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Diffstat (limited to 'system/database/drivers/mssql/mssql_driver.php')
-rw-r--r--system/database/drivers/mssql/mssql_driver.php58
1 files changed, 38 insertions, 20 deletions
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index bd83c5459..c74f9683b 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -41,18 +41,36 @@ defined('BASEPATH') OR exit('No direct script access allowed');
*/
class CI_DB_mssql_driver extends CI_DB {
+ /**
+ * Database driver
+ *
+ * @var string
+ */
public $dbdriver = 'mssql';
- // The character used for escaping
- protected $_escape_char = '"';
+ // --------------------------------------------------------------------
+ /**
+ * ORDER BY random keyword
+ *
+ * @var string
+ */
protected $_random_keyword = ' NEWID()';
- // MSSQL-specific properties
+ /**
+ * Quoted identifier flag
+ *
+ * Whether to use SQL-92 standard quoted identifier
+ * (double quotes) or brackets for identifier escaping.
+ *
+ * @var bool
+ */
protected $_quoted_identifier = TRUE;
+ // --------------------------------------------------------------------
+
/**
- * Constructor
+ * Class constructor
*
* Appends the port number to the hostname, if needed.
*
@@ -74,7 +92,7 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Non-persistent database connection
*
- * @param bool
+ * @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
@@ -114,7 +132,7 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Select the database
*
- * @param string database name
+ * @param string $database
* @return bool
*/
public function db_select($database = '')
@@ -140,7 +158,7 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Execute the query
*
- * @param string an SQL query
+ * @param string $sql an SQL query
* @return mixed resource if rows are returned, bool otherwise
*/
protected function _execute($sql)
@@ -153,7 +171,7 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Begin Transaction
*
- * @param bool $test_mode = FALSE
+ * @param bool $test_mode
* @return bool
*/
public function trans_begin($test_mode = FALSE)
@@ -213,8 +231,8 @@ class CI_DB_mssql_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)
@@ -296,7 +314,7 @@ class CI_DB_mssql_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)
@@ -321,7 +339,7 @@ class CI_DB_mssql_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 = '')
@@ -336,7 +354,7 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _field_data($table)
@@ -368,8 +386,8 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific update string from the supplied data
*
- * @param string the table name
- * @param array the update data
+ * @param string $table
+ * @param array $values
* @return string
*/
protected function _update($table, $values)
@@ -386,10 +404,10 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific truncate string from the supplied data
*
- * If the database does not support the truncate() command,
+ * If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _truncate($table)
@@ -404,7 +422,7 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _delete($table)
@@ -420,11 +438,11 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Limit string
+ * LIMIT
*
* Generates a platform-specific LIMIT clause
*
- * @param string the sql query string
+ * @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)