merged with latest develop.

4 files changed, 64 insertions, 6 deletions

diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 071ce4327..ba646d226 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -144,10 +144,9 @@ class CI_DB_mysql_driver extends CI_DB {
 	 * Set client character set
 	 *
 	 * @param	string
-	 * @param	string
 	 * @return	bool
 	 */
-	protected function _db_set_charset($charset, $collation)
+	protected function _db_set_charset($charset)
 	{
 		return @mysql_set_charset($charset, $this->conn_id);
 	}
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index e84b8346d..f38b94c13 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -144,10 +144,9 @@ class CI_DB_mysqli_driver extends CI_DB {
 	 * Set client character set
 	 *
 	 * @param	string
-	 * @param	string
 	 * @return	bool
 	 */
-	protected function _db_set_charset($charset, $collation)
+	protected function _db_set_charset($charset)
 	{
 		return @mysqli_set_charset($this->conn_id, $charset);
 	}
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index 09764779a..658a3d5a0 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -561,6 +561,11 @@ class CI_DB_pdo_driver extends CI_DB {
 			// Analog function to show all tables in postgre
 			$sql = "SELECT * FROM information_schema.tables WHERE table_schema = 'public'";
 		}
+		elseif ($this->pdodriver == 'sqlite')
+		{
+			// Analog function to show all tables in sqlite
+			$sql = "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'";
+		}
 		else
 		{
 			$sql = "SHOW TABLES FROM `".$this->database."`";
@@ -603,6 +608,22 @@ class CI_DB_pdo_driver extends CI_DB {
 	 */
 	function _field_data($table)
 	{
+		if ($this->pdodriver == 'mysql' or $this->pdodriver == 'pgsql')
+		{
+			// Analog function for mysql and postgre
+			return 'SELECT * FROM '.$this->_from_tables($table).' LIMIT 1';
+		}
+		elseif ($this->pdodriver == 'oci')
+		{
+			// Analog function for oci
+			return 'SELECT * FROM '.$this->_from_tables($table).' WHERE ROWNUM <= 1';
+		}
+		elseif ($this->pdodriver == 'sqlite')
+		{
+			// Analog function for sqlite
+			return 'PRAGMA table_info('.$this->_from_tables($table).')';
+		}
+		
 		return 'SELECT TOP 1 FROM '.$this->_from_tables($table);
 	}
 
diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php
index 309f1947d..384b753da 100644
--- a/system/database/drivers/pdo/pdo_result.php
+++ b/system/database/drivers/pdo/pdo_result.php
@@ -160,9 +160,48 @@ class CI_DB_pdo_result extends CI_DB_result {
 	
 		try
 		{
-			for($i = 0; $i < $this->num_fields(); $i++)
+			if (strpos($this->result_id->queryString, 'PRAGMA') !== FALSE)
 			{
-				$data[] = $this->result_id->getColumnMeta($i);
+				foreach ($this->result_array() as $field)
+				{
+					preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field['type'], $matches);
+
+					$F		= new stdClass();
+					$F->name	= $field['name'];
+					$F->type	= ( ! empty($matches[1])) ? $matches[1] : NULL;
+					$F->default	= NULL;
+					$F->max_length	= ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
+					$F->primary_key = (int) $field['pk'];
+					$F->pdo_type	= NULL;
+					
+					$data[] = $F;
+				}
+			}
+			else
+			{
+				for($i = 0, $max = $this->num_fields(); $i < $max; $i++)
+				{
+					$field = $this->result_id->getColumnMeta($i);
+
+					$F		= new stdClass();
+					$F->name	= $field['name'];
+					$F->type	= $field['native_type'];
+					$F->default	= NULL;
+					$F->pdo_type	= $field['pdo_type'];
+					
+					if ($field['precision'] < 0)
+					{
+						$F->max_length	= NULL;
+						$F->primary_key = 0;
+					}
+					else
+					{
+						$F->max_length	= ($field['len'] > 255) ? 0 : $field['len'];
+						$F->primary_key = (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags']));
+					}
+
+					$data[] = $F;
+				}
 			}
 			
 			return $data;