35 lines
1.2 KiB
SQL
35 lines
1.2 KiB
SQL
CREATE TABLE IF NOT EXISTS `warehouses` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`name` VARCHAR(255) NOT NULL,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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CREATE TABLE IF NOT EXISTS `slots` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`name` VARCHAR(255) NOT NULL,
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`warehouse_id` INT,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (`warehouse_id`) REFERENCES `warehouses`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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CREATE TABLE IF NOT EXISTS `nodes` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`name` VARCHAR(255) NOT NULL,
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`slot_id` INT,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (`slot_id`) REFERENCES `slots`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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CREATE TABLE IF NOT EXISTS `sensor_readings` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`node_id` INT,
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`temperature` DECIMAL(5, 2),
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`humidity` DECIMAL(5, 2),
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`co2` INT,
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`gas_level` INT,
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`pressure` DECIMAL(6, 2),
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`light_level` INT,
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`timestamp` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (`node_id`) REFERENCES `nodes`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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