147 lines
4.7 KiB
SQL
147 lines
4.7 KiB
SQL
DROP TABLE
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IF
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EXISTS Sold;
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DROP TABLE
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IF
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EXISTS Transactions;
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DROP TABLE
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IF
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EXISTS Passbys;
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DROP TABLE
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IF
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EXISTS Tickets;
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DROP TABLE
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IF
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EXISTS Seats;
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DROP TABLE
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IF
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EXISTS Users;
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DROP TABLE
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IF
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EXISTS Passengers;
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DROP TABLE
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IF
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EXISTS Rides;
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DROP TABLE
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IF
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EXISTS Trains;
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DROP TABLE
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IF
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EXISTS Stations;
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CREATE TABLE Passengers (
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ID BIGINT PRIMARY KEY,
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`Name` VARCHAR ( 255 ) NOT NULL,
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Phone_number BIGINT UNIQUE NOT NULL,
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CHECK ( REGEXP_LIKE ( ID, '^\\d{18}$' ) ),
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CHECK ( REGEXP_LIKE ( Phone_number, '^\\d{11}$' ) )
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);
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CREATE TABLE Users (
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ID INT AUTO_INCREMENT PRIMARY KEY,
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`Password` VARCHAR ( 255 ) NOT NULL,
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Phone_number BIGINT UNIQUE NOT NULL,
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CitizenID BIGINT UNIQUE NOT NULL,
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FOREIGN KEY ( Phone_number ) REFERENCES Passengers ( Phone_number ) ON DELETE CASCADE,
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FOREIGN KEY ( CitizenID ) REFERENCES Passengers ( ID ) ON DELETE CASCADE
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);
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CREATE TABLE Stations (
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ID INT AUTO_INCREMENT PRIMARY KEY,
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`Name` VARCHAR ( 255 ) UNIQUE NOT NULL,
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Province VARCHAR ( 255 ) NOT NULL,
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City VARCHAR ( 255 ) NOT NULL
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);
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CREATE TABLE Trains (
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ID VARCHAR ( 255 ) PRIMARY KEY,
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Property SMALLINT NOT NULL,
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StationID_start INT NOT NULL,
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StationID_arrive INT NOT NULL,
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FOREIGN KEY ( StationID_start ) REFERENCES Stations ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( StationID_arrive ) REFERENCES Stations ( ID ) ON DELETE CASCADE
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);
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CREATE TABLE Seats (
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ID VARCHAR ( 255 ) PRIMARY KEY,
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Type VARCHAR ( 255 ) NOT NULL,
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TrainID VARCHAR ( 255 ) NOT NULL,
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FOREIGN KEY ( TrainID ) REFERENCES Trains ( ID ) ON DELETE CASCADE
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);
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CREATE TABLE Tickets (
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ID INT AUTO_INCREMENT PRIMARY KEY,
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Price DECIMAL ( 7, 2 ) NOT NULL,
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Time_start DATETIME NOT NULL,
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Time_arrive DATETIME NOT NULL,
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StationID_start INT NOT NULL,
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StationID_arrive INT NOT NULL,
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SeatID VARCHAR ( 255 ) NOT NULL,
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FOREIGN KEY ( StationID_start ) REFERENCES Stations ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( StationID_arrive ) REFERENCES Stations ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( SeatID ) REFERENCES Seats ( ID ) ON DELETE CASCADE,
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CHECK ( Time_start <= Time_arrive )
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);
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CREATE TABLE Transactions (
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ID BIGINT AUTO_INCREMENT PRIMARY KEY,
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`Time` DATETIME NOT NULL,
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Paid TINYINT NOT NULL,
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`User` INT NOT NULL,
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PassengerID BIGINT NOT NULL,
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TrainID VARCHAR ( 255 ) NOT NULL,
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StationID_start INT NOT NULL,
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StationID_arrive INT NOT NULL,
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Time_start DATETIME NOT NULL,
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Time_arrive DATETIME NOT NULL,
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SeatID VARCHAR ( 255 ) NOT NULL,
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FOREIGN KEY ( `User` ) REFERENCES Users ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( PassengerID ) REFERENCES Passengers ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( TrainID ) REFERENCES Trains ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( StationID_start ) REFERENCES Stations ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( StationID_arrive ) REFERENCES Stations ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( SeatID ) REFERENCES Seats ( ID ) ON DELETE CASCADE,
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CHECK ( Time_start < Time_arrive )
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);
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CREATE TABLE Sold (
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TransactionID BIGINT NOT NULL,
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TicketID INT NOT NULL,
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FOREIGN KEY ( TransactionID ) REFERENCES Transactions ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( TicketID ) REFERENCES Tickets ( ID ) ON DELETE CASCADE
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);
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CREATE TABLE Passbys (
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StationID INT NOT NULL,
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TrainID VARCHAR ( 255 ) NOT NULL,
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arrive_time DATETIME NOT NULL,
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leave_time DATETIME NOT NULL,
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FOREIGN KEY ( StationID ) REFERENCES Stations ( ID ) ON DELETE CASCADE,
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FOREIGN KEY ( TrainID ) REFERENCES Trains ( ID ) ON DELETE CASCADE,
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CHECK ( arrive_time <= leave_time )
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);
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INSERT INTO Stations ( `Name`, Province, City )
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VALUES
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( '北京南', '北京', '北京' ),
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( '沧州西', '河北', '沧州' ),
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( '济南西', '山东', '济南' ),
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( '徐州东', '江苏', '徐州' ),
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( '宿州东', '安徽', '宿州' ),
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( '蚌埠南', '安徽', '蚌埠' ),
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( '南京南', '江苏', '南京' ),
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( '无锡南', '江苏', '无锡' ),
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( '上海虹桥', '上海', '上海' );
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INSERT INTO Trains ( ID, StationID_start, StationID_arrive, Property )
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VALUES
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( 'G103', 1, 9, 1 );
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INSERT INTO Passbys ( StationID, TrainID, arrive_time, leave_time )
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VALUES
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( 1, 'G103', '2024-03-28 06:20:00', '2024-03-28 06:20:00' ),
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( 2, 'G103', '2024-03-28 07:13:00', '2024-03-28 07:15:00' ),
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( 3, 'G103', '2024-03-28 08:01:00', '2024-03-28 08:04:00' ),
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( 4, 'G103', '2024-03-28 09:07:00', '2024-03-28 09:09:00' ),
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( 5, 'G103', '2024-03-28 09:28:00', '2024-03-28 09:33:00' ),
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( 6, 'G103', '2024-03-28 09:56:00', '2024-03-28 09:58:00' ),
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( 7, 'G103', '2024-03-28 10:40:00', '2024-03-28 10:43:00' ),
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( 8, 'G103', '2024-03-28 11:27:00', '2024-03-28 11:29:00' ),
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( 9, 'G103', '2024-03-28 11:58:00', '2024-03-28 11:58:00' );
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SELECT
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Passbys.TrainID,
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Stations.`Name`,
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Passbys.arrive_time,
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Passbys.leave_time,
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( Passbys.leave_time - Passbys.arrive_time ) / 100 AS Stay_time
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FROM
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Passbys
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JOIN Stations ON Passbys.StationID = Stations.ID; |