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-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php328
1 files changed, 26 insertions, 302 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index bed3d8685..6b67b7546 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_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 2.0.2
+ * @since Version 2.1
* @filesource
*/
@@ -29,7 +29,7 @@
* CUBRID 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
@@ -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 = '';
@@ -74,7 +74,7 @@ class CI_DB_cubrid_driver extends CI_DB {
else
{
// If no port is defined by the user, use the default value
- $this->port == '' OR $this->port = 33000;
+ empty($this->port) OR $this->port = 33000;
}
}
@@ -159,22 +159,6 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Select the database
- *
- * @return resource
- */
- public function db_select()
- {
- // In CUBRID there is no need to select a database as the database
- // is chosen at the connection time.
- // So, to determine if the database is "selected", all we have to
- // do is ping the server and return that value.
- return cubrid_ping($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Database version number
*
* @return string
@@ -208,13 +192,8 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -222,7 +201,7 @@ class CI_DB_cubrid_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
if (cubrid_get_autocommit($this->conn_id))
{
@@ -241,13 +220,8 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -271,13 +245,8 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -313,7 +282,9 @@ class CI_DB_cubrid_driver extends CI_DB {
return $str;
}
- if (function_exists('cubrid_real_escape_string') AND is_resource($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, $this->conn_id);
}
@@ -325,7 +296,7 @@ class CI_DB_cubrid_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array('%', '_'), array('\\%', '\\_'), $str);
}
return $str;
@@ -358,35 +329,6 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified table
- *
- * @param string
- * @return int
- */
- public function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
@@ -396,11 +338,11 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES";
+ $sql = 'SHOW TABLES';
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
- $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'";
+ return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
@@ -433,7 +375,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
protected function _field_data($table)
{
- return "SELECT * FROM ".$table." LIMIT 1";
+ return 'SELECT * FROM '.$table.' LIMIT 1';
}
// --------------------------------------------------------------------
@@ -451,157 +393,9 @@ class CI_DB_cubrid_driver extends CI_DB {
return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));
}
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @param string
- * @return string
- */
- public function _escape_identifiers($item)
- {
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
-
// --------------------------------------------------------------------
/**
- * From Tables
- *
- * This function implicitly groups FROM tables so there is no confusion
- * about operator precedence in harmony with SQL standards
- *
- * @param array
- * @return string
- */
- protected function _from_tables($tables)
- {
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _replace($table, $keys, $values)
- {
- return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = sprintf('"%s" = %s', $key, $val);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
@@ -614,90 +408,30 @@ class CI_DB_cubrid_driver extends CI_DB {
protected function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
- $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
-
foreach ($values as $key => $val)
{
$ids[] = $val[$index];
foreach (array_keys($val) as $field)
{
- if ($field != $index)
+ if ($field !== $index)
{
$final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field];
}
}
}
- $sql = "UPDATE ".$table." SET ";
$cases = '';
-
foreach ($final as $k => $v)
{
- $cases .= $k.' = CASE '."\n";
- foreach ($v as $row)
- {
- $cases .= $row."\n";
- }
-
- $cases .= 'ELSE '.$k.' END, ';
- }
-
- $sql .= substr($cases, 0, -2);
-
- $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @param string the table name
- * @return string
- */
- protected function _truncate($table)
- {
- return "TRUNCATE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
+ $cases .= $k." = CASE \n"
+ .implode("\n", $v)
+ .'ELSE '.$k.' END, ';
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN ('.implode(',', $ids).')';
}
// --------------------------------------------------------------------
@@ -714,16 +448,7 @@ class CI_DB_cubrid_driver extends CI_DB {
*/
protected function _limit($sql, $limit, $offset)
{
- if ($offset == 0)
- {
- $offset = '';
- }
- else
- {
- $offset .= ", ";
- }
-
- return $sql."LIMIT ".$offset.$limit;
+ return $sql.'LIMIT '.($offset == 0 ? '' : $offset.', ').$limit;
}
// --------------------------------------------------------------------
@@ -731,12 +456,11 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Close DB Connection
*
- * @param resource
* @return void
*/
- protected function _close($conn_id)
+ protected function _close()
{
- @cubrid_close($conn_id);
+ @cubrid_close($this->conn_id);
}
}