diff options
Diffstat (limited to 'system/database/drivers/odbc/odbc_driver.php')
-rwxr-xr-x[-rw-r--r--] | system/database/drivers/odbc/odbc_driver.php | 119 |
1 files changed, 58 insertions, 61 deletions
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 6cb3080d4..c8e03c356 100644..100755 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -2,11 +2,11 @@ /** * CodeIgniter * - * An open source application development framework for PHP 4.3.2 or newer + * An open source application development framework for PHP 5.1.6 or newer * * @package CodeIgniter * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2010, EllisLab, Inc. + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. * @license http://codeigniter.com/user_guide/license.html * @link http://codeigniter.com * @since Version 1.0 @@ -31,14 +31,14 @@ 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 $_like_escape_chr = '!'; - + /** * The syntax to count rows is slightly different across different * database engines, so this string appears in each driver and is @@ -51,7 +51,7 @@ class CI_DB_odbc_driver extends CI_DB { function CI_DB_odbc_driver($params) { parent::CI_DB($params); - + $this->_random_keyword = ' RND('.time().')'; // database specific random keyword } @@ -60,12 +60,12 @@ class CI_DB_odbc_driver extends CI_DB { * * @access private called by the base class * @return resource - */ + */ function db_connect() { return @odbc_connect($this->hostname, $this->username, $this->password); } - + // -------------------------------------------------------------------- /** @@ -73,12 +73,12 @@ class CI_DB_odbc_driver extends CI_DB { * * @access private called by the base class * @return resource - */ + */ function db_pconnect() { return @odbc_pconnect($this->hostname, $this->username, $this->password); } - + // -------------------------------------------------------------------- /** @@ -102,7 +102,7 @@ class CI_DB_odbc_driver extends CI_DB { * * @access private called by the base class * @return resource - */ + */ function db_select() { // Not needed for ODBC @@ -126,7 +126,7 @@ class CI_DB_odbc_driver extends CI_DB { } // -------------------------------------------------------------------- - + /** * Version number query string * @@ -146,13 +146,13 @@ class CI_DB_odbc_driver extends CI_DB { * @access private called by the base class * @param string an SQL query * @return resource - */ + */ function _execute($sql) { $sql = $this->_prep_query($sql); return @odbc_exec($this->conn_id, $sql); } - + // -------------------------------------------------------------------- /** @@ -163,7 +163,7 @@ class CI_DB_odbc_driver extends CI_DB { * @access private called by execute() * @param string an SQL query * @return string - */ + */ function _prep_query($sql) { return $sql; @@ -175,15 +175,15 @@ class CI_DB_odbc_driver extends CI_DB { * Begin Transaction * * @access public - * @return bool - */ + * @return bool + */ function trans_begin($test_mode = FALSE) { if ( ! $this->trans_enabled) { return TRUE; } - + // When transactions are nested we only begin/commit/rollback the outermost ones if ($this->_trans_depth > 0) { @@ -204,8 +204,8 @@ class CI_DB_odbc_driver extends CI_DB { * Commit Transaction * * @access public - * @return bool - */ + * @return bool + */ function trans_commit() { if ( ! $this->trans_enabled) @@ -230,8 +230,8 @@ class CI_DB_odbc_driver extends CI_DB { * Rollback Transaction * * @access public - * @return bool - */ + * @return bool + */ function trans_rollback() { if ( ! $this->trans_enabled) @@ -265,19 +265,16 @@ class CI_DB_odbc_driver extends CI_DB { if (is_array($str)) { foreach($str as $key => $val) - { + { $str[$key] = $this->escape_str($val, $like); - } - - return $str; - } - - // Access the CI object - $CI =& get_instance(); - + } + + return $str; + } + // ODBC doesn't require escaping - $str = $CI->input->_remove_invisible_characters($str); - + $str = remove_invisible_characters($str); + // escape LIKE condition wildcards if ($like === TRUE) { @@ -285,10 +282,10 @@ class CI_DB_odbc_driver extends CI_DB { array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), $str); } - + return $str; } - + // -------------------------------------------------------------------- /** @@ -301,7 +298,7 @@ class CI_DB_odbc_driver extends CI_DB { { return @odbc_num_rows($this->conn_id); } - + // -------------------------------------------------------------------- /** @@ -362,13 +359,13 @@ class CI_DB_odbc_driver extends CI_DB { if ($prefix_limit !== FALSE AND $this->dbprefix != '') { - //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_char); + //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); return FALSE; // not currently supported } - + return $sql; } - + // -------------------------------------------------------------------- /** @@ -413,7 +410,7 @@ class CI_DB_odbc_driver extends CI_DB { { return odbc_errormsg($this->conn_id); } - + // -------------------------------------------------------------------- /** @@ -449,26 +446,26 @@ class CI_DB_odbc_driver extends CI_DB { { if (strpos($item, '.'.$id) !== FALSE) { - $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); - + $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; + $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); } - + // -------------------------------------------------------------------- /** @@ -487,12 +484,12 @@ class CI_DB_odbc_driver extends CI_DB { { $tables = array($tables); } - + return '('.implode(', ', $tables).')'; } // -------------------------------------------------------------------- - + /** * Insert statement * @@ -505,10 +502,10 @@ class CI_DB_odbc_driver extends CI_DB { * @return string */ function _insert($table, $keys, $values) - { + { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } - + // -------------------------------------------------------------------- /** @@ -530,21 +527,21 @@ class CI_DB_odbc_driver extends CI_DB { { $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 $sql; } - + // -------------------------------------------------------------------- /** @@ -557,12 +554,12 @@ class CI_DB_odbc_driver extends CI_DB { * @access public * @param string the table name * @return string - */ + */ function _truncate($table) { return $this->_delete($table); } - + // -------------------------------------------------------------------- /** @@ -575,7 +572,7 @@ class CI_DB_odbc_driver extends CI_DB { * @param array the where clause * @param string the limit clause * @return string - */ + */ function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; @@ -593,7 +590,7 @@ class CI_DB_odbc_driver extends CI_DB { } $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - + return "DELETE FROM ".$table.$conditions.$limit; } @@ -630,7 +627,7 @@ class CI_DB_odbc_driver extends CI_DB { @odbc_close($conn_id); } - + } |