summaryrefslogtreecommitdiffstats
path: root/system/database/drivers/mssql
diff options
context:
space:
mode:
Diffstat (limited to 'system/database/drivers/mssql')
-rw-r--r--system/database/drivers/mssql/index.html3
-rw-r--r--system/database/drivers/mssql/mssql_driver.php677
-rw-r--r--system/database/drivers/mssql/mssql_forge.php273
-rw-r--r--system/database/drivers/mssql/mssql_result.php129
-rw-r--r--system/database/drivers/mssql/mssql_utility.php105
5 files changed, 480 insertions, 707 deletions
diff --git a/system/database/drivers/mssql/index.html b/system/database/drivers/mssql/index.html
index c942a79ce..b702fbc39 100644
--- a/system/database/drivers/mssql/index.html
+++ b/system/database/drivers/mssql/index.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
@@ -7,4 +8,4 @@
<p>Directory access is forbidden.</p>
</body>
-</html> \ No newline at end of file
+</html>
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 1823edce8..a2ccd1c80 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -1,648 +1,506 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.3.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MS SQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_driver extends CI_DB {
- var $dbdriver = 'mssql';
-
- // The character used for escaping
- var $_escape_char = '';
-
- // clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_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 $_random_keyword = ' ASC'; // not currently supported
-
/**
- * Non-persistent database connection
+ * Database driver
*
- * @access private called by the base class
- * @return resource
+ * @var string
*/
- function db_connect()
- {
- if ($this->port != '')
- {
- $this->hostname .= ','.$this->port;
- }
-
- return @mssql_connect($this->hostname, $this->username, $this->password);
- }
+ public $dbdriver = 'mssql';
// --------------------------------------------------------------------
/**
- * Persistent database connection
+ * ORDER BY random keyword
*
- * @access private called by the base class
- * @return resource
+ * @var array
*/
- function db_pconnect()
- {
- if ($this->port != '')
- {
- $this->hostname .= ','.$this->port;
- }
-
- return @mssql_pconnect($this->hostname, $this->username, $this->password);
- }
-
- // --------------------------------------------------------------------
+ protected $_random_keyword = array('NEWID()', 'RAND(%d)');
/**
- * Reconnect
+ * Quoted identifier flag
*
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
+ * Whether to use SQL-92 standard quoted identifier
+ * (double quotes) or brackets for identifier escaping.
*
- * @access public
- * @return void
+ * @var bool
*/
- function reconnect()
- {
- // not implemented in MSSQL
- }
+ protected $_quoted_identifier = TRUE;
// --------------------------------------------------------------------
/**
- * Select the database
+ * Class constructor
*
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // Note: The brackets are required in the event that the DB name
- // contains reserved characters
- return @mssql_select_db('['.$this->database.']', $this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set client character set
+ * Appends the port number to the hostname, if needed.
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * @param array $params
+ * @return void
*/
- function db_set_charset($charset, $collation)
+ public function __construct($params)
{
- // @todo - add support if needed
- return TRUE;
- }
+ parent::__construct($params);
- // --------------------------------------------------------------------
-
- /**
- * Execute the query
- *
- * @access private called by the base class
- * @param string an SQL query
- * @return resource
- */
- function _execute($sql)
- {
- $sql = $this->_prep_query($sql);
- return @mssql_query($sql, $this->conn_id);
+ if ( ! empty($this->port))
+ {
+ $this->hostname .= (DIRECTORY_SEPARATOR === '\\' ? ',' : ':').$this->port;
+ }
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
+ * Non-persistent database connection
*
- * @access private called by execute()
- * @param string an SQL query
- * @return string
+ * @param bool $persistent
+ * @return resource
*/
- function _prep_query($sql)
+ public function db_connect($persistent = FALSE)
{
- return $sql;
- }
-
- // --------------------------------------------------------------------
+ $this->conn_id = ($persistent)
+ ? mssql_pconnect($this->hostname, $this->username, $this->password)
+ : mssql_connect($this->hostname, $this->username, $this->password);
- /**
- * Begin Transaction
- *
- * @access public
- * @return bool
- */
- function trans_begin($test_mode = FALSE)
- {
- if ( ! $this->trans_enabled)
+ if ( ! $this->conn_id)
{
- return TRUE;
+ return FALSE;
}
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ // ----------------------------------------------------------------
+
+ // Select the DB... assuming a database name is specified in the config file
+ if ($this->database !== '' && ! $this->db_select())
{
- return TRUE;
+ log_message('error', 'Unable to select database: '.$this->database);
+
+ return ($this->db_debug === TRUE)
+ ? $this->display_error('db_unable_to_select', $this->database)
+ : FALSE;
}
- // Reset the transaction failure flag.
- // If the $test_mode flag is set to TRUE transactions will be rolled back
- // even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ // Determine how identifiers are escaped
+ $query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
+ $query = $query->row_array();
+ $this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
+ $this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
- $this->simple_query('BEGIN TRAN');
- return TRUE;
+ return $this->conn_id;
}
// --------------------------------------------------------------------
/**
- * Commit Transaction
+ * Select the database
*
- * @access public
+ * @param string $database
* @return bool
*/
- function trans_commit()
+ public function db_select($database = '')
{
- if ( ! $this->trans_enabled)
+ if ($database === '')
{
- return TRUE;
+ $database = $this->database;
}
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ // Note: Escaping is required in the event that the DB name
+ // contains reserved characters.
+ if (mssql_select_db('['.$database.']', $this->conn_id))
{
+ $this->database = $database;
+ $this->data_cache = array();
return TRUE;
}
- $this->simple_query('COMMIT TRAN');
- return TRUE;
+ return FALSE;
}
// --------------------------------------------------------------------
/**
- * Rollback Transaction
+ * Execute the query
*
- * @access public
- * @return bool
+ * @param string $sql an SQL query
+ * @return mixed resource if rows are returned, bool otherwise
*/
- function trans_rollback()
+ protected function _execute($sql)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
- {
- return TRUE;
- }
-
- $this->simple_query('ROLLBACK TRAN');
- return TRUE;
+ return mssql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Escape String
+ * Begin Transaction
*
- * @access public
- * @param string
- * @param bool whether or not the string will be used in a LIKE condition
- * @return string
+ * @return bool
*/
- function escape_str($str, $like = FALSE)
+ protected function _trans_begin()
{
- if (is_array($str))
- {
- foreach ($str as $key => $val)
- {
- $str[$key] = $this->escape_str($val, $like);
- }
-
- return $str;
- }
-
- // Escape single quotes
- $str = str_replace("'", "''", remove_invisible_characters($str));
-
- // escape LIKE condition wildcards
- if ($like === TRUE)
- {
- $str = str_replace(
- array($this->_like_escape_chr, '%', '_'),
- array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
- $str
- );
- }
-
- return $str;
+ return $this->simple_query('BEGIN TRAN');
}
// --------------------------------------------------------------------
/**
- * Affected Rows
+ * Commit Transaction
*
- * @access public
- * @return integer
+ * @return bool
*/
- function affected_rows()
+ protected function _trans_commit()
{
- return @mssql_rows_affected($this->conn_id);
+ return $this->simple_query('COMMIT TRAN');
}
// --------------------------------------------------------------------
/**
- * Insert ID
- *
- * Returns the last id created in the Identity column.
- *
- * @access public
- * @return integer
- */
- function insert_id()
- {
- $ver = self::_parse_major_version($this->version());
- $sql = ($ver >= 8 ? "SELECT SCOPE_IDENTITY() AS last_id" : "SELECT @@IDENTITY AS last_id");
- $query = $this->query($sql);
- $row = $query->row();
- return $row->last_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)
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ protected function _trans_rollback()
{
- 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.
+ return $this->simple_query('ROLLBACK TRAN');
}
// --------------------------------------------------------------------
/**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
+ * Affected Rows
+ *
+ * @return int
+ */
+ public function affected_rows()
{
- return "SELECT @@VERSION AS ver";
+ return mssql_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
- * "Count All" query
+ * Insert ID
*
- * Generates a platform-specific query string that counts all records in
- * the specified database
+ * Returns the last id created in the Identity column.
*
- * @access public
- * @param string
* @return string
*/
- function count_all($table = '')
+ public function insert_id()
{
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
- }
+ $query = version_compare($this->version(), '8', '>=')
+ ? 'SELECT SCOPE_IDENTITY() AS last_id'
+ : 'SELECT @@IDENTITY AS last_id';
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
+ $query = $this->query($query);
+ $query = $query->row();
+ return $query->last_id;
}
// --------------------------------------------------------------------
/**
- * List table query
- *
- * Generates a platform-specific query string so that the table names can be fetched
+ * Set client character set
*
- * @access private
- * @param boolean
- * @return string
+ * @param string $charset
+ * @return bool
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _db_set_charset($charset)
{
- $sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
-
- // for future compatibility
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
- {
- //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
- return FALSE; // not currently supported
- }
-
- return $sql;
+ return (ini_set('mssql.charset', $charset) !== FALSE);
}
// --------------------------------------------------------------------
/**
- * List column query
- *
- * Generates a platform-specific query string so that the column names can be fetched
+ * Version number query string
*
- * @access private
- * @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _version()
{
- return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
+ return "SELECT SERVERPROPERTY('ProductVersion') AS ver";
}
// --------------------------------------------------------------------
/**
- * Field data query
+ * List table query
*
- * Generates a platform-specific query so that the column data can be retrieved
+ * Generates a platform-specific query string so that the table names can be fetched
*
- * @access public
- * @param string the table name
- * @return object
+ * @param bool $prefix_limit
+ * @return string
*/
- function _field_data($table)
+ protected function _list_tables($prefix_limit = FALSE)
{
- return "SELECT TOP 1 * FROM ".$table;
- }
+ $sql = 'SELECT '.$this->escape_identifiers('name')
+ .' FROM '.$this->escape_identifiers('sysobjects')
+ .' WHERE '.$this->escape_identifiers('type')." = 'U'";
- // --------------------------------------------------------------------
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
+ {
+ $sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
- /**
- * The error message string
- *
- * @access private
- * @return string
- */
- function _error_message()
- {
- return mssql_get_last_message();
+ return $sql.' ORDER BY '.$this->escape_identifiers('name');
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * List column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
*
- * @access private
- * @return integer
+ * @param string $table
+ * @return string
*/
- function _error_number()
+ protected function _list_columns($table = '')
{
- // Are error numbers supported?
- return '';
+ return 'SELECT COLUMN_NAME
+ FROM INFORMATION_SCHEMA.Columns
+ WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
+ * Returns an object with field data
*
- * @access private
- * @param string
- * @return string
+ * @param string $table
+ * @return array
*/
- function _escape_identifiers($item)
+ public function field_data($table)
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
+ $sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
+ FROM INFORMATION_SCHEMA.Columns
+ WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
- foreach ($this->_reserved_identifiers as $id)
+ if (($query = $this->query($sql)) === FALSE)
{
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
+ return FALSE;
}
+ $query = $query->result_object();
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
{
- $str = $this->_escape_char.$item.$this->_escape_char;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->COLUMN_NAME;
+ $retval[$i]->type = $query[$i]->DATA_TYPE;
+ $retval[$i]->max_length = ($query[$i]->CHARACTER_MAXIMUM_LENGTH > 0) ? $query[$i]->CHARACTER_MAXIMUM_LENGTH : $query[$i]->NUMERIC_PRECISION;
+ $retval[$i]->default = $query[$i]->COLUMN_DEFAULT;
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * From Tables
+ * Error
*
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
+ * Returns an array containing code and message of the last
+ * database error that has occurred.
*
- * @access public
- * @param type
- * @return type
+ * @return array
*/
- function _from_tables($tables)
+ public function error()
{
- if ( ! is_array($tables))
+ // We need this because the error info is discarded by the
+ // server the first time you request it, and query() already
+ // calls error() once for logging purposes when a query fails.
+ static $error = array('code' => 0, 'message' => NULL);
+
+ $message = mssql_get_last_message();
+ if ( ! empty($message))
{
- $tables = array($tables);
+ $error['code'] = $this->query('SELECT @@ERROR AS code')->row()->code;
+ $error['message'] = $message;
}
- return implode(', ', $tables);
+ return $error;
}
// --------------------------------------------------------------------
/**
- * Insert statement
+ * Update statement
*
- * Generates a platform-specific insert string from the supplied data
+ * Generates a platform-specific update string from the supplied data
*
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param string $table
+ * @param array $values
* @return string
*/
- function _insert($table, $keys, $values)
+ protected function _update($table, $values)
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ $this->qb_limit = FALSE;
+ $this->qb_orderby = array();
+ return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
- * Update statement
+ * Truncate statement
*
- * Generates a platform-specific update string from the supplied data
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the TRUNCATE statement,
+ * then this method maps to 'DELETE FROM table'
*
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param string $table
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _truncate($table)
{
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return 'TRUNCATE TABLE '.$table;
}
-
// --------------------------------------------------------------------
/**
- * Truncate statement
+ * Delete statement
*
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
+ * Generates a platform-specific delete string from the supplied data
*
- * @access public
- * @param string the table name
+ * @param string $table
* @return string
*/
- function _truncate($table)
+ protected function _delete($table)
{
- return "TRUNCATE ".$table;
+ if ($this->qb_limit)
+ {
+ return 'WITH ci_delete AS (SELECT TOP '.$this->qb_limit.' * FROM '.$table.$this->_compile_wh('qb_where').') DELETE FROM ci_delete';
+ }
+
+ return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
- * Delete statement
+ * LIMIT
*
- * Generates a platform-specific delete string from the supplied data
+ * Generates a platform-specific LIMIT clause
*
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
+ * @param string $sql SQL Query
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _limit($sql)
{
- $conditions = '';
+ $limit = $this->qb_offset + $this->qb_limit;
- if (count($where) > 0 OR count($like) > 0)
+ // As of SQL Server 2005 (9.0.*) ROW_NUMBER() is supported,
+ // however an ORDER BY clause is required for it to work
+ if (version_compare($this->version(), '9', '>=') && $this->qb_offset && ! empty($this->qb_orderby))
{
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ $orderby = $this->_compile_order_by();
- if (count($where) > 0 && count($like) > 0)
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, $orderby)));
+
+ // Get the fields to select from our subquery, so that we can avoid CI_rownum appearing in the actual results
+ if (count($this->qb_select) === 0)
{
- $conditions .= " AND ";
+ $select = '*'; // Inevitable
+ }
+ else
+ {
+ // Use only field names and their aliases, everything else is out of our scope.
+ $select = array();
+ $field_regexp = ($this->_quoted_identifier)
+ ? '("[^\"]+")' : '(\[[^\]]+\])';
+ for ($i = 0, $c = count($this->qb_select); $i < $c; $i++)
+ {
+ $select[] = preg_match('/(?:\s|\.)'.$field_regexp.'$/i', $this->qb_select[$i], $m)
+ ? $m[1] : $this->qb_select[$i];
+ }
+ $select = implode(', ', $select);
}
- $conditions .= implode("\n", $like);
- }
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+ return 'SELECT '.$select." FROM (\n\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.trim($orderby).') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.($this->qb_offset + 1).' AND '.$limit;
+ }
- return "DELETE FROM ".$table.$conditions.$limit;
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
/**
- * Limit string
+ * Insert batch statement
*
- * Generates a platform-specific LIMIT clause
+ * Generates a platform-specific insert string from the supplied data.
*
- * @access public
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
+ * @param string $table Table name
+ * @param array $keys INSERT keys
+ * @param array $values INSERT values
+ * @return string|bool
*/
- function _limit($sql, $limit, $offset)
+ protected function _insert_batch($table, $keys, $values)
{
- $i = $limit + $offset;
+ // Multiple-value inserts are only supported as of SQL Server 2008
+ if (version_compare($this->version(), '10', '>='))
+ {
+ return parent::_insert_batch($table, $keys, $values);
+ }
- return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
+ return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
@@ -650,18 +508,11 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @mssql_close($conn_id);
+ mssql_close($this->conn_id);
}
}
-
-
-
-/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index acb4dc50b..6b6109868 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -1,248 +1,151 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.3.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MS SQL Forge Class
*
+ * @package CodeIgniter
+ * @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_forge extends CI_DB_forge {
/**
- * Create database
+ * CREATE TABLE IF statement
*
- * @access private
- * @param string the database name
- * @return bool
+ * @var string
*/
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_table_if = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nCREATE TABLE";
/**
- * Drop database
+ * DROP TABLE IF statement
*
- * @access private
- * @param string the database name
- * @return bool
+ * @var string
*/
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table_if = "IF EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nDROP TABLE";
/**
- * Drop Table
+ * UNSIGNED support
*
- * @access private
- * @return bool
+ * @var array
*/
- function _drop_table($table)
- {
- return "DROP TABLE ".$this->db->_escape_identifiers($table);
- }
+ protected $_unsigned = array(
+ 'TINYINT' => 'SMALLINT',
+ 'SMALLINT' => 'INT',
+ 'INT' => 'BIGINT',
+ 'REAL' => 'FLOAT'
+ );
// --------------------------------------------------------------------
/**
- * Create Table
+ * ALTER TABLE
*
- * @access private
- * @param string the table name
- * @param array the fields
- * @param mixed primary key(s)
- * @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param string $alter_type ALTER type
+ * @param string $table Table name
+ * @param mixed $field Column definition
+ * @return string|string[]
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _alter_table($alter_type, $table, $field)
{
- $sql = 'CREATE TABLE ';
-
- if ($if_not_exists === TRUE)
- {
- $sql .= 'IF NOT EXISTS ';
- }
-
- $sql .= $this->db->_escape_identifiers($table)." (";
- $current_field_count = 0;
-
- foreach ($fields as $field=>$attributes)
- {
- // Numeric field names aren't allowed in databases, so if the key is
- // numeric, we know it was assigned by PHP and the developer manually
- // entered the field information, so we'll simply add it to the list
- if (is_numeric($field))
- {
- $sql .= "\n\t$attributes";
- }
- else
- {
- $attributes = array_change_key_case($attributes, CASE_UPPER);
-
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
-
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- $sql .= ' UNSIGNED';
- }
-
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
-
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' AUTO_INCREMENT';
- }
- }
-
- // don't add a comma on the end of the last field
- if (++$current_field_count < count($fields))
- {
- $sql .= ',';
- }
- }
-
- if (count($primary_keys) > 0)
+ if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ return parent::_alter_table($alter_type, $table, $field);
}
- if (is_array($keys) && count($keys) > 0)
+ $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' ALTER COLUMN ';
+ $sqls = array();
+ for ($i = 0, $c = count($field); $i < $c; $i++)
{
- foreach ($keys as $key)
- {
- if (is_array($key))
- {
- $key = $this->db->_protect_identifiers($key);
- }
- else
- {
- $key = array($this->db->_protect_identifiers($key));
- }
-
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
- }
+ $sqls[] = $sql.$this->_process_column($field[$i]);
}
- $sql .= "\n)";
-
- return $sql;
+ return $sqls;
}
// --------------------------------------------------------------------
/**
- * Alter table query
+ * Field attribute TYPE
*
- * Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
+ * Performs a data type mapping between different databases.
*
- * @access private
- * @param string the ALTER type (ADD, DROP, CHANGE)
- * @param string the column name
- * @param string the table name
- * @param string the column definition
- * @param string the default value
- * @param boolean should 'NOT NULL' be added
- * @param string the field after which we should add the new field
- * @return object
+ * @param array &$attributes
+ * @return void
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _attr_type(&$attributes)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
-
- // DROP has everything it needs now.
- if ($alter_type == 'DROP')
- {
- return $sql;
- }
-
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
+ if (isset($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') !== FALSE)
{
- $sql .= ' NOT NULL';
+ unset($attributes['CONSTRAINT']);
}
- if ($after_field != '')
+ switch (strtoupper($attributes['TYPE']))
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ case 'MEDIUMINT':
+ $attributes['TYPE'] = 'INTEGER';
+ $attributes['UNSIGNED'] = FALSE;
+ return;
+ case 'INTEGER':
+ $attributes['TYPE'] = 'INT';
+ return;
+ default: return;
}
-
- return $sql;
-
}
// --------------------------------------------------------------------
/**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
+ * Field attribute AUTO_INCREMENT
*
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
+ * @param array &$attributes
+ * @param array &$field
+ * @return void
*/
- function _rename_table($table_name, $new_table_name)
+ protected function _attr_auto_increment(&$attributes, &$field)
{
- // I think this syntax will work, but can find little documentation on renaming tables in MSSQL
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
+ {
+ $field['auto_increment'] = ' IDENTITY(1,1)';
+ }
}
}
-
-/* End of file mssql_forge.php */
-/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index af4b3c541..38a0a0574 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -1,40 +1,65 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.3.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
- * MS SQL Result Class
+ * MSSQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
+ * @package CodeIgniter
+ * @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @mssql_num_rows($this->result_id);
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = mssql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
@@ -42,12 +67,11 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
- return @mssql_num_fields($this->result_id);
+ return mssql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
@@ -57,12 +81,12 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
+ mssql_field_seek($this->result_id, 0);
while ($field = mssql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
@@ -78,22 +102,19 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- while ($field = mssql_fetch_field($this->result_id))
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $F = new stdClass();
- $F->name = $field->name;
- $F->type = $field->type;
- $F->max_length = $field->max_length;
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $field = mssql_fetch_field($this->result_id, $i);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $field->name;
+ $retval[$i]->type = $field->type;
+ $retval[$i]->max_length = $field->max_length;
}
return $retval;
@@ -104,9 +125,9 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -120,14 +141,14 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
- * result set starts at zero
+ * result set starts at zero.
*
- * @access private
- * @return array
+ * @param int $n
+ * @return bool
*/
- function _data_seek($n = 0)
+ public function data_seek($n = 0)
{
return mssql_data_seek($this->result_id, $n);
}
@@ -139,10 +160,9 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return mssql_fetch_assoc($this->result_id);
}
@@ -154,16 +174,25 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
+ * @param string $class_name
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- return mssql_fetch_object($this->result_id);
- }
+ $row = mssql_fetch_object($this->result_id);
-}
+ if ($class_name === 'stdClass' OR ! $row)
+ {
+ return $row;
+ }
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
+ {
+ $class_name->$key = $value;
+ }
-/* End of file mssql_result.php */
-/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file
+ return $class_name;
+ }
+
+}
diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php
index 0e4e7be8c..95ce88f13 100644
--- a/system/database/drivers/mssql/mssql_utility.php
+++ b/system/database/drivers/mssql/mssql_utility.php
@@ -1,88 +1,77 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ * @since Version 1.3.0
* @filesource
*/
-
-// ------------------------------------------------------------------------
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MS SQL Utility Class
*
+ * @package CodeIgniter
+ * @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_utility extends CI_DB_utility {
/**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
+ * List databases statement
*
- * @access private
- * @param string the table name
- * @return object
+ * @var string
*/
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases
/**
- * Repair table query
+ * OPTIMIZE TABLE statement
*
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
+ * @var string
*/
- function _repair_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
+ protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
- * MSSQL Export
+ * Export
*
- * @access private
- * @param array Preferences
- * @return mixed
+ * @param array $params Preferences
+ * @return bool
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
- return $this->db->display_error('db_unsuported_feature');
+ return $this->db->display_error('db_unsupported_feature');
}
}
-
-/* End of file mssql_utility.php */
-/* Location: ./system/database/drivers/mssql/mssql_utility.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-10 00:35:27 +0100