diff options
Diffstat (limited to 'system/database')
19 files changed, 436 insertions, 465 deletions
diff --git a/system/database/DB.php b/system/database/DB.php index 116116bf4..0d81e40d3 100755 --- a/system/database/DB.php +++ b/system/database/DB.php @@ -37,11 +37,11 @@ function &DB($params = '', $active_record_override = NULL) { // Load the DB config file if a DSN string wasn't passed - if (is_string($params) AND strpos($params, '://') === FALSE) + if (is_string($params) && strpos($params, '://') === FALSE) { // Is the config file in the environment folder? if (( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php')) - AND ! file_exists($file_path = APPPATH.'config/database.php')) + && ! file_exists($file_path = APPPATH.'config/database.php')) { show_error('The configuration file database.php does not exist.'); } @@ -74,34 +74,30 @@ function &DB($params = '', $active_record_override = NULL) * parameter. DSNs must have this prototype: * $dsn = 'driver://username:password@hostname/database'; */ - if (($dns = @parse_url($params)) === FALSE) + if (($dsn = @parse_url($params)) === FALSE) { show_error('Invalid DB Connection String'); } $params = array( - 'dbdriver' => $dns['scheme'], - 'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '', - 'port' => (isset($dns['port'])) ? rawurldecode($dns['port']) : '', - 'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '', - 'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '', - 'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : '' + 'dbdriver' => $dsn['scheme'], + 'hostname' => isset($dsn['host']) ? rawurldecode($dsn['host']) : '', + 'port' => isset($dsn['port']) ? rawurldecode($dsn['port']) : '', + 'username' => isset($dsn['user']) ? rawurldecode($dsn['user']) : '', + 'password' => isset($dsn['pass']) ? rawurldecode($dsn['pass']) : '', + 'database' => isset($dsn['path']) ? rawurldecode(substr($dsn['path'], 1)) : '' ); // were additional config items set? - if (isset($dns['query'])) + if (isset($dsn['query'])) { - parse_str($dns['query'], $extra); + parse_str($dsn['query'], $extra); + foreach ($extra as $key => $val) { - // booleans please - if (strtoupper($val) === 'TRUE') - { - $val = TRUE; - } - elseif (strtoupper($val) === 'FALSE') + if (is_string($val) && in_array(strtoupper($val), array('TRUE', 'FALSE', 'NULL'))) { - $val = FALSE; + $val = var_export($val); } $params[$key] = $val; @@ -138,7 +134,12 @@ function &DB($params = '', $active_record_override = NULL) class CI_DB extends CI_DB_driver { } } - require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php'); + // Load the DB driver + $driver_file = BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php'; + + if ( ! file_exists($driver_file)) show_error('Invalid DB driver'); + + require_once($driver_file); // Instantiate the DB adapter $driver = 'CI_DB_'.$params['dbdriver'].'_driver'; @@ -158,4 +159,4 @@ function &DB($params = '', $active_record_override = NULL) } /* End of file DB.php */ -/* Location: ./system/database/DB.php */ +/* Location: ./system/database/DB.php */
\ No newline at end of file diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php index fe591dda1..b324226ab 100644 --- a/system/database/DB_active_rec.php +++ b/system/database/DB_active_rec.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Active Record Class * @@ -422,7 +420,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { foreach ($key as $k => $v) { - $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type; + $prefix = (count($this->ar_where) === 0 && count($this->ar_cache_where) === 0) ? '' : $type; if (is_null($v) && ! $this->_has_operator($k)) { @@ -537,7 +535,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * @param string The field to search * @param array The values searched on - * @param boolean If the statement would be IN or NOT IN + * @param bool If the statement would be IN or NOT IN * @param string * @return object */ @@ -719,7 +717,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { { $type = $this->_group_get_type($type); $this->ar_where_group_started = TRUE; - $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type; + $prefix = (count($this->ar_where) === 0 && count($this->ar_cache_where) === 0) ? '' : $type; $this->ar_where[] = $value = $prefix.$not.str_repeat(' ', ++$this->ar_where_group_count).' ('; if ($this->ar_caching) @@ -984,8 +982,8 @@ abstract class CI_DB_active_record extends CI_DB_driver { /** * Sets the LIMIT value * - * @param integer the limit value - * @param integer the offset value + * @param int the limit value + * @param int the offset value * @return object */ public function limit($value, $offset = NULL) @@ -1005,7 +1003,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { /** * Sets the OFFSET value * - * @param integer the offset value + * @param int the offset value * @return object */ public function offset($offset) @@ -1021,7 +1019,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * @param mixed * @param string - * @param boolean + * @param bool * @return object */ public function set($key, $value = '', $escape = TRUE) @@ -1055,9 +1053,8 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * Compiles a SELECT query string and returns the sql. * - * @access public * @param string the table name to select from (optional) - * @param boolean TRUE: resets AR values; FALSE: leave AR vaules alone + * @param bool TRUE: resets AR values; FALSE: leave AR vaules alone * @return string */ public function get_compiled_select($table = '', $reset = TRUE) @@ -1226,7 +1223,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * @param mixed * @param string - * @param boolean + * @param bool * @return object */ public function set_insert_batch($key, $value = '', $escape = TRUE) @@ -1283,9 +1280,8 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * Compiles an insert query and returns the sql * - * @access public * @param string the table to insert into - * @param boolean TRUE: reset AR values; FALSE: leave AR values alone + * @param bool TRUE: reset AR values; FALSE: leave AR values alone * @return string */ public function get_compiled_insert($table = '', $reset = TRUE) @@ -1316,7 +1312,6 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * Compiles an insert string and runs the query * - * @access public * @param string the table to insert data into * @param array an associative array of insert values * @return object @@ -1352,7 +1347,6 @@ abstract class CI_DB_active_record extends CI_DB_driver { * validate that the there data is actually being set and that table * has been chosen to be inserted into. * - * @access public * @param string the table to insert data into * @return string */ @@ -1423,9 +1417,8 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * Compiles an update query and returns the sql * - * @access public * @param string the table to update - * @param boolean TRUE: reset AR values; FALSE: leave AR values alone + * @param bool TRUE: reset AR values; FALSE: leave AR values alone * @return string */ public function get_compiled_update($table = '', $reset = TRUE) @@ -1499,7 +1492,6 @@ abstract class CI_DB_active_record extends CI_DB_driver { * validate that data is actually being set and that a table has been * chosen to be update. * - * @access public * @param string the table to update data on * @return bool */ @@ -1584,7 +1576,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * @param array * @param string - * @param boolean + * @param bool * @return object */ public function set_update_batch($key, $index = '', $escape = TRUE) @@ -1696,9 +1688,8 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * Compiles a delete query string and returns the sql * - * @access public * @param string the table to delete from - * @param boolean TRUE: reset AR values; FALSE: leave AR values alone + * @param bool TRUE: reset AR values; FALSE: leave AR values alone * @return string */ public function get_compiled_delete($table = '', $reset = TRUE) @@ -1719,7 +1710,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * @param mixed the table(s) to delete from. String or array * @param mixed the where clause * @param mixed the limit clause - * @param boolean + * @param bool * @return object */ public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE) @@ -2062,7 +2053,6 @@ abstract class CI_DB_active_record extends CI_DB_driver { * * Empties the AR cache * - * @access public * @return void */ public function flush_cache() @@ -2114,7 +2104,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { // If we are "protecting identifiers" we need to examine the "from" // portion of the query to determine if there are any aliases - if ($this->_protect_identifiers === TRUE AND count($this->ar_cache_from) > 0) + if ($this->_protect_identifiers === TRUE && count($this->ar_cache_from) > 0) { $this->_track_aliases($this->ar_from); } diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 9f1a0b895..45f17e8ec 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -99,9 +99,13 @@ abstract class CI_DB_driver { */ public function initialize() { - // If an existing connection resource is available - // there is no need to connect and select the database - if (is_resource($this->conn_id) OR is_object($this->conn_id)) + /* If an established connection is available, then there's + * no need to connect and select the database. + * + * Depending on the database driver, conn_id can be either + * boolean TRUE, a resource or an object. + */ + if ($this->conn_id) { return TRUE; } @@ -188,10 +192,24 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** + * Select database + * + * This is just a dummy method to allow drivers without such + * functionality to not declare it, while others will override it. + * + * @return bool + */ + public function db_select() + { + return TRUE; + } + + // -------------------------------------------------------------------- + + /** * Set client character set * * @param string - * @param string * @return bool */ public function db_set_charset($charset) @@ -283,17 +301,13 @@ abstract class CI_DB_driver { { log_message('error', 'Invalid query: '.$sql); - if ($this->db_debug) - { - return $this->display_error('db_invalid_query'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_invalid_query') : FALSE; } // Verify table prefix and replace if necessary - if ( ($this->dbprefix != '' AND $this->swap_pre != '') AND ($this->dbprefix != $this->swap_pre) ) + if ($this->dbprefix != '' && $this->swap_pre != '' && $this->dbprefix != $this->swap_pre) { - $sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql); + $sql = preg_replace('/(\W)'.$this->swap_pre.'(\S+?)/', '\\1'.$this->dbprefix.'\\2', $sql); } // Compile binds if needed @@ -305,15 +319,12 @@ abstract class CI_DB_driver { // Is query caching enabled? If the query is a "read type" // we will load the caching class and return the previously // cached query if it exists - if ($this->cache_on == TRUE AND stristr($sql, 'SELECT')) + if ($this->cache_on == TRUE && stripos($sql, 'SELECT') !== FALSE && $this->_cache_init()) { - if ($this->_cache_init()) + $this->load_rdriver(); + if (FALSE !== ($cache = $this->CACHE->read($sql))) { - $this->load_rdriver(); - if (FALSE !== ($cache = $this->CACHE->read($sql))) - { - return $cache; - } + return $cache; } } @@ -352,13 +363,7 @@ abstract class CI_DB_driver { $this->trans_complete(); // Display errors - return $this->display_error( - array( - 'Error Number: '.$error['code'], - $error['message'], - $sql - ) - ); + return $this->display_error(array('Error Number: '.$error['code'], $error['message'], $sql)); } return FALSE; @@ -382,7 +387,7 @@ abstract class CI_DB_driver { { // If caching is enabled we'll auto-cleanup any // existing files related to this particular URI - if ($this->cache_on == TRUE AND $this->cache_autodel == TRUE AND $this->_cache_init()) + if ($this->cache_on == TRUE && $this->cache_autodel == TRUE && $this->_cache_init()) { $this->CACHE->delete(); } @@ -404,9 +409,9 @@ abstract class CI_DB_driver { $RES->num_rows = $RES->num_rows(); - // Is query caching enabled? If so, we'll serialize the + // Is query caching enabled? If so, we'll serialize the // result object and save it to a cache file. - if ($this->cache_on == TRUE AND $this->_cache_init()) + if ($this->cache_on == TRUE && $this->_cache_init()) { // We'll create a new instance of the result object // only without the platform specific driver since @@ -415,9 +420,9 @@ abstract class CI_DB_driver { // result object, so we'll have to compile the data // and save it) $CR = new CI_DB_result(); - $CR->num_rows = $RES->num_rows(); $CR->result_object = $RES->result_object(); $CR->result_array = $RES->result_array(); + $CR->num_rows = $RES->num_rows(); // Reset these since cached objects can not utilize resource IDs. $CR->conn_id = NULL; @@ -608,7 +613,8 @@ abstract class CI_DB_driver { // The count of bind should be 1 less then the count of segments // If there are more bind arguments trim it down - if (count($binds) >= count($segments)) { + if (count($binds) >= count($segments)) + { $binds = array_slice($binds, 0, count($segments)-1); } @@ -617,8 +623,7 @@ abstract class CI_DB_driver { $i = 0; foreach ($binds as $bind) { - $result .= $this->escape($bind); - $result .= $segments[++$i]; + $result .= $this->escape($bind).$segments[++$i]; } return $result; @@ -689,15 +694,15 @@ abstract class CI_DB_driver { { if (is_string($str) OR method_exists($str, '__toString')) { - $str = "'".$this->escape_str($str)."'"; + return "'".$this->escape_str($str)."'"; } elseif (is_bool($str)) { - $str = ($str === FALSE) ? 0 : 1; + return ($str === FALSE) ? 0 : 1; } elseif (is_null($str)) { - $str = 'NULL'; + return 'NULL'; } return $str; @@ -733,13 +738,7 @@ abstract class CI_DB_driver { public function primary($table = '') { $fields = $this->list_fields($table); - - if ( ! is_array($fields)) - { - return FALSE; - } - - return current($fields); + return is_array($fields) ? current($fields) : FALSE; } // -------------------------------------------------------------------- @@ -759,35 +758,40 @@ abstract class CI_DB_driver { if (FALSE === ($sql = $this->_list_tables($constrain_by_prefix))) { - if ($this->db_debug) - { - return $this->display_error('db_unsupported_function'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE; } - $retval = array(); + $this->data_cache['table_names'] = array(); $query = $this->query($sql); - if ($query->num_rows() > 0) + foreach ($query->result_array() as $row) { - $table = FALSE; - $rows = $query->result_array(); - $key = (($row = current($rows)) && in_array('table_name', array_map('strtolower', array_keys($row)))); - - if ($key) + // Do we know from which column to get the table name? + if ( ! isset($key)) { - $table = array_key_exists('TABLE_NAME', $row) ? 'TABLE_NAME' : 'table_name'; + if (isset($row['table_name'])) + { + $key = 'table_name'; + } + elseif (isset($row['TABLE_NAME'])) + { + $key = 'TABLE_NAME'; + } + else + { + /* We have no other choice but to just get the first element's key. + * Due to array_shift() accepting it's argument by reference, if + * E_STRICT is on, this would trigger a warning. So we'll have to + * assign it first. + */ + $key = array_keys($row); + $key = array_shift($key); + } } - foreach ($rows as $row) - { - $retval[] = ( ! $table) ? current($row) : $row[$table]; - } + $this->data_cache['table_names'][] = $row[$key]; } - $this->data_cache['table_names'] = $retval; - return $this->data_cache['table_names']; } @@ -821,38 +825,45 @@ abstract class CI_DB_driver { if ($table == '') { - if ($this->db_debug) - { - return $this->display_error('db_field_param_missing'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } if (FALSE === ($sql = $this->_list_columns($table))) { - if ($this->db_debug) - { - return $this->display_error('db_unsupported_function'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE; } $query = $this->query($sql); + $this->data_cache['field_names'][$table] = array(); - $retval = array(); foreach ($query->result_array() as $row) { - if (isset($row['COLUMN_NAME'])) + // Do we know from where to get the column's name? + if ( ! isset($key)) { - $retval[] = $row['COLUMN_NAME']; - } - else - { - $retval[] = current($row); + if (isset($row['column_name'])) + { + $key = 'column_name'; + } + elseif (isset($row['COLUMN_NAME'])) + { + $key = 'COLUMN_NAME'; + } + else + { + /* We have no other choice but to just get the first element's key. + * Due to array_shift() accepting it's argument by reference, if + * E_STRICT is on, this would trigger a warning. So we'll have to + * assign it first. + */ + $key = array_keys($row); + $key = array_shift($key); + } } + + $this->data_cache['field_names'][$table][] = $row[$key]; } - $this->data_cache['field_names'][$table] = $retval; return $this->data_cache['field_names'][$table]; } @@ -867,7 +878,7 @@ abstract class CI_DB_driver { */ public function field_exists($field_name, $table_name) { - return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE; + return in_array($field_name, $this->list_fields($table_name)); } // -------------------------------------------------------------------- @@ -882,15 +893,10 @@ abstract class CI_DB_driver { { if ($table == '') { - if ($this->db_debug) - { - return $this->display_error('db_field_param_missing'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } $query = $this->query($this->_field_data($this->protect_identifiers($table, TRUE, NULL, FALSE))); - return $query->field_data(); } @@ -905,8 +911,7 @@ abstract class CI_DB_driver { */ public function insert_string($table, $data) { - $fields = array(); - $values = array(); + $fields = $values = array(); foreach ($data as $key => $val) { @@ -979,13 +984,7 @@ abstract class CI_DB_driver { */ protected function _has_operator($str) { - $str = trim($str); - if ( ! preg_match("/(\s|<|>|!|=|is null|is not null)/i", $str)) - { - return FALSE; - } - - return TRUE; + return (bool) preg_match('/(\s|<|>|!|=|IS NULL|IS NOT NULL)/i', trim($str)); } // -------------------------------------------------------------------- @@ -1008,25 +1007,12 @@ abstract class CI_DB_driver { if ( ! function_exists($function)) { - if ($this->db_debug) - { - return $this->display_error('db_unsupported_function'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE; } - else - { - $args = (func_num_args() > 1) ? array_splice(func_get_args(), 1) : null; - if (is_null($args)) - { - return call_user_func($function); - } - else - { - return call_user_func_array($function, $args); - } - } + return (func_num_args() > 1) + ? call_user_func_array($function, array_splice(func_get_args(), 1)) + : call_user_func($function); } // -------------------------------------------------------------------- @@ -1051,8 +1037,7 @@ abstract class CI_DB_driver { */ public function cache_on() { - $this->cache_on = TRUE; - return TRUE; + return $this->cache_on = TRUE; } // -------------------------------------------------------------------- @@ -1064,8 +1049,7 @@ abstract class CI_DB_driver { */ public function cache_off() { - $this->cache_on = FALSE; - return FALSE; + return $this->cache_on = FALSE; } @@ -1078,11 +1062,9 @@ abstract class CI_DB_driver { */ public function cache_delete($segment_one = '', $segment_two = '') { - if ( ! $this->_cache_init()) - { - return FALSE; - } - return $this->CACHE->delete($segment_one, $segment_two); + return ($this->_cache_init()) + ? $this->CACHE->delete($segment_one, $segment_two) + : FALSE; } // -------------------------------------------------------------------- @@ -1094,12 +1076,9 @@ abstract class CI_DB_driver { */ public function cache_delete_all() { - if ( ! $this->_cache_init()) - { - return FALSE; - } - - return $this->CACHE->delete_all(); + return ($this->_cache_init()) + ? $this->CACHE->delete_all() + : FALSE; } // -------------------------------------------------------------------- @@ -1111,18 +1090,17 @@ abstract class CI_DB_driver { */ protected function _cache_init() { - if (is_object($this->CACHE) AND class_exists('CI_DB_Cache')) - { - return TRUE; - } - - if ( ! class_exists('CI_DB_Cache')) + if (class_exists('CI_DB_Cache')) { - if ( ! @include(BASEPATH.'database/DB_cache.php')) + if (is_object($this->CACHE)) { - return $this->cache_off(); + return TRUE; } } + elseif ( ! @include_once(BASEPATH.'database/DB_cache.php')) + { + return $this->cache_off(); + } $this->CACHE = new CI_DB_Cache($this); // pass db object to support multiple db connections and returned db objects return TRUE; @@ -1137,11 +1115,11 @@ abstract class CI_DB_driver { */ public function close() { - if (is_resource($this->conn_id) OR is_object($this->conn_id)) + if ($this->conn_id) { $this->_close($this->conn_id); + $this->conn_id = FALSE; } - $this->conn_id = FALSE; } // -------------------------------------------------------------------- @@ -1173,9 +1151,7 @@ abstract class CI_DB_driver { // Find the most likely culprit of the error by going through // the backtrace until the source file is no longer in the // database folder. - $trace = debug_backtrace(); - foreach ($trace as $call) { if (isset($call['file']) && strpos($call['file'], BASEPATH.'database') === FALSE) @@ -1183,7 +1159,6 @@ abstract class CI_DB_driver { // Found it - use a relative path for safety $message[] = 'Filename: '.str_replace(array(BASEPATH, APPPATH), '', $call['file']); $message[] = 'Line Number: '.$call['line']; - break; } } @@ -1201,7 +1176,7 @@ abstract class CI_DB_driver { * This function is used extensively by the Active Record class, and by * a couple functions in this class. * It takes a column or table name (optionally with an alias) and inserts - * the table prefix onto it. Some logic is necessary in order to deal with + * the table prefix onto it. Some logic is necessary in order to deal with * column names that include the path. Consider a query like this: * * SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table @@ -1244,12 +1219,15 @@ abstract class CI_DB_driver { // If the item has an alias declaration we remove it and set it aside. // Basically we remove everything to the right of the first space - $alias = ''; if (strpos($item, ' ') !== FALSE) { - $alias = strstr($item, " "); + $alias = strstr($item, ' '); $item = substr($item, 0, - strlen($alias)); } + else + { + $alias = ''; + } // This is basically a bug fix for queries that use MAX, MIN, etc. // If a parenthesis is found we know that we do not need to @@ -1284,6 +1262,7 @@ abstract class CI_DB_driver { $item = implode('.', $parts); } + return $item.$alias; } @@ -1318,13 +1297,12 @@ abstract class CI_DB_driver { } // Verify table prefix and replace if necessary - if ($this->swap_pre != '' && strncmp($parts[$i], $this->swap_pre, strlen($this->swap_pre)) === 0) + if ($this->swap_pre != '' && strpos($parts[$i], $this->swap_pre) === 0) { - $parts[$i] = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $parts[$i]); + $parts[$i] = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $parts[$i]); } - // We only add the table prefix if it does not already exist - if (substr($parts[$i], 0, strlen($this->dbprefix)) != $this->dbprefix) + elseif (strpos($parts[$i], $this->dbprefix) !== 0) { $parts[$i] = $this->dbprefix.$parts[$i]; } @@ -1345,19 +1323,18 @@ abstract class CI_DB_driver { if ($this->dbprefix != '') { // Verify table prefix and replace if necessary - if ($this->swap_pre != '' && strncmp($item, $this->swap_pre, strlen($this->swap_pre)) === 0) + if ($this->swap_pre != '' && strpos($item, $this->swap_pre) === 0) { - $item = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $item); + $item = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $item); } - // Do we prefix an item with no segments? - if ($prefix_single == TRUE AND substr($item, 0, strlen($this->dbprefix)) != $this->dbprefix) + elseif ($prefix_single == TRUE && strpos($item, $this->dbprefix) !== 0) { $item = $this->dbprefix.$item; } } - if ($protect_identifiers === TRUE AND ! in_array($item, $this->_reserved_identifiers)) + if ($protect_identifiers === TRUE && ! in_array($item, $this->_reserved_identifiers)) { $item = $this->_escape_identifiers($item); } @@ -1374,7 +1351,9 @@ abstract class CI_DB_driver { * * @return void */ - abstract protected function _reset_select(); + protected function _reset_select() + { + } } diff --git a/system/database/DB_result.php b/system/database/DB_result.php index 04f964fb1..bb09c014c 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -57,7 +57,7 @@ class CI_DB_result { * Query result. Acts as a wrapper function for the following functions. * * @param string can be "object" or "array" - * @return mixed either a result object or array + * @return object */ public function result($type = 'object') { @@ -108,9 +108,9 @@ class CI_DB_result { // -------------------------------------------------------------------- /** - * Query result. "object" version. + * Query result. "object" version. * - * @return object + * @return array */ public function result_object() { @@ -224,7 +224,7 @@ class CI_DB_result { return; } - if ($key != '' AND ! is_null($value)) + if ($key != '' && ! is_null($value)) { $this->row_data[$key] = $value; } @@ -245,7 +245,7 @@ class CI_DB_result { return $result; } - if ($n != $this->current_row AND isset($result[$n])) + if ($n != $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -266,7 +266,7 @@ class CI_DB_result { return $result; } - if ($n != $this->current_row AND isset($result[$n])) + if ($n != $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -289,7 +289,7 @@ class CI_DB_result { return $result; } - if ($n != $this->current_row AND isset($result[$n])) + if ($n != $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -297,7 +297,6 @@ class CI_DB_result { return $result[$this->current_row]; } - // -------------------------------------------------------------------- /** @@ -374,9 +373,9 @@ class CI_DB_result { /** * The following functions are normally overloaded by the identically named * methods in the platform-specific driver -- except when query caching - * is used. When caching is enabled we do not load the other driver. + * is used. When caching is enabled we do not load the other driver. * These functions are primarily here to prevent undefined function errors - * when a cached result object is in use. They are not otherwise fully + * when a cached result object is in use. They are not otherwise fully * operational due to the unavailability of the database resource IDs with * cached results. */ @@ -384,7 +383,7 @@ class CI_DB_result { public function num_fields() { return 0; } public function list_fields() { return array(); } public function field_data() { return array(); } - public function free_result() { return TRUE; } + public function free_result() { $this->result_id = FALSE; } protected function _data_seek() { return TRUE; } protected function _fetch_assoc() { return array(); } protected function _fetch_object() { return array(); } diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index f39c2ad76..0f9c427e6 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -57,38 +57,35 @@ class CI_DB_cubrid_driver extends CI_DB { protected $_count_string = 'SELECT COUNT(*) AS '; protected $_random_keyword = ' RAND()'; // database specific random keyword - /** - * Non-persistent database connection - * - * @return resource - */ - public function db_connect() - { - // If no port is defined by the user, use the default value - if ($this->port == '') - { - // Default CUBRID Broker port - $this->port = 33000; - } + // CUBRID-specific properties + public $auto_commit = TRUE; - $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password); + public function __construct($params) + { + parent::__construct($params); - if ($conn) + if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:[^:]*:[^:]*:(\?.+)?$/', $this->dsn, $matches)) { - // Check if a user wants to run queries in dry, i.e. run the - // queries but not commit them. - if (isset($this->auto_commit) && ! $this->auto_commit) - { - cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE); - } - else + if (stripos($matches[2], 'autocommit=off') !== FALSE) { - cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE); - $this->auto_commit = TRUE; + $this->auto_commit = FALSE; } } + else + { + // If no port is defined by the user, use the default value + $this->port == '' OR $this->port = 33000; + } + } - return $conn; + /** + * Non-persistent database connection + * + * @return resource + */ + public function db_connect() + { + return $this->_cubrid_connect(); } // -------------------------------------------------------------------- @@ -100,49 +97,63 @@ class CI_DB_cubrid_driver extends CI_DB { * engine which can be configured in the CUBRID Broker configuration * file by setting the CCI_PCONNECT parameter to ON. In that case, all * connections established between the client application and the - * server will become persistent. This is calling the same - * @cubrid_connect function will establish persisten connection - * considering that the CCI_PCONNECT is ON. + * server will become persistent. * * @return resource */ public function db_pconnect() { - return $this->db_connect(); + return $this->_cubrid_connect(TRUE); } // -------------------------------------------------------------------- /** - * Reconnect + * CUBRID connection * - * Keep / reestablish the db connection if no queries have been - * sent for a length of time exceeding the server's idle timeout + * A CUBRID-specific method to create a connection to the database. + * Except for determining if a persistent connection should be used, + * the rest of the logic is the same for db_connect() and db_pconnect(). * - * @return void + * @param bool + * @return resource */ - public function reconnect() + protected function _cubrid_connect($persistent = FALSE) { - if (cubrid_ping($this->conn_id) === FALSE) + if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:([^:]*):([^:]*):(\?.+)?$/', $this->dsn, $matches)) { - $this->conn_id = FALSE; + $_temp = ($persistent !== TRUE) ? 'cubrid_connect_with_url' : 'cubrid_pconnect_with_url'; + $conn_id = ($matches[2] === '' && $matches[3] === '' && $this->username !== '' && $this->password !== '') + ? $_temp($this->dsn, $this->username, $this->password) + : $_temp($this->dsn); + } + else + { + $_temp = ($persistent !== TRUE) ? 'cubrid_connect' : 'cubrid_pconnect'; + $conn_id = ($this->username !== '') + ? $_temp($this->hostname, $this->port, $this->database, $this->username, $this->password) + : $_temp($this->hostname, $this->port, $this->database); } + + return $conn_id; } // -------------------------------------------------------------------- /** - * Select the database + * Reconnect * - * @return resource + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @return void */ - public function db_select() + public function reconnect() { - // In CUBRID there is no need to select a database as the database - // is chosen at the connection time. - // So, to determine if the database is "selected", all we have to - // do is ping the server and return that value. - return cubrid_ping($this->conn_id); + if (cubrid_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } } // -------------------------------------------------------------------- diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index d8b6ae571..6d3346292 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -85,19 +85,6 @@ class CI_DB_interbase_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Select the database - * - * @return bool - */ - public function db_select() - { - // Connection selects the database - return TRUE; - } - - // -------------------------------------------------------------------- - - /** * Database version number * * @return string diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index f2933fe43..81af6cd72 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -52,10 +52,10 @@ class CI_DB_mssql_driver extends CI_DB { /** * 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() methods. */ protected $_count_string = 'SELECT COUNT(*) AS '; - protected $_random_keyword = ' ASC'; // not currently supported + protected $_random_keyword = ' NEWID()'; /** * Non-persistent database connection @@ -539,13 +539,12 @@ class CI_DB_mssql_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * - * @access public * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 4c5d52127..47b0449d6 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -72,8 +72,8 @@ class CI_DB_mysqli_driver extends CI_DB { public function db_connect() { return ($this->port != '') - ? @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port) - : @mysqli_connect($this->hostname, $this->username, $this->password, $this->database); + ? @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port) + : @new mysqli($this->hostname, $this->username, $this->password, $this->database); } // -------------------------------------------------------------------- @@ -92,8 +92,8 @@ class CI_DB_mysqli_driver extends CI_DB { } return ($this->port != '') - ? @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port) - : @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database); + ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port) + : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database); } // -------------------------------------------------------------------- @@ -108,7 +108,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function reconnect() { - if (mysqli_ping($this->conn_id) === FALSE) + if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE) { $this->conn_id = FALSE; } @@ -129,7 +129,7 @@ class CI_DB_mysqli_driver extends CI_DB { $database = $this->database; } - if (@mysqli_select_db($this->conn_id, $database)) + if (@$this->conn_id->select_db($database)) { $this->database = $database; return TRUE; @@ -148,7 +148,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ protected function _db_set_charset($charset) { - return @mysqli_set_charset($this->conn_id, $charset); + return @$this->conn_id->set_charset($charset); } // -------------------------------------------------------------------- @@ -162,7 +162,7 @@ class CI_DB_mysqli_driver extends CI_DB { { return isset($this->data_cache['version']) ? $this->data_cache['version'] - : $this->data_cache['version'] = @mysqli_get_server_info($this->conn_id); + : $this->data_cache['version'] = $this->conn_id->server_info; } // -------------------------------------------------------------------- @@ -175,7 +175,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ protected function _execute($sql) { - return @mysqli_query($this->conn_id, $this->_prep_query($sql)); + return @$this->conn_id->query($this->_prep_query($sql)); } // -------------------------------------------------------------------- @@ -286,7 +286,7 @@ class CI_DB_mysqli_driver extends CI_DB { return $str; } - $str = is_object($this->conn_id) ? mysqli_real_escape_string($this->conn_id, $str) : addslashes($str); + $str = is_object($this->conn_id) ? $this->conn_id->real_escape_string($str) : addslashes($str); // escape LIKE condition wildcards if ($like === TRUE) @@ -306,7 +306,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function affected_rows() { - return @mysqli_affected_rows($this->conn_id); + return $this->conn_id->affected_rows; } // -------------------------------------------------------------------- @@ -318,7 +318,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function insert_id() { - return @mysqli_insert_id($this->conn_id); + return $this->conn_id->insert_id; } // -------------------------------------------------------------------- @@ -357,7 +357,6 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * - * @access private * @param bool * @return string */ @@ -434,7 +433,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function error() { - return array('code' => mysqli_errno($this->conn_id), 'message' => mysqli_error($this->conn_id)); + return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error); } // -------------------------------------------------------------------- @@ -691,7 +690,8 @@ class CI_DB_mysqli_driver extends CI_DB { */ protected function _close($conn_id) { - @mysqli_close($conn_id); + $this->conn_id->close(); + $this->conn_id = FALSE; } } diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php index 83d88aae3..cf0362217 100644 --- a/system/database/drivers/mysqli/mysqli_result.php +++ b/system/database/drivers/mysqli/mysqli_result.php @@ -43,7 +43,7 @@ class CI_DB_mysqli_result extends CI_DB_result { */ public function num_rows() { - return @mysqli_num_rows($this->result_id); + return $this->result_id->num_rows; } // -------------------------------------------------------------------- @@ -55,7 +55,7 @@ class CI_DB_mysqli_result extends CI_DB_result { */ public function num_fields() { - return @mysqli_num_fields($this->result_id); + return $this->result_id->field_count; } // -------------------------------------------------------------------- @@ -70,7 +70,7 @@ class CI_DB_mysqli_result extends CI_DB_result { public function list_fields() { $field_names = array(); - while ($field = mysqli_fetch_field($this->result_id)) + while ($field = $this->result_id->fetch_field()) { $field_names[] = $field->name; } @@ -90,7 +90,7 @@ class CI_DB_mysqli_result extends CI_DB_result { public function field_data() { $retval = array(); - $field_data = mysqli_fetch_fields($this->result_id); + $field_data = $this->result_id->fetch_fields(); for ($i = 0, $c = count($field_data); $i < $c; $i++) { $retval[$i] = new stdClass(); @@ -115,7 +115,7 @@ class CI_DB_mysqli_result extends CI_DB_result { { if (is_object($this->result_id)) { - mysqli_free_result($this->result_id); + $this->result_id->free(); $this->result_id = FALSE; } } @@ -133,7 +133,7 @@ class CI_DB_mysqli_result extends CI_DB_result { */ protected function _data_seek($n = 0) { - return mysqli_data_seek($this->result_id, $n); + return $this->result_id->data_seek($n); } // -------------------------------------------------------------------- @@ -147,7 +147,7 @@ class CI_DB_mysqli_result extends CI_DB_result { */ protected function _fetch_assoc() { - return mysqli_fetch_assoc($this->result_id); + return $this->result_id->fetch_assoc(); } // -------------------------------------------------------------------- @@ -161,7 +161,7 @@ class CI_DB_mysqli_result extends CI_DB_result { */ protected function _fetch_object() { - return mysqli_fetch_object($this->result_id); + return $this->result_id->fetch_object(); } } diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index c9e791d63..45b0198eb 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -78,6 +78,85 @@ class CI_DB_oci8_driver extends CI_DB { // throw off num_fields later public $limit_used; + public function __construct($params) + { + parent::__construct($params); + + $valid_dsns = array( + 'tns' => '/^\(DESCRIPTION=(\(.+\)){2,}\)$/', // TNS + // Easy Connect string (Oracle 10g+) + 'ec' => '/^(\/\/)?[a-z0-9.:_-]+(:[1-9][0-9]{0,4})?(\/[a-z0-9$_]+)?(:[^\/])?(\/[a-z0-9$_]+)?$/i', + 'in' => '/^[a-z0-9$_]+$/i' // Instance name (defined in tnsnames.ora) + ); + + /* Space characters don't have any effect when actually + * connecting, but can be a hassle while validating the DSN. + */ + $this->dsn = str_replace(array("\n", "\r", "\t", ' '), '', $this->dsn); + + if ($this->dsn !== '') + { + foreach ($valid_dsns as $regexp) + { + if (preg_match($regexp, $this->dsn)) + { + return; + } + } + } + + // Legacy support for TNS in the hostname configuration field + $this->hostname = str_replace(array("\n", "\r", "\t", ' '), '', $this->hostname); + if (preg_match($valid_dsns['tns'], $this->hostname)) + { + $this->dsn = $this->hostname; + return; + } + elseif ($this->hostname !== '' && strpos($this->hostname, '/') === FALSE && strpos($this->hostname, ':') === FALSE + && (( ! empty($this->port) && ctype_digit($this->port)) OR $this->database !== '')) + { + /* If the hostname field isn't empty, doesn't contain + * ':' and/or '/' and if port and/or database aren't + * empty, then the hostname field is most likely indeed + * just a hostname. Therefore we'll try and build an + * Easy Connect string from these 3 settings, assuming + * that the database field is a service name. + */ + $this->dsn = $this->hostname + .(( ! empty($this->port) && ctype_digit($this->port)) ? ':'.$this->port : '') + .($this->database !== '' ? '/'.ltrim($this->database, '/') : ''); + + if (preg_match($valid_dsns['ec'], $this->dsn)) + { + return; + } + } + + /* At this point, we can only try and validate the hostname and + * database fields separately as DSNs. + */ + if (preg_match($valid_dsns['ec'], $this->hostname) OR preg_match($valid_dsns['in'], $this->hostname)) + { + $this->dsn = $this->hostname; + return; + } + + $this->database = str_replace(array("\n", "\r", "\t", ' '), '', $this->database); + foreach ($valid_dsns as $regexp) + { + if (preg_match($regexp, $this->database)) + { + return; + } + } + + /* Well - OK, an empty string should work as well. + * PHP will try to use environment variables to + * determine which Oracle instance to connect to. + */ + $this->dsn = ''; + } + /** * Non-persistent database connection * @@ -85,7 +164,9 @@ class CI_DB_oci8_driver extends CI_DB { */ public function db_connect() { - return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set); + return ( ! empty($this->char_set)) + ? @oci_connect($this->username, $this->password, $this->dsn, $this->char_set) + : @oci_connect($this->username, $this->password, $this->dsn); } // -------------------------------------------------------------------- @@ -97,20 +178,9 @@ class CI_DB_oci8_driver extends CI_DB { */ public function db_pconnect() { - return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set); - } - - // -------------------------------------------------------------------- - - /** - * Select the database - * - * @return resource - */ - public function db_select() - { - // Not in Oracle - schemas are actually usernames - return TRUE; + return ( ! empty($this->char_set)) + ? @oci_pconnect($this->username, $this->password, $this->dsn, $this->char_set) + : @oci_pconnect($this->username, $this->password, $this->dsn); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 901787ff3..ed901bd81 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -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, $this->password); } // -------------------------------------------------------------------- @@ -84,20 +89,7 @@ class CI_DB_odbc_driver extends CI_DB { */ public function db_pconnect() { - return @odbc_pconnect($this->hostname, $this->username, $this->password); - } - - // -------------------------------------------------------------------- - - /** - * Select the database - * - * @return resource - */ - public function db_select() - { - // Not needed for ODBC - return TRUE; + return @odbc_pconnect($this->dsn, $this->username, $this->password); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 19338e30f..a9bed367e 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -247,19 +247,6 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Select the database - * - * @return resource - */ - public function db_select() - { - // Not needed for PDO - return TRUE; - } - - // -------------------------------------------------------------------- - - /** * Database version number * * @return string @@ -484,7 +471,7 @@ class CI_DB_pdo_driver extends CI_DB { * @param string * @return string */ - function count_all($table = '') + public function count_all($table = '') { if ($table == '') { diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 3bfccad05..a033d74f3 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -57,29 +57,64 @@ class CI_DB_postgre_driver extends CI_DB { protected $_random_keyword = ' RANDOM()'; // database specific random keyword /** - * Connection String + * Constructor * - * @return string + * Creates a DSN string to be used for db_connect() and db_pconnect() + * + * @return void */ - protected function _connect_string() + public function __construct($params) { - $components = array( - 'hostname' => 'host', - 'port' => 'port', - 'database' => 'dbname', - 'username' => 'user', - 'password' => 'password' - ); - - $connect_string = ""; - foreach ($components as $key => $val) + parent::__construct($params); + + if ( ! empty($this->dsn)) + { + return; + } + + $this->dsn === '' OR $this->dsn = ''; + + if (strpos($this->hostname, '/') !== FALSE) { - if (isset($this->$key) && $this->$key != '') + // If UNIX sockets are used, we shouldn't set a port + $this->port = ''; + } + + $this->hostname === '' OR $this->dsn = 'host='.$this->hostname; + + if ( ! empty($this->port) && ctype_digit($this->port)) + { + $this->dsn .= 'host='.$this->port.' '; + } + + if ($this->username !== '') + { + $this->dsn .= 'username='.$this->username.' '; + + /* An empty password is valid! + * + * $db['password'] = NULL must be done in order to ignore it. + */ + $this->password === NULL OR $this->dsn .= "password='".$this->password."' "; + } + + $this->database === '' OR $this->dsn .= 'dbname='.$this->database.' '; + + /* We don't have these options as elements in our standard configuration + * array, but they might be set by parse_url() if the configuration was + * provided via string. Example: + * + * postgre://username:password@localhost:5432/database?connect_timeout=5&sslmode=1 + */ + foreach (array('connect_timeout', 'options', 'sslmode', 'service') as $key) + { + if (isset($this->$key) && is_string($this->key) && $this->key !== '') { - $connect_string .= " $val=".$this->$key; + $this->dsn .= $key."='".$this->key."' "; } } - return trim($connect_string); + + $this->dsn = rtrim($this->dsn); } // -------------------------------------------------------------------- @@ -91,7 +126,7 @@ class CI_DB_postgre_driver extends CI_DB { */ public function db_connect() { - return @pg_connect($this->_connect_string()); + return @pg_connect($this->dsn); } // -------------------------------------------------------------------- @@ -103,7 +138,7 @@ class CI_DB_postgre_driver extends CI_DB { */ public function db_pconnect() { - return @pg_pconnect($this->_connect_string()); + return @pg_pconnect($this->dsn); } // -------------------------------------------------------------------- @@ -127,19 +162,6 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Select the database - * - * @return resource - */ - public function db_select() - { - // Not needed for Postgre so we'll return TRUE - return TRUE; - } - - // -------------------------------------------------------------------- - - /** * Set client character set * * @param string diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php index 8b22564b3..394b8b6fd 100644 --- a/system/database/drivers/postgre/postgre_result.php +++ b/system/database/drivers/postgre/postgre_result.php @@ -70,7 +70,7 @@ class CI_DB_postgre_result extends CI_DB_result { public function list_fields() { $field_names = array(); - for ($i = 0; $i < $this->num_fields(); $i++) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { $field_names[] = pg_field_name($this->result_id, $i); } @@ -90,16 +90,14 @@ class CI_DB_postgre_result extends CI_DB_result { public function field_data() { $retval = array(); - for ($i = 0; $i < $this->num_fields(); $i++) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { - $F = new stdClass(); - $F->name = pg_field_name($this->result_id, $i); - $F->type = pg_field_type($this->result_id, $i); - $F->max_length = pg_field_size($this->result_id, $i); - $F->primary_key = 0; - $F->default = ''; - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = pg_field_name($this->result_id, $i); + $retval[$i]->type = pg_field_type($this->result_id, $i); + $retval[$i]->max_length = pg_field_size($this->result_id, $i); + $retval[$i]->primary_key = 0; + $retval[$i]->default = ''; } return $retval; diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php index c6b71b4d9..cf29201ff 100644 --- a/system/database/drivers/postgre/postgre_utility.php +++ b/system/database/drivers/postgre/postgre_utility.php @@ -78,7 +78,7 @@ class CI_DB_postgre_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - function _backup($params = array()) + public function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index fa7e4846a..ef543c9b5 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -106,18 +106,6 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Select the database - * - * @return resource - */ - public function db_select() - { - return TRUE; - } - - // -------------------------------------------------------------------- - - /** * Database version number * * @return string @@ -245,9 +233,9 @@ class CI_DB_sqlite_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace( array('%', '_', $this->_like_escape_chr), - array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), - $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php index b002aeff1..4af80abf7 100644 --- a/system/database/drivers/sqlite/sqlite_result.php +++ b/system/database/drivers/sqlite/sqlite_result.php @@ -70,9 +70,9 @@ class CI_DB_sqlite_result extends CI_DB_result { public function list_fields() { $field_names = array(); - for ($i = 0; $i < $this->num_fields(); $i++) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { - $field_names[] = sqlite_field_name($this->result_id, $i); + $field_names[$i] = sqlite_field_name($this->result_id, $i); } return $field_names; @@ -90,16 +90,14 @@ class CI_DB_sqlite_result extends CI_DB_result { public function field_data() { $retval = array(); - for ($i = 0; $i < $this->num_fields(); $i++) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { - $F = new stdClass(); - $F->name = sqlite_field_name($this->result_id, $i); - $F->type = 'varchar'; - $F->max_length = 0; - $F->primary_key = 0; - $F->default = ''; - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = sqlite_field_name($this->result_id, $i); + $retval[$i]->type = 'varchar'; + $retval[$i]->max_length = 0; + $retval[$i]->primary_key = 0; + $retval[$i]->default = ''; } return $retval; @@ -108,18 +106,6 @@ class CI_DB_sqlite_result extends CI_DB_result { // -------------------------------------------------------------------- /** - * Free the result - * - * @return void - */ - public function free_result() - { - // Not implemented in SQLite - } - - // -------------------------------------------------------------------- - - /** * Data Seek * * Moves the internal pointer to the desired offset. We call @@ -162,17 +148,9 @@ class CI_DB_sqlite_result extends CI_DB_result { { return sqlite_fetch_object($this->result_id); } - else - { - $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC); - if (is_array($arr)) - { - $obj = (object) $arr; - return $obj; - } else { - return NULL; - } - } + + $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC); + return is_array($arr) ? (object) $arr : FALSE; } } diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php index 39d1e2141..de3705296 100644 --- a/system/database/drivers/sqlite3/sqlite3_driver.php +++ b/system/database/drivers/sqlite3/sqlite3_driver.php @@ -92,19 +92,6 @@ class CI_DB_sqlite3_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Select the database - * - * @return bool - */ - public function db_select() - { - // Not needed, in SQLite every pseudo-connection is a database - return TRUE; - } - - // -------------------------------------------------------------------- - - /** * Database version number * * @return string diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 9f2f88699..bb4f009bc 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -55,7 +55,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { * used for the count_all() and count_all_results() functions. */ protected $_count_string = 'SELECT COUNT(*) AS '; - protected $_random_keyword = ' ASC'; // not currently supported + protected $_random_keyword = ' NEWID()'; // not currently supported /** * Non-persistent database connection @@ -68,12 +68,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { $character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set; $connection = array( - 'UID' => empty($this->username) ? '' : $this->username, - 'PWD' => empty($this->password) ? '' : $this->password, - 'Database' => $this->database, - 'ConnectionPooling' => $pooling ? 1 : 0, + 'UID' => empty($this->username) ? '' : $this->username, + 'PWD' => empty($this->password) ? '' : $this->password, + 'Database' => $this->database, + 'ConnectionPooling' => $pooling ? 1 : 0, 'CharacterSet' => $character_set, - 'ReturnDatesAsStrings' => 1 + 'ReturnDatesAsStrings' => 1 ); // If the username and password are both empty, assume this is a @@ -259,23 +259,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Parse major version - * - * Grabs the major version number from the - * database server version string passed in. - * - * @param string $version - * @return int major version number - */ - protected function _parse_major_version($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. - } - - // -------------------------------------------------------------------- - - /** * Database version number * * @return string |