Fix abstract method again, add get_dbs to pgsql driver

.gitignore

@@ -2,4 +2,5 @@
 *.DS_Store
 settings.json
 errors.txt
+*/simpletest/*
 

src/databases/db_pdo.php

@@ -111,7 +111,7 @@ abstract class DB_PDO extends PDO {
 	/**
 	 * Abstract functions to override in child classes
 	 */
-	abstract function get_dbs();
+	abstract function get_tables();
 
 }
 // End of db_pdo.php

src/databases/pgsql.php

@@ -43,6 +43,21 @@ class pgSQL extends DB_PDO {
 		$this->query($sql); 
 	}
 
+	/**
+	 * Get list of databases for the current connection
+	 * 
+	 * @return array
+	 */
+	function get_dbs()
+	{
+		$sql = "SELECT datname FROM pg_database WHERE datname NOT IN ('template0','template1') ORDER BY 1";
+		$res = $this->query($sql);
+
+		$dbs = $res->fetchAll(PDO::FETCH_ASSOC);
+
+		return $dbs;
+	}
+
 	/**
 	 * Get the list of tables for the current db
 	 *