4 files changed, 6 insertions, 5 deletions
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 2d2905c98..6ceaf4b9b 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -86,10 +86,10 @@ class CI_DB_mysql_result extends CI_DB_result {
 		$retval = array();
 		while ($field = mysql_fetch_object($this->result_id))
 		{
-			preg_match('/([a-zA-Z]+)\((\d+)\)/', $field->Type, $matches);
+			preg_match('/([a-zA-Z]+)(\((\d+)\))?/i', $field->Type, $matches);
 
 			$type = $matches[1];
-			$length = (int)$matches[2];
+			$length = isset($matches[3]) ? (int) $matches[3] : NULL;
 
 			$F				= new stdClass();
 			$F->name		= $field->Field;
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index ac863056a..bbfb8481a 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -86,10 +86,10 @@ class CI_DB_mysqli_result extends CI_DB_result {
 		$retval = array();
 		while ($field = mysqli_fetch_object($this->result_id))
 		{
-			preg_match('/([a-zA-Z]+)\((\d+)\)/', $field->Type, $matches);
+			preg_match('/([a-zA-Z]+)(\((\d+)\))?/i', $field->Type, $matches);
 
 			$type = $matches[1];
-			$length = (int)$matches[2];
+			$length = isset($matches[3]) ? (int) $matches[3] : NULL;
 
 			$F				= new stdClass();
 			$F->name		= $field->Field;
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index 42cfaaefb..d4adfd528 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -404,6 +404,7 @@ class CI_DB_oci8_driver extends CI_DB {
 		}
 
 		$str = remove_invisible_characters($str);
+		$str = str_replace("'", "''", $str);
 
 		// escape LIKE condition wildcards
 		if ($like === TRUE)
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 5e764e071..08cd27b6c 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -50,7 +50,7 @@ class CI_DB_odbc_driver extends CI_DB {
 
 	function CI_DB_odbc_driver($params)
 	{
-		parent::CI_DB($params);
+		parent::CI_DB_driver($params);
 
 		$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
 	}