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-rw-r--r--system/database/drivers/cubrid/cubrid_utility.php6
-rw-r--r--system/database/drivers/interbase/interbase_forge.php8
-rw-r--r--system/database/drivers/mssql/mssql_driver.php25
-rw-r--r--system/database/drivers/mysqli/mysqli_utility.php119
-rw-r--r--system/database/drivers/postgre/postgre_driver.php9
-rw-r--r--system/database/drivers/sqlite/sqlite_forge.php8
-rw-r--r--system/database/drivers/sqlite3/sqlite3_forge.php8
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php27
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_forge.php2
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_result.php2
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_utility.php2
11 files changed, 198 insertions, 18 deletions
diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php
index c8cee99b6..ea8feb4e2 100644
--- a/system/database/drivers/cubrid/cubrid_utility.php
+++ b/system/database/drivers/cubrid/cubrid_utility.php
@@ -41,12 +41,12 @@ class CI_DB_cubrid_utility extends CI_DB_utility {
*/
public function list_databases()
{
- if (isset($this->data_cache['db_names']))
+ if (isset($this->db->data_cache['db_names']))
{
- return $this->data_cache['db_names'];
+ return $this->db->data_cache['db_names'];
}
- return $this->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id);
+ return $this->db->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id);
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/interbase/interbase_forge.php b/system/database/drivers/interbase/interbase_forge.php
index 3f9967f1f..d1b006e80 100644
--- a/system/database/drivers/interbase/interbase_forge.php
+++ b/system/database/drivers/interbase/interbase_forge.php
@@ -67,6 +67,14 @@ class CI_DB_interbase_forge extends CI_DB_forge {
{
return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
+ elseif ( ! empty($this->db->data_cache['db_names']))
+ {
+ $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
+ if ($key !== FALSE)
+ {
+ unset($this->db->data_cache['db_names'][$key]);
+ }
+ }
return TRUE;
}
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 87094e76e..47dc55844 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -504,7 +504,30 @@ class CI_DB_mssql_driver extends CI_DB {
*/
protected function _limit($sql, $limit, $offset)
{
- return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.($limit + $offset).' ', $sql);
+ // As of SQL Server 2012 (11.0.*) OFFSET is supported
+ if (version_compare($this->version(), '11', '>='))
+ {
+ return $sql.' OFFSET '.(int) $offset.' ROWS FETCH NEXT '.(int) $limit.' ROWS ONLY';
+ }
+
+ $limit = $offset + $limit;
+
+ // As of SQL Server 2005 (9.0.*) ROW_NUMBER() is supported,
+ // however an ORDER BY clause is required for it to work
+ if (version_compare($this->version(), '9', '>=') && $offset && ! empty($this->qb_orderby))
+ {
+ $orderby = 'ORDER BY '.implode(', ', $this->qb_orderby);
+
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, 'ORDER BY '.$orderby)));
+
+ return 'SELECT '.(count($this->qb_select) === 0 ? '*' : implode(', ', $this->qb_select))." FROM (\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.$orderby.') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.((int) $offset + 1).' AND '.$limit;
+ }
+
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index 27d4ef817..5d2bdbce0 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -46,9 +46,124 @@ class CI_DB_mysqli_utility extends CI_DB_utility {
*/
protected function _backup($params = array())
{
- // Currently unsupported
- return $this->db->display_error('db_unsuported_feature');
+ if (count($params) === 0)
+ {
+ return FALSE;
+ }
+
+ // Extract the prefs for simplicity
+ extract($params);
+
+ // Build the output
+ $output = '';
+ foreach ( (array) $tables as $table)
+ {
+ // Is the table in the "ignore" list?
+ if (in_array($table, (array) $ignore, TRUE))
+ {
+ continue;
+ }
+
+ // Get the table schema
+ $query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
+
+ // No result means the table name was invalid
+ if ($query === FALSE)
+ {
+ continue;
+ }
+
+ // Write out the table schema
+ $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
+
+ if ($add_drop === TRUE)
+ {
+ $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
+ }
+
+ $i = 0;
+ $result = $query->result_array();
+ foreach ($result[0] as $val)
+ {
+ if ($i++ % 2)
+ {
+ $output .= $val.';'.$newline.$newline;
+ }
+ }
+
+ // If inserts are not needed we're done...
+ if ($add_insert === FALSE)
+ {
+ continue;
+ }
+
+ // Grab all the data from the current table
+ $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
+
+ if ($query->num_rows() === 0)
+ {
+ continue;
+ }
+
+ // Fetch the field names and determine if the field is an
+ // integer type. We use this info to decide whether to
+ // surround the data with quotes or not
+
+ $i = 0;
+ $field_str = '';
+ $is_int = array();
+ while ($field = $query->result_id->fetch_field())
+ {
+ // Most versions of MySQL store timestamp as a string
+ $is_int[$i] = in_array(strtolower($field->type),
+ array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
+ TRUE);
+
+ // Create a string of field names
+ $field_str .= $this->db->escape_identifiers($field->name).', ';
+ $i++;
+ }
+
+ // Trim off the end comma
+ $field_str = preg_replace('/, $/' , '', $field_str);
+
+ // Build the insert string
+ foreach ($query->result_array() as $row)
+ {
+ $val_str = '';
+
+ $i = 0;
+ foreach ($row as $v)
+ {
+ // Is the value NULL?
+ if ($v === NULL)
+ {
+ $val_str .= 'NULL';
+ }
+ else
+ {
+ // Escape the data if it's not an integer
+ $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
+ }
+
+ // Append a comma
+ $val_str .= ', ';
+ $i++;
+ }
+
+ // Remove the comma at the end of the string
+ $val_str = preg_replace('/, $/' , '', $val_str);
+
+ // Build the INSERT string
+ $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
+ }
+
+ $output .= $newline.$newline;
+ }
+
+ return $output;
}
+
}
/* End of file mysqli_utility.php */
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 7375fbf71..ad9ac9000 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -615,6 +615,10 @@ class CI_DB_postgre_driver extends CI_DB {
{
$prefix = (count($this->qb_where) === 0 && count($this->qb_cache_where) === 0) ? '' : $type;
+ $k = $this->_has_operator($k)
+ ? $this->protect_identifiers(substr($k, 0, strpos(rtrim($k), ' ')), FALSE, $escape).strchr(rtrim($k), ' ')
+ : $this->protect_identifiers($k, FALSE, $escape);
+
if (is_null($v) && ! $this->_has_operator($k))
{
// value appears not to have been set, assign the test to IS NULL
@@ -625,7 +629,6 @@ class CI_DB_postgre_driver extends CI_DB {
{
if ($escape === TRUE)
{
- $k = $this->protect_identifiers($k, FALSE, $escape);
$v = ' '.$this->escape($v);
}
elseif (is_bool($v))
@@ -638,10 +641,6 @@ class CI_DB_postgre_driver extends CI_DB {
$k .= ' = ';
}
}
- else
- {
- $k = $this->protect_identifiers($k, FALSE, $escape);
- }
$this->qb_where[] = $prefix.$k.$v;
if ($this->qb_caching === TRUE)
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 71eed7df4..e02e327f3 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -61,6 +61,14 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
{
return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
+ elseif ( ! empty($this->db->data_cache['db_names']))
+ {
+ $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
+ if ($key !== FALSE)
+ {
+ unset($this->db->data_cache['db_names'][$key]);
+ }
+ }
return TRUE;
}
diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php
index f8bd11656..6a76ba929 100644
--- a/system/database/drivers/sqlite3/sqlite3_forge.php
+++ b/system/database/drivers/sqlite3/sqlite3_forge.php
@@ -66,6 +66,14 @@ class CI_DB_sqlite3_forge extends CI_DB_forge {
{
return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
+ elseif ( ! empty($this->db->data_cache['db_names']))
+ {
+ $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
+ if ($key !== FALSE)
+ {
+ unset($this->db->data_cache['db_names'][$key]);
+ }
+ }
return TRUE;
}
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 655a9e90b..825c02452 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -21,7 +21,7 @@
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
@@ -463,9 +463,28 @@ class CI_DB_sqlsrv_driver extends CI_DB {
protected function _limit($sql, $limit, $offset)
{
// As of SQL Server 2012 (11.0.*) OFFSET is supported
- return version_compare($this->version(), '11', '>=')
- ? $sql.' OFFSET '.(int) $offset.' ROWS FETCH NEXT '.(int) $limit.' ROWS ONLY'
- : preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.($limit + $offset).' ', $sql);
+ if (version_compare($this->version(), '11', '>='))
+ {
+ return $sql.' OFFSET '.(int) $offset.' ROWS FETCH NEXT '.(int) $limit.' ROWS ONLY';
+ }
+
+ $limit = $offset + $limit;
+
+ // An ORDER BY clause is required for ROW_NUMBER() to work
+ if ($offset && ! empty($this->qb_orderby))
+ {
+ $orderby = 'ORDER BY '.implode(', ', $this->qb_orderby);
+
+ // We have to strip the ORDER BY clause
+ $sql = trim(substr($sql, 0, strrpos($sql, 'ORDER BY '.$orderby)));
+
+ return 'SELECT '.(count($this->qb_select) === 0 ? '*' : implode(', ', $this->qb_select))." FROM (\n"
+ .preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.$orderby.') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
+ ."\n) ".$this->escape_identifiers('CI_subquery')
+ ."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.((int) $offset + 1).' AND '.$limit;
+ }
+
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index e6f7e1ac1..ccdb36929 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -21,7 +21,7 @@
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php
index f802383d2..f9d5a0d29 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_result.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_result.php
@@ -21,7 +21,7 @@
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php
index 5a71b1628..d518cc15a 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_utility.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php
@@ -21,7 +21,7 @@
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 2.0.3
* @filesource
*/
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-06 15:50:15 +0100