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Diffstat (limited to 'system/database/drivers/pdo/subdrivers/pdo_oci_driver.php')
-rw-r--r--system/database/drivers/pdo/subdrivers/pdo_oci_driver.php62
1 files changed, 44 insertions, 18 deletions
diff --git a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
index b03218fad..e1beb3683 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 3.0.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Oracle Database Adapter Class
@@ -40,24 +41,49 @@
*/
class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
+ /**
+ * Sub-driver
+ *
+ * @var string
+ */
public $subdriver = 'oci';
+ // --------------------------------------------------------------------
+
/**
- * The syntax to count rows is slightly different across different
- * database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
+ * List of reserved identifiers
+ *
+ * Identifiers that must NOT be escaped.
+ *
+ * @var string[]
+ */
+ protected $_reserved_identifiers = array('*', 'rownum');
+
+ /**
+ * ORDER BY random keyword
+ *
+ * @var string
*/
- protected $_count_string = 'SELECT COUNT(1) AS ';
protected $_random_keyword = ' ASC'; // Currently not supported
- protected $_reserved_identifiers = array('*', 'rownum');
+ /**
+ * COUNT string
+ *
+ * @used-by CI_DB_driver::count_all()
+ * @used-by CI_DB_query_builder::count_all_results()
+ *
+ * @var string
+ */
+ protected $_count_string = 'SELECT COUNT(1) AS ';
+
+ // --------------------------------------------------------------------
/**
- * Constructor
+ * Class constructor
*
* Builds the DSN if not already set.
*
- * @param array
+ * @param array $params
* @return void
*/
public function __construct($params)
@@ -97,7 +123,7 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @param bool
+ * @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
@@ -120,7 +146,7 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _list_columns($table = '')
@@ -135,7 +161,7 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _field_data($table)
@@ -146,11 +172,11 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
// --------------------------------------------------------------------
/**
- * Insert_batch statement
+ * Insert batch statement
*
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param string $table Table name
+ * @param array $keys INSERT keys
+ * @param array $values INSERT values
* @return string
*/
protected function _insert_batch($table, $keys, $values)
@@ -173,7 +199,7 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
*
* Generates a platform-specific delete string from the supplied data
*
- * @param string the table name
+ * @param string $table
* @return string
*/
protected function _delete($table)
@@ -190,11 +216,11 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
// --------------------------------------------------------------------
/**
- * Limit string
+ * LIMIT
*
* Generates a platform-specific LIMIT clause
*
- * @param string the sql query string
+ * @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)