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-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php61
1 files changed, 41 insertions, 20 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index 2e61a235d..7d2507b40 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -41,25 +41,46 @@ defined('BASEPATH') OR exit('No direct script access allowed');
*/
class CI_DB_mysqli_driver extends CI_DB {
+ /**
+ * Database driver
+ *
+ * @var string
+ */
public $dbdriver = 'mysqli';
- public $compress = FALSE;
-
- // The character used for escaping
- protected $_escape_char = '`';
- protected $_random_keyword = ' RAND()'; // database specific random keyword
+ /**
+ * Compression flag
+ *
+ * @var bool
+ */
+ public $compress = FALSE;
/**
+ * DELETE hack flag
+ *
* 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 bool
*/
public $delete_hack = TRUE;
+ // --------------------------------------------------------------------
+
+ /**
+ * Identifier escape character
+ *
+ * @var string
+ */
+ protected $_escape_char = '`';
+
+ // --------------------------------------------------------------------
+
/**
- * Non-persistent database connection
+ * Database connection
*
- * @param bool
+ * @param bool $persistent
* @return object
* @todo SSL support
*/
@@ -111,7 +132,7 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Select the database
*
- * @param string database name
+ * @param string $database
* @return bool
*/
public function db_select($database = '')
@@ -135,7 +156,7 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Set client character set
*
- * @param string
+ * @param string $charset
* @return bool
*/
protected function _db_set_charset($charset)
@@ -162,7 +183,7 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Execute the query
*
- * @param string an SQL query
+ * @param string $sql an SQL query
* @return mixed
*/
protected function _execute($sql)
@@ -177,7 +198,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* If needed, each database adapter can prep the query string
*
- * @param string an SQL query
+ * @param string $sql an SQL query
* @return string
*/
protected function _prep_query($sql)
@@ -197,7 +218,7 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Begin Transaction
*
- * @param bool $test_mode = FALSE
+ * @param bool $test_mode
* @return bool
*/
public function trans_begin($test_mode = FALSE)
@@ -263,8 +284,8 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Escape String
*
- * @param string
- * @param bool whether or not the string will be used in a LIKE condition
+ * @param string $str
+ * @param bool $like Whether or not the string will be used in a LIKE condition
* @return string
*/
public function escape_str($str, $like = FALSE)
@@ -323,7 +344,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @param bool
+ * @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
@@ -345,7 +366,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _list_columns($table = '')
@@ -358,7 +379,7 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Returns an object with field data
*
- * @param string the table name
+ * @param string $table
* @return object
*/
public function field_data($table = '')
@@ -417,9 +438,9 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific batch update string from the supplied data
*
- * @param string the table name
- * @param array the update data
- * @param string the where key
+ * @param string $table Table name
+ * @param array $values Update data
+ * @param string $index WHERE key
* @return string
*/
protected function _update_batch($table, $values, $index)