Removed support for db_backup in MySQLi due to incompatible functions.

1 files changed, 3 insertions, 135 deletions

diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index bb1f6f917..4ab2bb1d1 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -78,143 +78,11 @@ class CI_DB_mysqli_utility extends CI_DB_utility {
 	 */

 	function _backup($params = array())

 	{

-		if (count($params) == 0)

-		{

-			return FALSE;

-		}

-

-		// Extract the prefs for simplicity

-		extract($params);

-	

-		// Build the output

-		$output = '';

-		foreach ((array)$tables as $table)

-		{

-			// Is the table in the "ignore" list?

-			if (in_array($table, (array)$ignore, TRUE))

-			{

-				continue;

-			}

-

-			// Get the table schema

-			$query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.'.$table);

-			

-			// No result means the table name was invalid

-			if ($query === FALSE)

-			{

-				continue;

-			}

-			

-			// Write out the table schema

-			$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;

-

- 			if ($add_drop == TRUE)

- 			{

-				$output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;

-			}

-			

-			$i = 0;

-			$result = $query->result_array();

-			foreach ($result[0] as $val)

-			{

-				if ($i++ % 2)

-				{ 					

-					$output .= $val.';'.$newline.$newline;

-				}

-			}

-			

-			// If inserts are not needed we're done...

-			if ($add_insert == FALSE)

-			{

-				continue;

-			}

-

-			// Grab all the data from the current table

-			$query = $this->db->query("SELECT * FROM $table");

-			

-			if ($query->num_rows() == 0)

-			{

-				continue;

-			}

-		

-			// Fetch the field names and determine if the field is an

-			// integer type.  We use this info to decide whether to

-			// surround the data with quotes or not

-			

-			$i = 0;

-			$field_str = '';

-			$is_int = array();

-			while ($field = mysqli_fetch_field($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;

-										

-				// Create a string of field names

-				$field_str .= $field->name.', ';

-				$i++;

-			}

-			

-			// Trim off the end comma

-			$field_str = preg_replace( "/, $/" , "" , $field_str);

-			

-			

-			// Build the insert string

-			foreach ($query->result_array() as $row)

-			{

-				$val_str = '';

-			

-				$i = 0;

-				foreach ($row as $v)

-				{

-					// Is the value NULL?

-					if ($v === NULL)

-					{

-						$val_str .= 'NULL';

-					}

-					else

-					{

-						// Do a little formatting...

-						$v = str_replace(array("\x00", "\x0a", "\x0d", "\x1a"), array('\0', '\n', '\r', '\Z'), $v);

-						$v = str_replace(array("\n", "\r", "\t"), array('\n', '\r', '\t'), $v);

-						$v = str_replace('\\', '\\\\',	$v);

-						$v = str_replace('\'', '\\\'',	$v);

-						$v = str_replace('\\\n', '\n',	$v);

-						$v = str_replace('\\\r', '\r',	$v);

-						$v = str_replace('\\\t', '\t',	$v);

-

-						// Escape the data if it's not an integer

-						if ($is_int[$i] == FALSE)

-						{

-							$val_str .= $this->db->escape($v);

-						}

-						else

-						{

-							$val_str .= $v;

-						}					

-					}				

-					

-					// Append a comma

-					$val_str .= ', ';

-					$i++;

-				}

-				

-				// Remove the comma at the end of the string

-				$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;

+		// Currently unsupported

+		return $this->db->display_error('db_unsuported_feature');

 	}

 

+

 	/**

 	 *

 	 * The functions below have been deprecated as of 1.6, and are only here for backwards