CREATE TABLE IF NOT EXISTS `logs` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `level` varchar(20) NOT NULL DEFAULT 'info',
  `source` varchar(120) NOT NULL DEFAULT '',
  `client_id` int(11) DEFAULT NULL,
  `message` text NOT NULL,
  `context_json` longtext DEFAULT NULL,
  `date_add` datetime NOT NULL DEFAULT current_timestamp(),
  PRIMARY KEY (`id`),
  KEY `idx_logs_level` (`level`),
  KEY `idx_logs_source` (`source`),
  KEY `idx_logs_client` (`client_id`),
  KEY `idx_logs_date` (`date_add`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;