diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index a81936c..65fb87f 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -123,7 +123,177 @@
return "REPAIR TABLE ".$this->db->_escape_table($table);
}
+ // --------------------------------------------------------------------
+ /**
+ * MySQL Export
+ *
+ * @access public
+ * @param object The query result object
+ * @param array Any preferences
+ * @return string
+ */
+ function export($params = array())
+ {
+ // Set up our default preferences
+ $prefs = array(
+ 'tables' => array(),
+ 'ignore' => array(),
+ 'format' => 'gzip',
+ 'download' => TRUE,
+ 'filename' => date('Y-m-d-H:i', time()),
+ 'filepath' => '',
+ 'add_drop' => TRUE,
+ 'add_insert' => TRUE,
+ 'newline' => "\n"
+ );
+
+ // Did the user submit any preference overrides? If so set them....
+ if (count($params) > 0)
+ {
+ foreach ($prefs as $key => $val)
+ {
+ if (isset($params[$key]))
+ {
+ $prefs[$key] = $params[$key];
+ }
+ }
+ }
+
+ // Extract the prefs for simplicity
+ extract($prefs);
+
+ // Are we backing up a complete database or individual tables?
+ if (count($tables) == 0)
+ {
+ $tables = $this->list_tables();
+ }
+
+
+
+ // Start buffering the output
+ ob_start();
+
+ // Build the output
+ foreach ($tables as $table)
+ {
+ // Is the table in the "ignore" list?
+ if (in_array($table, $ignore))
+ {
+ 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
+
+ echo $newline.$newline.'#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
+
+ if ($add_drop == TRUE)
+ {
+ echo 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
+ }
+
+ $i = 0;
+ $result = $query->result_array();
+ foreach ($result[0] as $val)
+ {
+ if ($i++ % 2)
+ {
+ echo $val.';'.$newline.$newline;
+ }
+ }
+
+ // Build the insert statements
+
+ if ($add_insert == FALSE)
+ {
+ continue;
+ }
+
+ $query = $this->db->query("SELECT * FROM $table");
+
+ if ($query->num_rows() == 0)
+ {
+ continue;
+ }
+
+ // Grab 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;
+ $fields = '';
+ $is_int = array();
+ while ($field = mysql_fetch_field($query->result_id))
+ {
+ $is_int[$i] = (in_array(
+ mysql_field_type($query->result_id, $i),
+ array('tinyint', 'smallint', 'mediumint', 'int', 'bigint', 'timestamp'),
+ TRUE)
+ ) ? TRUE : FALSE;
+
+ // Create a string of field names
+ $fields .= $field->name.', ';
+ $i++;
+ }
+
+ $fields = preg_replace( "/, $/" , "" , $fields);
+
+
+ // Build the inserts
+ foreach ($query->result_array() as $row)
+ {
+ $values = '';
+
+ $i = 0;
+ foreach ($row as $v)
+ {
+ $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 type
+ $values .= ($is_int[$i] == FALSE) ? $this->db->escape($v) : $v;
+ $values .= ', ';
+
+ $i++;
+ }
+
+ $values = preg_replace( "/, $/" , "" , $values);
+
+ if ($download == FALSE)
+ {
+ $values = htmlspecialchars($values);
+ }
+
+ // Build the INSERT string
+ echo 'INSERT INTO '.$table.' ('.$fields.') VALUES ('.$values.');'.$newline;
+
+ }
+
+
+
+ $buffer = ob_get_contents();
+ @ob_end_clean();
+
+ echo $buffer;
+
+ }
+
+
+ }
}