diff options
Diffstat (limited to 'system/database')
| -rwxr-xr-x | system/database/DB.php | 12 | ||||
| -rwxr-xr-x | system/database/DB_active_rec.php | 300 | ||||
| -rwxr-xr-x | system/database/DB_driver.php | 6 | ||||
| -rwxr-xr-x | system/database/DB_result.php | 97 | ||||
| -rwxr-xr-x | system/database/drivers/mysql/mysql_driver.php | 17 | ||||
| -rwxr-xr-x | system/database/drivers/mysql/mysql_forge.php | 8 | ||||
| -rwxr-xr-x | system/database/drivers/mysqli/mysqli_driver.php | 17 | ||||
| -rwxr-xr-x | system/database/drivers/mysqli/mysqli_forge.php | 8 | ||||
| -rwxr-xr-x | system/database/drivers/postgre/postgre_driver.php | 18 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/index.html | 10 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_driver.php | 598 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_forge.php | 248 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_result.php | 169 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_utility.php | 88 |
14 files changed, 1369 insertions, 227 deletions
diff --git a/system/database/DB.php b/system/database/DB.php index 8bf1ba8ba..33207d885 100755 --- a/system/database/DB.php +++ b/system/database/DB.php @@ -28,11 +28,11 @@ function &DB($params = '', $active_record_override = NULL) if (is_string($params) AND strpos($params, '://') === FALSE) { // Is the config file in the environment folder? - if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database'.EXT)) + if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php')) { - if ( ! file_exists($file_path = APPPATH.'config/database'.EXT)) + if ( ! file_exists($file_path = APPPATH.'config/database.php')) { - show_error('The configuration file database'.EXT.' does not exist.'); + show_error('The configuration file database.php does not exist.'); } } @@ -116,11 +116,11 @@ function &DB($params = '', $active_record_override = NULL) $active_record = $active_record_override; } - require_once(BASEPATH.'database/DB_driver'.EXT); + require_once(BASEPATH.'database/DB_driver.php'); if ( ! isset($active_record) OR $active_record == TRUE) { - require_once(BASEPATH.'database/DB_active_rec'.EXT); + require_once(BASEPATH.'database/DB_active_rec.php'); if ( ! class_exists('CI_DB')) { @@ -135,7 +135,7 @@ function &DB($params = '', $active_record_override = NULL) } } - require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver'.EXT); + require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php'); // Instantiate the DB adapter $driver = 'CI_DB_'.$params['dbdriver'].'_driver'; diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php index db8471364..2af3553ed 100755 --- a/system/database/DB_active_rec.php +++ b/system/database/DB_active_rec.php @@ -58,7 +58,9 @@ class CI_DB_active_record extends CI_DB_driver { var $ar_cache_having = array(); var $ar_cache_orderby = array(); var $ar_cache_set = array(); - + + var $ar_no_escape = array(); + var $ar_cache_no_escape = array(); // -------------------------------------------------------------------- @@ -67,18 +69,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates the SELECT portion of the query * - * @access public * @param string * @return object */ - function select($select = '*', $escape = NULL) + public function select($select = '*', $escape = NULL) { - // Set the global value if this was sepecified - if (is_bool($escape)) - { - $this->_protect_identifiers = $escape; - } - if (is_string($select)) { $select = explode(',', $select); @@ -91,11 +86,13 @@ class CI_DB_active_record extends CI_DB_driver { if ($val != '') { $this->ar_select[] = $val; + $this->ar_no_escape[] = $escape; if ($this->ar_caching === TRUE) { $this->ar_cache_select[] = $val; $this->ar_cache_exists[] = 'select'; + $this->ar_cache_no_escape[] = $escape; } } } @@ -109,12 +106,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT MAX(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_max($select = '', $alias = '') + public function select_max($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'MAX'); } @@ -126,12 +122,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT MIN(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_min($select = '', $alias = '') + public function select_min($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'MIN'); } @@ -143,12 +138,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT AVG(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_avg($select = '', $alias = '') + public function select_avg($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'AVG'); } @@ -160,12 +154,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates a SELECT SUM(field) portion of a query * - * @access public * @param string the field * @param string an alias * @return object */ - function select_sum($select = '', $alias = '') + public function select_sum($select = '', $alias = '') { return $this->_max_min_avg_sum($select, $alias, 'SUM'); } @@ -180,12 +173,11 @@ class CI_DB_active_record extends CI_DB_driver { * select_avg() * select_sum() * - * @access public * @param string the field * @param string an alias * @return object */ - function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX') + protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX') { if ( ! is_string($select) OR $select == '') { @@ -222,11 +214,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * Determines the alias name based on the table * - * @access private * @param string * @return string */ - function _create_alias_from_table($item) + protected function _create_alias_from_table($item) { if (strpos($item, '.') !== FALSE) { @@ -243,11 +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 $this; @@ -260,11 +250,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates the FROM portion of the query * - * @access public * @param mixed can be a string or array * @return object */ - function from($from) + public function from($from) { foreach ((array)$from as $val) { @@ -313,13 +302,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Generates the JOIN portion of the query * - * @access public * @param string * @param string the join condition * @param string the type of join * @return object */ - function join($table, $cond, $type = '') + public function join($table, $cond, $type = '') { if ($type != '') { @@ -369,12 +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 ', $escape); } @@ -387,12 +374,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates the WHERE portion of the query. Separates * multiple calls with OR * - * @access public * @param mixed * @param mixed * @return object */ - function or_where($key, $value = NULL, $escape = TRUE) + public function or_where($key, $value = NULL, $escape = TRUE) { return $this->_where($key, $value, 'OR ', $escape); } @@ -402,15 +388,14 @@ class CI_DB_active_record extends CI_DB_driver { /** * Where * - * Called by where() or orwhere() + * Called by where() or or_where() * - * @access private * @param mixed * @param mixed * @param string * @return object */ - function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) + protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) { if ( ! is_array($key)) { @@ -441,10 +426,10 @@ class CI_DB_active_record extends CI_DB_driver { $v = ' '.$this->escape($v); } - + if ( ! $this->_has_operator($k)) { - $k .= ' ='; + $k .= ' = '; } } else @@ -473,12 +458,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field IN ('item', 'item') SQL query joined with * AND if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function where_in($key = NULL, $values = NULL) + public function where_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values); } @@ -491,12 +475,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field IN ('item', 'item') SQL query joined with * OR if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function or_where_in($key = NULL, $values = NULL) + public function or_where_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values, FALSE, 'OR '); } @@ -509,12 +492,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field NOT IN ('item', 'item') SQL query joined * with AND if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function where_not_in($key = NULL, $values = NULL) + public function where_not_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values, TRUE); } @@ -527,12 +509,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a WHERE field NOT IN ('item', 'item') SQL query joined * with OR if appropriate * - * @access public * @param string The field to search * @param array The values searched on * @return object */ - function or_where_not_in($key = NULL, $values = NULL) + public function or_where_not_in($key = NULL, $values = NULL) { return $this->_where_in($key, $values, TRUE, 'OR '); } @@ -544,14 +525,13 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by where_in, where_in_or, where_not_in, where_not_in_or * - * @access public * @param string The field to search * @param array The values searched on * @param boolean If the statement would be IN or NOT IN * @param string * @return object */ - function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ') + protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ') { if ($key === NULL OR $values === NULL) { @@ -594,12 +574,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a %LIKE% portion of the query. Separates * multiple calls with AND * - * @access public * @param mixed * @param mixed * @return object */ - function like($field, $match = '', $side = 'both') + public function like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'AND ', $side); } @@ -612,12 +591,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a NOT LIKE portion of the query. Separates * multiple calls with AND * - * @access public * @param mixed * @param mixed * @return object */ - function not_like($field, $match = '', $side = 'both') + public function not_like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'AND ', $side, 'NOT'); } @@ -630,12 +608,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a %LIKE% portion of the query. Separates * multiple calls with OR * - * @access public * @param mixed * @param mixed * @return object */ - function or_like($field, $match = '', $side = 'both') + public function or_like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'OR ', $side); } @@ -648,12 +625,11 @@ class CI_DB_active_record extends CI_DB_driver { * Generates a NOT LIKE portion of the query. Separates * multiple calls with OR * - * @access public * @param mixed * @param mixed * @return object */ - function or_not_like($field, $match = '', $side = 'both') + public function or_not_like($field, $match = '', $side = 'both') { return $this->_like($field, $match, 'OR ', $side, 'NOT'); } @@ -665,13 +641,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by like() or orlike() * - * @access private * @param mixed * @param mixed * @param string * @return object */ - function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '') + protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '') { if ( ! is_array($field)) { @@ -721,11 +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($by)) { @@ -757,12 +731,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Separates multiple calls with AND * - * @access public * @param string * @param string * @return object */ - function having($key, $value = '', $escape = TRUE) + public function having($key, $value = '', $escape = TRUE) { return $this->_having($key, $value, 'AND ', $escape); } @@ -774,12 +747,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Separates multiple calls with OR * - * @access public * @param string * @param string * @return object */ - function or_having($key, $value = '', $escape = TRUE) + public function or_having($key, $value = '', $escape = TRUE) { return $this->_having($key, $value, 'OR ', $escape); } @@ -791,12 +763,11 @@ class CI_DB_active_record extends CI_DB_driver { * * Called by having() or or_having() * - * @access private * @param string * @param string * @return object */ - function _having($key, $value = '', $type = 'AND ', $escape = TRUE) + protected function _having($key, $value = '', $type = 'AND ', $escape = TRUE) { if ( ! is_array($key)) { @@ -819,7 +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.$v; @@ -838,12 +809,11 @@ class CI_DB_active_record extends CI_DB_driver { /** * Sets the ORDER BY value * - * @access public * @param string * @param string direction: asc or desc * @return object */ - function order_by($orderby, $direction = '') + public function order_by($orderby, $direction = '') { if (strtolower($direction) == 'random') { @@ -894,12 +864,11 @@ 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 = $value; @@ -916,11 +885,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * Sets the OFFSET value * - * @access public * @param integer the offset value * @return object */ - function offset($offset) + public function offset($offset) { $this->ar_offset = $offset; return $this; @@ -931,13 +899,12 @@ class CI_DB_active_record extends CI_DB_driver { /** * The "set" function. Allows key/value pairs to be set for inserting or updating * - * @access public * @param mixed * @param string * @param boolean * @return object */ - function set($key, $value = '', $escape = TRUE) + public function set($key, $value = '', $escape = TRUE) { $key = $this->_object_to_array($key); @@ -969,13 +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 != '') { @@ -1001,11 +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 ($table != '') { @@ -1034,13 +999,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Allows the where clause, limit and offset to be added directly * - * @access public * @param string the where clause * @param string the limit clause * @param string the offset clause * @return object */ - function get_where($table = '', $where = null, $limit = null, $offset = null) + public function get_where($table = '', $where = null, $limit = null, $offset = null) { if ($table != '') { @@ -1071,12 +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)) { @@ -1129,14 +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); @@ -1191,8 +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 */ @@ -1232,7 +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)) { @@ -1275,13 +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 $this->_merge_cache(); @@ -1338,13 +1308,12 @@ class CI_DB_active_record extends CI_DB_driver { * * Compiles an update string and runs the query * - * @access public * @param string the table to retrieve the results from * @param array an associative array of update values * @param string the where key * @return object */ - function update_batch($table = '', $set = NULL, $index = NULL) + public function update_batch($table = '', $set = NULL, $index = NULL) { // Combine any cached components with the current statements $this->_merge_cache(); @@ -1404,14 +1373,12 @@ class CI_DB_active_record extends CI_DB_driver { /** * The "set_update_batch" function. Allows key/value pairs to be set for batch updating * - * @access public * @param array * @param string * @param boolean * @return object */ - - function set_update_batch($key, $index = '', $escape = TRUE) + public function set_update_batch($key, $index = '', $escape = TRUE) { $key = $this->_object_to_array_batch($key); @@ -1464,11 +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 ($table == '') { @@ -1504,11 +1470,10 @@ class CI_DB_active_record extends CI_DB_driver { * If the database does not support the truncate() command * This function maps to "DELETE FROM table" * - * @access public * @param string the table to truncate * @return object */ - function truncate($table = '') + public function truncate($table = '') { if ($table == '') { @@ -1542,14 +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 $this->_merge_cache(); @@ -1619,11 +1583,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Prepends a database prefix if one exists in configuration * - * @access public * @param string the table * @return string */ - function dbprefix($table = '') + public function dbprefix($table = '') { if ($table == '') { @@ -1636,15 +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)) { @@ -1687,10 +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 $this->_merge_cache(); @@ -1718,7 +1694,8 @@ class CI_DB_active_record extends CI_DB_driver { // is because until the user calls the from() function we don't know if there are aliases foreach ($this->ar_select as $key => $val) { - $this->ar_select[$key] = $this->_protect_identifiers($val); + $no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL; + $this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape); } $sql .= implode(', ', $this->ar_select); @@ -1753,9 +1730,7 @@ class CI_DB_active_record extends CI_DB_driver { if (count($this->ar_where) > 0 OR count($this->ar_like) > 0) { - $sql .= "\n"; - - $sql .= "WHERE "; + $sql .= "\nWHERE "; } $sql .= implode("\n", $this->ar_where); @@ -1830,11 +1805,10 @@ class CI_DB_active_record extends CI_DB_driver { * * Takes an object as input and converts the class variables to array key/vals * - * @access public * @param object * @return array */ - function _object_to_array($object) + public function _object_to_array($object) { if ( ! is_object($object)) { @@ -1861,11 +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)) { @@ -1901,10 +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; } @@ -1916,10 +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; } @@ -1934,22 +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() - ) - ); + $this->_reset_run(array( + 'ar_cache_select' => array(), + 'ar_cache_from' => array(), + 'ar_cache_join' => array(), + 'ar_cache_where' => array(), + 'ar_cache_like' => array(), + 'ar_cache_groupby' => array(), + 'ar_cache_having' => array(), + 'ar_cache_orderby' => array(), + 'ar_cache_set' => array(), + 'ar_cache_exists' => array(), + 'ar_cache_no_escape' => array() + )); } // -------------------------------------------------------------------- @@ -1960,10 +1930,9 @@ class CI_DB_active_record extends CI_DB_driver { * When called, this function merges any cached AR arrays with * locally called ones. * - * @access private * @return void */ - function _merge_cache() + protected function _merge_cache() { if (count($this->ar_cache_exists) == 0) { @@ -1989,6 +1958,8 @@ class CI_DB_active_record extends CI_DB_driver { { $this->_track_aliases($this->ar_from); } + + $this->ar_no_escape = $this->ar_cache_no_escape; } // -------------------------------------------------------------------- @@ -1996,11 +1967,10 @@ class CI_DB_active_record extends CI_DB_driver { /** * Resets the active record values. Called by the get() function * - * @access private * @param array An array of fields to reset * @return void */ - function _reset_run($ar_reset_items) + protected function _reset_run($ar_reset_items) { foreach ($ar_reset_items as $item => $default_value) { @@ -2016,27 +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_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 e7a9de475..10e8ed0c0 100755 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -424,8 +424,8 @@ class CI_DB_driver { if ( ! class_exists($driver)) { - include_once(BASEPATH.'database/DB_result'.EXT); - include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result'.EXT); + include_once(BASEPATH.'database/DB_result.php'); + include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result.php'); } return $driver; @@ -1115,7 +1115,7 @@ class CI_DB_driver { if ( ! class_exists('CI_DB_Cache')) { - if ( ! @include(BASEPATH.'database/DB_cache'.EXT)) + if ( ! @include(BASEPATH.'database/DB_cache.php')) { return $this->cache_off(); } diff --git a/system/database/DB_result.php b/system/database/DB_result.php index 76e1d6abb..0c4e78105 100755 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -28,14 +28,14 @@ */ class CI_DB_result { - var $conn_id = NULL; - var $result_id = NULL; - var $result_array = array(); - var $result_object = array(); - var $custom_result_object = array(); - var $current_row = 0; - var $num_rows = 0; - var $row_data = NULL; + var $conn_id = NULL; + var $result_id = NULL; + var $result_array = array(); + var $result_object = array(); + var $custom_result_object = array(); + var $current_row = 0; + var $num_rows = 0; + var $row_data = NULL; /** @@ -47,47 +47,52 @@ class CI_DB_result { */ function result($type = 'object') { - if ($type == 'array') return $this->result_array(); - else if ($type == 'object') return $this->result_object(); - else return $this->custom_result_object($type); + if ($type == 'array') return $this->result_array(); + else if ($type == 'object') return $this->result_object(); + else return $this->custom_result_object($type); } // -------------------------------------------------------------------- - /** - * Custom query result. - * - * @param class_name A string that represents the type of object you want back - * @return array of objects - */ - function custom_result_object($class_name) - { - if (array_key_exists($class_name, $this->custom_result_object)) - { - return $this->custom_result_object[$class_name]; - } - - if ($this->result_id === FALSE OR $this->num_rows() == 0) - { - return array(); - } - - // add the data to the object - $this->_data_seek(0); - $result_object = array(); + /** + * Custom query result. + * + * @param class_name A string that represents the type of object you want back + * @return array of objects + */ + function custom_result_object($class_name) + { + if (array_key_exists($class_name, $this->custom_result_object)) + { + return $this->custom_result_object[$class_name]; + } + + if ($this->result_id === FALSE OR $this->num_rows() == 0) + { + return array(); + } + + // add the data to the object + $this->_data_seek(0); + $result_object = array(); + while ($row = $this->_fetch_object()) - { - $object = new $class_name(); - foreach ($row as $key => $value) - { - $object->$key = $value; - } + { + $object = new $class_name(); + + foreach ($row as $key => $value) + { + $object->$key = $value; + } + $result_object[] = $object; } - // return the array - return $this->custom_result_object[$class_name] = $result_object; - } + // return the array + return $this->custom_result_object[$class_name] = $result_object; + } + + // -------------------------------------------------------------------- /** * Query result. "object" version. @@ -180,9 +185,9 @@ class CI_DB_result { $n = 0; } - if ($type == 'object') return $this->row_object($n); - else if ($type == 'array') return $this->row_array($n); - else return $this->custom_row_object($n, $type); + if ($type == 'object') return $this->row_object($n); + else if ($type == 'array') return $this->row_array($n); + else return $this->custom_row_object($n, $type); } // -------------------------------------------------------------------- @@ -219,7 +224,7 @@ class CI_DB_result { // -------------------------------------------------------------------- - /** + /** * Returns a single result row - custom object version * * @access public @@ -242,7 +247,7 @@ class CI_DB_result { return $result[$this->current_row]; } - /** + /** * Returns a single result row - object version * * @access public diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 4ff9b0a11..b7d547cc0 100755 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -132,7 +132,22 @@ class CI_DB_mysql_driver extends CI_DB { */ function db_set_charset($charset, $collation) { - return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); + static $use_set_names; + + if ( ! isset($use_set_names)) + { + // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback + $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; + } + + if ($use_set_names) + { + return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); + } + else + { + return @mysql_set_charset($charset, $this->conn_id); + } } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index 529ec980d..c1cae136c 100755 --- 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) && $attributes['AUTO_INCREMENT'] === TRUE) diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index ccdabce1a..b8586c21d 100755 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -132,7 +132,22 @@ class CI_DB_mysqli_driver extends CI_DB { */ function _db_set_charset($charset, $collation) { - return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'"); + static $use_set_names; + + if ( ! isset($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; + } + + if ($use_set_names) + { + return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'"); + } + else + { + return @mysqli_set_charset($this->conn_id, $charset); + } } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php index d5097335e..260549457 100755 --- 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) && $attributes['AUTO_INCREMENT'] === TRUE) diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 47ff36246..140396885 100755 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -554,6 +554,24 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** + * Insert_batch statement + * + * Generates a platform-specific insert string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _insert_batch($table, $keys, $values) + { + return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + } + + // -------------------------------------------------------------------- + + /** * Update statement * * Generates a platform-specific update string from the supplied data diff --git a/system/database/drivers/sqlsrv/index.html b/system/database/drivers/sqlsrv/index.html new file mode 100644 index 000000000..c942a79ce --- /dev/null +++ b/system/database/drivers/sqlsrv/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/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php new file mode 100644 index 000000000..1d32792ce --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -0,0 +1,598 @@ +<?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 ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * SQLSRV 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 ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_sqlsrv_driver extends CI_DB { + + var $dbdriver = 'sqlsrv'; + + // The character used for escaping + var $_escape_char = ''; + + // clause and character used for LIKE escape sequences + var $_like_escape_str = " ESCAPE '%s' "; + var $_like_escape_chr = '!'; + + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + var $_count_string = "SELECT COUNT(*) AS "; + var $_random_keyword = ' ASC'; // not currently supported + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect($pooling = false) + { + // Check for a UTF-8 charset being passed as CI's default 'utf8'. + $character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set; + + $connection = array( + 'UID' => empty($this->username) ? '' : $this->username, + 'PWD' => empty($this->password) ? '' : $this->password, + 'Database' => $this->database, + 'ConnectionPooling' => $pooling ? 1 : 0, + 'CharacterSet' => $character_set, + 'ReturnDatesAsStrings' => 1 + ); + + // If the username and password are both empty, assume this is a + // 'Windows Authentication Mode' connection. + if(empty($connection['UID']) && empty($connection['PWD'])) { + unset($connection['UID'], $connection['PWD']); + } + + return sqlsrv_connect($this->hostname, $connection); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + $this->db_connect(TRUE); + } + + // -------------------------------------------------------------------- + + /** + * 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() + { + // not implemented in MSSQL + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + return $this->_execute('USE ' . $this->database); + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return resource + */ + function _execute($sql) + { + $sql = $this->_prep_query($sql); + return sqlsrv_query($this->conn_id, $sql, null, array( + 'Scrollable' => SQLSRV_CURSOR_STATIC, + 'SendStreamParamsAtExec' => true + )); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + 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; + + return sqlsrv_begin_transaction($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * 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; + } + + return sqlsrv_commit($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * 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; + } + + return sqlsrv_rollback($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + // Escape single quotes + return str_replace("'", "''", $str); + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return @sqlrv_rows_affected($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * Returns the last id created in the Identity column. + * + * @access public + * @return integer + */ + function insert_id() + { + return $this->query('select @@IDENTITY as insert_id')->row('insert_id'); + } + + // -------------------------------------------------------------------- + + /** + * Parse major version + * + * Grabs the major version number from the + * database server version string passed in. + * + * @access private + * @param string $version + * @return int16 major version number + */ + function _parse_major_version($version) + { + preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info); + return $ver_info[1]; // return the major version b/c that's all we're interested in. + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + $info = sqlsrv_server_info($this->conn_id); + return sprintf("select '%s' as ver", $info['SQLServerVersion']); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + function count_all($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(); + return $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; + } + + // -------------------------------------------------------------------- + + /** + * List column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access private + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'"; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 * FROM " . $this->_escape_table($table); + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + $error = array_shift(sqlsrv_errors()); + return !empty($error['message']) ? $error['message'] : null; + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + $error = array_shift(sqlsrv_errors()); + return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null; + } + + // -------------------------------------------------------------------- + + /** + * Escape Table Name + * + * This function adds backticks if the table name has a period + * in it. Some DBs will get cranky unless periods are escaped + * + * @access private + * @param string the table name + * @return string + */ + function _escape_table($table) + { + return $table; + } + + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + return $item; + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($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, $values) + { + return "INSERT INTO ".$this->_escape_table($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, $where) + { + foreach($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where); + } + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This function maps to "DELETE FROM table" + * + * @access public + * @param string the table name + * @return string + */ + function _truncate($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, $where) + { + return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where); + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + $i = $limit + $offset; + + return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql); + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + @sqlsrv_close($conn_id); + } + +} + + + +/* End of file mssql_driver.php */ +/* Location: ./system/database/drivers/mssql/mssql_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php new file mode 100644 index 000000000..cc88ec5ca --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -0,0 +1,248 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * SQLSRV Forge Class + * + * @category Database + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_sqlsrv_forge extends CI_DB_forge { + + /** + * Create database + * + * @access private + * @param string the database name + * @return bool + */ + function _create_database($name) + { + return "CREATE DATABASE ".$name; + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @access private + * @param string the database name + * @return bool + */ + function _drop_database($name) + { + return "DROP DATABASE ".$name; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @access private + * @return bool + */ + function _drop_table($table) + { + return "DROP TABLE ".$this->db->_escape_identifiers($table); + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array 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 '; + } + + $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 + // 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); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + 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) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->_protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($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)); + } + + $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @access private + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return object + */ + function _alter_table($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') + { + return $sql; + } + + $sql .= " $column_definition"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"$default_value\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($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) + { + // I think this syntax will work, but can find little documentation on renaming tables in MSSQL + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); + return $sql; + } + +} + +/* End of file mssql_forge.php */ +/* Location: ./system/database/drivers/mssql/mssql_forge.php */
\ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php new file mode 100644 index 000000000..bf0abd1c6 --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_result.php @@ -0,0 +1,169 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * SQLSRV Result Class + * + * This class extends the parent result class: CI_DB_result + * + * @category Database + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_sqlsrv_result extends CI_DB_result { + + /** + * Number of rows in the result set + * + * @access public + * @return integer + */ + function num_rows() + { + return @sqlsrv_num_rows($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @access public + * @return integer + */ + function num_fields() + { + return @sqlsrv_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @access public + * @return array + */ + function list_fields() + { + $field_names = array(); + foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field) + { + $field_names[] = $field['Name']; + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @access public + * @return array + */ + function field_data() + { + $retval = array(); + foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field) + { + $F = new stdClass(); + $F->name = $field['Name']; + $F->type = $field['Type']; + $F->max_length = $field['Size']; + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + function free_result() + { + if (is_resource($this->result_id)) + { + sqlsrv_free_stmt($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) + { + // Not implemented + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @access private + * @return array + */ + function _fetch_assoc() + { + return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC); + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @access private + * @return object + */ + function _fetch_object() + { + return sqlsrv_fetch_object($this->result_id); + } + +} + + +/* End of file mssql_result.php */ +/* Location: ./system/database/drivers/mssql/mssql_result.php */
\ No newline at end of file diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php new file mode 100644 index 000000000..13a1850c4 --- /dev/null +++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php @@ -0,0 +1,88 @@ +<?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 ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * SQLSRV Utility Class + * + * @category Database + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_sqlsrv_utility extends CI_DB_utility { + + /** + * List databases + * + * @access private + * @return bool + */ + function _list_databases() + { + return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Generates a platform-specific query so that a table can be optimized + * + * @access private + * @param string the table name + * @return object + */ + function _optimize_table($table) + { + return FALSE; // Is this supported in MS SQL? + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Generates a platform-specific query so that a table can be repaired + * + * @access private + * @param string the table name + * @return object + */ + function _repair_table($table) + { + return FALSE; // Is this supported in MS SQL? + } + + // -------------------------------------------------------------------- + + /** + * MSSQL Export + * + * @access private + * @param array Preferences + * @return mixed + */ + function _backup($params = array()) + { + // Currently unsupported + return $this->db->display_error('db_unsuported_feature'); + } + +} + +/* End of file mssql_utility.php */ +/* Location: ./system/database/drivers/mssql/mssql_utility.php */
\ No newline at end of file |