Improve the MySQL database driver
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index 7035241..0e7c18e 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQL Utility Class
*
@@ -39,12 +37,11 @@
/**
* List databases
*
- * @access private
- * @return bool
+ * @return string
*/
- function _list_databases()
+ public function _list_databases()
{
- return "SHOW DATABASES";
+ return 'SHOW DATABASES';
}
// --------------------------------------------------------------------
@@ -54,13 +51,12 @@
*
* Generates a platform-specific query so that a table can be optimized
*
- * @access private
* @param string the table name
- * @return object
+ * @return string
*/
- function _optimize_table($table)
+ public function _optimize_table($table)
{
- return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
+ return 'OPTIMIZE TABLE '.$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
@@ -70,26 +66,24 @@
*
* Generates a platform-specific query so that a table can be repaired
*
- * @access private
* @param string the table name
- * @return object
+ * @return string
*/
- function _repair_table($table)
+ public function _repair_table($table)
{
- return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
+ return 'REPAIR TABLE '.$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
* MySQL Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ public function _backup($params = array())
{
- if (count($params) == 0)
+ if (count($params) === 0)
{
return FALSE;
}
@@ -99,16 +93,16 @@
// Build the output
$output = '';
- foreach ((array)$tables as $table)
+ foreach ( (array) $tables as $table)
{
// Is the table in the "ignore" list?
- if (in_array($table, (array)$ignore, TRUE))
+ if (in_array($table, (array) $ignore, TRUE))
{
continue;
}
// Get the table schema
- $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
+ $query = $this->db->query('SHOW CREATE TABLE `'.$this->db->database.'`.`'.$table.'`');
// No result means the table name was invalid
if ($query === FALSE)
@@ -141,7 +135,7 @@
}
// Grab all the data from the current table
- $query = $this->db->query("SELECT * FROM $table");
+ $query = $this->db->query('SELECT * FROM '.$table);
if ($query->num_rows() == 0)
{
@@ -149,7 +143,7 @@
}
// Fetch the field names and determine if the field is an
- // integer type. We use this info to decide whether to
+ // integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
@@ -158,11 +152,9 @@
while ($field = mysql_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
- $is_int[$i] = (in_array(
- strtolower(mysql_field_type($query->result_id, $i)),
- array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
- TRUE)
- ) ? TRUE : FALSE;
+ $is_int[$i] = in_array(strtolower(mysql_field_type($query->result_id, $i)),
+ array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
+ TRUE);
// Create a string of field names
$field_str .= '`'.$field->name.'`, ';
@@ -170,8 +162,7 @@
}
// Trim off the end comma
- $field_str = preg_replace( "/, $/" , "" , $field_str);
-
+ $field_str = preg_replace('/, $/' , '', $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
@@ -189,14 +180,7 @@
else
{
// Escape the data if it's not an integer
- if ($is_int[$i] == FALSE)
- {
- $val_str .= $this->db->escape($v);
- }
- else
- {
- $val_str .= $v;
- }
+ $val_str .= ($is_int[$i] == FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma
@@ -205,13 +189,13 @@
}
// Remove the comma at the end of the string
- $val_str = preg_replace( "/, $/" , "" , $val_str);
+ $val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
- $output .= $newline.$newline;
+ return $output.$newline.$newline;
}
return $output;
@@ -219,4 +203,4 @@
}
/* End of file mysql_utility.php */
-/* Location: ./system/database/drivers/mysql/mysql_utility.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/mysql/mysql_utility.php */