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-rw-r--r--system/database/drivers/mysql/mysql_driver.php73
-rw-r--r--system/database/drivers/mysql/mysql_forge.php40
-rw-r--r--system/database/drivers/mysql/mysql_utility.php8
3 files changed, 43 insertions, 78 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index c2fccc1f7..8938d22b5 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -29,7 +29,7 @@
* MySQL 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_mysql_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 $_like_escape_chr = '\\';
/**
* The syntax to count rows is slightly different across different
@@ -68,7 +68,7 @@ class CI_DB_mysql_driver extends CI_DB {
{
parent::__construct($params);
- if ($this->port != '')
+ if ( ! empty($this->port))
{
$this->hostname .= ':'.$this->port;
}
@@ -291,7 +291,9 @@ class CI_DB_mysql_driver extends CI_DB {
// 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 $str;
@@ -324,35 +326,6 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @param string
- * @return string
- */
- public function count_all($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;
- }
-
- // --------------------------------------------------------------------
-
- /**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
@@ -364,7 +337,7 @@ class CI_DB_mysql_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($this->dbprefix)."%'";
}
@@ -397,7 +370,7 @@ class CI_DB_mysql_driver extends CI_DB {
*/
public function field_data($table = '')
{
- if ($table == '')
+ if ($table === '')
{
return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
}
@@ -439,27 +412,6 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @param string table name
- * @return string
- */
- protected function _from_tables($tables)
- {
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
@@ -478,7 +430,7 @@ class CI_DB_mysql_driver extends CI_DB {
foreach (array_keys($val) as $field)
{
- if ($field != $index)
+ if ($field !== $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
@@ -494,7 +446,7 @@ class CI_DB_mysql_driver extends CI_DB {
}
return 'UPDATE '.$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(',', $ids).')';
}
@@ -520,12 +472,11 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Close DB Connection
*
- * @param resource
* @return void
*/
- protected function _close($conn_id)
+ protected function _close()
{
- @mysql_close($conn_id);
+ @mysql_close($this->conn_id);
}
}
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index 0e39affa7..7656c289c 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -60,8 +60,9 @@ class CI_DB_mysql_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->protect_identifiers($field)
- .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : '');
+ $sql .= "\n\t".$this->db->escape_identifiers($field);
+
+ empty($attributes['NAME']) OR ' '.$this->db->escape_identifiers($attributes['NAME']).' ';
if ( ! empty($attributes['TYPE']))
{
@@ -86,10 +87,23 @@ class CI_DB_mysql_forge extends CI_DB_forge {
}
}
- $sql .= (( ! empty($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']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
+ {
+ $sql .= ' UNSIGNED';
+ }
+
+ if (isset($attributes['DEFAULT']))
+ {
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
+ }
+
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
+
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
+ {
+ $sql .= ' AUTO_INCREMENT';
+ }
}
// don't add a comma on the end of the last field
@@ -123,11 +137,11 @@ class CI_DB_mysql_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->protect_identifiers($table).' ('.$this->_process_fields($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));
+ $key_name = $this->db->escape_identifiers(implode('_', $primary_keys));
$sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
@@ -137,12 +151,12 @@ class CI_DB_mysql_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->protect_identifiers(implode('_', $key));
+ $key_name = $this->db->escape_identifiers(implode('_', $key));
$key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->protect_identifiers($key);
+ $key_name = $this->db->escape_identifiers($key);
$key = array($key_name);
}
@@ -169,16 +183,16 @@ class CI_DB_mysql_forge extends CI_DB_forge {
*/
protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type === 'DROP')
{
- return $sql.$this->db->protect_identifiers($fields);
+ return $sql.$this->db->escape_identifiers($fields);
}
return $sql.$this->_process_fields($fields)
- .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : '');
+ .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index 642323dbd..643682fde 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -76,7 +76,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
- if ($add_drop == TRUE)
+ if ($add_drop === TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
@@ -92,7 +92,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// If inserts are not needed we're done...
- if ($add_insert == FALSE)
+ if ($add_insert === FALSE)
{
continue;
}
@@ -100,7 +100,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
// Grab all the data from the current table
$query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
- if ($query->num_rows() == 0)
+ if ($query->num_rows() === 0)
{
continue;
}
@@ -143,7 +143,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
else
{
// Escape the data if it's not an integer
- $val_str .= ($is_int[$i] == FALSE) ? $this->db->escape($v) : $v;
+ $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma