diff options
Diffstat (limited to 'system/database/drivers/postgre/postgre_driver.php')
-rw-r--r-- | system/database/drivers/postgre/postgre_driver.php | 83 |
1 files changed, 54 insertions, 29 deletions
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 6ef83726a..fad9539ff 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -42,28 +42,29 @@ */ class CI_DB_postgre_driver extends CI_DB { - public $dbdriver = 'postgre'; + var $dbdriver = 'postgre'; - 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() 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 /** * Connection String * + * @access private * @return string */ - protected function _connect_string() + function _connect_string() { $components = array( 'hostname' => 'host', @@ -89,9 +90,10 @@ class CI_DB_postgre_driver extends CI_DB { /** * Non-persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_connect() + function db_connect() { return @pg_connect($this->_connect_string()); } @@ -101,9 +103,10 @@ class CI_DB_postgre_driver extends CI_DB { /** * Persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_pconnect() + function db_pconnect() { return @pg_pconnect($this->_connect_string()); } @@ -116,9 +119,10 @@ class CI_DB_postgre_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * + * @access public * @return void */ - public function reconnect() + function reconnect() { if (pg_ping($this->conn_id) === FALSE) { @@ -131,9 +135,10 @@ class CI_DB_postgre_driver extends CI_DB { /** * Select the database * + * @access private called by the base class * @return resource */ - protected function db_select() + function db_select() { // Not needed for Postgre so we'll return TRUE return TRUE; @@ -186,10 +191,11 @@ class CI_DB_postgre_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 @pg_query($this->conn_id, $sql); } @@ -258,11 +264,12 @@ class CI_DB_postgre_driver extends CI_DB { /** * Escape String * + * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - public function escape_str($str, $like = FALSE) + function escape_str($str, $like = FALSE) { if (is_array($str)) { @@ -292,9 +299,10 @@ class CI_DB_postgre_driver extends CI_DB { /** * Affected Rows * + * @access public * @return integer */ - public function affected_rows() + function affected_rows() { return @pg_affected_rows($this->result_id); } @@ -304,9 +312,10 @@ class CI_DB_postgre_driver extends CI_DB { /** * Insert ID * + * @access public * @return integer */ - public function insert_id() + function insert_id() { $v = $this->version(); @@ -346,10 +355,11 @@ class CI_DB_postgre_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * + * @access public * @param string * @return string */ - public function count_all($table = '') + function count_all($table = '') { if ($table == '') { @@ -374,10 +384,11 @@ class CI_DB_postgre_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) { $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; @@ -396,10 +407,11 @@ class CI_DB_postgre_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * + * @access public * @param string the table name * @return string */ - public function _list_columns($table = '') + function _list_columns($table = '') { return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'"; } @@ -411,10 +423,11 @@ class CI_DB_postgre_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 ".$table." LIMIT 1"; } @@ -441,10 +454,11 @@ class CI_DB_postgre_driver extends CI_DB { * * This function escapes column and table names * + * @access private * @param string * @return string */ - protected function _escape_identifiers($item) + function _escape_identifiers($item) { if ($this->_escape_char == '') { @@ -483,10 +497,11 @@ class CI_DB_postgre_driver extends CI_DB { * 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($tables)) { @@ -503,12 +518,13 @@ class CI_DB_postgre_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * + * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - public function _insert($table, $keys, $values) + function _insert($table, $keys, $values) { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } @@ -520,12 +536,13 @@ class CI_DB_postgre_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * + * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - public function _insert_batch($table, $keys, $values) + function _insert_batch($table, $keys, $values) { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); } @@ -537,6 +554,7 @@ class CI_DB_postgre_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * + * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -544,7 +562,7 @@ class CI_DB_postgre_driver extends CI_DB { * @param array the limit clause * @return string */ - public function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) { foreach ($values as $key => $val) { @@ -567,10 +585,11 @@ class CI_DB_postgre_driver extends CI_DB { * If the database does not support the truncate() command * This function maps to "DELETE FROM table" * + * @access public * @param string the table name * @return string */ - public function _truncate($table) + function _truncate($table) { return "TRUNCATE ".$table; } @@ -582,12 +601,13 @@ class CI_DB_postgre_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) { $conditions = ''; @@ -612,12 +632,13 @@ class CI_DB_postgre_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * + * @access public * @param string the sql query string * @param integer the number of rows to limit the query to * @param integer the offset value * @return string */ - public function _limit($sql, $limit, $offset) + function _limit($sql, $limit, $offset) { $sql .= "LIMIT ".$limit; @@ -634,14 +655,18 @@ class CI_DB_postgre_driver extends CI_DB { /** * Close DB Connection * + * @access public * @param resource * @return void */ - public function _close($conn_id) + function _close($conn_id) { @pg_close($conn_id); } + + } + /* End of file postgre_driver.php */ -/* Location: ./system/database/drivers/postgre/postgre_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/postgre/postgre_driver.php */ |