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-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php206
1 files changed, 85 insertions, 121 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 0239e8f56..2b9f82201 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Database Adapter Class
*
@@ -42,30 +40,29 @@
*/
class CI_DB_sqlsrv_driver extends CI_DB {
- var $dbdriver = 'sqlsrv';
+ public $dbdriver = 'sqlsrv';
// The character used for escaping
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' ASC'; // not currently supported
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect($pooling = false)
+ public function db_connect($pooling = FALSE)
{
// Check for a UTF-8 charset being passed as CI's default 'utf8'.
$character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set;
@@ -78,10 +75,11 @@ class CI_DB_sqlsrv_driver extends CI_DB {
'CharacterSet' => $character_set,
'ReturnDatesAsStrings' => 1
);
-
- // If the username and password are both empty, assume this is a
+
+ // If the username and password are both empty, assume this is a
// 'Windows Authentication Mode' connection.
- if(empty($connection['UID']) && empty($connection['PWD'])) {
+ if (empty($connection['UID']) && empty($connection['PWD']))
+ {
unset($connection['UID'], $connection['PWD']);
}
@@ -93,10 +91,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
return $this->db_connect(TRUE);
}
@@ -109,10 +106,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
- * @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
// not implemented in MSSQL
}
@@ -146,16 +142,16 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- return sqlsrv_query($this->conn_id, $sql, null, array(
- 'Scrollable' => SQLSRV_CURSOR_STATIC,
- 'SendStreamParamsAtExec' => true
- ));
+ return sqlsrv_query($this->conn_id,
+ $sql,
+ NULL,
+ array('Scrollable'=> SQLSRV_CURSOR_STATIC, 'SendStreamParamsAtExec' => TRUE)
+ );
}
// --------------------------------------------------------------------
@@ -163,10 +159,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -192,10 +187,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -216,10 +210,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -240,12 +233,11 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
// Escape single quotes
return str_replace("'", "''", $str);
@@ -256,10 +248,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @sqlrv_rows_affected($this->conn_id);
}
@@ -267,31 +258,31 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert ID
- *
- * Returns the last id created in the Identity column.
- *
- * @access public
- * @return integer
- */
- function insert_id()
+ * Insert ID
+ *
+ * Returns the last id created in the Identity column.
+ *
+ * @return string
+ */
+ public function insert_id()
{
- return $this->query('select @@IDENTITY as insert_id')->row('insert_id');
+ $query = $this->query('SELECT @@IDENTITY AS insert_id');
+ $query = $query->row();
+ return $query->insert_id;
}
// --------------------------------------------------------------------
/**
- * Parse major version
- *
- * Grabs the major version number from the
- * database server version string passed in.
- *
- * @access private
- * @param string $version
- * @return int16 major version number
- */
- function _parse_major_version($version)
+ * Parse major version
+ *
+ * Grabs the major version number from the
+ * database server version string passed in.
+ *
+ * @param string $version
+ * @return int major version number
+ */
+ protected function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
@@ -327,23 +318,25 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
- * @return string
+ * @return int
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
- return '0';
-
+ {
+ return 0;
+ }
+
$query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
-
if ($query->num_rows() == 0)
- return '0';
+ {
+ return 0;
+ }
$row = $query->row();
$this->_reset_select();
- return $row->numrows;
+ return (int) $row->numrows;
}
// --------------------------------------------------------------------
@@ -353,11 +346,10 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
}
@@ -369,13 +361,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access private
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'";
+ return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
// --------------------------------------------------------------------
@@ -385,13 +376,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
+ * @return string
*/
- function _field_data($table)
+ protected function _field_data($table)
{
- return "SELECT TOP 1 * FROM " . $this->_escape_table($table);
+ return 'SELECT TOP 1 * FROM '.$table;
}
// --------------------------------------------------------------------
@@ -435,31 +425,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Escape Table Name
- *
- * This function adds backticks if the table name has a period
- * in it. Some DBs will get cranky unless periods are escaped
- *
- * @access private
- * @param string the table name
- * @return string
- */
- function _escape_table($table)
- {
- return $table;
- }
-
-
- /**
* Escape the SQL Identifiers
*
* This function escapes column and table names
*
- * @access private
* @param string
* @return string
*/
- function _escape_identifiers($item)
+ public function _escape_identifiers($item)
{
return $item;
}
@@ -472,11 +445,10 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -493,15 +465,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* 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($table, $keys, $values)
- {
- return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ protected function _insert($table, $keys, $values)
+ {
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
}
// --------------------------------------------------------------------
@@ -511,7 +482,6 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
@@ -519,16 +489,16 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* @param array the limit clause
* @return string
*/
- function _update($table, $values, $where)
+ protected function _update($table, $values, $where)
{
foreach($values as $key => $val)
{
$valstr[] = $key." = ".$val;
}
-
- return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.implode(' ', $where);
}
-
+
// --------------------------------------------------------------------
/**
@@ -538,11 +508,10 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* If the database does not support the truncate() command
* This function maps to "DELETE FROM table"
*
- * @access public
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
return "TRUNCATE ".$table;
}
@@ -554,15 +523,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where)
+ protected function _delete($table, $where)
{
- return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where);
+ return 'DELETE FROM '.$table.' WHERE '.implode(' ', $where);
}
// --------------------------------------------------------------------
@@ -572,17 +540,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- $i = $limit + $offset;
-
- return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.($limit + $offset).' ', $sql);
}
// --------------------------------------------------------------------
@@ -590,16 +555,15 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@sqlsrv_close($conn_id);
}
}
-/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* End of file sqlsrv_driver.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-01 13:35:43 +0100