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schema extended

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This commit is contained in:
Wolfgang Hottgenroth
2019-06-20 22:01:28 +02:00
parent 186b1c5adb
commit 146f8df8e8
1 changed files with 105 additions and 8 deletions
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113
schema/conf-prov.sql
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@ -1,19 +1,116 @@
-- Configuration and Provisioning Schema -- Configuration and Provisioning Schema
DROP TABLE tDatapoint; DROP TABLE tDatapoint;
CREATE TABLE tDatapoint ( CREATE TABLE tDatapoint (
id INTEGER PRIMARY KEY AUTOINCREMENT, id INTEGER PRIMARY KEY AUTO_INCREMENT,
unit INTEGER NOT NULL, unit INTEGER NOT NULL,
address INTEGER NOT NULL, address INTEGER NOT NULL,
count INTEGER NOT NULL, count INTEGER NOT NULL,
converter TEXT NOT NULL, converter VARCHAR(10) NOT NULL,
label TEXT NOT NULL, label VARCHAR(128) NOT NULL,
scanRate INTEGER NOT NULL DEFAULT 1000, -- in milliseconds scanRate TIME(3) DEFAULT '00:00:01.000',
lastContact TEXT, topic VARCHAR(256) NOT NULL,
lastError TEXT, lastContact TIMESTAMP(3) NOT NULL DEFAULT '2000-01-01 00:00:01.000',
lastValue TEXT, lastError VARCHAR(512),
backoff INTEGER NOT NULL DEFAULT 0, -- in seconds lastValue VARCHAR(512),
backoff TIME(3) DEFAULT '00:00:00.000',
available BOOLEAN DEFAULT TRUE,
retries INTEGER NOT NULL DEFAULT 0,
giveUpCount INTEGER NOT NULL DEFAULT 0,
CONSTRAINT uniqueDatapoint UNIQUE (unit, address, count, label) CONSTRAINT uniqueDatapoint UNIQUE (unit, address, count, label)
); );
-- ALTER TABLE tDatapoint MODIFY available BOOLEAN DEFAULT TRUE;
-- ALTER TABLE tDatapoint MODIFY lastContact TIMESTAMP(3);
-- ALTER TABLE tDatapoint MODIFY scanRate TIME(3) DEFAULT '00:00:01.000';
-- ALTER TABLE tDatapoint ADD giveUpCount INTEGER NOT NULL DEFAULT 0;
-- ALTER TABLE tDatapoint MODIFY lastContact TIMESTAMP(3) NOT NULL DEFAULT '1970-01-01 00:00:01.000';
-- ModbusRequestDefinition(4, 0x2000, 2, 'F', '(ERR) Unavailable device'),
-- ModbusRequestDefinition(1, 0x2000, 4, 'F', '(ERR) Wrong register size'),
-- ModbusRequestDefinition(1, 0x2000, 2, 'F', 'Voltage'),
-- ModbusRequestDefinition(1, 0x2020, 2, 'F', 'Frequency'),
-- ModbusRequestDefinition(1, 0x2060, 2, 'F', 'Current'),
-- ModbusRequestDefinition(3, 0x0004, 2, 'RF', 'Resistance Channel 1'),
-- ModbusRequestDefinition(3, 0x000C, 2, 'RF', 'Temperature Channel 1'),
-- ModbusRequestDefinition(3, 0x0014, 2, 'RF', 'Resistance Channel 2'),
-- ModbusRequestDefinition(3, 0x001C, 2, 'RF', 'Temperature Channel 2'),
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(4, 0x2000, 2, 'F', '(ERR) Unavailable device', 'IoT/ModbusMaster1/UnavailableDevice', '00:00:01.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(1, 0x2000, 4, 'F', '(ERR) Wrong register size', 'IoT/ModbusMaster1/WrongRegisterSize', '00:05:00.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(1, 0x2000, 2, 'F', 'Voltage', 'IoT/ModbusMaster1/Voltage', '00:05:00.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(1, 0x2020, 2, 'F', 'Frequency', 'IoT/ModbusMaster1/Frequency', '00:05:00.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(1, 0x2060, 2, 'F', 'Current', 'IoT/ModbusMaster1/Current', '00:05:00.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(3, 0x0004, 2, 'RF', 'Resistance Channel 1', 'IoT/ModbusMaster1/Channel1/Resistance', '00:00:01.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(3, 0x000C, 2, 'RF', 'Temperature Channel 1', 'IoT/ModbusMaster1/Channel1/Temperature', '00:00:01.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(3, 0x0014, 2, 'RF', 'Resistance Channel 2', 'IoT/ModbusMaster1/Channel2/Resistance', '00:00:01.000');
INSERT INTO tDatapoint (unit, address, count, converter, label, topic, scanRate)
VALUES(3, 0x001C, 2, 'RF', 'Temperature Channel 2', 'IoT/ModbusMaster1/Channel2/Temperature', '00:00:01.000');
CREATE OR REPLACE VIEW vDatapointsToBeQueried AS
SELECT id, unit, address, count, converter
FROM tDatapoint
WHERE ADDTIME(lastContact, ADDTIME(scanRate, backoff)) < NOW(3) AND
available;
DROP TABLE tNotification;
CREATE TABLE tNotification (
id INTEGER PRIMARY KEY AUTO_INCREMENT,
datapointId INTEGER NOT NULL REFERENCES tDatapoint(id),
notificationType VARCHAR(1),
CONSTRAINT checkNotificationType CHECK (notificationtype IN ('V', 'F', 'R'))
);
DELIMITER $$
CREATE OR REPLACE TRIGGER trCheckAvailability
BEFORE UPDATE ON tDatapoint FOR EACH ROW
BEGIN
IF NEW.retries >= 5 THEN
IF NEW.backoff = '00:00:00.000' THEN
SET NEW.backoff = OLD.scanRate;
ELSE
SET NEW.backoff = ADDTIME(OLD.backoff, OLD.backoff);
END IF;
SET NEW.retries := 0;
SET NEW.giveUpCount := OLD.giveUpCount + 1;
END IF;
IF NEW.giveUpCount = 10 THEN
SET NEW.available := FALSE;
SET NEW.giveUpCount := 0;
SET NEW.backoff := '00:00:00.000';
END IF;
END; $$
DELIMITER ;
DELIMITER $$
CREATE OR REPLACE TRIGGER trNotification
AFTER UPDATE ON tDatapoint FOR EACH ROW
BEGIN
DECLARE v_notificationType VARCHAR(1);
IF (NEW.lastError IS NULL OR NEW.lastError = '') AND (NEW.lastValue IS NOT NULL) THEN
SET v_notificationType := 'V';
ELSEIF NEW.available AND NOT OLD.available THEN
SET v_notificationType := 'R';
ELSEIF NOT NEW.available AND OLD.available THEN
SET v_notificationType := 'F';
END IF;
IF v_notificationType IS NOT NULL THEN
INSERT INTO tNotification (datapointId, notificationType) VALUES(NEW.id, v_notificationType);
END IF;
END; $$
DELIMITER ;