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-rw-r--r--system/database/drivers/mssql/mssql_driver.php58
-rw-r--r--system/database/drivers/mssql/mssql_forge.php60
-rw-r--r--system/database/drivers/mssql/mssql_result.php4
-rw-r--r--system/database/drivers/mssql/mssql_utility.php45
4 files changed, 50 insertions, 117 deletions
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index ae3b843ee..f60ec8168 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -29,7 +29,7 @@
* MS SQL 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
@@ -425,6 +425,38 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where 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, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach($values as $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(', ', $valstr).' WHERE '.$where;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
@@ -449,28 +481,22 @@ class CI_DB_mssql_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 = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ $conditions = array();
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
- return "DELETE FROM ".$table.$conditions.$limit;
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
}
// --------------------------------------------------------------------
@@ -508,4 +534,4 @@ class CI_DB_mssql_driver extends CI_DB {
}
/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/mssql/mssql_driver.php */
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index d787b3764..8f8e7c5b9 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -34,44 +34,7 @@
*/
class CI_DB_mssql_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 string
- */
- public function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @param string table name
- * @return string
- */
- public function _drop_table($table)
- {
- return 'DROP TABLE '.$this->db->escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
@@ -83,7 +46,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
* @param bool should 'IF NOT EXISTS' be added to the SQL
* @return string
*/
- public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -194,7 +157,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
* @param string the field after which we should add the new field
* @return string
*/
- public function _alter_table($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);
@@ -229,23 +192,6 @@ class CI_DB_mssql_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($new_table_name);
- }
-
}
/* End of file mssql_forge.php */
diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index 2723f4614..4cc87f4cf 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -126,11 +126,11 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @return array
+ * @return bool
*/
protected function _data_seek($n = 0)
{
diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php
index 5c144330d..6d47618ce 100644
--- a/system/database/drivers/mssql/mssql_utility.php
+++ b/system/database/drivers/mssql/mssql_utility.php
@@ -34,47 +34,8 @@
*/
class CI_DB_mssql_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 $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
* MSSQL Export
@@ -82,7 +43,7 @@ class CI_DB_mssql_utility extends CI_DB_utility {
* @param array Preferences
* @return mixed
*/
- public function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-05 06:53:00 +0100