diff options
Diffstat (limited to 'system/database/drivers/sqlite/sqlite_driver.php')
| -rw-r--r-- | system/database/drivers/sqlite/sqlite_driver.php | 94 |
1 files changed, 60 insertions, 34 deletions
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 6535d2753..1870e73b7 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -42,29 +42,30 @@ */ class CI_DB_sqlite_driver extends CI_DB { - public $dbdriver = 'sqlite'; + var $dbdriver = 'sqlite'; // The character used to escape with - not needed for SQLite - protected $_escape_char = ''; + var $_escape_char = ''; // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; + 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 - * used for the count_all() and count_all_results() public functions. + * used for the count_all() and count_all_results() functions. */ - protected $_count_string = "SELECT COUNT(*) AS "; - protected $_random_keyword = ' Random()'; // database specific random keyword + var $_count_string = "SELECT COUNT(*) AS "; + var $_random_keyword = ' Random()'; // database specific random keyword /** * Non-persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_connect() + function db_connect() { if ( ! $conn_id = @sqlite_open($this->database, FILE_WRITE_MODE, $error)) { @@ -86,9 +87,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_pconnect() + function db_pconnect() { if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error)) { @@ -113,9 +115,10 @@ class CI_DB_sqlite_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * + * @access public * @return void */ - public function reconnect() + function reconnect() { // not implemented in SQLite } @@ -125,9 +128,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Select the database * + * @access private called by the base class * @return resource */ - protected function db_select() + function db_select() { return TRUE; } @@ -151,10 +155,11 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Execute the query * + * @access private called by the base class * @param string an SQL query * @return resource */ - protected function _execute($sql) + function _execute($sql) { return @sqlite_query($this->conn_id, $sql); } @@ -164,9 +169,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Begin Transaction * + * @access public * @return bool */ - public function trans_begin($test_mode = FALSE) + function trans_begin($test_mode = FALSE) { if ( ! $this->trans_enabled) { @@ -193,9 +199,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Commit Transaction * + * @access public * @return bool */ - public function trans_commit() + function trans_commit() { if ( ! $this->trans_enabled) { @@ -217,9 +224,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Rollback Transaction * + * @access public * @return bool */ - public function trans_rollback() + function trans_rollback() { if ( ! $this->trans_enabled) { @@ -241,11 +249,12 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Escape String * + * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - public function escape_str($str, $like = FALSE) + function escape_str($str, $like = FALSE) { if (is_array($str)) { @@ -275,9 +284,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Affected Rows * + * @access public * @return integer */ - public function affected_rows() + function affected_rows() { return sqlite_changes($this->conn_id); } @@ -287,9 +297,10 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Insert ID * + * @access public * @return integer */ - public function insert_id() + function insert_id() { return @sqlite_last_insert_rowid($this->conn_id); } @@ -302,10 +313,11 @@ class CI_DB_sqlite_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * + * @access public * @param string * @return string */ - public function count_all($table = '') + function count_all($table = '') { if ($table == '') { @@ -330,10 +342,11 @@ class CI_DB_sqlite_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * + * @access private * @param boolean * @return string */ - protected function _list_tables($prefix_limit = FALSE) + function _list_tables($prefix_limit = FALSE) { $sql = "SELECT name from sqlite_master WHERE type='table'"; @@ -351,10 +364,11 @@ class CI_DB_sqlite_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * + * @access public * @param string the table name * @return string */ - public function _list_columns($table = '') + function _list_columns($table = '') { // Not supported return FALSE; @@ -367,10 +381,11 @@ class CI_DB_sqlite_driver extends CI_DB { * * Generates a platform-specific query so that the column data can be retrieved * + * @access public * @param string the table name * @return object */ - public function _field_data($table) + function _field_data($table) { return "SELECT * FROM ".$table." LIMIT 1"; } @@ -397,12 +412,13 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Escape the SQL Identifiers * - * This public function escapes column and table names + * This function escapes column and table names * + * @access private * @param string * @return string */ - protected function _escape_identifiers($item) + function _escape_identifiers($item) { if ($this->_escape_char == '') { @@ -438,13 +454,14 @@ class CI_DB_sqlite_driver extends CI_DB { /** * From Tables * - * This public function implicitly groups FROM tables so there is no confusion + * This function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * + * @access public * @param type * @return type */ - public function _from_tables($tables) + function _from_tables($tables) { if ( ! is_array($tables)) { @@ -461,12 +478,13 @@ class CI_DB_sqlite_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 */ - public function _insert($table, $keys, $values) + function _insert($table, $keys, $values) { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } @@ -478,6 +496,7 @@ class CI_DB_sqlite_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * + * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -485,7 +504,7 @@ class CI_DB_sqlite_driver extends CI_DB { * @param array the limit clause * @return string */ - public function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) { foreach ($values as $key => $val) { @@ -513,12 +532,13 @@ class CI_DB_sqlite_driver extends CI_DB { * * Generates a platform-specific truncate string from the supplied data * If the database does not support the truncate() command - * This public function maps to "DELETE FROM table" + * This function maps to "DELETE FROM table" * + * @access public * @param string the table name * @return string */ - public function _truncate($table) + function _truncate($table) { return $this->_delete($table); } @@ -530,12 +550,13 @@ class CI_DB_sqlite_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 */ - public function _delete($table, $where = array(), $like = array(), $limit = FALSE) + function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; @@ -563,12 +584,13 @@ class CI_DB_sqlite_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * + * @access public * @param string the sql query string * @param integer the number of rows to limit the query to * @param integer the offset value * @return string */ - public function _limit($sql, $limit, $offset) + function _limit($sql, $limit, $offset) { if ($offset == 0) { @@ -587,14 +609,18 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Close DB Connection * + * @access public * @param resource * @return void */ - public function _close($conn_id) + function _close($conn_id) { @sqlite_close($conn_id); } + + } + /* End of file sqlite_driver.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ |