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authorAndrey Andreev <narf@bofh.bg>2012-02-29 13:44:27 +0100
committerAndrey Andreev <narf@bofh.bg>2012-02-29 13:44:27 +0100
commit4a64a223da13a8fb1bf2720f068e55a7967a4486 (patch)
tree2986fca0191318f3bcff379fb7d464814a83843a /system/database
parent8bbb38983b8052e32063244941315fe81199e024 (diff)
parent002b4be248e448227a718e6f7d9ee39ccc575745 (diff)
Merge upstream branch
Diffstat (limited to 'system/database')
-rw-r--r--system/database/DB_driver.php52
-rw-r--r--system/database/drivers/mssql/mssql_driver.php21
-rw-r--r--system/database/drivers/mysql/mysql_driver.php16
-rw-r--r--system/database/drivers/mysql/mysql_forge.php4
-rw-r--r--system/database/drivers/mysql/mysql_utility.php17
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php16
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php21
7 files changed, 98 insertions, 49 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index b829bbe46..6352c731e 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -107,11 +107,9 @@ class CI_DB_driver {
/**
* Initialize Database Settings
*
- * @access private Called by the constructor
- * @param mixed
- * @return void
+ * @return bool
*/
- function initialize()
+ public function initialize()
{
// If an existing connection resource is available
// there is no need to connect and select the database
@@ -125,7 +123,7 @@ class CI_DB_driver {
// Connect to the database and set the connection ID
$this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect();
- // No connection resource? Check if there is a failover else throw an error
+ // No connection resource? Check if there is a failover else throw an error
if ( ! $this->conn_id)
{
// Check if there is a failover set
@@ -167,31 +165,19 @@ class CI_DB_driver {
// ----------------------------------------------------------------
// Select the DB... assuming a database name is specified in the config file
- if ($this->database != '')
+ if ($this->database !== '' && ! $this->db_select())
{
- if ( ! $this->db_select())
- {
- log_message('error', 'Unable to select database: '.$this->database);
+ log_message('error', 'Unable to select database: '.$this->database);
- if ($this->db_debug)
- {
- $this->display_error('db_unable_to_select', $this->database);
- }
- return FALSE;
- }
- else
+ if ($this->db_debug)
{
- // We've selected the DB. Now we set the character set
- if ( ! $this->db_set_charset($this->char_set, $this->dbcollat))
- {
- return FALSE;
- }
-
- return TRUE;
+ $this->display_error('db_unable_to_select', $this->database);
}
+ return FALSE;
}
- return TRUE;
+ // Now we set the character set and that's all
+ return $this->db_set_charset($this->char_set, $this->dbcollat);
}
// --------------------------------------------------------------------
@@ -1438,7 +1424,23 @@ class CI_DB_driver {
return $item.$alias;
}
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Dummy method that allows Active Record class to be disabled
+ *
+ * This function is used extensively by every db driver.
+ *
+ * @access private
+ * @return void
+ */
+ protected function _reset_select()
+ {
+
+ }
+
}
/* End of file DB_driver.php */
-/* Location: ./system/database/DB_driver.php */
+/* Location: ./system/database/DB_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 2a1098932..25a32f364 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -114,14 +114,25 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
// Note: The brackets are required in the event that the DB name
// contains reserved characters
- return @mssql_select_db('['.$this->database.']', $this->conn_id);
+ if (@mssql_select_db('['.$database.']', $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -676,4 +687,4 @@ class CI_DB_mssql_driver extends CI_DB {
/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/mssql/mssql_driver.php */
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 067710ff0..c88a8a766 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -119,11 +119,23 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysql_select_db($this->database, $this->conn_id);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@mysql_select_db($database, $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index d3107134e..0f251b086 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -147,7 +147,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table).' ('.$this->_process_fields($fields);
+ $sql .= $this->db->protect_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
@@ -187,7 +187,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
*/
public function _drop_table($table)
{
- return 'DROP TABLE IF EXISTS '.$this->db->_escape_identifiers($table);
+ return 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table);
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index 0e7c18e16..952f887fe 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -56,7 +56,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
*/
public function _optimize_table($table)
{
- return 'OPTIMIZE TABLE '.$this->db->_escape_identifiers($table);
+ return 'OPTIMIZE TABLE '.$this->db->protect_identifiers($table);
}
// --------------------------------------------------------------------
@@ -71,7 +71,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
*/
public function _repair_table($table)
{
- return 'REPAIR TABLE '.$this->db->_escape_identifiers($table);
+ return 'REPAIR TABLE '.$this->db->protect_identifiers($table);
}
// --------------------------------------------------------------------
@@ -102,7 +102,7 @@ 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->protect_identifiers($this->db->database).'.'.$this->db->protect_identifiers($table));
// No result means the table name was invalid
if ($query === FALSE)
@@ -115,7 +115,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
if ($add_drop == TRUE)
{
- $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
+ $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
@@ -135,7 +135,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// Grab all the data from the current table
- $query = $this->db->query('SELECT * FROM '.$table);
+ $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
if ($query->num_rows() == 0)
{
@@ -157,7 +157,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
TRUE);
// Create a string of field names
- $field_str .= '`'.$field->name.'`, ';
+ $field_str .= $this->db->protect_identifiers($field->name).', ';
$i++;
}
@@ -192,14 +192,15 @@ class CI_DB_mysql_utility extends CI_DB_utility {
$val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
- $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
+ $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
- return $output.$newline.$newline;
+ $output .= $newline.$newline;
}
return $output;
}
+
}
/* End of file mysql_utility.php */
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index a79b2a4ad..dbba12e15 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -119,11 +119,23 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysqli_select_db($this->conn_id, $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@mysqli_select_db($this->conn_id, $database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 6fd52ef70..9c50209ec 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -122,12 +122,23 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
- return $this->_execute('USE ' . $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if ($this->_execute('USE '.$database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -608,4 +619,4 @@ class CI_DB_sqlsrv_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 */