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authorAndrey Andreev <narf@bofh.bg>2012-02-15 13:35:11 +0100
committerAndrey Andreev <narf@bofh.bg>2012-02-15 13:35:11 +0100
commit394a3f171c72176d3e31a2562e604a26a703f957 (patch)
treed1cb8734fb28572b346797ddc816c882d2a00eca /system
parentcac407d6399e9325454b48418cf3fce873ce1b14 (diff)
Add improvements from @CUBRID's implementation
Diffstat (limited to 'system')
-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php33
-rw-r--r--system/database/drivers/cubrid/cubrid_forge.php26
-rw-r--r--system/database/drivers/cubrid/cubrid_result.php54
-rw-r--r--system/database/drivers/cubrid/cubrid_utility.php11
4 files changed, 46 insertions, 78 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index 147e463ce..aa8e997ce 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -43,7 +43,7 @@ class CI_DB_cubrid_driver extends CI_DB {
public $dbdriver = 'cubrid';
// The character used for escaping - no need in CUBRID
- protected $_escape_char = '';
+ protected $_escape_char = '`';
// clause and character used for LIKE escape sequences - not used in CUBRID
protected $_like_escape_str = '';
@@ -135,12 +135,6 @@ class CI_DB_cubrid_driver extends CI_DB {
: $_temp($this->hostname, $this->port, $this->database);
}
- if ($conn_id)
- {
- $_temp = ($this->auto_commit) ? CUBRID_AUTOCOMMIT_TRUE : CUBRID_AUTOCOMMIT_FALSE;
- cubrid_set_autocommit($conn_id, $_temp);
- }
-
return $conn_id;
}
@@ -332,7 +326,9 @@ class CI_DB_cubrid_driver extends CI_DB {
return $str;
}
- if (function_exists('cubrid_real_escape_string') && is_resource($this->conn_id))
+ if (function_exists('cubrid_real_escape_string') &&
+ (is_resource($this->conn_id)
+ OR (get_resource_type($this->conn_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->conn_id)))))
{
$str = cubrid_real_escape_string($str, $this->conn_id);
}
@@ -359,7 +355,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
public function affected_rows()
{
- return @cubrid_affected_rows($this->conn_id);
+ return @cubrid_affected_rows();
}
// --------------------------------------------------------------------
@@ -550,7 +546,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
protected function _insert($table, $keys, $values)
{
- return 'INSERT INTO '.$table.' ("'.implode('", "', $keys).'") VALUES ('.implode(', ', $values).')';
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
}
// --------------------------------------------------------------------
@@ -568,7 +564,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
protected function _replace($table, $keys, $values)
{
- return 'REPLACE INTO '.$table.' ("'.implode('", "', $keys).'") VALUES ('.implode(', ', $values).')';
+ return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
}
// --------------------------------------------------------------------
@@ -585,7 +581,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
protected function _insert_batch($table, $keys, $values)
{
- return 'INSERT INTO '.$table.' ("'.implode('", "', $keys).'") VALUES '.implode(', ', $values);
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values);
}
// --------------------------------------------------------------------
@@ -602,15 +598,20 @@ class CI_DB_cubrid_driver extends CI_DB {
* @param array the limit clause
* @return string
*/
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
foreach ($values as $key => $val)
{
- $valstr[] = sprintf('"%s" = %s', $key, $val);
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = ($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '';
+ if (count($like) > 0)
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
}
- return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
- .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '')
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where
.(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '')
.( ! $limit ? '' : ' LIMIT '.$limit);
}
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
index 11143a05f..5f7985705 100644
--- a/system/database/drivers/cubrid/cubrid_forge.php
+++ b/system/database/drivers/cubrid/cubrid_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 3.0
* @filesource
*/
@@ -42,8 +42,8 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
*/
public function _create_database($name)
{
- // CUBRID does not allow to create a database in SQL. The GUI tools
- // have to be used for this purpose.
+ // CUBRID does not allow to create a database in SQL. GUI or
+ // command line tools have to be used for this purpose.
return FALSE;
}
@@ -57,8 +57,8 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
*/
public function _drop_database($name)
{
- // CUBRID does not allow to drop a database in SQL. The GUI tools
- // have to be used for this purpose.
+ // CUBRID does not allow to drop a database in SQL. GUI or
+ // command line tools have to be used for this purpose.
return FALSE;
}
@@ -88,7 +88,7 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t\"".$this->db->protect_identifiers($field).'"'
+ $sql .= "\n\t".$this->db->protect_identifiers($field)
.( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : '');
if ( ! empty($attributes['TYPE']))
@@ -104,7 +104,9 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
case 'numeric':
$sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
break;
- case 'enum': // As of version 8.4.0 CUBRID does not support enum data type
+ case 'enum':
+ // Will be supported in the future as part a part of
+ // MySQL compatibility features.
break;
case 'set':
$sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
@@ -115,7 +117,7 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
}
}
- /* As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type.
+ /* As of version 8.4.1 CUBRID does not support UNSIGNED INTEGER data type.
* Will be supported in the next release as a part of MySQL Compatibility.
*
if (isset($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
@@ -156,7 +158,7 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
$sql = 'CREATE TABLE ';
- /* As of version 8.4.0 CUBRID does not support this SQL syntax.
+ /* As of version 8.4.1 CUBRID does not support this SQL syntax.
if ($if_not_exists === TRUE)
{
$sql .= 'IF NOT EXISTS ';
@@ -168,7 +170,7 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
// If there is a PK defined
if (count($primary_keys) > 0)
{
- $key_name = 'pk_'.$table.'_'.$this->db->protect_identifiers(implode('_', $primary_keys));
+ $key_name = $this->db->protect_identifiers('pk_'.$table.'_'.implode('_', $primary_keys));
$sql .= ",\n\tCONSTRAINT ".$key_name.' PRIMARY KEY('.implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
@@ -178,12 +180,12 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->protect_identifiers(implode('_', $key));
+ $key_name = $this->db->protect_identifiers('idx_'.$table.implode('_', $key));
$key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers('idx_'.$table.$key);
$key = array($key_name);
}
diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php
index 7a72cdde4..3351b3430 100644
--- a/system/database/drivers/cubrid/cubrid_result.php
+++ b/system/database/drivers/cubrid/cubrid_result.php
@@ -83,51 +83,21 @@ class CI_DB_cubrid_result extends CI_DB_result {
*/
public function field_data()
{
- $retval = $tablePrimaryKeys = array();
+ $retval = array();
+ $i = 0;
while ($field = cubrid_fetch_field($this->result_id))
{
- $F = new stdClass();
- $F->name = $field->name;
- $F->type = $field->type;
- $F->default = $field->def;
- $F->max_length = $field->max_length;
-
- // At this moment primary_key property is not returned when
- // cubrid_fetch_field is called. The following code will
- // provide a patch for it. primary_key property will be added
- // in the next release.
-
- // TODO: later version of CUBRID will provide primary_key
- // property.
- // When PK is defined in CUBRID, an index is automatically
- // created in the db_index system table in the form of
- // pk_tblname_fieldname. So the following will count how many
- // columns are there which satisfy this format.
- // The query will search for exact single columns, thus
- // compound PK is not supported.
- $res = cubrid_query($this->conn_id,
- "SELECT COUNT(*) FROM db_index WHERE class_name = '".$field->table
- ."' AND is_primary_key = 'YES' AND index_name = 'pk_".$field->table.'_'.$field->name."'"
- );
-
- if ($res)
- {
- $row = cubrid_fetch_array($res, CUBRID_NUM);
- $F->primary_key = ($row[0] > 0 ? 1 : NULL);
- }
- else
- {
- $F->primary_key = NULL;
- }
-
- if (is_resource($res))
- {
- cubrid_close_request($res);
- $this->result_id = FALSE;
- }
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $field->name;
+ // CUBRID returns type as e.g. varchar(100),
+ // so we need to remove all digits and brackets.
+ $retval[$i]->type = preg_replace('/[\d()]/', '', $field->type);
+ $retval[$i]->default = $field->def;
+ // Use CUBRID's native API to obtain column's max_length,
+ // otherwise $field->max_length has incorrect info
+ $retval[$i]->max_length = cubrid_field_len($this->result_id, $i);
+ $retval[$i++]->primary_key = $field->primary_key;
}
return $retval;
diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php
index dbfbe5f6b..ab9056ffb 100644
--- a/system/database/drivers/cubrid/cubrid_utility.php
+++ b/system/database/drivers/cubrid/cubrid_utility.php
@@ -21,7 +21,7 @@
* @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
- * @since Version 1.0
+ * @since Version 3.0
* @filesource
*/
@@ -39,14 +39,9 @@ class CI_DB_cubrid_utility extends CI_DB_utility {
*
* @return array
*/
- public function _list_databases()
+ public function list_databases()
{
- // CUBRID does not allow to see the list of all databases on the
- // server. It is the way its architecture is designed. Every
- // database is independent and isolated.
- // For this reason we can return only the name of the currect
- // connected database.
- return "SELECT '".$this->database."'";
+ return $this->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id);
}
// --------------------------------------------------------------------