Improve the MySQL database driver
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 0f69a07..067710f 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.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 Database Adapter Class
*
@@ -42,46 +40,47 @@
*/
class CI_DB_mysql_driver extends CI_DB {
- var $dbdriver = 'mysql';
+ public $dbdriver = 'mysql';
// The character used for escaping
- var $_escape_char = '`';
+ protected $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in MySQL
- var $_like_escape_str = '';
- var $_like_escape_chr = '';
-
- /**
- * Whether to use the MySQL "delete hack" which allows the number
- * of affected rows to be shown. Uses a preg_replace when enabled,
- * adding a bit more processing to all queries.
- */
- var $delete_hack = TRUE;
+ protected $_like_escape_str = '';
+ protected $_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() functions.
*/
- var $_count_string = 'SELECT COUNT(*) AS ';
- var $_random_keyword = ' RAND()'; // database specific random keyword
-
- // whether SET NAMES must be used to set the character set
- var $use_set_names;
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' RAND()'; // database specific random keyword
/**
- * Non-persistent database connection
- *
- * @access private called by the base class
- * @return resource
+ * Whether to use the MySQL "delete hack" which allows the number
+ * of affected rows to be shown. Uses a preg_replace when enabled,
+ * adding a bit more processing to all queries.
*/
- function db_connect()
+ public $delete_hack = TRUE;
+
+ public function __construct($params)
{
+ parent::__construct($params);
+
if ($this->port != '')
{
$this->hostname .= ':'.$this->port;
}
+ }
+ /**
+ * Non-persistent database connection
+ *
+ * @return resource
+ */
+ public function db_connect()
+ {
return @mysql_connect($this->hostname, $this->username, $this->password, TRUE);
}
@@ -90,16 +89,10 @@
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- if ($this->port != '')
- {
- $this->hostname .= ':'.$this->port;
- }
-
return @mysql_pconnect($this->hostname, $this->username, $this->password);
}
@@ -111,10 +104,9 @@
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
- * @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
if (mysql_ping($this->conn_id) === FALSE)
{
@@ -127,10 +119,9 @@
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @return bool
*/
- function db_select()
+ public function db_select()
{
return @mysql_select_db($this->database, $this->conn_id);
}
@@ -140,12 +131,11 @@
/**
* Set client character set
*
- * @access public
* @param string
* @param string
- * @return resource
+ * @return bool
*/
- function db_set_charset($charset, $collation)
+ public function db_set_charset($charset, $collation)
{
return function_exists('mysql_set_charset')
? @mysql_set_charset($charset, $this->conn_id)
@@ -157,12 +147,11 @@
/**
* Version number query string
*
- * @access public
* @return string
*/
- function _version()
+ protected function _version()
{
- return "SELECT version() AS ver";
+ return 'SELECT version() AS ver';
}
// --------------------------------------------------------------------
@@ -170,14 +159,12 @@
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
- * @return resource
+ * @return mixed
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
- return @mysql_query($sql, $this->conn_id);
+ return @mysql_query($this->_prep_query($sql), $this->conn_id);
}
// --------------------------------------------------------------------
@@ -187,20 +174,16 @@
*
* If needed, each database adapter can prep the query string
*
- * @access private called by execute()
* @param string an SQL query
* @return string
*/
- function _prep_query($sql)
+ protected function _prep_query($sql)
{
- // "DELETE FROM TABLE" returns 0 affected rows This hack modifies
- // the query so that it returns the number of affected rows
- if ($this->delete_hack === TRUE)
+ // mysql_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
+ // modifies the query so that it a proper number of affected rows is returned.
+ if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
- if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
- {
- $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
- }
+ return preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/', 'DELETE FROM \\1 WHERE 1=1', $sql);
}
return $sql;
@@ -211,18 +194,12 @@
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -230,7 +207,7 @@
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
$this->simple_query('SET AUTOCOMMIT=0');
$this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
@@ -242,18 +219,12 @@
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -268,18 +239,12 @@
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -294,12 +259,11 @@
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -311,7 +275,7 @@
return $str;
}
- if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))
+ if (function_exists('mysql_real_escape_string') && is_resource($this->conn_id))
{
$str = mysql_real_escape_string($str, $this->conn_id);
}
@@ -327,7 +291,7 @@
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
@@ -338,10 +302,9 @@
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @mysql_affected_rows($this->conn_id);
}
@@ -351,10 +314,9 @@
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
return @mysql_insert_id($this->conn_id);
}
@@ -367,27 +329,25 @@
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
* @return string
*/
- function count_all($table = '')
+ 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));
-
+ $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;
}
- $row = $query->row();
+ $query = $query->row();
$this->_reset_select();
- return (int) $row->numrows;
+ return (int) $query->numrows;
}
// --------------------------------------------------------------------
@@ -397,17 +357,16 @@
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char;
+ $sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char;
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix != '')
{
- $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
@@ -420,13 +379,12 @@
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ public function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
@@ -436,13 +394,12 @@
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
+ * @return string
*/
- function _field_data($table)
+ public function _field_data($table)
{
- return "DESCRIBE ".$table;
+ return 'DESCRIBE '.$table;
}
// --------------------------------------------------------------------
@@ -450,10 +407,9 @@
/**
* The error message string
*
- * @access private
* @return string
*/
- function _error_message()
+ protected function _error_message()
{
return mysql_error($this->conn_id);
}
@@ -463,10 +419,9 @@
/**
* The error message number
*
- * @access private
- * @return integer
+ * @return int
*/
- function _error_number()
+ protected function _error_number()
{
return mysql_errno($this->conn_id);
}
@@ -478,11 +433,10 @@
*
* This function escapes column and table names
*
- * @access private
* @param string
* @return string
*/
- function _escape_identifiers($item)
+ public function _escape_identifiers($item)
{
if ($this->_escape_char == '')
{
@@ -493,24 +447,20 @@
{
if (strpos($item, '.'.$id) !== FALSE)
{
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+ $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, $str);
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item);
}
}
if (strpos($item, '.') !== FALSE)
{
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
+ $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item);
}
// remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char);
}
// --------------------------------------------------------------------
@@ -521,11 +471,10 @@
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param string table name
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -542,15 +491,14 @@
*
* 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
*/
- function _insert($table, $keys, $values)
+ protected function _insert($table, $keys, $values)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
}
// --------------------------------------------------------------------
@@ -561,15 +509,14 @@
*
* Generates a platform-specific replace string from the supplied data
*
- * @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
- function _replace($table, $keys, $values)
+ protected function _replace($table, $keys, $values)
{
- return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
}
// --------------------------------------------------------------------
@@ -579,15 +526,14 @@
*
* Generates a platform-specific insert string from the supplied data
*
- * @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
- function _insert_batch($table, $keys, $values)
+ protected function _insert_batch($table, $keys, $values)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values);
}
// --------------------------------------------------------------------
@@ -598,7 +544,6 @@
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
@@ -606,34 +551,22 @@
* @param array the limit clause
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
foreach ($values as $key => $val)
{
- $valstr[] = $key . ' = ' . $val;
+ $valstr[] = $key.' = '.$val;
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- if (count($like) > 0)
+ $where = ($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '';
+ if (count($like) > 0)
{
- $sql .= ($where == '' AND count($where) <1) ? " WHERE " : ' AND ';
-
- foreach ($like as $st_like)
- {
- $sql .= " " . $st_like;
- }
+ $where .= ($where == '' ? ' WHERE ' : ' AND ').implode(' ', $like);
}
- $sql .= $orderby.$limit;
-
- return $sql;
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where
+ .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '')
+ .( ! $limit ? '' : ' LIMIT '.$limit);
}
// --------------------------------------------------------------------
@@ -644,17 +577,14 @@
*
* 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
*/
- function _update_batch($table, $values, $index, $where = NULL)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
- $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
-
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
@@ -668,30 +598,21 @@
}
}
- $sql = "UPDATE ".$table." SET ";
$cases = '';
-
foreach ($final as $k => $v)
{
- $cases .= $k.' = CASE '."\n";
- foreach ($v as $row)
- {
- $cases .= $row."\n";
- }
-
- $cases .= 'ELSE '.$k.' END, ';
+ $cases .= $k." = CASE \n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END, ';
}
- $sql .= substr($cases, 0, -2);
-
- $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
-
- return $sql;
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
-
/**
* Truncate statement
*
@@ -699,13 +620,12 @@
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
- * @access public
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
- return "TRUNCATE ".$table;
+ return 'TRUNCATE '.$table;
}
// --------------------------------------------------------------------
@@ -715,31 +635,27 @@
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
if (count($where) > 0 OR count($like) > 0)
{
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ $conditions = "\nWHERE ".implode("\n", $this->ar_where);
if (count($where) > 0 && count($like) > 0)
{
- $conditions .= " AND ";
+ $conditions .= ' AND ';
}
$conditions .= implode("\n", $like);
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit);
}
// --------------------------------------------------------------------
@@ -749,24 +665,14 @@
*
* 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
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- if ($offset == 0)
- {
- $offset = '';
- }
- else
- {
- $offset .= ", ";
- }
-
- return $sql."LIMIT ".$offset.$limit;
+ return $sql.' LIMIT '.($offset == 0 ? '' : $offset.', ').$limit;
}
// --------------------------------------------------------------------
@@ -774,17 +680,15 @@
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@mysql_close($conn_id);
}
}
-
/* End of file mysql_driver.php */
-/* Location: ./system/database/drivers/mysql/mysql_driver.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/mysql/mysql_driver.php */
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index a41a7b4..d310713 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQL Forge Class
*
@@ -39,13 +37,12 @@
/**
* Create database
*
- * @access private
* @param string the database name
- * @return bool
+ * @return string
*/
- function _create_database($name)
+ public function _create_database($name)
{
- return "CREATE DATABASE ".$name;
+ return 'CREATE DATABASE '.$name;
}
// --------------------------------------------------------------------
@@ -53,13 +50,12 @@
/**
* Drop database
*
- * @access private
* @param string the database name
- * @return bool
+ * @return string
*/
- function _drop_database($name)
+ public function _drop_database($name)
{
- return "DROP DATABASE ".$name;
+ return 'DROP DATABASE '.$name;
}
// --------------------------------------------------------------------
@@ -67,83 +63,57 @@
/**
* Process Fields
*
- * @access private
* @param mixed the fields
* @return string
*/
- function _process_fields($fields)
+ private function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field)
+ .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : '');
- if (array_key_exists('NAME', $attributes))
- {
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
- }
-
- if (array_key_exists('TYPE', $attributes))
+ if ( ! empty($attributes['TYPE']))
{
$sql .= ' '.$attributes['TYPE'];
- if (array_key_exists('CONSTRAINT', $attributes))
+ if ( ! empty($attributes['CONSTRAINT']))
{
- switch ($attributes['TYPE'])
+ switch (strtolower($attributes['TYPE']))
{
case 'decimal':
case 'float':
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
- break;
-
+ break;
case 'enum':
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
- break;
-
+ break;
default:
$sql .= '('.$attributes['CONSTRAINT'].')';
}
}
}
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- $sql .= ' UNSIGNED';
- }
-
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
-
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' AUTO_INCREMENT';
- }
+ $sql .= (( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
+ .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
+ .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
}
// don't add a comma on the end of the last field
@@ -161,15 +131,14 @@
/**
* Create Table
*
- * @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -178,15 +147,12 @@
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
-
- $sql .= $this->_process_fields($fields);
+ $sql .= $this->db->_escape_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
$key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -204,13 +170,11 @@
$key = array($key_name);
}
- $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')';
}
}
- $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
-
- return $sql;
+ return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';';
}
// --------------------------------------------------------------------
@@ -218,12 +182,12 @@
/**
* Drop Table
*
- * @access private
+ * @param string table name
* @return string
*/
- function _drop_table($table)
+ public function _drop_table($table)
{
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
+ return 'DROP TABLE IF EXISTS '.$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
@@ -232,33 +196,26 @@
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
+ * Called by add_column(), drop_column() and column_alter()
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ public function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
- return $sql.$this->db->_protect_identifiers($fields);
+ return $sql.$this->db->protect_identifiers($fields);
}
- $sql .= $this->_process_fields($fields);
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
+ return $sql.$this->_process_fields($fields)
+ .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : '');
}
// --------------------------------------------------------------------
@@ -268,18 +225,16 @@
*
* Generates a platform-specific query so that a table can be renamed
*
- * @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
- function _rename_table($table_name, $new_table_name)
+ public function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
}
/* End of file mysql_forge.php */
-/* Location: ./system/database/drivers/mysql/mysql_forge.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/mysql/mysql_forge.php */
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index dcb99cd..8f04a93 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// --------------------------------------------------------------------
-
/**
* MySQL Result Class
*
@@ -41,10 +39,9 @@
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
return @mysql_num_rows($this->result_id);
}
@@ -54,10 +51,9 @@
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @mysql_num_fields($this->result_id);
}
@@ -69,10 +65,9 @@
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
while ($field = mysql_fetch_field($this->result_id))
@@ -90,25 +85,21 @@
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
while ($field = mysql_fetch_object($this->result_id))
{
preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
- $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL;
- $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = $type;
- $F->default = $field->Default;
- $F->max_length = $length;
- $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
+ $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[] = $F;
}
@@ -121,9 +112,9 @@
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -137,14 +128,13 @@
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
* @return array
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return mysql_data_seek($this->result_id, $n);
}
@@ -156,10 +146,9 @@
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return mysql_fetch_assoc($this->result_id);
}
@@ -171,16 +160,14 @@
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
return mysql_fetch_object($this->result_id);
}
}
-
/* End of file mysql_result.php */
-/* Location: ./system/database/drivers/mysql/mysql_result.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/mysql/mysql_result.php */
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index 7035241..0e7c18e 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQL Utility Class
*
@@ -39,12 +37,11 @@
/**
* List databases
*
- * @access private
- * @return bool
+ * @return string
*/
- function _list_databases()
+ public function _list_databases()
{
- return "SHOW DATABASES";
+ return 'SHOW DATABASES';
}
// --------------------------------------------------------------------
@@ -54,13 +51,12 @@
*
* Generates a platform-specific query so that a table can be optimized
*
- * @access private
* @param string the table name
- * @return object
+ * @return string
*/
- function _optimize_table($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 */