); } diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php index 8f04a936d..cec28dc2d 100644 --- a/system/database/drivers/mysql/mysql_result.php +++ b/system/database/drivers/mysql/mysql_result.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 * @@ -90,18 +90,14 @@ class CI_DB_mysql_result extends CI_DB_result { public function field_data() { $retval = array(); - while ($field = mysql_fetch_object($this->result_id)) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { - preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); - - $F = new stdClass(); - $F->name = $field->Field; - $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL; - $F->default = $field->Default; - $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; - $F->primary_key = (int) ($field->Key === 'PRI'); - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = mysql_field_name($this->result_id, $i); + $retval[$i]->type = mysql_field_type($this->result_id, $i); + $retval[$i]->max_length = mysql_field_len($this->result_id, $i); + $retval[$i]->primary_key = (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') === FALSE) ? 0 : 1; + $retval[$i]->default = ''; } return $retval; diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index 952f887fe..d716b004a 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.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 * |