Merge branch 'develop' into feature/unit-tests
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 8725045..f87cfea 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -441,7 +441,7 @@
 	 */
 	function _field_data($table)
 	{
-		return "SELECT * FROM ".$table." LIMIT 1";
+		return "DESCRIBE ".$table;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 5073896..2d2905c 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -84,14 +84,19 @@
 	function field_data()
 	{
 		$retval = array();
-		while ($field = mysql_fetch_field($this->result_id))
+		while ($field = mysql_fetch_object($this->result_id))
 		{
+			preg_match('/([a-zA-Z]+)\((\d+)\)/', $field->Type, $matches);
+
+			$type = $matches[1];
+			$length = (int)$matches[2];
+
 			$F				= new stdClass();
-			$F->name		= $field->name;
-			$F->type		= $field->type;
-			$F->default		= $field->def;
-			$F->max_length	= $field->max_length;
-			$F->primary_key = $field->primary_key;
+			$F->name		= $field->Field;
+			$F->type		= $type;
+			$F->default		= $field->Default;
+			$F->max_length	= $length;
+			$F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
 
 			$retval[] = $F;
 		}
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index ddcaff3..ccd110f 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -442,7 +442,7 @@
 	 */
 	function _field_data($table)
 	{
-		return "SELECT * FROM ".$table." LIMIT 1";
+		return "DESCRIBE ".$table;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index c4d8f5d..ac86305 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -84,21 +84,26 @@
 	function field_data()
 	{
 		$retval = array();
-		while ($field = mysqli_fetch_field($this->result_id))
+		while ($field = mysqli_fetch_object($this->result_id))
 		{
+			preg_match('/([a-zA-Z]+)\((\d+)\)/', $field->Type, $matches);
+
+			$type = $matches[1];
+			$length = (int)$matches[2];
+
 			$F				= new stdClass();
-			$F->name		= $field->name;
-			$F->type		= $field->type;
-			$F->default		= $field->def;
-			$F->max_length	= $field->max_length;
-			$F->primary_key = ($field->flags & MYSQLI_PRI_KEY_FLAG) ? 1 : 0;
+			$F->name		= $field->Field;
+			$F->type		= $type;
+			$F->default		= $field->Default;
+			$F->max_length	= $length;
+			$F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 );
 
 			$retval[] = $F;
 		}
 
 		return $retval;
 	}
-
+	
 	// --------------------------------------------------------------------
 
 	/**
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php
index 3177424..8f324de 100644
--- a/system/libraries/Upload.php
+++ b/system/libraries/Upload.php
@@ -30,6 +30,7 @@
 	public $max_width				= 0;
 	public $max_height				= 0;
 	public $max_filename			= 0;
+	public $max_filename_increment 	= 100;
 	public $allowed_types			= "";
 	public $file_temp				= "";
 	public $file_name				= "";
@@ -80,31 +81,32 @@
 	public function initialize($config = array())
 	{
 		$defaults = array(
-							'max_size'			=> 0,
-							'max_width'			=> 0,
-							'max_height'		=> 0,
-							'max_filename'		=> 0,
-							'allowed_types'		=> "",
-							'file_temp'			=> "",
-							'file_name'			=> "",
-							'orig_name'			=> "",
-							'file_type'			=> "",
-							'file_size'			=> "",
-							'file_ext'			=> "",
-							'upload_path'		=> "",
-							'overwrite'			=> FALSE,
-							'encrypt_name'		=> FALSE,
-							'is_image'			=> FALSE,
-							'image_width'		=> '',
-							'image_height'		=> '',
-							'image_type'		=> '',
-							'image_size_str'	=> '',
-							'error_msg'			=> array(),
-							'mimes'				=> array(),
-							'remove_spaces'		=> TRUE,
-							'xss_clean'			=> FALSE,
-							'temp_prefix'		=> "temp_file_",
-							'client_name'		=> ''
+							'max_size'					=> 0,
+							'max_width'					=> 0,
+							'max_height'				=> 0,
+							'max_filename'				=> 0,
+							'max_filename_increment'	=> 100,
+							'allowed_types'				=> "",
+							'file_temp'					=> "",
+							'file_name'					=> "",
+							'orig_name'					=> "",
+							'file_type'					=> "",
+							'file_size'					=> "",
+							'file_ext'					=> "",
+							'upload_path'				=> "",
+							'overwrite'					=> FALSE,
+							'encrypt_name'				=> FALSE,
+							'is_image'					=> FALSE,
+							'image_width'				=> '',
+							'image_height'				=> '',
+							'image_type'				=> '',
+							'image_size_str'			=> '',
+							'error_msg'					=> array(),
+							'mimes'						=> array(),
+							'remove_spaces'				=> TRUE,
+							'xss_clean'					=> FALSE,
+							'temp_prefix'				=> "temp_file_",
+							'client_name'				=> ''
 						);
 
 
@@ -402,7 +404,7 @@
 		$filename = str_replace($this->file_ext, '', $filename);
 
 		$new_filename = '';
-		for ($i = 1; $i < 100; $i++)
+		for ($i = 1; $i < $this->max_filename_increment; $i++)
 		{
 			if ( ! file_exists($path.$filename.$i.$this->file_ext))
 			{
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index bb05f99..301b264 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -89,6 +89,7 @@
 			<li class="reactor">Added support to set an optional parameter in your callback rules of validation using the <a href="libraries/form_validation.html">Form Validation Library</a>.</li>
 			<li class="reactor">Added a <a href="libraries/migration.html">Migration Library</a> to assist with applying incremental updates to your database schema.</li>
 			<li class="reactor">Driver children can be located in any package path.</li>
+			<li class="reactor">Added max_filename_increment config setting for Upload library.</li>
 		</ul>
 	</li>
 </ul>
@@ -102,6 +103,7 @@
     <li class="reactor">Fixed a bug (#200) where MySQL queries would be malformed after calling <samp>count_all()</samp> then <samp>db->get()</samp></li>
     <li>Fixed a bug (#181) where a mis-spelling was in the form validation language file.</li>
 	<li>Fixed a bug (#160) - Removed unneeded array copy in the file cache driver.</li>
+	<li>Fixed a bug (#150) - <samp>field_data()</samp> now correctly returns column length.</li>
 </ul>
 
 <h2>Version 2.0.3</h2>
diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index a88c672..94b2193 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -305,6 +305,13 @@
 </tr>
 
 <tr>
+<td class="td"><strong>max_filename_increment</strong></td>
+<td class="td">100</td>
+<td class="td">None</td>
+<td class="td">When overwrite is set to FALSE, use this to set the maximum filename increment for CodeIgniter to append to the filename.</td>
+</tr>
+
+<tr>
 <td class="td"><strong>encrypt_name</strong></td>
 <td class="td">FALSE</td>
 <td class="td">TRUE/FALSE (boolean)</td>