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authorJamie Rumbelow <jamie@jamierumbelow.net>2012-04-26 14:27:35 +0200
committerJamie Rumbelow <jamie@jamierumbelow.net>2012-04-26 14:27:35 +0200
commitd6ce1e936d60487ad8ddd099a040fba7d8f88367 (patch)
tree31dcdda9a24e2ed12135659a4e38cb4f35b0af31 /system/database/DB_forge.php
parentbcee50ff3247dee71d83bf273e52bc10096cd48c (diff)
parent9e2d5d130eff40592b49337a8ba4d8c170934de1 (diff)
Merge branch 'develop' of git://github.com/EllisLab/CodeIgniter into develop
Conflicts: system/core/Loader.php system/database/DB_query_builder.php system/database/drivers/cubrid/cubrid_driver.php system/database/drivers/mssql/mssql_driver.php system/database/drivers/mysql/mysql_driver.php system/database/drivers/mysqli/mysqli_driver.php system/database/drivers/oci8/oci8_driver.php system/database/drivers/odbc/odbc_driver.php system/database/drivers/pdo/pdo_driver.php system/database/drivers/postgre/postgre_driver.php system/database/drivers/sqlite/sqlite_driver.php user_guide_src/source/changelog.rst user_guide_src/source/database/query_builder.rst
Diffstat (limited to 'system/database/DB_forge.php')
-rw-r--r--system/database/DB_forge.php67
1 files changed, 54 insertions, 13 deletions
diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index 336e9497d..a519575f0 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -25,22 +25,26 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
- * Database Utility Class
+ * Database Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
-class CI_DB_forge {
+abstract class CI_DB_forge {
public $fields = array();
public $keys = array();
public $primary_keys = array();
public $db_char_set = '';
+ // Platform specific SQL strings
+ protected $_create_database = 'CREATE DATABASE %s';
+ protected $_drop_database = 'DROP DATABASE %s';
+ protected $_drop_table = 'DROP TABLE IF EXISTS %s';
+ protected $_rename_table = 'ALTER TABLE %s RENAME TO %s';
+
public function __construct()
{
// Assign the main database object to $this->db
@@ -59,8 +63,16 @@ class CI_DB_forge {
*/
public function create_database($db_name)
{
- $sql = $this->_create_database($db_name);
- return is_bool($sql) ? $sql : $this->db->query($sql);
+ if ($this->_create_database === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+ elseif ( ! $this->db->query(sprintf($this->_create_database, $db_name, $this->db->char_set, $this->db->dbcollat)))
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ return TRUE;
}
// --------------------------------------------------------------------
@@ -73,8 +85,21 @@ class CI_DB_forge {
*/
public function drop_database($db_name)
{
- $sql = $this->_drop_database($db_name);
- return is_bool($sql) ? $sql : $this->db->query($sql);
+ if ($db_name == '')
+ {
+ show_error('A table name is required for that operation.');
+ return FALSE;
+ }
+ elseif ($this->_drop_database === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+ elseif ( ! $this->db->query(sprintf($this->_drop_database, $db_name)))
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ return TRUE;
}
// --------------------------------------------------------------------
@@ -197,8 +222,16 @@ class CI_DB_forge {
*/
public function drop_table($table_name)
{
- $sql = $this->_drop_table($this->db->dbprefix.$table_name);
- return is_bool($sql) ? $sql : $this->db->query($sql);
+ if ($table_name == '')
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_table_name_required') : FALSE;
+ }
+ elseif ($this->_drop_table === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+
+ return $this->db->query(sprintf($this->_drop_table, $this->db->escape_identifiers($this->db->dbprefix.$table_name)));
}
// --------------------------------------------------------------------
@@ -215,9 +248,17 @@ class CI_DB_forge {
if ($table_name == '' OR $new_table_name == '')
{
show_error('A table name is required for that operation.');
+ return FALSE;
+ }
+ elseif ($this->_rename_table === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
- return $this->db->query($this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name));
+ return $this->db->query(sprintf($this->_rename_table,
+ $this->db->escape_identifiers($this->db->dbprefix.$table_name),
+ $this->db->escape_identifiers($this->db->dbprefix.$new_table_name))
+ );
}
// --------------------------------------------------------------------
@@ -346,4 +387,4 @@ class CI_DB_forge {
}
/* End of file DB_forge.php */
-/* Location: ./system/database/DB_forge.php */
+/* Location: ./system/database/DB_forge.php */ \ No newline at end of file