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-rw-r--r--system/database/DB_result.php67
1 files changed, 43 insertions, 24 deletions
diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index 730443222..991f6ba94 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -47,11 +47,17 @@ class CI_DB_result {
public $num_rows = 0;
public $row_data = NULL;
+ public function __construct(&$driver_object)
+ {
+ $this->conn_id = $driver_object->conn_id;
+ $this->result_id = $driver_object->result_id;
+ }
+
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @param string can be "object" or "array"
- * @return mixed either a result object or array
+ * @return object
*/
public function result($type = 'object')
{
@@ -75,7 +81,7 @@ class CI_DB_result {
return $this->custom_result_object[$class_name];
}
- if ($this->result_id === FALSE OR $this->num_rows() == 0)
+ if ($this->result_id === FALSE OR $this->num_rows() === 0)
{
return array();
}
@@ -102,9 +108,9 @@ class CI_DB_result {
// --------------------------------------------------------------------
/**
- * Query result. "object" version.
+ * Query result. "object" version.
*
- * @return object
+ * @return array
*/
public function result_object()
{
@@ -116,7 +122,7 @@ class CI_DB_result {
// In the event that query caching is on the result_id variable
// will return FALSE since there isn't a valid SQL resource so
// we'll simply return an empty array.
- if ($this->result_id === FALSE OR $this->num_rows() == 0)
+ if ($this->result_id === FALSE OR $this->num_rows() === 0)
{
return array();
}
@@ -147,7 +153,7 @@ class CI_DB_result {
// In the event that query caching is on the result_id variable
// will return FALSE since there isn't a valid SQL resource so
// we'll simply return an empty array.
- if ($this->result_id === FALSE OR $this->num_rows() == 0)
+ if ($this->result_id === FALSE OR $this->num_rows() === 0)
{
return array();
}
@@ -218,7 +224,7 @@ class CI_DB_result {
return;
}
- if ($key != '' AND ! is_null($value))
+ if ($key !== '' && ! is_null($value))
{
$this->row_data[$key] = $value;
}
@@ -236,10 +242,10 @@ class CI_DB_result {
$result = $this->custom_result_object($type);
if (count($result) === 0)
{
- return $result;
+ return NULL;
}
- if ($n != $this->current_row AND isset($result[$n]))
+ if ($n !== $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
@@ -247,6 +253,8 @@ class CI_DB_result {
return $result[$this->current_row];
}
+ // --------------------------------------------------------------------
+
/**
* Returns a single result row - object version
*
@@ -257,10 +265,10 @@ class CI_DB_result {
$result = $this->result_object();
if (count($result) === 0)
{
- return $result;
+ return NULL;
}
- if ($n != $this->current_row AND isset($result[$n]))
+ if ($n !== $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
@@ -280,10 +288,10 @@ class CI_DB_result {
$result = $this->result_array();
if (count($result) === 0)
{
- return $result;
+ return NULL;
}
- if ($n != $this->current_row AND isset($result[$n]))
+ if ($n !== $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
@@ -291,7 +299,6 @@ class CI_DB_result {
return $result[$this->current_row];
}
-
// --------------------------------------------------------------------
/**
@@ -302,7 +309,7 @@ class CI_DB_result {
public function first_row($type = 'object')
{
$result = $this->result($type);
- return (count($result) === 0) ? $result : $result[0];
+ return (count($result) === 0) ? NULL : $result[0];
}
// --------------------------------------------------------------------
@@ -315,7 +322,7 @@ class CI_DB_result {
public function last_row($type = 'object')
{
$result = $this->result($type);
- return (count($result) === 0) ? $result : $result[count($result) - 1];
+ return (count($result) === 0) ? NULL : $result[count($result) - 1];
}
// --------------------------------------------------------------------
@@ -330,7 +337,7 @@ class CI_DB_result {
$result = $this->result($type);
if (count($result) === 0)
{
- return $result;
+ return NULL;
}
if (isset($result[$this->current_row + 1]))
@@ -353,7 +360,7 @@ class CI_DB_result {
$result = $this->result($type);
if (count($result) === 0)
{
- return $result;
+ return NULL;
}
if (isset($result[$this->current_row - 1]))
@@ -366,11 +373,23 @@ class CI_DB_result {
// --------------------------------------------------------------------
/**
+ * Returns an unbuffered row and move pointer to next row
+ *
+ * @return mixed either a result object or array
+ */
+ public function unbuffered_row($type = 'object')
+ {
+ return ($type !== 'array') ? $this->_fetch_object() : $this->_fetch_assoc();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* The following functions are normally overloaded by the identically named
* methods in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver.
+ * is used. When caching is enabled we do not load the other driver.
* These functions are primarily here to prevent undefined function errors
- * when a cached result object is in use. They are not otherwise fully
+ * when a cached result object is in use. They are not otherwise fully
* operational due to the unavailability of the database resource IDs with
* cached results.
*/
@@ -378,12 +397,12 @@ class CI_DB_result {
public function num_fields() { return 0; }
public function list_fields() { return array(); }
public function field_data() { return array(); }
- public function free_result() { return TRUE; }
- protected function _data_seek() { return TRUE; }
+ public function free_result() { $this->result_id = FALSE; }
+ protected function _data_seek() { return FALSE; }
protected function _fetch_assoc() { return array(); }
protected function _fetch_object() { return array(); }
}
/* End of file DB_result.php */
-/* Location: ./system/database/DB_result.php */
+/* Location: ./system/database/DB_result.php */ \ No newline at end of file