#5 - added hasError() method

Author: technicalguru

src/TgDatabase/Database.php

@@ -174,6 +174,14 @@ public function error() {
 		return $this->con->error;
 	}
 
+	/**
+	 * Return TRUE when the database had a problem with the last task.
+	 * @return boolean - TRUE when connection failed or last SQL command failed.
+	 */
+	public function hasError() {
+	    return $this->con->connect_errno || $this->con->errno;
+	}
+	
 	/**
 	 * Inserts a new row into a table.
 	 * <p>All fields (for objects) or keys (for arrays) are used as column names.</p>