added unbuffered_row() to DB_result.php to avoid memory exhausting when dealing with large results.

1 files changed, 18 insertions, 0 deletions

diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index 196febe2c..574cd9858 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -371,6 +371,24 @@ class CI_DB_result {
 	// --------------------------------------------------------------------
 
 	/**
+	 * Returns an unbuffered row and move pointer to next row
+	 *
+	 * @return	object
+	 */
+	public function unbuffered_row($type = 'object')
+	{
+		if ($type == 'object')
+		{
+			return $this->_fetch_object();
+		} else
+		{
+			return $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.