diff options
Diffstat (limited to 'system/database/drivers/sqlsrv/sqlsrv_driver.php')
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_driver.php | 109 |
1 files changed, 42 insertions, 67 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index ea9f9483b..95ab61b9f 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -42,30 +42,29 @@ */ class CI_DB_sqlsrv_driver extends CI_DB { - var $dbdriver = 'sqlsrv'; + public $dbdriver = 'sqlsrv'; // The character used for escaping - var $_escape_char = ''; + protected $_escape_char = ''; // clause and character used for LIKE escape sequences - var $_like_escape_str = " ESCAPE '%s' "; - var $_like_escape_chr = '!'; + protected $_like_escape_str = " ESCAPE '%s' "; + protected $_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. + * used for the count_all() and count_all_results() public functions. */ - var $_count_string = "SELECT COUNT(*) AS "; - var $_random_keyword = ' ASC'; // not currently supported + protected $_count_string = "SELECT COUNT(*) AS "; + protected $_random_keyword = ' ASC'; // not currently supported /** * Non-persistent database connection * - * @access private called by the base class * @return resource */ - function db_connect($pooling = false) + protected function db_connect($pooling = false) { // Check for a UTF-8 charset being passed as CI's default 'utf8'. $character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set; @@ -93,10 +92,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Persistent database connection * - * @access private called by the base class * @return resource */ - function db_pconnect() + protected function db_pconnect() { return $this->db_connect(TRUE); } @@ -109,10 +107,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * - * @access public * @return void */ - function reconnect() + public function reconnect() { // not implemented in MSSQL } @@ -146,11 +143,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Execute the query * - * @access private called by the base class * @param string an SQL query * @return resource */ - function _execute($sql) + protected function _execute($sql) { return sqlsrv_query($this->conn_id, $sql, null, array( 'Scrollable' => SQLSRV_CURSOR_STATIC, @@ -163,10 +159,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { if ( ! $this->trans_enabled) { @@ -192,10 +187,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Commit Transaction * - * @access public * @return bool */ - function trans_commit() + public function trans_commit() { if ( ! $this->trans_enabled) { @@ -216,10 +210,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Rollback Transaction * - * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { if ( ! $this->trans_enabled) { @@ -240,12 +233,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Escape String * - * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - function escape_str($str, $like = FALSE) + public function escape_str($str, $like = FALSE) { // Escape single quotes return str_replace("'", "''", $str); @@ -256,10 +248,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Affected Rows * - * @access public * @return integer */ - function affected_rows() + public function affected_rows() { return @sqlrv_rows_affected($this->conn_id); } @@ -271,10 +262,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Returns the last id created in the Identity column. * - * @access public * @return integer */ - function insert_id() + public function insert_id() { return $this->query('select @@IDENTITY as insert_id')->row('insert_id'); } @@ -287,11 +277,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * 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) + protected function _parse_major_version($version) { preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info); return $ver_info[1]; // return the major version b/c that's all we're interested in. @@ -327,11 +316,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * - * @access public * @param string * @return string */ - function count_all($table = '') + public function count_all($table = '') { if ($table == '') return '0'; @@ -353,11 +341,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * - * @access private * @param boolean * @return string */ - function _list_tables($prefix_limit = FALSE) + protected function _list_tables($prefix_limit = FALSE) { return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; } @@ -369,11 +356,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * - * @access private * @param string the table name * @return string */ - function _list_columns($table = '') + protected function _list_columns($table = '') { return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'"; } @@ -385,11 +371,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * 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($table) + public function _field_data($table) { return "SELECT TOP 1 * FROM " . $this->_escape_table($table); } @@ -437,46 +422,44 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Escape Table Name * - * This function adds backticks if the table name has a period + * This public function adds backticks if the table name has a period * in it. Some DBs will get cranky unless periods are escaped * - * @access private * @param string the table name * @return string */ - function _escape_table($table) + protected function _escape_table($table) { return $table; - } - + } + + // -------------------------------------------------------------------------- /** * Escape the SQL Identifiers * - * This function escapes column and table names + * This public function escapes column and table names * - * @access private * @param string * @return string */ - function _escape_identifiers($item) + protected function _escape_identifiers($item) { return $item; } - // -------------------------------------------------------------------- + // -------------------------------------------------------------------------- /** * From Tables * - * This function implicitly groups FROM tables so there is no confusion + * This public function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * - * @access public - * @param type - * @return type + * @param string the table name + * @return string */ - function _from_tables($tables) + public function _from_tables($tables) { if ( ! is_array($tables)) { @@ -493,13 +476,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _insert($table, $keys, $values) + public function _insert($table, $keys, $values) { return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } @@ -511,7 +493,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * - * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -519,7 +500,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { * @param array the limit clause * @return string */ - function _update($table, $values, $where) + public function _update($table, $values, $where) { foreach($values as $key => $val) { @@ -536,13 +517,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific truncate string from the supplied data * If the database does not support the truncate() command - * This function maps to "DELETE FROM table" + * This public function maps to "DELETE FROM table" * - * @access public * @param string the table name * @return string */ - function _truncate($table) + public function _truncate($table) { return "TRUNCATE ".$table; } @@ -554,13 +534,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * - * @access public * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - function _delete($table, $where) + public function _delete($table, $where) { return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where); } @@ -572,13 +551,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * - * @access public * @param string the sql query string * @param integer the number of rows to limit the query to * @param integer the offset value * @return string */ - function _limit($sql, $limit, $offset) + public function _limit($sql, $limit, $offset) { $i = $limit + $offset; @@ -590,18 +568,15 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Close DB Connection * - * @access public * @param resource * @return void */ - function _close($conn_id) + public function _close($conn_id) { @sqlsrv_close($conn_id); } } - - /* End of file mssql_driver.php */ -/* Location: ./system/database/drivers/mssql/mssql_driver.php */ +/* Location: ./system/database/drivers/mssql/mssql_driver.php */
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