internal…

heartbeat_create_schema.sql
View Options

			create table NODE (
			ID integer not null auto_increment primary key,
			NAME varchar(20),
			FAILURE_COUNT integer default 0,
			constraint NODE_NAME_IX unique (NAME)
			);

			create table HEARTBEAT_FAILURE (
			ID integer not null auto_increment primary key,
			FAILURE_TIME timestamp default CURRENT_TIMESTAMP,
			MESSAGE varchar(512)
			);

			create table NODE_FAILURE (
			ID integer not null auto_increment primary key,
			FAILURE_ID integer,
			NODE_ID integer,
			constraint FK_NODE_FAILURE_HEARTBEAT_FAILURE_FAILURE_ID foreign key (FAILURE_ID) references HEARTBEAT_FAILURE (ID),
			constraint FK_NODE_FAILURE_NODE_NODE_ID foreign key (NODE_ID) references NODE (ID)
			);

			create table EMAIL_NOTIFICATION (
			LAST_NOTIFICATION timestamp default CURRENT_TIMESTAMP
			);

			insert into EMAIL_NOTIFICATION values (DATE_SUB( CURRENT_DATE, INTERVAL 1 DAY ));