diff options
Diffstat (limited to 'system/database/drivers/sqlsrv')
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_driver.php | 104 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_forge.php | 61 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_result.php | 16 | ||||
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_utility.php | 47 |
4 files changed, 45 insertions, 183 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 9f2f88699..8cc500f55 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -29,7 +29,7 @@ * SQLSRV Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -55,7 +55,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { * used for the count_all() and count_all_results() functions. */ protected $_count_string = 'SELECT COUNT(*) AS '; - protected $_random_keyword = ' ASC'; // not currently supported + protected $_random_keyword = ' NEWID()'; // not currently supported /** * Non-persistent database connection @@ -68,12 +68,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { $character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set; $connection = array( - 'UID' => empty($this->username) ? '' : $this->username, - 'PWD' => empty($this->password) ? '' : $this->password, - 'Database' => $this->database, - 'ConnectionPooling' => $pooling ? 1 : 0, + 'UID' => empty($this->username) ? '' : $this->username, + 'PWD' => empty($this->password) ? '' : $this->password, + 'Database' => $this->database, + 'ConnectionPooling' => $pooling ? 1 : 0, 'CharacterSet' => $character_set, - 'ReturnDatesAsStrings' => 1 + 'ReturnDatesAsStrings' => 1 ); // If the username and password are both empty, assume this is a @@ -259,23 +259,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Parse major version - * - * Grabs the major version number from the - * database server version string passed in. - * - * @param string $version - * @return int major version number - */ - protected function _parse_major_version($version) - { - preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info); - return $ver_info[1]; // return the major version b/c that's all we're interested in. - } - - // -------------------------------------------------------------------- - - /** * Database version number * * @return string @@ -410,21 +393,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Escape the SQL Identifiers - * - * This function escapes column and table names - * - * @param string - * @return string - */ - public function _escape_identifiers($item) - { - return $item; - } - - // -------------------------------------------------------------------- - - /** * From Tables * * This function implicitly groups FROM tables so there is no confusion @@ -446,23 +414,6 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Insert statement - * - * Generates a platform-specific insert string from the supplied data - * - * @param string the table name - * @param array the insert keys - * @param array the insert values - * @return string - */ - protected function _insert($table, $keys, $values) - { - return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; - } - - // -------------------------------------------------------------------- - - /** * Update statement * * Generates a platform-specific update string from the supplied data @@ -470,18 +421,26 @@ class CI_DB_sqlsrv_driver extends CI_DB { * @param string the table name * @param array the update data * @param array the where clause - * @param array the orderby clause - * @param array the limit clause + * @param array the orderby clause (ignored) + * @param array the limit clause (ignored) + * @param array the like clause * @return string */ - protected function _update($table, $values, $where) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) { foreach($values as $key => $val) { - $valstr[] = $key." = ".$val; + $valstr[] = $key.' = '.$val; + } + + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); } - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.implode(' ', $where); + return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; } // -------------------------------------------------------------------- @@ -490,15 +449,16 @@ class CI_DB_sqlsrv_driver extends CI_DB { * 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" + * + * If the database does not support the truncate() command, + * then this method maps to 'DELETE FROM table' * * @param string the table name * @return string */ protected function _truncate($table) { - return "TRUNCATE ".$table; + return 'TRUNCATE TABLE '.$table; } // -------------------------------------------------------------------- @@ -510,12 +470,22 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * @param string the table name * @param array the where clause + * @param array the like clause * @param string the limit clause * @return string */ - protected function _delete($table, $where) + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { - return 'DELETE FROM '.$table.' WHERE '.implode(' ', $where); + $conditions = array(); + + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); + + $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; + + return ($limit) + ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete' + : 'DELETE FROM '.$table.$conditions; } // -------------------------------------------------------------------- @@ -551,4 +521,4 @@ class CI_DB_sqlsrv_driver extends CI_DB { } /* End of file sqlsrv_driver.php */ -/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index 0dc7b5242..e9143b269 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -34,43 +34,7 @@ */ class CI_DB_sqlsrv_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return string - */ - public function _create_database($name) - { - return "CREATE DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - return "DROP DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop Table - * - * @return bool - */ - public function _drop_table($table) - { - return "DROP TABLE ".$this->db->_escape_identifiers($table); - } - - // -------------------------------------------------------------------- + protected $_drop_table = 'DROP TABLE %s'; /** * Create Table @@ -82,7 +46,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -91,7 +55,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; + $sql .= $this->db->escape_identifiers($table).' ('; $current_field_count = 0; foreach ($fields as $field => $attributes) @@ -193,7 +157,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name); @@ -228,23 +192,6 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { } - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - public function _rename_table($table_name, $new_table_name) - { - // I think this syntax will work, but can find little documentation on renaming tables in MSSQL - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file sqlsrv_forge.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php index 10d790e4b..0802677fc 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_result.php +++ b/system/database/drivers/sqlsrv/sqlsrv_result.php @@ -124,22 +124,6 @@ class CI_DB_sqlsrv_result extends CI_DB_result { // -------------------------------------------------------------------- /** - * Data Seek - * - * Moves the internal pointer to the desired offset. We call - * this internally before fetching results to make sure the - * result set starts at zero - * - * @return void - */ - protected function _data_seek($n = 0) - { - // Not implemented - } - - // -------------------------------------------------------------------- - - /** * Result - associative array * * Returns the result set as an array diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php index 5830c62de..394964b6a 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_utility.php +++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php @@ -34,55 +34,16 @@ */ class CI_DB_sqlsrv_utility extends CI_DB_utility { - /** - * List databases - * - * @return string - */ - public 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 - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - return FALSE; // Is this supported in MS SQL? - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - return FALSE; // Is this supported in MS SQL? - } - - // -------------------------------------------------------------------- + protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases + protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE'; /** - * MSSQL Export + * SQLSRV Export * * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); |