static int	get_history_log_value(const char *m, const DB_TRIGGER *trigger, char **replace_to, int N_functionid,
		int clock, int ns, const char *tz)
{
	zbx_uint64_t	itemid;
	int		ret, request;
	if (0 == strcmp(m, MVAR_ITEM_LOG_AGE))
	{
		request = ZBX_REQUEST_ITEM_LOG_AGE;
	}
	else if (0 == strcmp(m, MVAR_ITEM_LOG_DATE))
	{
		request = ZBX_REQUEST_ITEM_LOG_DATE;
	}
	else if (0 == strcmp(m, MVAR_ITEM_LOG_EVENTID))
	{
		request = ZBX_REQUEST_ITEM_LOG_EVENTID;
	}
	else if (0 == strcmp(m, MVAR_ITEM_LOG_NSEVERITY))
	{
		request = ZBX_REQUEST_ITEM_LOG_NSEVERITY;
	}
	else if (0 == strcmp(m, MVAR_ITEM_LOG_SEVERITY))
	{
		request = ZBX_REQUEST_ITEM_LOG_SEVERITY;
	}
	else if (0 == strcmp(m, MVAR_ITEM_LOG_SOURCE))
	{
		request = ZBX_REQUEST_ITEM_LOG_SOURCE;
	}
	else	/* MVAR_ITEM_LOG_TIME */
		request = ZBX_REQUEST_ITEM_LOG_TIME;
	zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);



	if (SUCCEED == (ret = zbx_db_trigger_get_itemid(trigger, N_functionid, &itemid)))
		ret = DBget_history_log_value(itemid, replace_to, request, clock, ns, tz);

	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));

	return ret;
}