46 lines
3.0 KiB
Transact-SQL
46 lines
3.0 KiB
Transact-SQL
CREATE DATABASE sensors;
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GRANT ALL PRIVILEGES ON sensors.* TO SensorsAdmin;
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USE sensors;
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GO
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CREATE TABLE Users (`ID` INT NOT NULL PRIMARY KEY AUTO_INCREMENT, `username` TEXT, `pwd` INT);
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INSERT INTO Users (`ID`, `username`, `pwd`) VALUES (1,'nouser',NULL), (NULL,'Admin',1);
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CREATE TABLE Permissions (`userID` INT, `roomID` INT, `view` BOOLEAN DEFAULT 0, `purge_data` BOOLEAN DEFAULT 0, `administer` BOOLEAN DEFAULT 0);
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CREATE TABLE Rooms (`ID` INT NOT NULL PRIMARY KEY AUTO_INCREMENT, `name` TEXT, `shortname` TEXT UNIQUE);
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CREATE TABLE Sensors(`ID` INT NOT NULL PRIMARY KEY AUTO_INCREMENT, `type` INT, `roomID` INT, `mqttTopic` TEXT);
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CREATE TABLE Types(`ID` INT NOT NULL PRIMARY KEY AUTO_INCREMENT, `type_desc` TEXT);
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CREATE TABLE Devices(`ID` INT NOT NULL PRIMARY KEY AUTO_INCREMENT, `roomID` INT, `name` TEXT, `description` TEXT);
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CREATE TABLE Readings(`sensorID` INT, `Timestamp` DATETIME, `reading` DOUBLE);
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CREATE INDEX `sensor_index` ON Readings (`sensorID`);
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CREATE TABLE Log( `timestamp` TIMESTAMP, `type` INT, `message` TEXT);
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INSERT INTO Rooms (`name`,`shortname`) VALUES ('101','101'),('102','102'),('210','210'),('211','211'),('215 - Studovna','215');
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INSERT INTO Sensors (`type`, `roomID`,`mqttTopic`) VALUES (0,1,"101/floortemp"),(0,1,"101/ceiltemp"),(1,1,"101/humidity"),(0,3,"210/temp"),(0,5,"215/temp"),(1,5,"215/humidity");
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INSERT INTO Types (type_desc) VALUES ("Temperature"), ('Humidity');
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INSERT INTO `readings`(`Timestamp`,`reading`,`sensorID`) VALUES
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('2025-11-12 00:00:00',25.7,1),('2025-11-12 01:00:00',26.7,1),('2025-11-12 02:00:00',27.4,1),('2025-11-12 02:04:00',28.0,1),('2025-11-12 03:22:00',28.2,1),
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('2025-11-12 00:00:00',22.7,2),('2025-11-12 01:00:00',23.4,2),('2025-11-12 02:00:00',23.9,2),('2025-11-12 02:05:00',25.5,2),('2025-11-12 03:20:00',27.7,2),
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('2025-11-12 00:00:00',88.2,3),('2025-11-12 00:30:00',77.2,3),('2025-11-12 01:02:00',69.8,3),('2025-11-12 01:25:00',65.1,3),('2025-11-12 02:02:00',58.2,3);
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INSERT INTO `permissions`(`userID`,`roomID`,`view`) VALUES (1,1,1),(1,2,1),(1,3,1);
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# other useful queries
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SELECT reading, Timestamp FROM Readings WHERE `sensorID` = 1 ORDER BY `Timestamp` DESC LIMIT 10000;
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# SELECT roomID FROM permissions WHERE `userID` = 1 AND `view` = 1 INNER JOIN Rooms ON `permissions`.`roomID` = `Rooms`.`ID`;
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SELECT rooms.name, rooms.shortname from permissions INNER JOIN rooms ON permissions.`roomID` = rooms.`ID` WHERE permissions.`userID` = 1 AND permissions.`view` = 1;
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SELECT rooms.`ID` from rooms WHERE rooms.shortname = '101';
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SELECT Sensors.`ID` from Sensors LEFT JOIN rooms ON Sensors.`roomID` = rooms.ID WHERE rooms.shortname = '101';
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SELECT types.`type_desc` from types LEFT JOIN Sensors ON types.`ID` = Sensors.`type` WHERE Sensors.`ID` = 1;
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SELECT permissions.`view` FROM permissions LEFT JOIN rooms ON permissions.`roomID` = rooms.ID WHERE rooms.shortname = '101' AND `userID` = 1;
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# get latest reading from a sensor
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SELECT readings.`Timestamp`, readings.`reading` FROM readings WHERE readings.`sensorID` = '1' ORDER BY readings.`Timestamp` DESC FETCH FIRST 1 ROWS ONLY;
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