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-rwxr-xr-x[-rw-r--r--]system/database/drivers/mysqli/mysqli_driver.php193
1 files changed, 131 insertions, 62 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index 5d7200fbd..8942100d4 100644..100755
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -2,11 +2,11 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 4.3.2 or newer
+ * An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2010, EllisLab, Inc.
+ * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
* @license http://codeigniter.com/user_guide/license.html
* @link http://codeigniter.com
* @since Version 1.0
@@ -31,7 +31,7 @@
class CI_DB_mysqli_driver extends CI_DB {
var $dbdriver = 'mysqli';
-
+
// The character used for escaping
var $_escape_char = '`';
@@ -51,7 +51,7 @@ class CI_DB_mysqli_driver extends CI_DB {
* 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 $delete_hack = TRUE;
// --------------------------------------------------------------------
@@ -61,12 +61,12 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* @access private called by the base class
* @return resource
- */
+ */
function db_connect()
{
if ($this->port != '')
{
- return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port);
+ return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port);
}
else
{
@@ -82,12 +82,12 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* @access private called by the base class
* @return resource
- */
+ */
function db_pconnect()
{
return $this->db_connect();
}
-
+
// --------------------------------------------------------------------
/**
@@ -114,7 +114,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* @access private called by the base class
* @return resource
- */
+ */
function db_select()
{
return @mysqli_select_db($this->conn_id, $this->database);
@@ -136,7 +136,7 @@ class CI_DB_mysqli_driver extends CI_DB {
}
// --------------------------------------------------------------------
-
+
/**
* Version number query string
*
@@ -156,14 +156,14 @@ class CI_DB_mysqli_driver extends CI_DB {
* @access private called by the base class
* @param string an SQL query
* @return resource
- */
+ */
function _execute($sql)
{
- $sql = $this->_prep_query($sql);
+ $sql = $this->_prep_query($sql);
$result = @mysqli_query($this->conn_id, $sql);
return $result;
}
-
+
// --------------------------------------------------------------------
/**
@@ -174,7 +174,7 @@ class CI_DB_mysqli_driver extends CI_DB {
* @access private called by execute()
* @param string an SQL query
* @return string
- */
+ */
function _prep_query($sql)
{
// "DELETE FROM TABLE" returns 0 affected rows This hack modifies
@@ -186,7 +186,7 @@ class CI_DB_mysqli_driver extends CI_DB {
$sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql);
}
}
-
+
return $sql;
}
@@ -196,15 +196,15 @@ class CI_DB_mysqli_driver extends CI_DB {
* Begin Transaction
*
* @access public
- * @return bool
- */
+ * @return bool
+ */
function trans_begin($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)
{
@@ -227,8 +227,8 @@ class CI_DB_mysqli_driver extends CI_DB {
* Commit Transaction
*
* @access public
- * @return bool
- */
+ * @return bool
+ */
function trans_commit()
{
if ( ! $this->trans_enabled)
@@ -253,8 +253,8 @@ class CI_DB_mysqli_driver extends CI_DB {
* Rollback Transaction
*
* @access public
- * @return bool
- */
+ * @return bool
+ */
function trans_rollback()
{
if ( ! $this->trans_enabled)
@@ -283,17 +283,17 @@ class CI_DB_mysqli_driver extends CI_DB {
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
foreach($str as $key => $val)
- {
+ {
$str[$key] = $this->escape_str($val, $like);
- }
-
- return $str;
- }
+ }
+
+ return $str;
+ }
if (function_exists('mysqli_real_escape_string') AND is_object($this->conn_id))
{
@@ -307,16 +307,16 @@ class CI_DB_mysqli_driver extends CI_DB {
{
$str = addslashes($str);
}
-
+
// escape LIKE condition wildcards
if ($like === TRUE)
{
$str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
-
+
return $str;
}
-
+
// --------------------------------------------------------------------
/**
@@ -329,7 +329,7 @@ class CI_DB_mysqli_driver extends CI_DB {
{
return @mysqli_affected_rows($this->conn_id);
}
-
+
// --------------------------------------------------------------------
/**
@@ -386,13 +386,13 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
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 != '')
{
$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
-
+
return $sql;
}
@@ -409,7 +409,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$table;
+ return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
@@ -440,7 +440,7 @@ class CI_DB_mysqli_driver extends CI_DB {
{
return mysqli_error($this->conn_id);
}
-
+
// --------------------------------------------------------------------
/**
@@ -471,31 +471,31 @@ class CI_DB_mysqli_driver extends CI_DB {
{
return $item;
}
-
+
foreach ($this->_reserved_identifiers as $id)
{
if (strpos($item, '.'.$id) !== FALSE)
{
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
+ $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
+
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
+ }
}
-
+
if (strpos($item, '.') !== FALSE)
{
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
+ $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
}
else
{
$str = $this->_escape_char.$item.$this->_escape_char;
}
-
+
// remove duplicates if the user already included the escape
return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
}
-
+
// --------------------------------------------------------------------
/**
@@ -514,12 +514,12 @@ class CI_DB_mysqli_driver extends CI_DB {
{
$tables = array($tables);
}
-
+
return '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
-
+
/**
* Insert statement
*
@@ -532,9 +532,27 @@ class CI_DB_mysqli_driver extends CI_DB {
* @return string
*/
function _insert($table, $keys, $values)
- {
+ {
return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
}
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert_batch statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ function _insert_batch($table, $keys, $values)
+ {
+ return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
+ }
// --------------------------------------------------------------------
@@ -557,21 +575,72 @@ class CI_DB_mysqli_driver extends CI_DB {
{
$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) : '';
-
+
$sql .= $orderby.$limit;
-
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @access public
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
+
+ foreach($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach(array_keys($val) as $field)
+ {
+ if ($field != $index)
+ {
+ $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $sql = "UPDATE ".$table." SET ";
+ $cases = '';
+
+ foreach($final as $k => $v)
+ {
+ $cases .= $k.' = CASE '."\n";
+ foreach ($v as $row)
+ {
+ $cases .= $row."\n";
+ }
+
+ $cases .= 'ELSE '.$k.' END, ';
+ }
+
+ $sql .= substr($cases, 0, -2);
+
+ $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
+
return $sql;
}
-
// --------------------------------------------------------------------
/**
@@ -584,12 +653,12 @@ class CI_DB_mysqli_driver extends CI_DB {
* @access public
* @param string the table name
* @return string
- */
+ */
function _truncate($table)
{
return "TRUNCATE ".$table;
}
-
+
// --------------------------------------------------------------------
/**
@@ -602,7 +671,7 @@ class CI_DB_mysqli_driver extends CI_DB {
* @param array the where clause
* @param string the limit clause
* @return string
- */
+ */
function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
$conditions = '';
@@ -620,7 +689,7 @@ class CI_DB_mysqli_driver extends CI_DB {
}
$limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
+
return "DELETE FROM ".$table.$conditions.$limit;
}
@@ -638,14 +707,14 @@ class CI_DB_mysqli_driver extends CI_DB {
* @return string
*/
function _limit($sql, $limit, $offset)
- {
+ {
$sql .= "LIMIT ".$limit;
-
+
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
-
+
return $sql;
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-23 01:53:11 +0100