diff options
| author | Andrey Andreev <narf@bofh.bg> | 2012-06-07 20:56:59 +0200 |
|---|---|---|
| committer | Andrey Andreev <narf@bofh.bg> | 2012-06-07 20:56:59 +0200 |
| commit | cd221aba73cb7a117c70ca237f0ee9dc14f80cf1 (patch) | |
| tree | 39db53d645226c212eb697494320eef6302544a0 /system/database | |
| parent | 1fcce9667fe8d1925a36549e22124411f5828230 (diff) | |
| parent | 6c776538c4e8f1b932d5ec7431c1c8de8a5642a6 (diff) | |
Merge upstream branch
Diffstat (limited to 'system/database')
36 files changed, 537 insertions, 786 deletions
diff --git a/system/database/DB.php b/system/database/DB.php index b28439b29..00d14b43e 100755 --- a/system/database/DB.php +++ b/system/database/DB.php @@ -53,7 +53,7 @@ function &DB($params = '', $query_builder_override = NULL) show_error('No database connection settings were found in the database config file.'); } - if ($params != '') + if ($params !== '') { $active_group = $params; } @@ -106,7 +106,7 @@ function &DB($params = '', $query_builder_override = NULL) } // No DB specified yet? Beat them senseless... - if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '') + if (empty($params['dbdriver'])) { show_error('You have not selected a database type to connect to.'); } @@ -118,10 +118,17 @@ function &DB($params = '', $query_builder_override = NULL) { $query_builder = $query_builder_override; } + // Backwards compatibility work-around for keeping the + // $active_record config variable working. Should be + // removed in v3.1 + elseif ( ! isset($query_builder) && isset($active_record)) + { + $query_builder = $active_record; + } require_once(BASEPATH.'database/DB_driver.php'); - if ( ! isset($query_builder) OR $query_builder == TRUE) + if ( ! isset($query_builder) OR $query_builder === TRUE) { require_once(BASEPATH.'database/DB_query_builder.php'); if ( ! class_exists('CI_DB')) @@ -145,12 +152,12 @@ function &DB($params = '', $query_builder_override = NULL) $driver = 'CI_DB_'.$params['dbdriver'].'_driver'; $DB = new $driver($params); - if ($DB->autoinit == TRUE) + if ($DB->autoinit === TRUE) { $DB->initialize(); } - if (isset($params['stricton']) && $params['stricton'] == TRUE) + if ( ! empty($params['stricton'])) { $DB->query('SET SESSION sql_mode="STRICT_ALL_TABLES"'); } @@ -159,4 +166,4 @@ function &DB($params = '', $query_builder_override = NULL) } /* End of file DB.php */ -/* Location: ./system/database/DB.php */ +/* Location: ./system/database/DB.php */
\ No newline at end of file diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php index ff942856b..ba9110382 100644 --- a/system/database/DB_cache.php +++ b/system/database/DB_cache.php @@ -55,9 +55,9 @@ class CI_DB_Cache { */ public function check_path($path = '') { - if ($path == '') + if ($path === '') { - if ($this->db->cachedir == '') + if ($this->db->cachedir === '') { return $this->db->cache_off(); } @@ -99,7 +99,7 @@ class CI_DB_Cache { $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql); - if (FALSE === ($cachedata = read_file($filepath))) + if (FALSE === ($cachedata = file_get_contents($filepath))) { return FALSE; } @@ -154,12 +154,12 @@ class CI_DB_Cache { */ public function delete($segment_one = '', $segment_two = '') { - if ($segment_one == '') + if ($segment_one === '') { $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); } - if ($segment_two == '') + if ($segment_two === '') { $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); } diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index ef77b594e..39c19cdf7 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -113,7 +113,7 @@ abstract class CI_DB_driver { // ---------------------------------------------------------------- // Connect to the database and set the connection ID - $this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect(); + $this->conn_id = ($this->pconnect === FALSE) ? $this->db_connect() : $this->db_pconnect(); // No connection resource? Check if there is a failover else throw an error if ( ! $this->conn_id) @@ -131,7 +131,7 @@ abstract class CI_DB_driver { } // Try to connect - $this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect(); + $this->conn_id = ($this->pconnect === FALSE) ? $this->db_connect() : $this->db_pconnect(); // If a connection is made break the foreach loop if ($this->conn_id) @@ -297,7 +297,7 @@ abstract class CI_DB_driver { */ public function query($sql, $binds = FALSE, $return_object = TRUE) { - if ($sql == '') + if ($sql === '') { log_message('error', 'Invalid query: '.$sql); @@ -305,7 +305,7 @@ abstract class CI_DB_driver { } // Verify table prefix and replace if necessary - if ($this->dbprefix != '' && $this->swap_pre != '' && $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', $sql); } @@ -319,7 +319,7 @@ abstract class CI_DB_driver { // Is query caching enabled? If the query is a "read type" // we will load the caching class and return the previously // cached query if it exists - if ($this->cache_on == TRUE && stripos($sql, 'SELECT') !== FALSE && $this->_cache_init()) + if ($this->cache_on === TRUE && stripos($sql, 'SELECT') !== FALSE && $this->_cache_init()) { $this->load_rdriver(); if (FALSE !== ($cache = $this->CACHE->read($sql))) @@ -329,7 +329,7 @@ abstract class CI_DB_driver { } // Save the query for debugging - if ($this->save_queries == TRUE) + if ($this->save_queries === TRUE) { $this->queries[] = $sql; } @@ -340,7 +340,7 @@ abstract class CI_DB_driver { // Run the Query if (FALSE === ($this->result_id = $this->simple_query($sql))) { - if ($this->save_queries == TRUE) + if ($this->save_queries === TRUE) { $this->query_times[] = 0; } @@ -373,7 +373,7 @@ abstract class CI_DB_driver { $time_end = microtime(TRUE); $this->benchmark += $time_end - $time_start; - if ($this->save_queries == TRUE) + if ($this->save_queries === TRUE) { $this->query_times[] = $time_end - $time_start; } @@ -387,7 +387,7 @@ abstract class CI_DB_driver { { // If caching is enabled we'll auto-cleanup any // existing files related to this particular URI - if ($this->cache_on == TRUE && $this->cache_autodel == TRUE && $this->_cache_init()) + if ($this->cache_on === TRUE && $this->cache_autodel === TRUE && $this->_cache_init()) { $this->CACHE->delete(); } @@ -409,7 +409,7 @@ abstract class CI_DB_driver { // Is query caching enabled? If so, we'll serialize the // result object and save it to a cache file. - if ($this->cache_on == TRUE && $this->_cache_init()) + if ($this->cache_on === TRUE && $this->_cache_init()) { // We'll create a new instance of the result object // only without the platform specific driver since @@ -742,6 +742,35 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @param string + * @return int + */ + public function count_all($table = '') + { + if ($table === '') + { + return 0; + } + + $query = $this->query($this->_count_string.$this->escape_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); + if ($query->num_rows() === 0) + { + return 0; + } + + $query = $query->row(); + $this->_reset_select(); + return (int) $query->numrows; + } + + // -------------------------------------------------------------------- + + /** * Returns an array of table names * * @return array @@ -821,7 +850,7 @@ abstract class CI_DB_driver { return $this->data_cache['field_names'][$table]; } - if ($table == '') + if ($table === '') { return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } @@ -889,7 +918,7 @@ abstract class CI_DB_driver { */ public function field_data($table = '') { - if ($table == '') + if ($table === '') { return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } @@ -910,7 +939,7 @@ abstract class CI_DB_driver { */ public function escape_identifiers($item) { - if ($this->_escape_char == '') + if ($this->_escape_char === '') { return $item; } @@ -969,7 +998,7 @@ abstract class CI_DB_driver { */ public function update_string($table, $data, $where) { - if ($where == '') + if ($where === '') { return FALSE; } @@ -989,7 +1018,7 @@ abstract class CI_DB_driver { $dest = array(); foreach ($where as $key => $val) { - $prefix = (count($dest) == 0) ? '' : ' AND '; + $prefix = (count($dest) === 0) ? '' : ' AND '; $key = $this->protect_identifiers($key); if ($val !== '') @@ -1033,7 +1062,7 @@ abstract class CI_DB_driver { */ public function call_function($function) { - $driver = ($this->dbdriver == 'postgre') ? 'pg_' : $this->dbdriver.'_'; + $driver = ($this->dbdriver === 'postgre') ? 'pg_' : $this->dbdriver.'_'; if (FALSE === strpos($driver, $function)) { @@ -1152,7 +1181,7 @@ abstract class CI_DB_driver { { if ($this->conn_id) { - $this->_close($this->conn_id); + $this->_close(); $this->conn_id = FALSE; } } @@ -1160,6 +1189,20 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** + * Close DB Connection + * + * This method would be overriden by most of the drivers. + * + * @return void + */ + protected function _close() + { + $this->conn_id = FALSE; + } + + // -------------------------------------------------------------------- + + /** * Display an error message * * @param string the error message @@ -1174,7 +1217,7 @@ abstract class CI_DB_driver { $heading = $LANG->line('db_error_heading'); - if ($native == TRUE) + if ($native === TRUE) { $message = (array) $error; } @@ -1302,7 +1345,7 @@ abstract class CI_DB_driver { } // Is there a table prefix defined in the config file? If not, no need to do anything - if ($this->dbprefix != '') + if ($this->dbprefix !== '') { // We now add the table prefix based on some logic. // Do we have 4 segments (hostname.database.table.column)? @@ -1326,13 +1369,13 @@ abstract class CI_DB_driver { // This flag is set when the supplied $item does not contain a field name. // This can happen when this function is being called from a JOIN. - if ($field_exists == FALSE) + if ($field_exists === FALSE) { $i++; } // Verify table prefix and replace if necessary - if ($this->swap_pre != '' && strpos($parts[$i], $this->swap_pre) === 0) + if ($this->swap_pre !== '' && strpos($parts[$i], $this->swap_pre) === 0) { $parts[$i] = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $parts[$i]); } @@ -1355,15 +1398,15 @@ abstract class CI_DB_driver { } // Is there a table prefix? If not, no need to insert it - if ($this->dbprefix != '') + if ($this->dbprefix !== '') { // Verify table prefix and replace if necessary - if ($this->swap_pre != '' && strpos($item, $this->swap_pre) === 0) + if ($this->swap_pre !== '' && strpos($item, $this->swap_pre) === 0) { $item = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $item); } // Do we prefix an item with no segments? - elseif ($prefix_single == TRUE && strpos($item, $this->dbprefix) !== 0) + elseif ($prefix_single === TRUE && strpos($item, $this->dbprefix) !== 0) { $item = $this->dbprefix.$item; } @@ -1381,8 +1424,7 @@ abstract class CI_DB_driver { /** * Dummy method that allows Query Builder class to be disabled - * - * This function is used extensively by every db driver. + * and keep count_all() working. * * @return void */ @@ -1393,4 +1435,4 @@ abstract class CI_DB_driver { } /* End of file DB_driver.php */ -/* Location: ./system/database/DB_driver.php */ +/* Location: ./system/database/DB_driver.php */
\ No newline at end of file diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php index a519575f0..ff5eb3fe6 100644 --- a/system/database/DB_forge.php +++ b/system/database/DB_forge.php @@ -85,7 +85,7 @@ abstract class CI_DB_forge { */ public function drop_database($db_name) { - if ($db_name == '') + if ($db_name === '') { show_error('A table name is required for that operation.'); return FALSE; @@ -123,7 +123,7 @@ abstract class CI_DB_forge { return; } - if ($key == '') + if ($key === '') { show_error('Key information is required for that operation.'); } @@ -150,7 +150,7 @@ abstract class CI_DB_forge { */ public function add_field($field = '') { - if ($field == '') + if ($field === '') { show_error('Field information is required.'); } @@ -197,7 +197,7 @@ abstract class CI_DB_forge { */ public function create_table($table = '', $if_not_exists = FALSE) { - if ($table == '') + if ($table === '') { show_error('A table name is required for that operation.'); } @@ -222,7 +222,7 @@ abstract class CI_DB_forge { */ public function drop_table($table_name) { - if ($table_name == '') + if ($table_name === '') { return ($this->db->db_debug) ? $this->db->display_error('db_table_name_required') : FALSE; } @@ -245,7 +245,7 @@ abstract class CI_DB_forge { */ public function rename_table($table_name, $new_table_name) { - if ($table_name == '' OR $new_table_name == '') + if ($table_name === '' OR $new_table_name === '') { show_error('A table name is required for that operation.'); return FALSE; @@ -273,7 +273,7 @@ abstract class CI_DB_forge { */ public function add_column($table = '', $field = array(), $after_field = '') { - if ($table == '') + if ($table === '') { show_error('A table name is required for that operation.'); } @@ -284,7 +284,7 @@ abstract class CI_DB_forge { { $this->add_field(array($k => $field[$k])); - if (count($this->fields) == 0) + if (count($this->fields) === 0) { show_error('Field information is required.'); } @@ -312,12 +312,12 @@ abstract class CI_DB_forge { */ public function drop_column($table = '', $column_name = '') { - if ($table == '') + if ($table === '') { show_error('A table name is required for that operation.'); } - if ($column_name == '') + if ($column_name === '') { show_error('A column name is required for that operation.'); } @@ -337,7 +337,7 @@ abstract class CI_DB_forge { */ public function modify_column($table = '', $field = array()) { - if ($table == '') + if ($table === '') { show_error('A table name is required for that operation.'); } diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index 393a1cd75..7a0ea0c30 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.php @@ -97,7 +97,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { { $val = trim($val); - if ($val != '') + if ($val !== '') { $this->qb_select[] = $val; $this->qb_no_escape[] = $escape; @@ -194,7 +194,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX') { - if ( ! is_string($select) OR $select == '') + if ( ! is_string($select) OR $select === '') { $this->display_error('db_invalid_query'); } @@ -206,13 +206,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver { show_error('Invalid function type: '.$type); } - if ($alias == '') + if ($alias === '') { $alias = $this->_create_alias_from_table(trim($select)); } - $sql = $this->protect_identifiers($type.'('.trim($select).')').' AS '.$this->protect_identifiers(trim($alias)); - + $sql = $this->protect_identifiers($type.'('.trim($select).')').' AS '.$this->escape_identifiers(trim($alias)); + $this->qb_select[] = $sql; $this->qb_no_escape[] = NULL; @@ -256,7 +256,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function distinct($val = TRUE) { - $this->qb_distinct = (is_bool($val)) ? $val : TRUE; + $this->qb_distinct = is_bool($val) ? $val : TRUE; return $this; } @@ -272,7 +272,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function from($from) { - foreach ((array)$from as $val) + foreach ((array) $from as $val) { if (strpos($val, ',') !== FALSE) { @@ -281,7 +281,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $v = trim($v); $this->_track_aliases($v); - $v = $this->qb_from[] = $this->protect_identifiers($v, TRUE, NULL, FALSE); + $this->qb_from[] = $v = $this->protect_identifiers($v, TRUE, NULL, FALSE); if ($this->qb_caching === TRUE) { @@ -325,7 +325,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function join($table, $cond, $type = '') { - if ($type != '') + if ($type !== '') { $type = strtoupper(trim($type)); @@ -675,23 +675,23 @@ abstract class CI_DB_query_builder extends CI_DB_driver { if ($side === 'none') { - $like_statement = $prefix." $k $not LIKE '{$v}'"; + $like_statement = "{$prefix} $k $not LIKE '{$v}'"; } elseif ($side === 'before') { - $like_statement = $prefix." $k $not LIKE '%{$v}'"; + $like_statement = "{$prefix} $k $not LIKE '%{$v}'"; } elseif ($side === 'after') { - $like_statement = $prefix." $k $not LIKE '{$v}%'"; + $like_statement = "{$prefix} $k $not LIKE '{$v}%'"; } else { - $like_statement = $prefix." $k $not LIKE '%{$v}%'"; + $like_statement = "{$prefix} $k $not LIKE '%{$v}%'"; } // some platforms require an escape sequence definition for LIKE wildcards - if ($this->_like_escape_str != '') + if ($this->_like_escape_str !== '') { $like_statement = $like_statement.sprintf($this->_like_escape_str, $this->_like_escape_chr); } @@ -829,7 +829,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { { $val = trim($val); - if ($val != '') + if ($val !== '') { $this->qb_groupby[] = $val = $this->protect_identifiers($val); @@ -908,7 +908,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $k .= ' = '; } - if ($v != '') + if ($v !== '') { $v = ' '.$this->escape($v); } @@ -941,7 +941,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $orderby = ''; // Random results want or don't need a field name $direction = $this->_random_keyword; } - elseif (trim($direction) != '') + elseif (trim($direction) !== '') { $direction = (in_array(strtoupper(trim($direction)), array('ASC', 'DESC'), TRUE)) ? ' '.$direction : ' ASC'; } @@ -963,7 +963,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $orderby = implode(', ', $temp); } - elseif ($direction != $this->_random_keyword) + elseif ($direction !== $this->_random_keyword) { if ($escape === TRUE) { @@ -1064,7 +1064,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function get_compiled_select($table = '', $reset = TRUE) { - if ($table != '') + if ($table !== '') { $this->_track_aliases($table); $this->from($table); @@ -1095,7 +1095,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function get($table = '', $limit = null, $offset = null) { - if ($table != '') + if ($table !== '') { $this->_track_aliases($table); $this->from($table); @@ -1111,6 +1111,8 @@ abstract class CI_DB_query_builder extends CI_DB_driver { return $result; } + // -------------------------------------------------------------------- + /** * "Count All Results" query * @@ -1122,7 +1124,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function count_all_results($table = '') { - if ($table != '') + if ($table !== '') { $this->_track_aliases($table); $this->from($table); @@ -1139,6 +1141,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $row = $result->row(); return (int) $row->numrows; } + // -------------------------------------------------------------------- /** @@ -1153,7 +1156,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function get_where($table = '', $where = null, $limit = null, $offset = null) { - if ($table != '') + if ($table !== '') { $this->from($table); } @@ -1201,7 +1204,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { return FALSE; } - if ($table == '') + if ($table === '') { if ( ! isset($this->qb_from[0])) { @@ -1401,16 +1404,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } - if ($table == '') + if ($table !== '') { - if ( ! isset($this->qb_from[0])) - { - return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; - } + $this->qb_from[0] = $table; } - else + elseif ( ! isset($this->qb_from[0])) { - $this->qb_from[0] = $table; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } return TRUE; @@ -1439,7 +1439,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } - if ($table == '') + if ($table === '') { if ( ! isset($this->qb_from[0])) { @@ -1530,7 +1530,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { return FALSE; } - if ($where != NULL) + if ($where !== NULL) { $this->where($where); } @@ -1595,21 +1595,18 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ protected function _validate_update($table = '') { - if (count($this->qb_set) == 0) + if (count($this->qb_set) === 0) { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } - if ($table == '') + if ($table !== '') { - if ( ! isset($this->qb_from[0])) - { - return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; - } + $this->qb_from[0] = $table; } - else + elseif ( ! isset($this->qb_from[0])) { - $this->qb_from[0] = $table; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } return TRUE; @@ -1647,7 +1644,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } - if ($table == '') + if ($table === '') { if ( ! isset($this->qb_from[0])) { @@ -1692,19 +1689,15 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $clean = array(); foreach ($v as $k2 => $v2) { - if ($k2 == $index) + if ($k2 === $index) { $index_set = TRUE; } - else - { - $not[] = $k.'-'.$v; - } $clean[$this->protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2); } - if ($index_set == FALSE) + if ($index_set === FALSE) { return $this->display_error('db_batch_missing_index'); } @@ -1727,7 +1720,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function empty_table($table = '') { - if ($table == '') + if ($table === '') { if ( ! isset($this->qb_from[0])) { @@ -1760,7 +1753,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function truncate($table = '') { - if ($table == '') + if ($table === '') { if ( ! isset($this->qb_from[0])) { @@ -1834,7 +1827,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { // Combine any cached components with the current statements $this->_merge_cache(); - if ($table == '') + if ($table === '') { if ( ! isset($this->qb_from[0])) { @@ -1858,7 +1851,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $table = $this->protect_identifiers($table, TRUE, NULL, FALSE); } - if ($where != '') + if ($where !== '') { $this->where($where); } @@ -1919,7 +1912,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { */ public function dbprefix($table = '') { - if ($table == '') + if ($table === '') { $this->display_error('db_table_name_required'); } @@ -2079,7 +2072,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $sql .= "\nORDER BY ".implode(', ', $this->qb_orderby); if ($this->qb_order !== FALSE) { - $sql .= ($this->qb_order == 'desc') ? ' DESC' : ' ASC'; + $sql .= ($this->qb_order === 'desc') ? ' DESC' : ' ASC'; } } @@ -2102,7 +2095,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * @param object * @return array */ - public function _object_to_array($object) + protected function _object_to_array($object) { if ( ! is_object($object)) { @@ -2113,7 +2106,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { foreach (get_object_vars($object) as $key => $val) { // There are some built in keys we need to ignore for this conversion - if ( ! is_object($val) && ! is_array($val) && $key != '_parent_name') + if ( ! is_object($val) && ! is_array($val) && $key !== '_parent_name') { $array[$key] = $val; } @@ -2132,7 +2125,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { * @param object * @return array */ - public function _object_to_array_batch($object) + protected function _object_to_array_batch($object) { if ( ! is_object($object)) { diff --git a/system/database/DB_result.php b/system/database/DB_result.php index 196febe2c..991f6ba94 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -81,7 +81,7 @@ class CI_DB_result { return $this->custom_result_object[$class_name]; } - if ($this->result_id === FALSE OR $this->num_rows() == 0) + if ($this->result_id === FALSE OR $this->num_rows() === 0) { return array(); } @@ -122,7 +122,7 @@ class CI_DB_result { // In the event that query caching is on the result_id variable // will return FALSE since there isn't a valid SQL resource so // we'll simply return an empty array. - if ($this->result_id === FALSE OR $this->num_rows() == 0) + if ($this->result_id === FALSE OR $this->num_rows() === 0) { return array(); } @@ -153,7 +153,7 @@ class CI_DB_result { // In the event that query caching is on the result_id variable // will return FALSE since there isn't a valid SQL resource so // we'll simply return an empty array. - if ($this->result_id === FALSE OR $this->num_rows() == 0) + if ($this->result_id === FALSE OR $this->num_rows() === 0) { return array(); } @@ -224,7 +224,7 @@ class CI_DB_result { return; } - if ($key != '' && ! is_null($value)) + if ($key !== '' && ! is_null($value)) { $this->row_data[$key] = $value; } @@ -242,10 +242,10 @@ class CI_DB_result { $result = $this->custom_result_object($type); if (count($result) === 0) { - return $result; + return NULL; } - if ($n != $this->current_row && isset($result[$n])) + if ($n !== $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -253,6 +253,8 @@ class CI_DB_result { return $result[$this->current_row]; } + // -------------------------------------------------------------------- + /** * Returns a single result row - object version * @@ -263,10 +265,10 @@ class CI_DB_result { $result = $this->result_object(); if (count($result) === 0) { - return $result; + return NULL; } - if ($n != $this->current_row && isset($result[$n])) + if ($n !== $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -286,10 +288,10 @@ class CI_DB_result { $result = $this->result_array(); if (count($result) === 0) { - return $result; + return NULL; } - if ($n != $this->current_row && isset($result[$n])) + if ($n !== $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -307,7 +309,7 @@ class CI_DB_result { public function first_row($type = 'object') { $result = $this->result($type); - return (count($result) === 0) ? $result : $result[0]; + return (count($result) === 0) ? NULL : $result[0]; } // -------------------------------------------------------------------- @@ -320,7 +322,7 @@ class CI_DB_result { public function last_row($type = 'object') { $result = $this->result($type); - return (count($result) === 0) ? $result : $result[count($result) - 1]; + return (count($result) === 0) ? NULL : $result[count($result) - 1]; } // -------------------------------------------------------------------- @@ -335,7 +337,7 @@ class CI_DB_result { $result = $this->result($type); if (count($result) === 0) { - return $result; + return NULL; } if (isset($result[$this->current_row + 1])) @@ -358,7 +360,7 @@ class CI_DB_result { $result = $this->result($type); if (count($result) === 0) { - return $result; + return NULL; } if (isset($result[$this->current_row - 1])) @@ -371,6 +373,18 @@ class CI_DB_result { // -------------------------------------------------------------------- /** + * Returns an unbuffered row and move pointer to next row + * + * @return mixed either a result object or array + */ + public function unbuffered_row($type = 'object') + { + return ($type !== 'array') ? $this->_fetch_object() : $this->_fetch_assoc(); + } + + // -------------------------------------------------------------------- + + /** * 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. diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php index 587dfdc01..02c921834 100644 --- a/system/database/DB_utility.php +++ b/system/database/DB_utility.php @@ -212,7 +212,7 @@ abstract class CI_DB_utility extends CI_DB_forge { $out = rtrim($out).$newline; // Next blast through the result array and build out the rows - foreach ($query->result_array() as $row) + while ($row = $query->unbuffered_row('array')) { foreach ($row as $item) { @@ -258,7 +258,7 @@ abstract class CI_DB_utility extends CI_DB_forge { // Generate the result $xml = '<'.$root.'>'.$newline; - foreach ($query->result_array() as $row) + while ($row = $query->unbuffered_row()) { $xml .= $tab.'<'.$element.'>'.$newline; foreach ($row as $key => $val) @@ -343,7 +343,7 @@ abstract class CI_DB_utility extends CI_DB_forge { if ($prefs['format'] === 'zip') { // Set the filename if not provided (only needed with Zip files) - if ($prefs['filename'] == '') + if ($prefs['filename'] === '') { $prefs['filename'] = (count($prefs['tables']) === 1 ? $prefs['tables'] : $this->db->database) .date('Y-m-d_H-i', time()).'.sql'; @@ -369,7 +369,7 @@ abstract class CI_DB_utility extends CI_DB_forge { $CI->zip->add_data($prefs['filename'], $this->_backup($prefs)); return $CI->zip->get_zip(); } - elseif ($prefs['format'] == 'txt') // Was a text file requested? + elseif ($prefs['format'] === 'txt') // Was a text file requested? { return $this->_backup($prefs); } diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index 1373faa88..6b9286fa0 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -74,7 +74,7 @@ class CI_DB_cubrid_driver extends CI_DB { else { // If no port is defined by the user, use the default value - $this->port == '' OR $this->port = 33000; + empty($this->port) OR $this->port = 33000; } } @@ -329,35 +329,6 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified table - * - * @param string - * @return int - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $query = $query->row(); - $this->_reset_select(); - return (int) $query->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -369,7 +340,7 @@ class CI_DB_cubrid_driver extends CI_DB { { $sql = 'SHOW TABLES'; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } @@ -464,7 +435,7 @@ class CI_DB_cubrid_driver extends CI_DB { foreach (array_keys($val) as $field) { - if ($field != $index) + if ($field !== $index) { $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; } @@ -480,12 +451,12 @@ class CI_DB_cubrid_driver extends CI_DB { } return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') .$index.' IN ('.implode(',', $ids).')'; } // -------------------------------------------------------------------- - + /** * Limit string * @@ -506,15 +477,14 @@ class CI_DB_cubrid_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @cubrid_close($conn_id); + @cubrid_close($this->conn_id); } } /* End of file cubrid_driver.php */ -/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php index 4e66f81e3..fb9716226 100644 --- a/system/database/drivers/cubrid/cubrid_forge.php +++ b/system/database/drivers/cubrid/cubrid_forge.php @@ -193,7 +193,7 @@ class CI_DB_cubrid_forge extends CI_DB_forge { } return $sql.$this->_process_fields($fields) - .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); + .($after_field !== '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } } diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index 1b18de803..8cbbfa17d 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -244,35 +244,6 @@ class CI_DB_interbase_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $query = $query->row(); - $this->_reset_select(); - return (int) $query->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -284,7 +255,7 @@ class CI_DB_interbase_driver extends CI_DB { { $sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\''; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); } @@ -472,12 +443,11 @@ class CI_DB_interbase_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @ibase_close($conn_id); + @ibase_close($this->conn_id); } } diff --git a/system/database/drivers/interbase/interbase_forge.php b/system/database/drivers/interbase/interbase_forge.php index c850656a8..5470179a1 100644 --- a/system/database/drivers/interbase/interbase_forge.php +++ b/system/database/drivers/interbase/interbase_forge.php @@ -195,7 +195,7 @@ class CI_DB_interbase_forge extends CI_DB_forge { $sql .= " {$column_definition}"; - if ($default_value != '') + if ($default_value !== '') { $sql .= " DEFAULT \"{$default_value}\""; } @@ -209,7 +209,7 @@ class CI_DB_interbase_forge extends CI_DB_forge { $sql .= ' NOT NULL'; } - if ($after_field != '') + if ($after_field !== '') { $sql .= ' AFTER ' . $this->db->protect_identifiers($after_field); } diff --git a/system/database/drivers/interbase/interbase_utility.php b/system/database/drivers/interbase/interbase_utility.php index 1b92af9b6..164211836 100644 --- a/system/database/drivers/interbase/interbase_utility.php +++ b/system/database/drivers/interbase/interbase_utility.php @@ -42,7 +42,7 @@ class CI_DB_interbase_utility extends CI_DB_utility { * @param string $filename * @return mixed */ - protected function backup($filename) + protected function _backup($filename) { if ($service = ibase_service_attach($this->db->hostname, $this->db->username, $this->db->password)) { diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index 1630eb7b6..fff9f92e3 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -288,35 +288,6 @@ class CI_DB_mssql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $row = $query->row(); - $this->_reset_select(); - return (int) $row->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -329,7 +300,7 @@ class CI_DB_mssql_driver extends CI_DB { $sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; // for future compatibility - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE AND $this->dbprefix !== '') { //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); return FALSE; // not currently supported @@ -505,15 +476,14 @@ class CI_DB_mssql_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @mssql_close($conn_id); + @mssql_close($this->conn_id); } } /* End of file mssql_driver.php */ -/* Location: ./system/database/drivers/mssql/mssql_driver.php */ +/* Location: ./system/database/drivers/mssql/mssql_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php index 55557e354..d2a30b20f 100644 --- a/system/database/drivers/mssql/mssql_forge.php +++ b/system/database/drivers/mssql/mssql_forge.php @@ -48,16 +48,13 @@ class CI_DB_mssql_forge extends CI_DB_forge { */ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { - $sql = 'CREATE TABLE '; + $sql = ($if_not_exists === TRUE) + ? "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'".$table."') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\n" + : ''; - if ($if_not_exists === TRUE) - { - $sql .= 'IF NOT EXISTS '; - } + $sql .= 'CREATE TABLE '.$this->db->escape_identifiers($table).' ('; - $sql .= $this->db->escape_identifiers($table).' ('; $current_field_count = 0; - foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is @@ -71,13 +68,30 @@ class CI_DB_mssql_forge extends CI_DB_forge { { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->protect_identifiers($field) - .' '.$attributes['TYPE'] - .( ! empty($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '') - .(( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') - .(isset($attributes['DEFAULT']) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '') - .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') - .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); + $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE']; + + if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT'])) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (isset($attributes['DEFAULT'])) + { + $sql .= " DEFAULT '".$attributes['DEFAULT']."'"; + } + + $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) + ? ' NULL' : ' NOT NULL'; + + if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } } // don't add a comma on the end of the last field @@ -89,21 +103,16 @@ class CI_DB_mssql_forge extends CI_DB_forge { if (count($primary_keys) > 0) { - $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->protect_identifiers($primary_keys)).')'; + $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')'; } if (is_array($keys) && count($keys) > 0) { foreach ($keys as $key) { - if (is_array($key)) - { - $key = $this->db->protect_identifiers($key); - } - else - { - $key = array($this->db->protect_identifiers($key)); - } + $key = is_array($key) + ? $this->db->escape_identifiers($key) + : array($this->db->escape_identifiers($key)); $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')'; } @@ -131,7 +140,7 @@ class CI_DB_mssql_forge extends CI_DB_forge { */ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name); + $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($column_name); // DROP has everything it needs now. if ($alter_type === 'DROP') diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 32c51865d..5937b223b 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -47,7 +47,7 @@ class CI_DB_mysql_driver extends CI_DB { // clause and character used for LIKE escape sequences - not used in MySQL protected $_like_escape_str = ''; - protected $_like_escape_chr = ''; + protected $_like_escape_chr = '\\'; /** * The syntax to count rows is slightly different across different @@ -68,7 +68,7 @@ class CI_DB_mysql_driver extends CI_DB { { parent::__construct($params); - if ($this->port != '') + if ( ! empty($this->port)) { $this->hostname .= ':'.$this->port; } @@ -291,7 +291,9 @@ class CI_DB_mysql_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - return str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; @@ -324,35 +326,6 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $query = $query->row(); - $this->_reset_select(); - return (int) $query->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -364,7 +337,7 @@ class CI_DB_mysql_driver extends CI_DB { { $sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } @@ -397,7 +370,7 @@ class CI_DB_mysql_driver extends CI_DB { */ public function field_data($table = '') { - if ($table == '') + if ($table === '') { return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } @@ -478,7 +451,7 @@ class CI_DB_mysql_driver extends CI_DB { foreach (array_keys($val) as $field) { - if ($field != $index) + if ($field !== $index) { $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; } @@ -494,7 +467,7 @@ class CI_DB_mysql_driver extends CI_DB { } return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') .$index.' IN('.implode(',', $ids).')'; } @@ -520,15 +493,14 @@ class CI_DB_mysql_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @mysql_close($conn_id); + @mysql_close($this->conn_id); } } /* End of file mysql_driver.php */ -/* Location: ./system/database/drivers/mysql/mysql_driver.php */ +/* Location: ./system/database/drivers/mysql/mysql_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index 0e39affa7..ffd374fbf 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.php @@ -178,7 +178,7 @@ class CI_DB_mysql_forge extends CI_DB_forge { } return $sql.$this->_process_fields($fields) - .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); + .($after_field !== '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } } diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index 642323dbd..643682fde 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -76,7 +76,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { // Write out the table schema $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline; - if ($add_drop == TRUE) + if ($add_drop === TRUE) { $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline; } @@ -92,7 +92,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // If inserts are not needed we're done... - if ($add_insert == FALSE) + if ($add_insert === FALSE) { continue; } @@ -100,7 +100,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { // Grab all the data from the current table $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table)); - if ($query->num_rows() == 0) + if ($query->num_rows() === 0) { continue; } @@ -143,7 +143,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { else { // Escape the data if it's not an integer - $val_str .= ($is_int[$i] == FALSE) ? $this->db->escape($v) : $v; + $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v; } // Append a comma diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index e2684e4f2..02f893755 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -47,7 +47,7 @@ class CI_DB_mysqli_driver extends CI_DB { // clause and character used for LIKE escape sequences - not used in MySQL protected $_like_escape_str = ''; - protected $_like_escape_chr = ''; + protected $_like_escape_chr = '\\'; /** * The syntax to count rows is slightly different across different @@ -71,9 +71,9 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function db_connect() { - return ($this->port != '') - ? @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port) - : @new mysqli($this->hostname, $this->username, $this->password, $this->database); + return empty($this->port) + ? @new mysqli($this->hostname, $this->username, $this->password, $this->database) + : @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port); } // -------------------------------------------------------------------- @@ -91,9 +91,9 @@ class CI_DB_mysqli_driver extends CI_DB { return $this->db_connect(); } - return ($this->port != '') - ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port) - : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database); + return empty($this->port) + ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database) + : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port); } // -------------------------------------------------------------------- @@ -291,7 +291,9 @@ class CI_DB_mysqli_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - return str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; @@ -324,35 +326,6 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $query = $query->row(); - $this->_reset_select(); - return (int) $query->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -364,7 +337,7 @@ class CI_DB_mysqli_driver extends CI_DB { { $sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } @@ -397,7 +370,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ public function field_data($table = '') { - if ($table == '') + if ($table === '') { return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } @@ -478,7 +451,7 @@ class CI_DB_mysqli_driver extends CI_DB { foreach (array_keys($val) as $field) { - if ($field != $index) + if ($field !== $index) { $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; } @@ -493,10 +466,10 @@ class CI_DB_mysqli_driver extends CI_DB { .'ELSE '.$k.' END, '; } - $where = ($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : ''; + $where = ($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : ''; return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') .$index.' IN('.implode(',', $ids).')'; } @@ -523,16 +496,14 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Close DB Connection * - * @param object * @return void */ - protected function _close($conn_id) + protected function _close() { $this->conn_id->close(); - $this->conn_id = FALSE; } } /* End of file mysqli_driver.php */ -/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ +/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php index 503574dfc..b00bfde49 100644 --- a/system/database/drivers/mysqli/mysqli_forge.php +++ b/system/database/drivers/mysqli/mysqli_forge.php @@ -179,7 +179,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge { } return $sql.$this->_process_fields($fields) - .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); + .($after_field !== '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } } diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 33a89df94..e78091614 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -262,7 +262,7 @@ class CI_DB_oci8_driver extends CI_DB { */ public function stored_procedure($package, $procedure, $params) { - if ($package == '' OR $procedure == '' OR ! is_array($params)) + if ($package === '' OR $procedure === '' OR ! is_array($params)) { if ($this->db_debug) { @@ -455,35 +455,6 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return int - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query == FALSE) - { - return 0; - } - - $row = $query->row(); - $this->_reset_select(); - return (int) $row->numrows; - } - - // -------------------------------------------------------------------- - - /** * Show table query * * Generates a platform-specific query string so that the table names can be fetched @@ -495,7 +466,7 @@ class CI_DB_oci8_driver extends CI_DB { { $sql = 'SELECT TABLE_NAME FROM ALL_TABLES'; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql." WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); } @@ -663,7 +634,7 @@ class CI_DB_oci8_driver extends CI_DB { { $this->limit_used = TRUE; return 'SELECT * FROM (SELECT inner_query.*, rownum rnum FROM ('.$sql.') inner_query WHERE rownum < '.($offset + $limit).')' - .($offset != 0 ? ' WHERE rnum >= '.$offset : ''); + .($offset !== 0 ? ' WHERE rnum >= '.$offset : ''); } // -------------------------------------------------------------------- @@ -671,15 +642,14 @@ class CI_DB_oci8_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @oci_close($conn_id); + @oci_close($this->conn_id); } } /* End of file oci8_driver.php */ -/* Location: ./system/database/drivers/oci8/oci8_driver.php */ +/* Location: ./system/database/drivers/oci8/oci8_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php index bd265b6e0..837e7eaad 100644 --- a/system/database/drivers/oci8/oci8_forge.php +++ b/system/database/drivers/oci8/oci8_forge.php @@ -141,9 +141,9 @@ class CI_DB_oci8_forge extends CI_DB_forge { } return $sql.' '.$column_definition - .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '') + .($default_value !== '' ? ' DEFAULT "'.$default_value.'"' : '') .($null === NULL ? ' NULL' : ' NOT NULL') - .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); + .($after_field !== '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php index 7b05e0a43..6fb6c81f1 100644 --- a/system/database/drivers/oci8/oci8_result.php +++ b/system/database/drivers/oci8/oci8_result.php @@ -419,7 +419,7 @@ class CI_DB_oci8_result extends CI_DB_result { OR $n < $this->current_row) { // No such row exists - return array(); + return NULL; } // Get the next row index that would actually need to be fetched @@ -460,7 +460,7 @@ class CI_DB_oci8_result extends CI_DB_result { $this->num_rows = 0; } - return array(); + return NULL; } $this->current_row = $n; @@ -507,7 +507,7 @@ class CI_DB_oci8_result extends CI_DB_result { return (object) $row; } - return array(); + return NULL; } // -------------------------------------------------------------------- @@ -539,19 +539,19 @@ class CI_DB_oci8_result extends CI_DB_result { } else { - return array(); + return NULL; } } elseif ( ! class_exists($class_name)) // No such class exists { - return array(); + return NULL; } $row = $this->row_array($n); - // An array would mean that the row doesn't exist - if (is_array($row)) + // A non-array would mean that the row doesn't exist + if ( ! is_array($row)) { - return $row; + return NULL; } // Convert to the desired class and return diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index e36f2d233..c3735da05 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -64,7 +64,7 @@ class CI_DB_odbc_driver extends CI_DB { $this->_random_keyword = ' RND('.time().')'; // database specific random keyword // Legacy support for DSN in the hostname field - if ($this->dsn == '') + if (empty($this->dsn)) { $this->dsn = $this->hostname; } @@ -245,36 +245,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string . $this->protect_identifiers('numrows') . " FROM " . $this->protect_identifiers($table, TRUE, NULL, FALSE)); - - if ($query->num_rows() == 0) - { - return 0; - } - - $row = $query->row(); - $this->_reset_select(); - return (int) $row->numrows; - } - - // -------------------------------------------------------------------- - - /** * Show table query * * Generates a platform-specific query string so that the table names can be fetched @@ -284,9 +254,9 @@ class CI_DB_odbc_driver extends CI_DB { */ protected function _list_tables($prefix_limit = FALSE) { - $sql = "SHOW TABLES FROM `".$this->database."`"; + $sql = 'SHOW TABLES FROM '.$this->database; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); return FALSE; // not currently supported @@ -402,15 +372,14 @@ class CI_DB_odbc_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @odbc_close($conn_id); + @odbc_close($this->conn_id); } } /* End of file odbc_driver.php */ -/* Location: ./system/database/drivers/odbc/odbc_driver.php */ +/* Location: ./system/database/drivers/odbc/odbc_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php index d59b8a911..ce7a1d2ef 100644 --- a/system/database/drivers/odbc/odbc_forge.php +++ b/system/database/drivers/odbc/odbc_forge.php @@ -163,14 +163,14 @@ class CI_DB_odbc_forge extends CI_DB_forge { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name); // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { return $sql; } $sql .= " $column_definition"; - if ($default_value != '') + if ($default_value !== '') { $sql .= " DEFAULT \"$default_value\""; } @@ -184,7 +184,7 @@ class CI_DB_odbc_forge extends CI_DB_forge { $sql .= ' NOT NULL'; } - if ($after_field != '') + if ($after_field !== '') { return $sql.' AFTER '.$this->db->protect_identifiers($after_field); } diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 89e69676d..b4ad52a45 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -65,7 +65,7 @@ class CI_DB_pdo_driver extends CI_DB { { parent::__construct($params); - if (preg_match('/([^;]+):/', $this->dsn, $match) && count($match) == 2) + if (preg_match('/([^;]+):/', $this->dsn, $match) && count($match) === 2) { // If there is a minimum valid dsn string pattern found, we're done // This is for general PDO users, who tend to have a full DSN string. @@ -79,13 +79,13 @@ class CI_DB_pdo_driver extends CI_DB { // clause and character used for LIKE escape sequences // this one depends on the driver being used - if ($this->pdodriver == 'mysql') + if ($this->pdodriver === 'mysql') { $this->_escape_char = '`'; $this->_like_escape_str = ''; - $this->_like_escape_chr = ''; + $this->_like_escape_chr = '\\'; } - elseif ($this->pdodriver == 'odbc') + elseif ($this->pdodriver === 'odbc') { $this->_like_escape_str = " {escape '%s'} "; } @@ -409,38 +409,6 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $sql = $this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE); - $query = $this->query($sql); - - if ($query->num_rows() == 0) - { - return 0; - } - - $row = $query->row(); - $this->_reset_select(); - - return (int) $row->numrows; - } - - // -------------------------------------------------------------------- - - /** * Show table query * * Generates a platform-specific query string so that the table names can be fetched @@ -450,12 +418,12 @@ class CI_DB_pdo_driver extends CI_DB { */ protected function _list_tables($prefix_limit = FALSE) { - if ($this->pdodriver == 'pgsql') + if ($this->pdodriver === 'pgsql') { // Analog function to show all tables in postgre $sql = "SELECT * FROM information_schema.tables WHERE table_schema = 'public'"; } - elseif ($this->pdodriver == 'sqlite') + elseif ($this->pdodriver === 'sqlite') { // Analog function to show all tables in sqlite $sql = "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'"; @@ -465,7 +433,7 @@ class CI_DB_pdo_driver extends CI_DB { $sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database); } - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE AND $this->dbprefix !== '') { return FALSE; } @@ -500,17 +468,17 @@ class CI_DB_pdo_driver extends CI_DB { */ protected function _field_data($table) { - if ($this->pdodriver == 'mysql' or $this->pdodriver == 'pgsql') + if ($this->pdodriver === 'mysql' or $this->pdodriver === 'pgsql') { // Analog function for mysql and postgre return 'SELECT * FROM '.$this->escape_identifiers($table).' LIMIT 1'; } - elseif ($this->pdodriver == 'oci') + elseif ($this->pdodriver === 'oci') { // Analog function for oci return 'SELECT * FROM '.$this->escape_identifiers($table).' WHERE ROWNUM <= 1'; } - elseif ($this->pdodriver == 'sqlite') + elseif ($this->pdodriver === 'sqlite') { // Analog function for sqlite return 'PRAGMA table_info('.$this->escape_identifiers($table).')'; @@ -584,7 +552,7 @@ class CI_DB_pdo_driver extends CI_DB { protected function _update_batch($table, $values, $index, $where = NULL) { $ids = array(); - $where = ($where != '' && count($where) >=1) ? implode(" ", $where).' AND ' : ''; + $where = ($where !== '' && count($where) >=1) ? implode(" ", $where).' AND ' : ''; foreach ($values as $key => $val) { @@ -592,7 +560,7 @@ class CI_DB_pdo_driver extends CI_DB { foreach (array_keys($val) as $field) { - if ($field != $index) + if ($field !== $index) { $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; } @@ -652,7 +620,7 @@ class CI_DB_pdo_driver extends CI_DB { */ protected function _limit($sql, $limit, $offset) { - if ($this->pdodriver == 'cubrid' OR $this->pdodriver == 'sqlite') + if ($this->pdodriver === 'cubrid' OR $this->pdodriver === 'sqlite') { $offset = ($offset == 0) ? '' : $offset.', '; @@ -667,20 +635,7 @@ class CI_DB_pdo_driver extends CI_DB { } } - // -------------------------------------------------------------------- - - /** - * Close DB Connection - * - * @param object - * @return void - */ - protected function _close($conn_id) - { - $this->conn_id = NULL; - } - } /* End of file pdo_driver.php */ -/* Location: ./system/database/drivers/pdo/pdo_driver.php */ +/* Location: ./system/database/drivers/pdo/pdo_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php index ca8657a0f..aee8f718a 100644 --- a/system/database/drivers/pdo/pdo_forge.php +++ b/system/database/drivers/pdo/pdo_forge.php @@ -80,7 +80,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { if (array_key_exists('CONSTRAINT', $attributes)) { // Exception for Postgre numeric which not too happy with constraint within those type - if ( ! ($this->db->pdodriver == 'pgsql' && in_array($attributes['TYPE'], $numeric))) + if ( ! ($this->db->pdodriver === 'pgsql' && in_array($attributes['TYPE'], $numeric))) { $sql .= '('.$attributes['CONSTRAINT'].')'; } @@ -168,14 +168,14 @@ class CI_DB_pdo_forge extends CI_DB_forge { $sql = 'ALTER TABLE `'.$this->db->protect_identifiers($table).'` '.$alter_type.' '.$this->db->protect_identifiers($column_name); // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { return $sql; } $sql .= " $column_definition"; - if ($default_value != '') + if ($default_value !== '') { $sql .= " DEFAULT \"$default_value\""; } @@ -189,7 +189,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { $sql .= ' NOT NULL'; } - if ($after_field != '') + if ($after_field !== '') { return $sql.' AFTER '.$this->db->protect_identifiers($after_field); } diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php index 19aee1dfc..0b8937cc5 100644 --- a/system/database/drivers/pdo/pdo_result.php +++ b/system/database/drivers/pdo/pdo_result.php @@ -84,19 +84,14 @@ class CI_DB_pdo_result extends CI_DB_result { // Define the output $output = array('assoc', 'object'); + // Initial value + $this->result_assoc = array() and $this->result_object = array(); + // Fetch the result - foreach ($output as $type) + while ($row = $this->_fetch_assoc()) { - // Define the method and handler - $res_method = '_fetch_'.$type; - $res_handler = 'result_'.$type; - - $this->$res_handler = array(); - - while ($row = $this->$res_method()) - { - $this->{$res_handler}[] = $row; - } + $this->result_assoc[] = $row; + $this->result_object[] = (object) $row; } // Save this as buffer and marked the fetch flag @@ -249,7 +244,7 @@ class CI_DB_pdo_result extends CI_DB_result { */ protected function _fetch_object() { - return $this->result_id->fetchObject(); + return $this->result_id->fetch(PDO::FETCH_OBJ); } } diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 84bf768ee..e5d861bd9 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -311,6 +311,27 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** + * "Smart" Escape String + * + * Escapes data based on type + * Sets boolean and null types + * + * @param string + * @return mixed + */ + public function escape($str) + { + if (is_bool($str)) + { + return ($str) ? 'TRUE' : 'FALSE'; + } + + return parent::escape($str); + } + + // -------------------------------------------------------------------- + + /** * Affected Rows * * @return int @@ -335,13 +356,13 @@ class CI_DB_postgre_driver extends CI_DB { $table = (func_num_args() > 0) ? func_get_arg(0) : NULL; $column = (func_num_args() > 1) ? func_get_arg(1) : NULL; - if ($table == NULL && $v >= '8.1') + if ($table === NULL && $v >= '8.1') { $sql = 'SELECT LASTVAL() AS ins_id'; } - elseif ($table != NULL) + elseif ($table !== NULL) { - if ($column != NULL && $v >= '8.0') + if ($column !== NULL && $v >= '8.0') { $sql = 'SELECT pg_get_serial_sequence(\''.$table."', '".$column."') AS seq"; $query = $this->query($sql); @@ -369,35 +390,6 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $query = $query->row(); - $this->_reset_select(); - return (int) $query->numrows; - } - - // -------------------------------------------------------------------- - - /** * Show table query * * Generates a platform-specific query string so that the table names can be fetched @@ -409,7 +401,7 @@ class CI_DB_postgre_driver extends CI_DB { { $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); } @@ -518,6 +510,47 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + protected function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field !== $index) + { + $final[$field][] = 'WHEN '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $cases = ''; + foreach ($final as $k => $v) + { + $cases .= $k.' = (CASE '.$k."\n" + .implode("\n", $v)."\n" + .'ELSE '.$k.' END), '; + } + + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) + .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .$index.' IN('.implode(',', $ids).')'; + } + + // -------------------------------------------------------------------- + + /** * Delete statement * * Generates a platform-specific delete string from the supplied data @@ -558,17 +591,88 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** + * Where + * + * Called by where() or or_where() + * + * @param mixed + * @param mixed + * @param string + * @return object + * + */ + protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) + { + $type = $this->_group_get_type($type); + + if ( ! is_array($key)) + { + $key = array($key => $value); + } + + // If the escape value was not set will will base it on the global setting + if ( ! is_bool($escape)) + { + $escape = $this->_protect_identifiers; + } + + foreach ($key as $k => $v) + { + $prefix = (count($this->qb_where) === 0 && count($this->qb_cache_where) === 0) ? '' : $type; + + if (is_null($v) && ! $this->_has_operator($k)) + { + // value appears not to have been set, assign the test to IS NULL + $k .= ' IS NULL'; + } + + if ( ! is_null($v)) + { + if ($escape === TRUE) + { + $k = $this->protect_identifiers($k, FALSE, $escape); + $v = ' '.$this->escape($v); + } + elseif (is_bool($v)) + { + $v = ($v ? ' TRUE' : ' FALSE'); + } + + if ( ! $this->_has_operator($k)) + { + $k .= ' = '; + } + } + else + { + $k = $this->protect_identifiers($k, FALSE, $escape); + } + + $this->qb_where[] = $prefix.$k.$v; + if ($this->qb_caching === TRUE) + { + $this->qb_cache_where[] = $prefix.$k.$v; + $this->qb_cache_exists[] = 'where'; + } + + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @pg_close($conn_id); + @pg_close($this->conn_id); } } /* End of file postgre_driver.php */ -/* Location: ./system/database/drivers/postgre/postgre_driver.php */ +/* Location: ./system/database/drivers/postgre/postgre_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php index 94c97af50..af1c45f9b 100644 --- a/system/database/drivers/postgre/postgre_forge.php +++ b/system/database/drivers/postgre/postgre_forge.php @@ -214,7 +214,7 @@ class CI_DB_postgre_forge extends CI_DB_forge { } return $sql.$this->_process_fields($fields) - .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); + .($after_field !== '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } } diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 551704f83..58bb5f2a7 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -43,7 +43,7 @@ class CI_DB_sqlite_driver extends CI_DB { public $dbdriver = 'sqlite'; // The character used to escape with - not needed for SQLite - protected $_escape_char = ''; + protected $_escape_char = '"'; // clause and character used for LIKE escape sequences protected $_like_escape_str = " ESCAPE '%s' "; @@ -127,7 +127,9 @@ class CI_DB_sqlite_driver extends CI_DB { */ protected function _execute($sql) { - return @sqlite_query($this->conn_id, $sql); + return $this->is_write_type($sql) + ? @sqlite_exec($this->conn_id, $sql) + : @sqlite_query($this->conn_id, $sql); } // -------------------------------------------------------------------- @@ -139,13 +141,8 @@ class CI_DB_sqlite_driver extends CI_DB { */ public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -153,7 +150,7 @@ class CI_DB_sqlite_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); $this->simple_query('BEGIN TRANSACTION'); return TRUE; @@ -168,13 +165,8 @@ class CI_DB_sqlite_driver extends CI_DB { */ public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -192,13 +184,8 @@ class CI_DB_sqlite_driver extends CI_DB { */ public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -268,35 +255,6 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $row = $query->row(); - $this->_reset_select(); - return (int) $row->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -306,12 +264,13 @@ class CI_DB_sqlite_driver extends CI_DB { */ protected function _list_tables($prefix_limit = FALSE) { - $sql = "SELECT name from sqlite_master WHERE type='table'"; + $sql = "SELECT name FROM sqlite_master WHERE type='table'"; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix != '') { - $sql .= " AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return $sql." AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); } + return $sql; } @@ -343,7 +302,7 @@ class CI_DB_sqlite_driver extends CI_DB { */ protected function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return 'SELECT * FROM '.$this->escape_identifiers($table).' LIMIT 1'; } // -------------------------------------------------------------------- @@ -433,16 +392,7 @@ class CI_DB_sqlite_driver extends CI_DB { */ protected function _limit($sql, $limit, $offset) { - if ($offset == 0) - { - $offset = ''; - } - else - { - $offset .= ", "; - } - - return $sql."LIMIT ".$offset.$limit; + return $sql.'LIMIT '.($offset == 0 ? '' : $offset.', ').$limit; } // -------------------------------------------------------------------- @@ -450,15 +400,14 @@ class CI_DB_sqlite_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @sqlite_close($conn_id); + @sqlite_close($this->conn_id); } } /* End of file sqlite_driver.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ +/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php index dd6f0f78d..f8cfdf3ba 100644 --- a/system/database/drivers/sqlite/sqlite_forge.php +++ b/system/database/drivers/sqlite/sqlite_forge.php @@ -97,41 +97,31 @@ class CI_DB_sqlite_forge extends CI_DB_forge { // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->protect_identifiers($field); + $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE']; - $sql .= ' '.$attributes['TYPE']; + empty($attributes['CONSTRAINT']) OR $sql .= '('.$attributes['CONSTRAINT'].')'; - if (array_key_exists('CONSTRAINT', $attributes)) - { - $sql .= '('.$attributes['CONSTRAINT'].')'; - } - - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) { $sql .= ' UNSIGNED'; } - if (array_key_exists('DEFAULT', $attributes)) + if (isset($attributes['DEFAULT'])) { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + $sql .= " DEFAULT '".$attributes['DEFAULT']."'"; } - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) + ? ' NULL' : ' NOT NULL'; + + if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) { $sql .= ' AUTO_INCREMENT'; } @@ -146,30 +136,22 @@ class CI_DB_sqlite_forge extends CI_DB_forge { if (count($primary_keys) > 0) { - $primary_keys = $this->db->protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->db->escape_identifiers($primary_keys)).')'; } if (is_array($keys) && count($keys) > 0) { foreach ($keys as $key) { - if (is_array($key)) - { - $key = $this->db->protect_identifiers($key); - } - else - { - $key = array($this->db->protect_identifiers($key)); - } + $key = is_array($key) + ? $this->db->escape_identifiers($key) + : array($this->db->escape_identifiers($key); - $sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")"; + $sql .= ",\n\tUNIQUE (".implode(', ', $key).')'; } } - $sql .= "\n)"; - - return $sql; + return $sql."\n)"; } // -------------------------------------------------------------------- @@ -191,40 +173,21 @@ class CI_DB_sqlite_forge extends CI_DB_forge { */ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name); - - // DROP has everything it needs now. - if ($alter_type == 'DROP') + /* SQLite only supports adding new columns and it does + * NOT support the AFTER statement. Each new column will + * be added as the last one in the table. + */ + if ($alter_type !== 'ADD COLUMN') { - // SQLite does not support dropping columns - // http://www.sqlite.org/omitted.html - // http://www.sqlite.org/faq.html#q11 + // Not supported return FALSE; } - $sql .= " $column_definition"; - - if ($default_value != '') - { - $sql .= " DEFAULT \"$default_value\""; - } - - if ($null === NULL) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if ($after_field != '') - { - return $sql.' AFTER '.$this->db->protect_identifiers($after_field); - } - - return $sql; - + return 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name) + .' '.$column_definition + .($default_value != '' ? " DEFAULT '".$default_value."'" : '') + // If NOT NULL is specified, the field must have a DEFAULT value other than NULL + .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL'); } } diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php index d22f6a442..2acefbcf4 100644 --- a/system/database/drivers/sqlite3/sqlite3_driver.php +++ b/system/database/drivers/sqlite3/sqlite3_driver.php @@ -87,7 +87,7 @@ class CI_DB_sqlite3_driver extends CI_DB { public function db_pconnect() { log_message('debug', 'SQLite3 doesn\'t support persistent connections'); - return $this->db_pconnect(); + return $this->db_connect(); } // -------------------------------------------------------------------- @@ -104,7 +104,7 @@ class CI_DB_sqlite3_driver extends CI_DB { return $this->data_cache['version']; } - $version = $this->conn_id->version(); + $version = SQLite3::version(); return $this->data_cache['version'] = $version['versionString']; } @@ -245,30 +245,6 @@ class CI_DB_sqlite3_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return int - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $result = $this->conn_id->querySingle($this->_count_string.$this->protect_identifiers('numrows') - .' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - - return empty($result) ? 0 : (int) $result; - } - - // -------------------------------------------------------------------- - - /** * Show table query * * Generates a platform-specific query string so that the table names can be fetched @@ -417,10 +393,9 @@ class CI_DB_sqlite3_driver extends CI_DB { /** * Close DB Connection * - * @param object (ignored) * @return void */ - protected function _close($conn_id) + protected function _close() { $this->conn_id->close(); } diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php index 20f1e6f63..0a5dc9211 100644 --- a/system/database/drivers/sqlite3/sqlite3_forge.php +++ b/system/database/drivers/sqlite3/sqlite3_forge.php @@ -184,7 +184,7 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { return 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name) .' '.$column_definition - .($default_value != '' ? ' DEFAULT '.$default_value : '') + .($default_value !== '' ? ' DEFAULT '.$default_value : '') // If NOT NULL is specified, the field must have a DEFAULT value other than NULL .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL'); } diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php index d83d6b2cd..946b36557 100644 --- a/system/database/drivers/sqlite3/sqlite3_result.php +++ b/system/database/drivers/sqlite3/sqlite3_result.php @@ -386,7 +386,7 @@ class CI_DB_sqlite3_result extends CI_DB_result { OR count($this->result_array) > 0 OR $n < $this->current_row) { // No such row exists - return array(); + return NULL; } // Get the next row index that would actually need to be fetched @@ -427,7 +427,7 @@ class CI_DB_sqlite3_result extends CI_DB_result { $this->num_rows = 0; } - return array(); + return NULL; } $this->current_row = $n; @@ -469,7 +469,7 @@ class CI_DB_sqlite3_result extends CI_DB_result { return (object) $row; } - return array(); + return NULL; } // -------------------------------------------------------------------- @@ -501,19 +501,19 @@ class CI_DB_sqlite3_result extends CI_DB_result { } else { - return array(); + return NULL; } } elseif ( ! class_exists($class_name)) // No such class exists { - return array(); + return NULL; } $row = $this->row_array($n); - // An array would mean that the row doesn't exist - if (is_array($row)) + // A non-array would mean that the row doesn't exist + if ( ! is_array($row)) { - return $row; + return NULL; } // Convert to the desired class and return diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 8cc500f55..961066da7 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -132,11 +132,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { */ protected function _execute($sql) { - return sqlsrv_query($this->conn_id, - $sql, - NULL, - array('Scrollable'=> SQLSRV_CURSOR_STATIC, 'SendStreamParamsAtExec' => TRUE) - ); + return (is_write_type($sql) && stripos($sql, 'INSERT') === FALSE) + ? sqlsrv_query($this->conn_id, $sql) + : sqlsrv_query($this->conn_id, $sql, NULL, array('Scrollable' => SQLSRV_CURSOR_STATIC)); } // -------------------------------------------------------------------- @@ -237,7 +235,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { */ public function affected_rows() { - return @sqlrv_rows_affected($this->conn_id); + return sqlrv_rows_affected($this->result_id); } // -------------------------------------------------------------------- @@ -281,35 +279,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return int - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table); - if ($query->num_rows() == 0) - { - return 0; - } - - $row = $query->row(); - $this->_reset_select(); - return (int) $row->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -510,15 +479,14 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @sqlsrv_close($conn_id); + @sqlsrv_close($this->conn_id); } } /* End of file sqlsrv_driver.php */ -/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ +/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index e9143b269..d8b5193fa 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -48,16 +48,13 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { */ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { - $sql = 'CREATE TABLE '; + $sql = ($if_not_exists === TRUE) + ? "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'".$table."') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\n" + : ''; - if ($if_not_exists === TRUE) - { - $sql .= 'IF NOT EXISTS '; - } + $sql .= 'CREATE TABLE '.$this->db->escape_identifiers($table).' ('; - $sql .= $this->db->escape_identifiers($table).' ('; $current_field_count = 0; - foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is @@ -65,17 +62,15 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->protect_identifiers($field); + $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE']; - $sql .= ' '.$attributes['TYPE']; - - if (array_key_exists('CONSTRAINT', $attributes)) + if (stripos($attributes['TYPE'], 'INT') === FALSE && ! empty($attributes['CONSTRAINT'])) { $sql .= '('.$attributes['CONSTRAINT'].')'; } @@ -115,7 +110,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { if (count($primary_keys) > 0) { $primary_keys = $this->db->protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')'; } if (is_array($keys) && count($keys) > 0) @@ -131,13 +126,11 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $key = array($this->db->protect_identifiers($key)); } - $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')'; } } - $sql .= "\n)"; - - return $sql; + return $sql."\n)"; } // -------------------------------------------------------------------- @@ -162,34 +155,26 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name); // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { return $sql; } - $sql .= " $column_definition"; + $sql .= ' '.$column_definition; - if ($default_value != '') + if ($default_value !== '') { - $sql .= " DEFAULT \"$default_value\""; + $sql .= " DEFAULT '".$default_value."'"; } - if ($null === NULL) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } + $sql .= ($null === NULL) ? ' NULL' : ' NOT NULL'; - if ($after_field != '') + if ($after_field !== '') { return $sql.' AFTER '.$this->db->protect_identifiers($after_field); } return $sql; - } } |