diff options
Diffstat (limited to 'system/database/drivers/odbc/odbc_driver.php')
| -rw-r--r-- | system/database/drivers/odbc/odbc_driver.php | 176 |
1 files changed, 14 insertions, 162 deletions
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 6704264c6..e36f2d233 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -29,7 +29,7 @@ * 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 @@ -57,12 +57,17 @@ class CI_DB_odbc_driver extends CI_DB { protected $_count_string = 'SELECT COUNT(*) AS '; protected $_random_keyword; - public function __construct($params) { parent::__construct($params); $this->_random_keyword = ' RND('.time().')'; // database specific random keyword + + // Legacy support for DSN in the hostname field + if ($this->dsn == '') + { + $this->dsn = $this->hostname; + } } /** @@ -72,7 +77,7 @@ class CI_DB_odbc_driver extends CI_DB { */ public function db_connect() { - return @odbc_connect($this->hostname, $this->username, $this->password); + return @odbc_connect($this->dsn, $this->username, $this->password); } // -------------------------------------------------------------------- @@ -84,35 +89,7 @@ class CI_DB_odbc_driver extends CI_DB { */ public function db_pconnect() { - return @odbc_pconnect($this->hostname, $this->username, $this->password); - } - - // -------------------------------------------------------------------- - - /** - * Reconnect - * - * Keep / reestablish the db connection if no queries have been - * sent for a length of time exceeding the server's idle timeout - * - * @return void - */ - public function reconnect() - { - // not implemented in odbc - } - - // -------------------------------------------------------------------- - - /** - * Select the database - * - * @return resource - */ - public function db_select() - { - // Not needed for ODBC - return TRUE; + return @odbc_pconnect($this->dsn, $this->username, $this->password); } // -------------------------------------------------------------------- @@ -366,47 +343,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Escape the SQL Identifiers - * - * This function escapes column and table names - * - * @param string - * @return string - */ - public function _escape_identifiers($item) - { - 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, $str); - } - - // -------------------------------------------------------------------- - - /** * From Tables * * This function implicitly groups FROM tables so there is no confusion @@ -428,103 +364,19 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Insert statement - * - * Generates a platform-specific insert string from the supplied data - * - * @param string the table name - * @param array the insert keys - * @param array the insert values - * @return string - */ - protected function _insert($table, $keys, $values) - { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; - } - - // -------------------------------------------------------------------- - - /** - * Update statement - * - * Generates a platform-specific update string from the supplied data - * - * @param string the table name - * @param array the update data - * @param array the where clause - * @param array the orderby clause - * @param array the limit clause - * @return string - */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) - { - foreach ($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 $sql; - } - - - // -------------------------------------------------------------------- - - /** * Truncate statement * * Generates a platform-specific truncate string from the supplied data - * If the database does not support the truncate() command - * This function maps to "DELETE FROM table" * - * @param string the table name - * @return string - */ - protected function _truncate($table) - { - return $this->_delete($table); - } - - // -------------------------------------------------------------------- - - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data + * If the database does not support the truncate() command, + * then this method maps to 'DELETE FROM table' * * @param string the table name - * @param array the where clause - * @param string the limit clause * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _truncate($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.$limit; + return 'DELETE FROM '.$table; } // -------------------------------------------------------------------- @@ -561,4 +413,4 @@ class CI_DB_odbc_driver extends CI_DB { } /* End of file odbc_driver.php */ -/* Location: ./system/database/drivers/odbc/odbc_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/odbc/odbc_driver.php */ |