commit a50372041caf31a54da2f50688d7cc2e158a710f
parent 47eaf4854922da7d2d5f1d5bd122e95547a554ff
Author: William Lindholm <85635561+LindholmLabs@users.noreply.github.com>
Date: Tue, 31 Oct 2023 11:54:44 +0100
Uplodaded dbschema.sql
Diffstat:
| A | dbschema.sql | | | 386 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 386 insertions(+), 0 deletions(-)
diff --git a/dbschema.sql b/dbschema.sql
@@ -0,0 +1,385 @@
+DROP DATABASE IF EXISTS a22willi;
+CREATE DATABASE a22willi;
+USE a22willi;
+
+/* --- TABLE DEFINITIONS --- */
+
+CREATE TABLE Agent (
+ CodeName CHAR(3) UNIQUE NOT NULL,
+ FirstName VARCHAR(32) NOT NULL,
+ LastName VARCHAR(32) NOT NULL,
+ Salary DECIMAL,
+ IsGroupLeader BOOL DEFAULT 0,
+ IsManager BOOL DEFAULT 0,
+ IsFieldAgent BOOL DEFAULT 1,
+ CHECK (CodeName RLIKE '^[a-zA-Z][0-9]{1,2}$'), -- Only accept ex: 'B23' or 'x5'.
+ CHECK (LENGTH(FirstName) > 0 AND LENGTH(LastName) > 0),
+ CHECK (Salary >= 0),
+ PRIMARY KEY (CodeName)
+) ENGINE = INNODB;
+
+CREATE INDEX Name ON Agent(FirstName, LastName) USING BTREE;
+
+-- Denormalization (Horizontal split)
+CREATE TABLE FieldAgentAttributes (
+ AgentCodeName CHAR(3) UNIQUE NOT NULL, -- Prevent multiple FieldAgentAttributes per Agent using unique.
+ Specialty VARCHAR(256),
+ Competence VARCHAR(256),
+ CHECK (Specialty IS NULL OR LENGTH(Specialty) > 0),
+ CHECK (Competence IS NULL OR LENGTH(Competence) > 0),
+ PRIMARY KEY (AgentCodeName),
+ FOREIGN KEY (AgentCodeName) REFERENCES Agent(CodeName)
+) ENGINE = INNODB;
+
+-- Denormalization (Codes)
+CREATE TABLE Terrain (
+ TerrainCode TINYINT UNSIGNED UNIQUE NOT NULL,
+ TerrainName VARCHAR(64),
+ PRIMARY KEY (TerrainCode)
+) ENGINE = INNODB;
+
+CREATE INDEX TerrainTypes ON Terrain(TerrainName);
+
+-- Denormalization (Merge)
+CREATE TABLE Incident (
+ RegionName VARCHAR(32) NOT NULL,
+ Terrain TINYINT UNSIGNED NOT NULL,
+ IncidentName VARCHAR(64) NOT NULL,
+ IncidentNumber INT UNIQUE NOT NULL,
+ Location VARCHAR(128),
+ PRIMARY KEY (IncidentName, IncidentNumber),
+ FOREIGN KEY (Terrain) REFERENCES Terrain(TerrainCode)
+) ENGINE = INNODB;
+
+-- Denormalization (Vertical split)
+CREATE TABLE Report (
+ DateCreated DATETIME NOT NULL,
+ Author CHAR(3) NOT NULL,
+ Title VARCHAR(64) NOT NULL,
+ Content VARCHAR(1024),
+ IncidentName VARCHAR(64),
+ IncidentNumber INT,
+ PRIMARY KEY (DateCreated, Title),
+ FOREIGN KEY (Author) REFERENCES Agent(CodeName),
+ FOREIGN KEY (IncidentName, IncidentNumber) REFERENCES Incident(IncidentName, IncidentNumber)
+) ENGINE = INNODB;
+
+-- Denormalization (Vertical split)
+CREATE TABLE ArchivedReport (
+ DateCreated DATETIME NOT NULL,
+ Author CHAR(3) NOT NULL,
+ Title VARCHAR(64) NOT NULL DEFAULT 'nameless_report',
+ Content VARCHAR(1024),
+ IncidentName VARCHAR(64),
+ IncidentNumber INT,
+ PRIMARY KEY (DateCreated, Title),
+ FOREIGN KEY (Author) REFERENCES Agent(CodeName),
+ FOREIGN KEY (IncidentName, IncidentNumber) REFERENCES Incident(IncidentName, IncidentNumber)
+) ENGINE = INNODB;
+
+CREATE TABLE Operation (
+ OperationName VARCHAR(128) NOT NULL,
+ StartDate DATE NOT NULL,
+ EndDate DATE,
+ SuccessRate BIT,
+ GroupLeader CHAR(3),
+ IncidentName VARCHAR(64) NOT NULL,
+ IncidentNumber INT NOT NULL,
+ CHECK (EndDate IS NULL OR EndDate >= StartDate),
+ PRIMARY KEY (OperationName, StartDate, IncidentName, IncidentNumber),
+ FOREIGN KEY (IncidentName, IncidentNumber) REFERENCES Incident(IncidentName, IncidentNumber),
+ FOREIGN KEY (GroupLeader) REFERENCES Agent(CodeName)
+) ENGINE = INNODB;
+
+-- N - M relation (Agent, Operation)
+CREATE TABLE OperatesIn (
+ IncidentName VARCHAR(64) NOT NULL,
+ IncidentNumber INT NOT NULL,
+ OperationName VARCHAR(128) NOT NULL,
+ StartDate DATE NOT NULL,
+ CodeName CHAR(3) NOT NULL,
+ PRIMARY KEY (IncidentName, IncidentNumber, OperationName, StartDate, CodeName),
+ FOREIGN KEY (IncidentName, IncidentNumber) REFERENCES Incident(IncidentName, IncidentNumber),
+ FOREIGN KEY (OperationName, StartDate) REFERENCES Operation(OperationName, StartDate),
+ FOREIGN KEY (CodeName) REFERENCES Agent(CodeName)
+) ENGINE = INNODB;
+
+/* --- LOG TABLES --- */
+
+CREATE TABLE AgentLog (
+ Id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+ Operation VARCHAR(10),
+ UserName VARCHAR(32),
+ CodeName CHAR(3),
+ OperationTime DATETIME,
+ PRIMARY KEY (Id)
+) ENGINE = INNODB;
+
+/* --- STORED PROCEDURES --- */
+
+DELIMITER //
+
+-- Get the number of active operations an agent has.
+-- Conditional procedure with error handling
+CREATE PROCEDURE GetNumberOfActiveOperations(IN _Agent CHAR(3), OUT _NumOfActiveOperations SMALLINT UNSIGNED)
+BEGIN
+ IF (SELECT COUNT(*) FROM Agent WHERE CodeName = _Agent) = 0
+ THEN SET @message = CONCAT('Agent: ', _Agent, ' does not exist.');
+ SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = @message;
+ END IF;
+
+ SELECT COUNT(OpIn.OperationName) AS SumOfOperations INTO _NumOfActiveOperations
+ FROM OperatesIn OpIn
+ JOIN Operation Op ON OpIn.OperationName = Op.OperationName AND OpIn.StartDate = Op.StartDate
+ WHERE OpIn.CodeName = _Agent AND (Op.EndDate IS NULL OR Op.EndDate > CURDATE());
+END//
+
+-- Simple procedure
+CREATE PROCEDURE GetAgentNamesAlphabetically()
+BEGIN
+ SELECT FirstName, LastName, CodeName
+ FROM Agent
+ ORDER BY LastName, FirstName;
+END//
+
+CREATE PROCEDURE GetOperationRegion(IN _OpName VARCHAR(128), OUT _Region VARCHAR(32))
+BEGIN
+ SELECT Inc.RegionName INTO _Region
+ FROM Incident Inc
+ JOIN Operation Op ON Op.IncidentName = Inc.IncidentName AND Op.IncidentNumber = Inc.IncidentNumber
+ WHERE Op.OperationName = _OpName;
+END//
+
+-- Move report from Report to ArchivedReport
+-- Procedure that moves tuple in vertical split
+CREATE PROCEDURE ArchiveReport(IN _DateCreated DATETIME, IN _Title VARCHAR(64))
+BEGIN
+ INSERT INTO ArchivedReport (DateCreated, Author, Title, Content, IncidentName, IncidentNumber)
+ SELECT R.DateCreated, R.Author, R.Title, R.Content, R.IncidentName, R.IncidentNumber
+ FROM Report R
+ WHERE R.DateCreated = _DateCreated AND R.Title = _Title;
+
+ DELETE FROM Report
+ WHERE Report.DateCreated = _DateCreated AND Report.Title = _Title;
+END //
+
+-- get Operations between two dates
+-- procedure that selects data
+CREATE PROCEDURE GetOperationsInRange(IN _StartDate DATE, IN _EndDate DATE)
+BEGIN
+ SELECT *
+ FROM Operation Op
+ WHERE Op.StartDate > _StartDate
+ AND Op.EndDate IS NOT NULL AND Op.EndDate < _EndDate;
+END//
+
+/* --- TRIGGERS --- */
+
+-- Log Agent operations
+CREATE TRIGGER AgentLogInsert AFTER INSERT ON Agent
+FOR EACH ROW BEGIN
+ INSERT INTO AgentLog (Operation, UserName, CodeName, OperationTime) VALUES
+ ('INSERT', USER(), NEW.CodeName, NOW());
+END//
+
+CREATE TRIGGER AgentLogUpdate AFTER UPDATE ON Agent
+FOR EACH ROW BEGIN
+ INSERT INTO AgentLog (Operation, UserName, CodeName, OperationTime) VALUES
+ ('UPDATE', USER(), NEW.CodeName, NOW());
+END//
+
+CREATE TRIGGER AgentLogDelete AFTER DELETE ON Agent
+FOR EACH ROW BEGIN
+ INSERT INTO AgentLog (Operation, UserName, CodeName, OperationTime) VALUES
+ ('DELETE', USER(), OLD.CodeName, NOW());
+END//
+
+-- Validate that an agent is part of at least one group, fieldagents, managers or groupleaders.
+CREATE TRIGGER ValidateAgent BEFORE INSERT ON Agent
+FOR EACH ROW BEGIN
+ IF NEW.IsGroupLeader = 0 AND NEW.IsManager = 0 AND NEW.IsFieldAgent = 0
+ THEN
+ SIGNAL SQLSTATE '45000'
+ SET MESSAGE_TEXT = 'Agent missing type (eg: FieldAgent).';
+ END IF;
+END//
+
+-- Before deleting an incident, also remove all related operations and reports.
+CREATE TRIGGER IncidentCleanup BEFORE DELETE ON Incident
+FOR EACH ROW BEGIN
+ DELETE FROM Report
+ WHERE IncidentName = OLD.IncidentName AND IncidentNumber = OLD.IncidentNumber;
+
+ DELETE FROM ArchivedReport
+ WHERE IncidentName = OLD.IncidentName AND IncidentNumber = OLD.IncidentNumber;
+
+ DELETE FROM OperatesIn
+ WHERE IncidentName = OLD.IncidentName AND IncidentNumber = OLD.IncidentNumber;
+
+ DELETE FROM Operation
+ WHERE IncidentName = OLD.IncidentName AND IncidentNumber = OLD.IncidentNumber;
+END//
+
+-- Validate that an agent can only be part of Operations in the same region,
+-- And at most 3 operations in the same region.
+CREATE TRIGGER ValidateOperatesIn BEFORE INSERT ON OperatesIn
+FOR EACH ROW BEGIN
+ DECLARE MaxAllowedOperations INT DEFAULT 3;
+ DECLARE ExistingRegion VARCHAR(32) DEFAULT NULL;
+ DECLARE NewRegion VARCHAR(32) DEFAULT NULL;
+ DECLARE NumOfOperations SMALLINT UNSIGNED DEFAULT NULL;
+
+ -- Get the region of the new operation the agent is being added to
+ CALL GetOperationRegion(NEW.OperationName, NewRegion);
+
+ -- Get the current number of active operations an agent has
+ CALL GetNumberOfActiveOperations(NEW.CodeName, NumOfOperations);
+
+ -- Get the region of an existing operation the agent is part of
+ SELECT Inc.RegionName INTO ExistingRegion
+ FROM Incident Inc, Operation Op, OperatesIn OpIn
+ WHERE Op.OperationName = OpIn.OperationName AND Op.StartDate = OpIn.StartDate AND Op.IncidentName = Inc.IncidentName AND Op.IncidentNumber = Inc.IncidentNumber
+ AND OpIn.CodeName = NEW.CodeName AND (Op.EndDate IS NULL OR Op.EndDate > CURDATE())
+ LIMIT 1;
+
+ -- If the agent is part of an operation in a different region, raise an error
+ IF ExistingRegion IS NOT NULL AND ExistingRegion != NewRegion THEN
+ SET @message = CONCAT('Agent already has ongoing operation in region:', ExistingRegion);
+ SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = @message;
+ END IF;
+
+ -- If the agent is part already part of 3 operations, raise an error
+ IF NumOfOperations >= MaxAllowedOperations THEN
+ SIGNAL SQLSTATE '45000'
+ SET MESSAGE_TEXT = 'Agent can be part of no more than 3 operations in the same region.';
+ END IF;
+END//
+
+CREATE TRIGGER ValidateOperation BEFORE INSERT ON Operation
+FOR EACH ROW
+BEGIN
+ IF NEW.EndDate > DATE_ADD(NEW.StartDate, INTERVAL 5 WEEK) THEN
+ SET NEW.EndDate = DATE_ADD(NEW.StartDate, INTERVAL 5 WEEK);
+ END IF;
+END//
+
+
+DELIMITER ;
+
+/* --- VIEWS --- */
+
+-- Specialization
+-- Get the average successrate for all agents
+CREATE VIEW AgentRates AS
+SELECT
+ OpIn.CodeName,
+ AVG(Op.SuccessRate) AS AvgSuccessRate
+FROM OperatesIn OpIn, Operation Op
+WHERE
+ OpIn.OperationName = Op.OperationName
+ AND OpIn.StartDate = Op.StartDate
+GROUP BY OpIn.CodeName;
+
+-- Simplification (and specialization)
+-- Get all field agents, including their competence, specialization and average successrate.
+CREATE VIEW FieldAgents AS
+SELECT Agent.CodeName, Firstname, LastName, Salary, Specialty, Competence, AvgSuccessRate
+FROM Agent, FieldAgentAttributes, AgentRates
+WHERE Agent.IsFieldAgent
+AND Agent.CodeName = FieldAgentAttributes.AgentCodeName
+AND Agent.CodeName = AgentRates.CodeName;
+
+-- Simplification
+-- Get all GroupLeaders
+CREATE VIEW GroupLeaders AS
+SELECT Agent.CodeName, FirstName, LastName, Salary, AvgSuccessRate
+FROM Agent, AgentRates
+WHERE IsGroupLeader
+AND Agent.CodeName = AgentRates.CodeName;
+
+-- Simplification
+-- Get all managers
+CREATE VIEW Managers AS
+SELECT Agent.CodeName, FirstName, LastName, Salary, AvgSuccessRate
+FROM Agent, AgentRates
+WHERE IsManager
+AND Agent.CodeName = AgentRates.CodeName;
+
+-- Simplification
+CREATE VIEW AllReports AS
+SELECT *
+FROM Report
+UNION ALL
+SELECT *
+FROM ArchivedReport;
+
+CREATE VIEW AgentOperations AS
+SELECT A.CodeName, OpIn.OperationName
+FROM Agent A, OperatesIn OpIn
+WHERE A.CodeName = OpIn.CodeName;
+
+/* --- GENERATE MOCK DATA --- */
+
+INSERT INTO Terrain (TerrainName, TerrainCode) VALUES
+ ('Mountainous', 1),
+ ('Plains', 2),
+ ('Hills', 3),
+ ('Desert', 4),
+ ('Forest', 5);
+
+INSERT INTO Agent (CodeName, FirstName, LastName, Salary, IsGroupLeader, IsManager, IsFieldAgent) VALUES
+ ('A1', 'John', 'Doe', 50000, TRUE, FALSE, TRUE),
+ ('B23', 'Jane', 'Smith', 52000, FALSE, TRUE, FALSE),
+ ('C45', 'Alex', 'Johnson', 51000, FALSE, FALSE, TRUE),
+ ('D56', 'Emily', 'Brown', 50500, TRUE, FALSE, FALSE),
+ ('E78', 'Michael', 'Davis', 53000, FALSE, TRUE, TRUE);
+
+INSERT INTO Incident (RegionName, Terrain, IncidentName, IncidentNumber, Location) VALUES
+ ('North', 1, 'Heist', 101, 'North Town'),
+ ('West', 2, 'Kidnapping', 102, 'South City'),
+ ('North', 3, 'Sabotage', 103, 'East Village'),
+ ('South', 4, 'Espionage', 104, 'West Point'),
+ ('NorthEast', 3, 'Breach', 105, 'Central Hub'),
+ ('SouthWest', 2, 'Ambush', 106, 'Mountain Pass'),
+ ('MidWest', 4, 'Hijacking', 107, 'River Crossing'),
+ ('Central', 1, 'Arson', 108, 'Forest Edge'),
+ ('OuterWest', 3, 'Assault', 109, 'Desert Base'),
+ ('DeepSouth', 2, 'Theft', 110, 'Island Shore');
+
+INSERT INTO Operation (OperationName, StartDate, EndDate, SuccessRate, GroupLeader, IncidentName, IncidentNumber) VALUES
+ ('Operation Thunder', '2023-01-01', '2023-10-18', 1, 'A1', 'Sabotage', 103),
+ ('Operation QuickSilver1', '2023-02-05', '2023-02-18', 0, 'D56', 'Heist', 101),
+ ('Operation QuickSilver2', '2023-02-05', '2025-10-18', 0, 'D56', 'Heist', 101),
+ ('Operation QuickSilver3', '2023-02-05', '2023-11-18', 0, 'D56', 'Heist', 101),
+ ('Operation NightFall', '2023-03-10', '2023-03-30', 1, 'A1', 'Sabotage', 103),
+ ('Operation DesertStorm', '2023-04-01', NULL, 1, 'E78', 'Espionage', 104),
+ ('Operation ForestGuard', '2023-05-01', '2023-05-10', NULL, 'D56', 'Breach', 105);
+
+INSERT INTO OperatesIn (IncidentName, IncidentNumber, OperationName, StartDate, CodeName) VALUES
+ ('Heist', 101, 'Operation Thunder', '2023-01-01', 'A1'),
+ ('Heist', 101, 'Operation Thunder', '2023-01-01', 'B23'),
+ ('Kidnapping', 102, 'Operation QuickSilver1', '2023-02-05', 'B23'),
+ ('Kidnapping', 102, 'Operation QuickSilver2', '2023-02-05', 'B23'),
+ ('Kidnapping', 102, 'Operation QuickSilver3', '2023-02-05', 'B23'),
+ ('Kidnapping', 102, 'Operation QuickSilver1', '2023-02-05', 'C45'),
+ ('Espionage', 104, 'Operation DesertStorm', '2023-04-01', 'D56'),
+ ('Breach', 105, 'Operation ForestGuard', '2023-05-01', 'E78');
+
+INSERT INTO FieldAgentAttributes (AgentCodeName, Specialty, Competence) VALUES
+ ('A1', 'Explosives Expert', 'Advanced explosives handling and defusal'),
+ ('C45', 'Surveillance Specialist', 'Expert in covert surveillance and intelligence gathering'),
+ ('E78', 'Combat Specialist', 'Skilled hand-to-hand combat and small arms use');
+
+INSERT INTO Report (DateCreated, Author, Title, Content, IncidentName, IncidentNumber) VALUES
+ ('2023-04-15', 'A1', 'Update on Heist', 'Latest details on the heist operation. Successful with minor hitches.', 'Heist', 101),
+ ('2023-06-10', 'B23', 'Kidnapping in West', 'The kidnapping incident at South City has been contained.', 'Kidnapping', 102),
+ ('2023-06-20', 'D56', 'Sabotage Alert', 'Sabotage in East Village has caused significant infrastructure damage.', 'Sabotage', 103),
+ ('2023-07-01', 'A1', 'Espionage in South', 'Espionage activities spotted in West Point. Suspects are being tracked.', 'Espionage', 104),
+ ('2023-08-15', 'C45','Breach in NorthEast', 'A major breach in Central Hub. Cybersecurity teams are on it.', 'Breach', 105);
+
+INSERT INTO ArchivedReport (DateCreated, Author, Title, Content, IncidentName, IncidentNumber) VALUES
+ ('2020-03-05', 'D56', 'Old Heist Report', 'Details on an old heist operation.', 'Heist', 101),
+ ('2019-12-10', 'A1', 'Old Kidnapping Details', 'Report on a kidnapping that happened two years back.', 'Kidnapping', 102),
+ ('2021-01-20', 'B23', 'Sabotage in East - Historical', 'An old sabotage report detailing the damage.', 'Sabotage', 103),
+ ('2021-02-15', 'A1', 'Espionage History', 'Previous espionage activities in West Point.', 'Espionage', 104),
+ ('2021-04-05', 'E78', 'Breach Report - Historical', 'A significant breach happened two years back in Central Hub.', 'Breach', 105);
+\ No newline at end of file
