diff options
Diffstat (limited to 'system/database')
| -rw-r--r-- | system/database/DB_active_rec.php | 286 | ||||
| -rw-r--r-- | system/database/DB_driver.php | 2 | ||||
| -rw-r--r-- | system/database/drivers/cubrid/cubrid_driver.php | 791 | ||||
| -rw-r--r-- | system/database/drivers/cubrid/cubrid_forge.php | 288 | ||||
| -rw-r--r-- | system/database/drivers/cubrid/cubrid_result.php | 202 | ||||
| -rw-r--r-- | system/database/drivers/cubrid/cubrid_utility.php | 108 | ||||
| -rw-r--r-- | system/database/drivers/cubrid/index.html | 10 | ||||
| -rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 11 | ||||
| -rw-r--r-- | system/database/drivers/mysql/mysql_forge.php | 8 | ||||
| -rw-r--r-- | system/database/drivers/mysql/mysql_utility.php | 2 | ||||
| -rw-r--r-- | system/database/drivers/mysqli/mysqli_driver.php | 11 | ||||
| -rw-r--r-- | system/database/drivers/mysqli/mysqli_forge.php | 8 |
12 files changed, 1552 insertions, 175 deletions
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php index 52bad260a..7bab729f5 100644 --- a/system/database/DB_active_rec.php +++ b/system/database/DB_active_rec.php @@ -69,11 +69,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates the SELECT portion of the query * - * @access public * @param string * @return object */ - function select($select = '*', $escape = NULL) + public function select($select = '*', $escape = NULL) { if (is_string($select)) { @@ -107,12 +106,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT MAX(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_max($select = '', $alias = '') + public function select_max($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'MAX'); } @@ -124,12 +122,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT MIN(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_min($select = '', $alias = '') + public function select_min($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'MIN'); } @@ -141,12 +138,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT AVG(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_avg($select = '', $alias = '') + public function select_avg($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'AVG'); } @@ -158,12 +154,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT SUM(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_sum($select = '', $alias = '') + public function select_sum($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'SUM'); } @@ -178,12 +173,11 @@ class CI_DB_active_record extends CI_DB_driver { * select_avg() * select_sum() * - * @access public * @param string the field * @param string an alias * @return object */ - function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX') + protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX') { if ( ! is_string($select) OR $select == '') { @@ -220,11 +214,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * Determines the alias name based on the table * - * @access private * @param string * @return string */ - function _create_alias_from_table($item) + protected function _create_alias_from_table($item) { if (strpos($item, '.') !== FALSE) { @@ -241,11 +234,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Sets a flag which tells the query string compiler to add DISTINCT * - * @access public * @param bool * @return object */ - function distinct($val = TRUE) + public function distinct($val = TRUE) { $this->ar_distinct = (is_bool($val)) ? $val : TRUE; return $this; @@ -258,11 +250,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates the FROM portion of the query * - * @access public * @param mixed can be a string or array * @return object */ - function from($from) + public function from($from) { foreach ((array)$from as $val) { @@ -311,13 +302,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates the JOIN portion of the query * - * @access public * @param string * @param string the join condition * @param string the type of join * @return object */ - function join($table, $cond, $type = '') + public function join($table, $cond, $type = '') { if ($type != '') { @@ -367,12 +357,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates the WHERE portion of the query. Separates * multiple calls with AND * - * @access public * @param mixed * @param mixed * @return object */ - function where($key, $value = NULL, $escape = TRUE) + public function where($key, $value = NULL, $escape = TRUE) { return $this->_where($key, $value, 'AND ', $escape); } @@ -385,12 +374,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates the WHERE portion of the query. Separates * multiple calls with OR * - * @access public * @param mixed * @param mixed * @return object */ - function or_where($key, $value = NULL, $escape = TRUE) + public function or_where($key, $value = NULL, $escape = TRUE) { return $this->_where($key, $value, 'OR ', $escape); } @@ -400,15 +388,14 @@ class CI_DB_active_record extends CI_DB_driver { /** * Where * - * Called by where() or orwhere() + * Called by where() or or_where() * - * @access private * @param mixed * @param mixed * @param string * @return object */ - function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) + protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) { if ( ! is_array($key)) { @@ -471,12 +458,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field IN ('item', 'item') SQL query joined with * AND if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function where_in($key = NULL, $values = NULL) + public function where_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values); } @@ -489,12 +475,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field IN ('item', 'item') SQL query joined with * OR if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function or_where_in($key = NULL, $values = NULL) + public function or_where_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values, FALSE, 'OR '); } @@ -507,12 +492,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field NOT IN ('item', 'item') SQL query joined * with AND if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function where_not_in($key = NULL, $values = NULL) + public function where_not_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values, TRUE); } @@ -525,12 +509,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field NOT IN ('item', 'item') SQL query joined * with OR if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function or_where_not_in($key = NULL, $values = NULL) + public function or_where_not_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values, TRUE, 'OR '); } @@ -542,14 +525,13 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by where_in, where_in_or, where_not_in, where_not_in_or * - * @access public * @param string The field to search * @param array The values searched on * @param boolean If the statement would be IN or NOT IN * @param string * @return object */ - function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ') + protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ') { if ($key === NULL OR $values === NULL) { @@ -592,12 +574,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a %LIKE% portion of the query. Separates * multiple calls with AND * - * @access public * @param mixed * @param mixed * @return object */ - function like($field, $match = '', $side = 'both') + public function like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'AND ', $side); } @@ -610,12 +591,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a NOT LIKE portion of the query. Separates * multiple calls with AND * - * @access public * @param mixed * @param mixed * @return object */ - function not_like($field, $match = '', $side = 'both') + public function not_like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'AND ', $side, 'NOT'); } @@ -628,12 +608,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a %LIKE% portion of the query. Separates * multiple calls with OR * - * @access public * @param mixed * @param mixed * @return object */ - function or_like($field, $match = '', $side = 'both') + public function or_like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'OR ', $side); } @@ -646,12 +625,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a NOT LIKE portion of the query. Separates * multiple calls with OR * - * @access public * @param mixed * @param mixed * @return object */ - function or_not_like($field, $match = '', $side = 'both') + public function or_not_like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'OR ', $side, 'NOT'); } @@ -663,13 +641,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by like() or orlike() * - * @access private * @param mixed * @param mixed * @param string * @return object */ - function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '') + protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '') { if ( ! is_array($field)) { @@ -719,11 +696,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * GROUP BY * - * @access public * @param string * @return object */ - function group_by($by) + public function group_by($by) { if (is_string($by)) { @@ -755,12 +731,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Separates multiple calls with AND * - * @access public * @param string * @param string * @return object */ - function having($key, $value = '', $escape = TRUE) + public function having($key, $value = '', $escape = TRUE) { return $this->_having($key, $value, 'AND ', $escape); } @@ -772,12 +747,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Separates multiple calls with OR * - * @access public * @param string * @param string * @return object */ - function or_having($key, $value = '', $escape = TRUE) + public function or_having($key, $value = '', $escape = TRUE) { return $this->_having($key, $value, 'OR ', $escape); } @@ -789,12 +763,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by having() or or_having() * - * @access private * @param string * @param string * @return object */ - function _having($key, $value = '', $type = 'AND ', $escape = TRUE) + protected function _having($key, $value = '', $type = 'AND ', $escape = TRUE) { if ( ! is_array($key)) { @@ -817,7 +790,7 @@ class CI_DB_active_record extends CI_DB_driver { if ($v != '') { - $v = ' '.$this->escape_str($v); + $v = ' '.$this->escape($v); } $this->ar_having[] = $prefix.$k.$v; @@ -836,12 +809,11 @@ class CI_DB_active_record extends CI_DB_driver { /** * Sets the ORDER BY value * - * @access public * @param string * @param string direction: asc or desc * @return object */ - function order_by($orderby, $direction = '') + public function order_by($orderby, $direction = '') { if (strtolower($direction) == 'random') { @@ -892,18 +864,17 @@ class CI_DB_active_record extends CI_DB_driver { /** * Sets the LIMIT value * - * @access public * @param integer the limit value * @param integer the offset value * @return object */ - function limit($value, $offset = '') + public function limit($value, $offset = '') { - $this->ar_limit = $value; + $this->ar_limit = (int) $value; if ($offset != '') { - $this->ar_offset = $offset; + $this->ar_offset = (int) $offset; } return $this; @@ -914,11 +885,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * Sets the OFFSET value * - * @access public * @param integer the offset value * @return object */ - function offset($offset) + public function offset($offset) { $this->ar_offset = $offset; return $this; @@ -929,13 +899,12 @@ class CI_DB_active_record extends CI_DB_driver { /** * The "set" function. Allows key/value pairs to be set for inserting or updating * - * @access public * @param mixed * @param string * @param boolean * @return object */ - function set($key, $value = '', $escape = TRUE) + public function set($key, $value = '', $escape = TRUE) { $key = $this->_object_to_array($key); @@ -967,13 +936,12 @@ class CI_DB_active_record extends CI_DB_driver { * Compiles the select statement based on the other functions called * and runs the query * - * @access public * @param string the table * @param string the limit clause * @param string the offset clause * @return object */ - function get($table = '', $limit = null, $offset = null) + public function get($table = '', $limit = null, $offset = null) { if ($table != '') { @@ -999,11 +967,10 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a platform-specific query string that counts all records * returned by an Active Record query. * - * @access public * @param string * @return string */ - function count_all_results($table = '') + public function count_all_results($table = '') { if ($table != '') { @@ -1032,13 +999,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Allows the where clause, limit and offset to be added directly * - * @access public * @param string the where clause * @param string the limit clause * @param string the offset clause * @return object */ - function get_where($table = '', $where = null, $limit = null, $offset = null) + public function get_where($table = '', $where = null, $limit = null, $offset = null) { if ($table != '') { @@ -1069,12 +1035,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles batch insert strings and runs the queries * - * @access public * @param string the table to retrieve the results from * @param array an associative array of insert values * @return object */ - function insert_batch($table = '', $set = NULL) + public function insert_batch($table = '', $set = NULL) { if ( ! is_null($set)) { @@ -1127,14 +1092,12 @@ class CI_DB_active_record extends CI_DB_driver { /** * The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts * - * @access public * @param mixed * @param string * @param boolean * @return object */ - - function set_insert_batch($key, $value = '', $escape = TRUE) + public function set_insert_batch($key, $value = '', $escape = TRUE) { $key = $this->_object_to_array_batch($key); @@ -1189,8 +1152,7 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles an insert string and runs the query * - * @access public - * @param string the table to retrieve the results from + * @param string the table to insert data into * @param array an associative array of insert values * @return object */ @@ -1230,7 +1192,18 @@ class CI_DB_active_record extends CI_DB_driver { return $this->query($sql); } - function replace($table = '', $set = NULL) + // -------------------------------------------------------------------- + + /** + * Replace + * + * Compiles an replace into string and runs the query + * + * @param string the table to replace data into + * @param array an associative array of insert values + * @return object + */ + public function replace($table = '', $set = NULL) { if ( ! is_null($set)) { @@ -1273,13 +1246,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles an update string and runs the query * - * @access public * @param string the table to retrieve the results from * @param array an associative array of update values * @param mixed the where clause * @return object */ - function update($table = '', $set = NULL, $where = NULL, $limit = NULL) + public function update($table = '', $set = NULL, $where = NULL, $limit = NULL) { // Combine any cached components with the current statements $this->_merge_cache(); @@ -1336,13 +1308,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles an update string and runs the query * - * @access public * @param string the table to retrieve the results from * @param array an associative array of update values * @param string the where key * @return object */ - function update_batch($table = '', $set = NULL, $index = NULL) + public function update_batch($table = '', $set = NULL, $index = NULL) { // Combine any cached components with the current statements $this->_merge_cache(); @@ -1351,7 +1322,7 @@ class CI_DB_active_record extends CI_DB_driver { { if ($this->db_debug) { - return $this->display_error('db_myst_use_index'); + return $this->display_error('db_must_use_index'); } return FALSE; @@ -1402,14 +1373,12 @@ class CI_DB_active_record extends CI_DB_driver { /** * The "set_update_batch" function. Allows key/value pairs to be set for batch updating * - * @access public * @param array * @param string * @param boolean * @return object */ - - function set_update_batch($key, $index = '', $escape = TRUE) + public function set_update_batch($key, $index = '', $escape = TRUE) { $key = $this->_object_to_array_batch($key); @@ -1462,11 +1431,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles a delete string and runs "DELETE FROM table" * - * @access public * @param string the table to empty * @return object */ - function empty_table($table = '') + public function empty_table($table = '') { if ($table == '') { @@ -1502,11 +1470,10 @@ class CI_DB_active_record extends CI_DB_driver { * If the database does not support the truncate() command * This function maps to "DELETE FROM table" * - * @access public * @param string the table to truncate * @return object */ - function truncate($table = '') + public function truncate($table = '') { if ($table == '') { @@ -1540,14 +1507,13 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles a delete string and runs the query * - * @access public * @param mixed the table(s) to delete from. String or array * @param mixed the where clause * @param mixed the limit clause * @param boolean * @return object */ - function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE) + public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE) { // Combine any cached components with the current statements $this->_merge_cache(); @@ -1617,11 +1583,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Prepends a database prefix if one exists in configuration * - * @access public * @param string the table * @return string */ - function dbprefix($table = '') + public function dbprefix($table = '') { if ($table == '') { @@ -1634,15 +1599,29 @@ class CI_DB_active_record extends CI_DB_driver { // -------------------------------------------------------------------- /** + * Set DB Prefix + * + * Set's the DB Prefix to something new without needing to reconnect + * + * @param string the prefix + * @return string + */ + public function set_dbprefix($prefix = '') + { + return $this->dbprefix = $prefix; + } + + // -------------------------------------------------------------------- + + /** * Track Aliases * * Used to track SQL statements written with aliased tables. * - * @access private * @param string The table to inspect * @return string */ - function _track_aliases($table) + protected function _track_aliases($table) { if (is_array($table)) { @@ -1685,10 +1664,9 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a query string based on which functions were used. * Should not be called directly. The get() function calls it. * - * @access private * @return string */ - function _compile_select($select_override = FALSE) + protected function _compile_select($select_override = FALSE) { // Combine any cached components with the current statements $this->_merge_cache(); @@ -1716,7 +1694,8 @@ class CI_DB_active_record extends CI_DB_driver { // is because until the user calls the from() function we don't know if there are aliases foreach ($this->ar_select as $key => $val) { - $this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $this->ar_no_escape[$key]); + $no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL; + $this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape); } $sql .= implode(', ', $this->ar_select); @@ -1826,11 +1805,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Takes an object as input and converts the class variables to array key/vals * - * @access public * @param object * @return array */ - function _object_to_array($object) + public function _object_to_array($object) { if ( ! is_object($object)) { @@ -1857,11 +1835,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Takes an object as input and converts the class variables to array key/vals * - * @access public * @param object * @return array */ - function _object_to_array_batch($object) + public function _object_to_array_batch($object) { if ( ! is_object($object)) { @@ -1897,10 +1874,9 @@ class CI_DB_active_record extends CI_DB_driver { * * Starts AR caching * - * @access public * @return void */ - function start_cache() + public function start_cache() { $this->ar_caching = TRUE; } @@ -1912,10 +1888,9 @@ class CI_DB_active_record extends CI_DB_driver { * * Stops AR caching * - * @access public * @return void */ - function stop_cache() + public function stop_cache() { $this->ar_caching = FALSE; } @@ -1930,23 +1905,21 @@ class CI_DB_active_record extends CI_DB_driver { * @access public * @return void */ - function flush_cache() + public function flush_cache() { - $this->_reset_run( - array( - 'ar_cache_select' => array(), - 'ar_cache_from' => array(), - 'ar_cache_join' => array(), - 'ar_cache_where' => array(), - 'ar_cache_like' => array(), - 'ar_cache_groupby' => array(), - 'ar_cache_having' => array(), - 'ar_cache_orderby' => array(), - 'ar_cache_set' => array(), - 'ar_cache_exists' => array(), - 'ar_cache_no_escape' => array() - ) - ); + $this->_reset_run(array( + 'ar_cache_select' => array(), + 'ar_cache_from' => array(), + 'ar_cache_join' => array(), + 'ar_cache_where' => array(), + 'ar_cache_like' => array(), + 'ar_cache_groupby' => array(), + 'ar_cache_having' => array(), + 'ar_cache_orderby' => array(), + 'ar_cache_set' => array(), + 'ar_cache_exists' => array(), + 'ar_cache_no_escape' => array() + )); } // -------------------------------------------------------------------- @@ -1957,10 +1930,9 @@ class CI_DB_active_record extends CI_DB_driver { * When called, this function merges any cached AR arrays with * locally called ones. * - * @access private * @return void */ - function _merge_cache() + protected function _merge_cache() { if (count($this->ar_cache_exists) == 0) { @@ -1995,11 +1967,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * Resets the active record values. Called by the get() function * - * @access private * @param array An array of fields to reset * @return void */ - function _reset_run($ar_reset_items) + protected function _reset_run($ar_reset_items) { foreach ($ar_reset_items as $item => $default_value) { @@ -2015,28 +1986,27 @@ class CI_DB_active_record extends CI_DB_driver { /** * Resets the active record values. Called by the get() function * - * @access private * @return void */ - function _reset_select() + protected function _reset_select() { $ar_reset_items = array( - 'ar_select' => array(), - 'ar_from' => array(), - 'ar_join' => array(), - 'ar_where' => array(), - 'ar_like' => array(), - 'ar_groupby' => array(), - 'ar_having' => array(), - 'ar_orderby' => array(), - 'ar_wherein' => array(), - 'ar_aliased_tables' => array(), - 'ar_no_escape' => array(), - 'ar_distinct' => FALSE, - 'ar_limit' => FALSE, - 'ar_offset' => FALSE, - 'ar_order' => FALSE, - ); + 'ar_select' => array(), + 'ar_from' => array(), + 'ar_join' => array(), + 'ar_where' => array(), + 'ar_like' => array(), + 'ar_groupby' => array(), + 'ar_having' => array(), + 'ar_orderby' => array(), + 'ar_wherein' => array(), + 'ar_aliased_tables' => array(), + 'ar_no_escape' => array(), + 'ar_distinct' => FALSE, + 'ar_limit' => FALSE, + 'ar_offset' => FALSE, + 'ar_order' => FALSE, + ); $this->_reset_run($ar_reset_items); } @@ -2048,25 +2018,23 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by the insert() update() insert_batch() update_batch() and delete() functions * - * @access private * @return void */ - function _reset_write() + protected function _reset_write() { $ar_reset_items = array( - 'ar_set' => array(), - 'ar_from' => array(), - 'ar_where' => array(), - 'ar_like' => array(), - 'ar_orderby' => array(), - 'ar_keys' => array(), - 'ar_limit' => FALSE, - 'ar_order' => FALSE - ); + 'ar_set' => array(), + 'ar_from' => array(), + 'ar_where' => array(), + 'ar_like' => array(), + 'ar_orderby' => array(), + 'ar_keys' => array(), + 'ar_limit' => FALSE, + 'ar_order' => FALSE + ); $this->_reset_run($ar_reset_items); } - } /* End of file DB_active_rec.php */ diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 10e8ed0c0..f3e824daa 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -218,7 +218,7 @@ class CI_DB_driver { // Some DBs have functions that return the version, and don't run special // SQL queries per se. In these instances, just return the result. - $driver_version_exceptions = array('oci8', 'sqlite'); + $driver_version_exceptions = array('oci8', 'sqlite', 'cubrid'); if (in_array($this->dbdriver, $driver_version_exceptions)) { diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php new file mode 100644 index 000000000..3f0109249 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -0,0 +1,791 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 2.0.2 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CUBRID Database Adapter Class + * + * Note: _DB is an extender class that the app controller + * creates dynamically based on whether the active record + * class is being used or not. + * + * @package CodeIgniter + * @subpackage Drivers + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_driver extends CI_DB { + + // Default CUBRID Broker port. Will be used unless user + // explicitly specifies another one. + const DEFAULT_PORT = 33000; + + var $dbdriver = 'cubrid'; + + // The character used for escaping - no need in CUBRID + var $_escape_char = ''; + + // clause and character used for LIKE escape sequences - not used in CUBRID + var $_like_escape_str = ''; + var $_like_escape_chr = ''; + + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + var $_count_string = 'SELECT COUNT(*) AS '; + var $_random_keyword = ' RAND()'; // database specific random keyword + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + // If no port is defined by the user, use the default value + if ($this->port == '') + { + $this->port = self::DEFAULT_PORT; + } + + $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password); + + if ($conn) + { + // Check if a user wants to run queries in dry, i.e. run the + // queries but not commit them. + if (isset($this->auto_commit) && ! $this->auto_commit) + { + cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE); + } + else + { + cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE); + $this->auto_commit = TRUE; + } + } + + return $conn; + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * In CUBRID persistent DB connection is supported natively in CUBRID + * engine which can be configured in the CUBRID Broker configuration + * file by setting the CCI_PCONNECT parameter to ON. In that case, all + * connections established between the client application and the + * server will become persistent. This is calling the same + * @cubrid_connect function will establish persisten connection + * considering that the CCI_PCONNECT is ON. + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return $this->db_connect(); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if (cubrid_ping($this->conn_id) === FALSE) + { + $this->conn_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // In CUBRID there is no need to select a database as the database + // is chosen at the connection time. + // So, to determine if the database is "selected", all we have to + // do is ping the server and return that value. + return cubrid_ping($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // In CUBRID, there is no need to set charset or collation. + // This is why returning true will allow the application continue + // its normal process. + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + // To obtain the CUBRID Server version, no need to run the SQL query. + // CUBRID PHP API provides a function to determin this value. + // This is why we also need to add 'cubrid' value to the list of + // $driver_version_exceptions array in DB_driver class in + // version() function. + return cubrid_get_server_info($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @cubrid_query($sql, $this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + // No need to prepare + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($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) + { + return TRUE; + } + + // 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; + + if (cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + 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) + { + return TRUE; + } + + cubrid_commit($this->conn_id); + + if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + 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) + { + return TRUE; + } + + cubrid_rollback($this->conn_id); + + if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id)) + { + cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE); + } + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id)) + { + $str = cubrid_real_escape_string($str, $this->conn_id); + } + else + { + $str = addslashes($str); + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @cubrid_affected_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id() + { + return @cubrid_insert_id($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified table + * + * @access public + * @param string + * @return string + */ + function count_all($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(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES"; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT * FROM ".$table." LIMIT 1"; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + return cubrid_error($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return cubrid_errno($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + if ($this->_escape_char == '') + { + return $item; + } + + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + return '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert($table, $keys, $values) + { + return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + } + + // -------------------------------------------------------------------- + + /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = sprintf('"%s" = %s', $key, $val); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + + $sql .= $orderby.$limit; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($cases, 0, -2); + + $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + + return $sql; + } + + // -------------------------------------------------------------------- + + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($table) + { + return "TRUNCATE ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @access public + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= " AND "; + } + $conditions .= implode("\n", $like); + } + + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM ".$table.$conditions.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @cubrid_close($conn_id); + } + +} + + +/* End of file cubrid_driver.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php new file mode 100644 index 000000000..bab03f748 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_forge.php @@ -0,0 +1,288 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CUBRID Forge Class + * + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_forge extends CI_DB_forge { + + /** + * Create database + * + * @access private + * @param string the database name + * @return bool + */ + function _create_database($name) + { + // CUBRID does not allow to create a database in SQL. The GUI tools + // have to be used for this purpose. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access private + * @param string the database name + * @return bool + */ + function _drop_database($name) + { + // CUBRID does not allow to drop a database in SQL. The GUI tools + // have to be used for this purpose. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Process Fields + * + * @access private + * @param mixed the fields + * @return string + */ + function _process_fields($fields) + { + $current_field_count = 0; + $sql = ''; + + foreach ($fields as $field=>$attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\""; + + if (array_key_exists('NAME', $attributes)) + { + $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; + } + + if (array_key_exists('TYPE', $attributes)) + { + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + switch ($attributes['TYPE']) + { + case 'decimal': + case 'float': + case 'numeric': + $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; + break; + case 'enum': // As of version 8.4.0 CUBRID does not support + // enum data type. + break; + case 'set': + $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; + break; + default: + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + } + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + //$sql .= ' UNSIGNED'; + // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type. + // Will be supported in the next release as a part of MySQL Compatibility. + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$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 .= ' AUTO_INCREMENT'; + } + + if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE) + { + $sql .= ' UNIQUE'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param mixed the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + //$sql .= 'IF NOT EXISTS '; + // As of version 8.4.0 CUBRID does not support this SQL syntax. + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + + $sql .= $this->_process_fields($fields); + + // If there is a PK defined + if (count($primary_keys) > 0) + { + $key_name = "pk_" . $table . "_" . + $this->db->_protect_identifiers(implode('_', $primary_keys)); + + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key_name = $this->db->_protect_identifiers(implode('_', $key)); + $key = $this->db->_protect_identifiers($key); + } + else + { + $key_name = $this->db->_protect_identifiers($key); + $key = array($key_name); + } + + $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n);"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return string + */ + function _drop_table($table) + { + return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param array fields + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($alter_type, $table, $fields, $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql.$this->db->_protect_identifiers($fields); + } + + $sql .= $this->_process_fields($fields); + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @access private + * @param string the old table name + * @param string the new table name + * @return string + */ + function _rename_table($table_name, $new_table_name) + { + $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file cubrid_forge.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_forge.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php new file mode 100644 index 000000000..6f0c2b5f7 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_result.php @@ -0,0 +1,202 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 2.0.2 + * @filesource + */ + +// -------------------------------------------------------------------- + +/** + * CUBRID Result Class + * + * This class extends the parent result class: CI_DB_result + * + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_result extends CI_DB_result { + + /** + * Number of rows in the result set + * + * @access public + * @return integer + */ + function num_rows() + { + return @cubrid_num_rows($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @cubrid_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + return cubrid_column_names($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + + $tablePrimaryKeys = array(); + + while ($field = cubrid_fetch_field($this->result_id)) + { + $F = new stdClass(); + $F->name = $field->name; + $F->type = $field->type; + $F->default = $field->def; + $F->max_length = $field->max_length; + + // At this moment primary_key property is not returned when + // cubrid_fetch_field is called. The following code will + // provide a patch for it. primary_key property will be added + // in the next release. + + // TODO: later version of CUBRID will provide primary_key + // property. + // When PK is defined in CUBRID, an index is automatically + // created in the db_index system table in the form of + // pk_tblname_fieldname. So the following will count how many + // columns are there which satisfy this format. + // The query will search for exact single columns, thus + // compound PK is not supported. + $res = cubrid_query($this->conn_id, + "SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table . + "' AND is_primary_key = 'YES' AND index_name = 'pk_" . + $field->table . "_" . $field->name . "'" + ); + + if ($res) + { + $row = cubrid_fetch_array($res, CUBRID_NUM); + $F->primary_key = ($row[0] > 0 ? 1 : null); + } + else + { + $F->primary_key = null; + } + + if (is_resource($res)) + { + cubrid_close_request($res); + $this->result_id = FALSE; + } + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if(is_resource($this->result_id) || + get_resource_type($this->result_id) == "Unknown" && + preg_match('/Resource id #/', strval($this->result_id))) + { + cubrid_close_request($this->result_id); + $this->result_id = FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @access private + * @return array + */ + function _data_seek($n = 0) + { + return cubrid_data_seek($this->result_id, $n); + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return cubrid_fetch_assoc($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return cubrid_fetch_object($this->result_id); + } + +} + + +/* End of file cubrid_result.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_result.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php new file mode 100644 index 000000000..cd16d1e18 --- /dev/null +++ b/system/database/drivers/cubrid/cubrid_utility.php @@ -0,0 +1,108 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author Esen Sagynov + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CUBRID Utility Class + * + * @category Database + * @author Esen Sagynov + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_cubrid_utility extends CI_DB_utility { + + /** + * List databases + * + * @access private + * @return array + */ + function _list_databases() + { + // CUBRID does not allow to see the list of all databases on the + // server. It is the way its architecture is designed. Every + // database is independent and isolated. + // For this reason we can return only the name of the currect + // connected database. + if ($this->conn_id) + { + return "SELECT '" . $this->database . "'"; + } + else + { + return FALSE; + } + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + * @link http://www.cubrid.org/manual/840/en/Optimize%20Database + */ + function _optimize_table($table) + { + // No SQL based support in CUBRID as of version 8.4.0. Database or + // table optimization can be performed using CUBRID Manager + // database administration tool. See the link above for more info. + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency + */ + function _repair_table($table) + { + // Not supported in CUBRID as of version 8.4.0. Database or + // table consistency can be checked using CUBRID Manager + // database administration tool. See the link above for more info. + return FALSE; + } + + // -------------------------------------------------------------------- + /** + * CUBRID Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // No SQL based support in CUBRID as of version 8.4.0. Database or + // table backup can be performed using CUBRID Manager + // database administration tool. + return $this->db->display_error('db_unsuported_feature'); + } +} + +/* End of file cubrid_utility.php */ +/* Location: ./system/database/drivers/cubrid/cubrid_utility.php */
\ No newline at end of file diff --git a/system/database/drivers/cubrid/index.html b/system/database/drivers/cubrid/index.html new file mode 100644 index 000000000..c942a79ce --- /dev/null +++ b/system/database/drivers/cubrid/index.html @@ -0,0 +1,10 @@ +<html> +<head> + <title>403 Forbidden</title> +</head> +<body> + +<p>Directory access is forbidden.</p> + +</body> +</html>
\ No newline at end of file diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index b7d547cc0..28c75a5e3 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -54,6 +54,9 @@ class CI_DB_mysql_driver extends CI_DB { var $_count_string = 'SELECT COUNT(*) AS '; var $_random_keyword = ' RAND()'; // database specific random keyword + // whether SET NAMES must be used to set the character set + var $use_set_names; + /** * Non-persistent database connection * @@ -132,15 +135,13 @@ class CI_DB_mysql_driver extends CI_DB { */ function db_set_charset($charset, $collation) { - static $use_set_names; - - if ( ! isset($use_set_names)) + if ( ! isset($this->use_set_names)) { // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback - $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; + $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; } - if ($use_set_names) + if ($this->use_set_names === TRUE) { return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); } diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index 529ec980d..c1cae136c 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.php @@ -119,9 +119,13 @@ class CI_DB_mysql_forge extends CI_DB_forge { $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; } - if (array_key_exists('NULL', $attributes)) + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) { - $sql .= ($attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL'; + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; } if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index e9747c540..48c4d6316 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -96,7 +96,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // Get the table schema - $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.'.$table); + $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`'); // No result means the table name was invalid if ($query === FALSE) diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index b8586c21d..b1796c9df 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -54,6 +54,9 @@ class CI_DB_mysqli_driver extends CI_DB { */ var $delete_hack = TRUE; + // whether SET NAMES must be used to set the character set + var $use_set_names; + // -------------------------------------------------------------------- /** @@ -132,15 +135,13 @@ class CI_DB_mysqli_driver extends CI_DB { */ function _db_set_charset($charset, $collation) { - static $use_set_names; - - if ( ! isset($use_set_names)) + if ( ! isset($this->use_set_names)) { // mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback - $use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; + $this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; } - if ($use_set_names) + if ($this->use_set_names === TRUE) { return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'"); } diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php index d5097335e..260549457 100644 --- a/system/database/drivers/mysqli/mysqli_forge.php +++ b/system/database/drivers/mysqli/mysqli_forge.php @@ -104,9 +104,13 @@ class CI_DB_mysqli_forge extends CI_DB_forge { $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; } - if (array_key_exists('NULL', $attributes)) + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) { - $sql .= ($attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL'; + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; } if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) |