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structural_scriptOLD.sql
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executable file
·90 lines (81 loc) · 2.46 KB
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DROP TABLE IF EXISTS transaction;
DROP TABLE IF EXISTS points;
DROP TABLE IF EXISTS tags;
DROP TABLE IF EXISTS subject;
DROP TABLE IF EXISTS tag;
DROP TABLE IF EXISTS offer;
DROP TABLE IF EXISTS token;
DROP TABLE IF EXISTS user_;
CREATE TABLE user_(
email VARCHAR(70) PRIMARY KEY,
username VARCHAR(50) NOT NULL,
hashedpwd VARCHAR(100) NOT NULL DEFAULT 'not-verified',
balance DECIMAL(8,2) NOT NULL DEFAULT 0.00,
role VARCHAR(15) NOT NULL DEFAULT 'not-verified',
CONSTRAINT CHK_USER_EMAIL
CHECK (email LIKE '%_@__%.__%'),
CONSTRAINT CHK_USER_BAL
CHECK (balance >= 0)
) DEFAULT CHARSET=utf8;
CREATE TABLE token(
token VARCHAR(32) PRIMARY KEY,
email VARCHAR(70) NOT NULL,
deadline TIMESTAMP DEFAULT (CURRENT_TIMESTAMP + INTERVAL 10 MINUTE) NOT NULL,
FOREIGN KEY (email) REFERENCES user_(email) ON DELETE CASCADE
) DEFAULT CHARSET=utf8;
CREATE TABLE offer(
ouid INT PRIMARY KEY AUTO_INCREMENT,
owner VARCHAR(70) NOT NULL,
title VARCHAR(50) NOT NULL,
description TEXT,
price DECIMAL(8,2) NOT NULL,
creation_time DATETIME NOT NULL,
deadline DATETIME NOT NULL,
FOREIGN KEY(owner) REFERENCES user_(email)
ON DELETE CASCADE,
CONSTRAINT CHK_OFFER_PRICE
CHECK (price >= 0),
CONSTRAINT CHK_OFFER_TIME
CHECK (creation_time < deadline)
) DEFAULT CHARSET=utf8;
CREATE TABLE tag(
tagname VARCHAR(50) PRIMARY KEY
) DEFAULT CHARSET=utf8;
CREATE TABLE subject(
subject_name VARCHAR(50) PRIMARY KEY
) DEFAULT CHARSET=utf8;
CREATE TABLE tags(
ouid INT,
tagname VARCHAR(50),
PRIMARY KEY(ouid, tagname),
FOREIGN KEY(ouid) REFERENCES offer(ouid)
ON DELETE CASCADE,
FOREIGN KEY(tagname) REFERENCES tag(tagname)
ON DELETE CASCADE
) DEFAULT CHARSET=utf8;
CREATE TABLE points(
email VARCHAR(70),
subject_name VARCHAR(50),
points DECIMAL(5,2),
PRIMARY KEY(email, subject_name),
FOREIGN KEY(email) REFERENCES user_(email)
ON DELETE CASCADE,
FOREIGN KEY(subject_name) REFERENCES subject(subject_name)
ON DELETE CASCADE,
CONSTRAINT CHK_POINTS_PTS
CHECK (points >= 0)
) DEFAULT CHARSET=utf8;
CREATE TABLE transaction(
email VARCHAR(70),
ouid INT,
amount DECIMAL(8,2) NOT NULL,
transaction_time DATETIME NOT NULL,
PRIMARY KEY(email, ouid),
FOREIGN KEY(email) REFERENCES user_(email)
ON DELETE CASCADE,
FOREIGN KEY(ouid) REFERENCES offer(ouid)
ON DELETE CASCADE,
CONSTRAINT CHK_TRANSACTION_AMOUNT
CHECK (amount >= 0)
) DEFAULT CHARSET=utf8;
SET NAMES utf8;