Merge https://github.com/friendica/red into pending_merge

include/dba/dba_driver.php

@@ -104,6 +104,12 @@ abstract class dba_driver {
 	 */
 	abstract function close();
 
+	/**
+	 * @brief Return text name for db driver
+	 *
+	 * This abstract function needs to be implemented in the real driver.
+	 */
+	abstract function getdriver();
 
 	function __construct($server, $port, $user,$pass,$db,$install = false) {
 		if(($install) && (! $this->install($server, $port, $user, $pass, $db))) {

include/dba/dba_mysql.php

@@ -59,5 +59,9 @@ class dba_mysql extends dba_driver {
 			mysql_close($this->db);
 		$this->connected = false;
 	}
+	
+	function getdriver() {
+		return 'mysql';
+	}
 
 }	

include/dba/dba_mysqli.php

@@ -72,5 +72,9 @@ class dba_mysqli extends dba_driver {
 			$this->db->close();
 		$this->connected = false;
 	}
+	
+	function getdriver() {
+		return 'mysqli';
+	}
 
 }

include/dba/dba_postgres.php

@@ -109,4 +109,8 @@ class dba_postgres extends dba_driver {
 	function concat($fld, $sep) {
 		return 'string_agg(' . $fld . ',\'' . $sep . '\')';
 	}
+	
+	function getdriver() {
+		return 'pgsql';
+	}
 }