diff options
Diffstat (limited to 'system/database/drivers/mssql/mssql_driver.php')
| -rw-r--r-- | system/database/drivers/mssql/mssql_driver.php | 109 |
1 files changed, 55 insertions, 54 deletions
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index 4f668f282..cd808da46 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -251,10 +251,10 @@ class CI_DB_mssql_driver extends CI_DB { /** * The error message string * - * @access public + * @access private * @return string */ - function error_message() + function _error_message() { // Are errros even supported in MS SQL? return ''; @@ -265,10 +265,10 @@ class CI_DB_mssql_driver extends CI_DB { /** * The error message number * - * @access public + * @access private * @return integer */ - function error_number() + function _error_number() { // Are error numbers supported? return ''; @@ -282,11 +282,11 @@ class CI_DB_mssql_driver extends CI_DB { * This function adds backticks if the table name has a period * in it. Some DBs will get cranky unless periods are escaped * - * @access public + * @access private * @param string the table name * @return string */ - function escape_table($table) + function _escape_table($table) { if (stristr($table, '.')) { @@ -294,25 +294,7 @@ class CI_DB_mssql_driver extends CI_DB { } return $table; - } - - // -------------------------------------------------------------------- - - /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public - * @param string the table name - * @return object - */ - function _field_data($table) - { - $sql = "SELECT TOP 1 FROM ".$this->escape_table($table); - $query = $this->query($sql); - return $query->field_data(); - } + } // -------------------------------------------------------------------- @@ -329,7 +311,7 @@ class CI_DB_mssql_driver extends CI_DB { */ function _insert($table, $keys, $values) { - return "INSERT INTO ".$this->escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } // -------------------------------------------------------------------- @@ -352,7 +334,7 @@ class CI_DB_mssql_driver extends CI_DB { $valstr[] = $key." = ".$val; } - return "UPDATE ".$this->escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where); + return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where); } // -------------------------------------------------------------------- @@ -369,9 +351,43 @@ class CI_DB_mssql_driver extends CI_DB { */ function _delete($table, $where) { - return "DELETE FROM ".$this->escape_table($table)." WHERE ".implode(" ", $where); + return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where); } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + $i = $limit + $offset; + return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql); + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + mssql_close($conn_id); + } + // -------------------------------------------------------------------- /** @@ -413,43 +429,28 @@ class CI_DB_mssql_driver extends CI_DB { */ function _show_columns($table = '') { - return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->escape_table($table)."'"; - } - - // -------------------------------------------------------------------- - - /** - * Limit string - * - * Generates a platform-specific LIMIT clause - * - * @access public - * @param string the sql query string - * @param integer the number of rows to limit the query to - * @param integer the offset value - * @return string - */ - function _limit($sql, $limit, $offset) - { - $i = $limit + $offset; - - return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql); + return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'"; } // -------------------------------------------------------------------- /** - * Close DB Connection + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved * * @access public - * @param resource - * @return void + * @param string the table name + * @return object */ - function _close($conn_id) + function _field_data($table) { - mssql_close($conn_id); + $sql = "SELECT TOP 1 FROM ".$this->_escape_table($table); + $query = $this->query($sql); + return $query->field_data(); } + } |