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-rw-r--r--system/database/drivers/odbc/index.html3
-rw-r--r--system/database/drivers/odbc/odbc_driver.php616
-rw-r--r--system/database/drivers/odbc/odbc_forge.php282
-rw-r--r--system/database/drivers/odbc/odbc_result.php242
-rw-r--r--system/database/drivers/odbc/odbc_utility.php120
5 files changed, 436 insertions, 827 deletions
diff --git a/system/database/drivers/odbc/index.html b/system/database/drivers/odbc/index.html
index c942a79ce..b702fbc39 100644
--- a/system/database/drivers/odbc/index.html
+++ b/system/database/drivers/odbc/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/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 0e82d57ae..ef982fc63 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -1,617 +1,414 @@
-<?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');
/**
* ODBC 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_odbc_driver extends CI_DB {
-
- var $dbdriver = 'odbc';
-
- // the character used to excape - not necessary for ODBC
- var $_escape_char = '';
-
- // clause and character used for LIKE escape sequences
- var $_like_escape_str = " {escape '%s'} ";
- var $_like_escape_chr = '!';
+class CI_DB_odbc_driver extends CI_DB_driver {
/**
- * 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.
+ * Database driver
+ *
+ * @var string
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword;
-
-
- function __construct($params)
- {
- parent::__construct($params);
-
- $this->_random_keyword = ' RND('.time().')'; // database specific random keyword
- }
+ public $dbdriver = 'odbc';
/**
- * Non-persistent database connection
+ * Database schema
*
- * @access private called by the base class
- * @return resource
+ * @var string
*/
- function db_connect()
- {
- return @odbc_connect($this->hostname, $this->username, $this->password);
- }
+ public $schema = 'public';
// --------------------------------------------------------------------
/**
- * Persistent database connection
+ * Identifier escape character
*
- * @access private called by the base class
- * @return resource
+ * Must be empty for ODBC.
+ *
+ * @var string
*/
- function db_pconnect()
- {
- return @odbc_pconnect($this->hostname, $this->username, $this->password);
- }
-
- // --------------------------------------------------------------------
+ protected $_escape_char = '';
/**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
+ * ESCAPE statement string
*
- * @access public
- * @return void
+ * @var string
*/
- function reconnect()
- {
- // not implemented in odbc
- }
-
- // --------------------------------------------------------------------
+ protected $_like_escape_str = " {escape '%s'} ";
/**
- * Select the database
+ * ORDER BY random keyword
*
- * @access private called by the base class
- * @return resource
+ * @var array
*/
- function db_select()
- {
- // Not needed for ODBC
- return TRUE;
- }
+ protected $_random_keyword = array('RND()', 'RND(%d)');
// --------------------------------------------------------------------
/**
- * Set client character set
+ * ODBC result ID resource returned from odbc_prepare()
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * @var resource
*/
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
+ private $odbc_result;
/**
- * Version number query string
+ * Values to use with odbc_execute() for prepared statements
*
- * @access public
- * @return string
+ * @var array
*/
- function _version()
- {
- return "SELECT version() AS ver";
- }
+ private $binds = array();
// --------------------------------------------------------------------
/**
- * Execute the query
+ * Class constructor
*
- * @access private called by the base class
- * @param string an SQL query
- * @return resource
+ * @param array $params
+ * @return void
*/
- function _execute($sql)
+ public function __construct($params)
{
- $sql = $this->_prep_query($sql);
- return @odbc_exec($this->conn_id, $sql);
+ parent::__construct($params);
+
+ // Legacy support for DSN in the hostname field
+ if (empty($this->dsn))
+ {
+ $this->dsn = $this->hostname;
+ }
}
// --------------------------------------------------------------------
/**
- * 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 $sql;
+ return ($persistent === TRUE)
+ ? odbc_pconnect($this->dsn, $this->username, $this->password)
+ : odbc_connect($this->dsn, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
- * Begin Transaction
+ * Compile Bindings
*
- * @access public
- * @return bool
+ * @param string $sql SQL statement
+ * @param array $binds An array of values to bind
+ * @return string
*/
- function trans_begin($test_mode = FALSE)
+ public function compile_binds($sql, $binds)
{
- if ( ! $this->trans_enabled)
+ if (empty($binds) OR empty($this->bind_marker) OR strpos($sql, $this->bind_marker) === FALSE)
{
- return TRUE;
+ return $sql;
}
-
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ elseif ( ! is_array($binds))
{
- return TRUE;
+ $binds = array($binds);
+ $bind_count = 1;
+ }
+ else
+ {
+ // Make sure we're using numeric keys
+ $binds = array_values($binds);
+ $bind_count = count($binds);
}
- // 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;
-
- return odbc_autocommit($this->conn_id, FALSE);
- }
-
- // --------------------------------------------------------------------
+ // We'll need the marker length later
+ $ml = strlen($this->bind_marker);
- /**
- * Commit Transaction
- *
- * @access public
- * @return bool
- */
- function trans_commit()
- {
- if ( ! $this->trans_enabled)
+ // Make sure not to replace a chunk inside a string that happens to match the bind marker
+ if ($c = preg_match_all("/'[^']*'|\"[^\"]*\"/i", $sql, $matches))
{
- return TRUE;
+ $c = preg_match_all('/'.preg_quote($this->bind_marker, '/').'/i',
+ str_replace($matches[0],
+ str_replace($this->bind_marker, str_repeat(' ', $ml), $matches[0]),
+ $sql, $c),
+ $matches, PREG_OFFSET_CAPTURE);
+
+ // Bind values' count must match the count of markers in the query
+ if ($bind_count !== $c)
+ {
+ return $sql;
+ }
}
-
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ elseif (($c = preg_match_all('/'.preg_quote($this->bind_marker, '/').'/i', $sql, $matches, PREG_OFFSET_CAPTURE)) !== $bind_count)
{
- return TRUE;
+ return $sql;
}
- $ret = odbc_commit($this->conn_id);
- odbc_autocommit($this->conn_id, TRUE);
- return $ret;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rollback Transaction
- *
- * @access public
- * @return bool
- */
- function trans_rollback()
- {
- if ( ! $this->trans_enabled)
+ if ($this->bind_marker !== '?')
{
- return TRUE;
+ do
+ {
+ $c--;
+ $sql = substr_replace($sql, '?', $matches[0][$c][1], $ml);
+ }
+ while ($c !== 0);
}
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if (FALSE !== ($this->odbc_result = odbc_prepare($this->conn_id, $sql)))
{
- return TRUE;
+ $this->binds = array_values($binds);
}
- $ret = odbc_rollback($this->conn_id);
- odbc_autocommit($this->conn_id, TRUE);
- return $ret;
+ return $sql;
}
// --------------------------------------------------------------------
/**
- * Escape String
+ * Execute the query
*
- * @access public
- * @param string
- * @param bool whether or not the string will be used in a LIKE condition
- * @return string
+ * @param string $sql an SQL query
+ * @return resource
*/
- function escape_str($str, $like = FALSE)
+ protected function _execute($sql)
{
- if (is_array($str))
+ if ( ! isset($this->odbc_result))
{
- foreach ($str as $key => $val)
- {
- $str[$key] = $this->escape_str($val, $like);
- }
-
- return $str;
+ return odbc_exec($this->conn_id, $sql);
+ }
+ elseif ($this->odbc_result === FALSE)
+ {
+ return FALSE;
}
- // ODBC doesn't require escaping
- $str = remove_invisible_characters($str);
-
- // escape LIKE condition wildcards
- if ($like === TRUE)
+ if (TRUE === ($success = odbc_execute($this->odbc_result, $this->binds)))
{
- $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);
+ // For queries that return result sets, return the result_id resource on success
+ $this->is_write_type($sql) OR $success = $this->odbc_result;
}
- return $str;
- }
+ $this->odbc_result = NULL;
+ $this->binds = array();
- // --------------------------------------------------------------------
-
- /**
- * Affected Rows
- *
- * @access public
- * @return integer
- */
- function affected_rows()
- {
- return @odbc_num_rows($this->conn_id);
+ return $success;
}
// --------------------------------------------------------------------
/**
- * Insert ID
+ * Begin Transaction
*
- * @access public
- * @return integer
+ * @return bool
*/
- function insert_id()
+ protected function _trans_begin()
{
- return @odbc_insert_id($this->conn_id);
+ return odbc_autocommit($this->conn_id, FALSE);
}
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
+ * Commit Transaction
*
- * @access public
- * @param string
- * @return string
+ * @return bool
*/
- function count_all($table = '')
+ protected function _trans_commit()
{
- if ($table == '')
+ if (odbc_commit($this->conn_id))
{
- return 0;
- }
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
- if ($query->num_rows() == 0)
- {
- return 0;
+ odbc_autocommit($this->conn_id, TRUE);
+ return TRUE;
}
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
+ return FALSE;
}
// --------------------------------------------------------------------
/**
- * Show table query
- *
- * Generates a platform-specific query string so that the table names can be fetched
+ * Rollback Transaction
*
- * @access private
- * @param boolean
- * @return string
+ * @return bool
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _trans_rollback()
{
- $sql = "SHOW TABLES FROM `".$this->database."`";
-
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if (odbc_rollback($this->conn_id))
{
- //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
- return FALSE; // not currently supported
+ odbc_autocommit($this->conn_id, TRUE);
+ return TRUE;
}
- return $sql;
+ return FALSE;
}
// --------------------------------------------------------------------
/**
- * Show column query
- *
- * Generates a platform-specific query string so that the column names can be fetched
+ * Determines if a query is a "write" type.
*
- * @access public
- * @param string the table name
- * @return string
- */
- function _list_columns($table = '')
- {
- return "SHOW COLUMNS FROM ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
- *
- * @access public
- * @param string the table name
- * @return object
+ * @param string An SQL query string
+ * @return bool
*/
- function _field_data($table)
+ public function is_write_type($sql)
{
- return "SELECT TOP 1 FROM ".$table;
- }
-
- // --------------------------------------------------------------------
+ if (preg_match('#^(INSERT|UPDATE).*RETURNING\s.+(\,\s?.+)*$#is', $sql))
+ {
+ return FALSE;
+ }
- /**
- * The error message string
- *
- * @access private
- * @return string
- */
- function _error_message()
- {
- return odbc_errormsg($this->conn_id);
+ return parent::is_write_type($sql);
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Platform-dependent string escape
*
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return odbc_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access private
* @param string
* @return string
*/
- function _escape_identifiers($item)
+ protected function _escape_str($str)
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($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, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ $this->display_error('db_unsupported_feature');
}
// --------------------------------------------------------------------
/**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
+ * Affected Rows
*
- * @access public
- * @param type
- * @return type
+ * @return int
*/
- function _from_tables($tables)
+ public function affected_rows()
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
+ return odbc_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
+ * Insert ID
*
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
+ * @return bool
*/
- function _insert($table, $keys, $values)
+ public function insert_id()
{
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
/**
- * Update statement
+ * Show table query
*
- * Generates a platform-specific update string from the supplied data
+ * Generates a platform-specific query string so that the table names can be fetched
*
- * @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 bool $prefix_limit
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- foreach ($values as $key => $val)
+ $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = '".$this->schema."'";
+
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $valstr[] = $key." = ".$val;
+ return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' "
+ .sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
- $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;
}
-
// --------------------------------------------------------------------
/**
- * Truncate statement
+ * Show column query
*
- * 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 query string so that the column names can be fetched
*
- * @access public
- * @param string the table name
+ * @param string $table
* @return string
*/
- function _truncate($table)
+ protected function _list_columns($table = '')
{
- return $this->_delete($table);
+ return 'SHOW COLUMNS FROM '.$table;
}
// --------------------------------------------------------------------
/**
- * Delete statement
+ * Field data query
*
- * Generates a platform-specific delete string from the supplied data
+ * Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
+ * @param string $table
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _field_data($table)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'SELECT TOP 1 FROM '.$table;
}
// --------------------------------------------------------------------
/**
- * Limit string
+ * Error
*
- * Generates a platform-specific LIMIT clause
+ * Returns an array containing code and message of the last
+ * database error that has occurred.
*
- * @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
+ * @return array
*/
- function _limit($sql, $limit, $offset)
+ public function error()
{
- // Does ODBC doesn't use the LIMIT clause?
- return $sql;
+ return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id));
}
// --------------------------------------------------------------------
@@ -619,19 +416,10 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close()
{
- @odbc_close($conn_id);
+ odbc_close($this->conn_id);
}
-
-
}
-
-
-
-/* End of file odbc_driver.php */
-/* Location: ./system/database/drivers/odbc/odbc_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php
index 46ba5c5bc..77b2fdf62 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -1,266 +1,86 @@
-<?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');
/**
* ODBC Forge Class
*
+ * @package CodeIgniter
+ * @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/database/
*/
class CI_DB_odbc_forge extends CI_DB_forge {
/**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database()
- {
- // ODBC has no "create database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
+ * CREATE TABLE IF statement
*
- * @access private
- * @param string the database name
- * @return bool
+ * @var string
*/
- function _drop_database($name)
- {
- // ODBC has no "drop database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Create Table
- *
- * @access private
- * @param string the table name
- * @param array the fields
- * @param mixed primary key(s)
- * @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
- */
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
- {
- $sql = 'CREATE TABLE ';
-
- if ($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)
- {
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
- }
-
- if (is_array($keys) && count($keys) > 0)
- {
- foreach ($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) . ")";
- }
- }
-
- $sql .= "\n)";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_table_if = FALSE;
/**
- * Drop Table
+ * DROP TABLE IF statement
*
- * @access private
- * @return bool
+ * @var string
*/
- function _drop_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table_if = FALSE;
/**
- * Alter table query
- *
- * Generates a platform-specific query so that a table can be altered
- * Called by add_column(), drop_column(), and column_alter(),
+ * UNSIGNED support
*
- * @access private
- * @param string the ALTER type (ADD, DROP, CHANGE)
- * @param string the column name
- * @param string the table name
- * @param string the column definition
- * @param string the default value
- * @param boolean should 'NOT NULL' be added
- * @param string the field after which we should add the new field
- * @return object
+ * @var bool|array
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
- {
- $sql = 'ALTER TABLE '.$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
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
-
- }
-
+ protected $_unsigned = FALSE;
// --------------------------------------------------------------------
/**
- * Rename a table
+ * Field attribute AUTO_INCREMENT
*
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
+ * @param array &$attributes
+ * @param array &$field
+ * @return void
*/
- function _rename_table($table_name, $new_table_name)
+ protected function _attr_auto_increment(&$attributes, &$field)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ // Not supported (in most databases at least)
}
-
}
-
-/* End of file odbc_forge.php */
-/* Location: ./system/database/drivers/odbc/odbc_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index 0963e9796..845aa9c79 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -1,40 +1,82 @@
-<?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');
/**
* ODBC 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_odbc_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 @odbc_num_rows($this->result_id);
+ if (is_int($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+ elseif (($this->num_rows = odbc_num_rows($this->result_id)) !== -1)
+ {
+ return $this->num_rows;
+ }
+
+ // Work-around for ODBC subdrivers that don't support num_rows()
+ if (count($this->result_array) > 0)
+ {
+ return $this->num_rows = count($this->result_array);
+ }
+ elseif (count($this->result_object) > 0)
+ {
+ return $this->num_rows = count($this->result_object);
+ }
+
+ return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
@@ -42,12 +84,11 @@ class CI_DB_odbc_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 @odbc_num_fields($this->result_id);
+ return odbc_num_fields($this->result_id);
}
// --------------------------------------------------------------------
@@ -57,15 +98,19 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ $num_fields = $this->num_fields();
+
+ if ($num_fields > 0)
{
- $field_names[] = odbc_field_name($this->result_id, $i);
+ for ($i = 1; $i <= $num_fields; $i++)
+ {
+ $field_names[] = odbc_field_name($this->result_id, $i);
+ }
}
return $field_names;
@@ -78,22 +123,19 @@ class CI_DB_odbc_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()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++)
{
- $F = new stdClass();
- $F->name = odbc_field_name($this->result_id, $i);
- $F->type = odbc_field_type($this->result_id, $i);
- $F->max_length = odbc_field_len($this->result_id, $i);
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = odbc_field_name($this->result_id, $odbc_index);
+ $retval[$i]->type = odbc_field_type($this->result_id, $odbc_index);
+ $retval[$i]->max_length = odbc_field_len($this->result_id, $odbc_index);
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -104,9 +146,9 @@ class CI_DB_odbc_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -118,111 +160,109 @@ class CI_DB_odbc_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Data Seek
+ * Result - associative array
*
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
+ * Returns the result set as an array
*
- * @access private
* @return array
*/
- function _data_seek($n = 0)
+ protected function _fetch_assoc()
{
- return FALSE;
+ return odbc_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
/**
- * Result - associative array
+ * Result - object
*
- * Returns the result set as an array
+ * Returns the result set as an object
*
- * @access private
- * @return array
+ * @param string $class_name
+ * @return object
*/
- function _fetch_assoc()
+ protected function _fetch_object($class_name = 'stdClass')
{
- if (function_exists('odbc_fetch_object'))
+ $row = odbc_fetch_object($this->result_id);
+
+ if ($class_name === 'stdClass' OR ! $row)
{
- return odbc_fetch_array($this->result_id);
+ return $row;
}
- else
+
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
{
- return $this->_odbc_fetch_array($this->result_id);
+ $class_name->$key = $value;
}
+
+ return $class_name;
}
- // --------------------------------------------------------------------
+}
+// --------------------------------------------------------------------
+
+if ( ! function_exists('odbc_fetch_array'))
+{
/**
- * Result - object
+ * ODBC Fetch array
*
- * Returns the result set as an object
+ * Emulates the native odbc_fetch_array() function when
+ * it is not available (odbc_fetch_array() requires unixODBC)
*
- * @access private
- * @return object
+ * @param resource &$result
+ * @param int $rownumber
+ * @return array
*/
- function _fetch_object()
+ function odbc_fetch_array(&$result, $rownumber = 1)
{
- if (function_exists('odbc_fetch_object'))
+ $rs = array();
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
- return odbc_fetch_object($this->result_id);
+ return FALSE;
}
- else
+
+ $rs_assoc = array();
+ foreach ($rs as $k => $v)
{
- return $this->_odbc_fetch_object($this->result_id);
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_assoc[$field_name] = $v;
}
+
+ return $rs_assoc;
}
+}
+// --------------------------------------------------------------------
+if ( ! function_exists('odbc_fetch_object'))
+{
/**
- * Result - object
+ * ODBC Fetch object
*
- * subsititutes the odbc_fetch_object function when
- * not available (odbc_fetch_object requires unixODBC)
+ * Emulates the native odbc_fetch_object() function when
+ * it is not available.
*
- * @access private
+ * @param resource &$result
+ * @param int $rownumber
* @return object
*/
- function _odbc_fetch_object(& $odbc_result) {
+ function odbc_fetch_object(&$result, $rownumber = 1)
+ {
$rs = array();
- $rs_obj = FALSE;
- if (odbc_fetch_into($odbc_result, $rs)) {
- foreach ($rs as $k=>$v) {
- $field_name= odbc_field_name($odbc_result, $k+1);
- $rs_obj->$field_name = $v;
- }
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
+ {
+ return FALSE;
}
- return $rs_obj;
- }
-
- /**
- * Result - array
- *
- * subsititutes the odbc_fetch_array function when
- * not available (odbc_fetch_array requires unixODBC)
- *
- * @access private
- * @return array
- */
- function _odbc_fetch_array(& $odbc_result) {
- $rs = array();
- $rs_assoc = FALSE;
- if (odbc_fetch_into($odbc_result, $rs)) {
- $rs_assoc=array();
- foreach ($rs as $k=>$v) {
- $field_name= odbc_field_name($odbc_result, $k+1);
- $rs_assoc[$field_name] = $v;
- }
+ $rs_object = new stdClass();
+ foreach ($rs as $k => $v)
+ {
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_object->$field_name = $v;
}
- return $rs_assoc;
- }
+ return $rs_object;
+ }
}
-
-
-/* End of file odbc_result.php */
-/* Location: ./system/database/drivers/odbc/odbc_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php
index 293e21b7d..643f6ec0c 100644
--- a/system/database/drivers/odbc/odbc_utility.php
+++ b/system/database/drivers/odbc/odbc_utility.php
@@ -1,103 +1,63 @@
-<?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');
/**
* ODBC Utility Class
*
+ * @package CodeIgniter
+ * @subpackage Drivers
* @category Database
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/database/
*/
class CI_DB_odbc_utility extends CI_DB_utility {
/**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- // Not sure if ODBC lets you list all databases...
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * ODBC Export
+ * Export
*
- * @access private
- * @param array Preferences
+ * @param array $params Preferences
* @return mixed
*/
- function _backup($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 odbc_utility.php */
-/* Location: ./system/database/drivers/odbc/odbc_utility.php */ \ No newline at end of file
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-03 11:16:37 +0100