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table_creation.sql
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CREATE DATABASE IF NOT EXISTS `OnlineAuctionSystem`;
USE `OnlineAuctionSystem`;
CREATE TABLE `userlogin` (
`name` varchar(50) NOT NULL DEFAULT '',
`email` varchar(50) NOT NULL,
`username` varchar(30) NOT NULL,
`password` varchar(50) NOT NULL,
`phone` varchar(12) DEFAULT NULL,
`addr` varchar(200) DEFAULT NULL,
`interests` varchar(5000) default NULL,
PRIMARY KEY (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `CustomerReps`;
CREATE TABLE `CustomerReps` (
`name` varchar(50) NOT NULL DEFAULT '',
`email` varchar(50) NOT NULL,
`username` varchar(30) NOT NULL,
`password` varchar(50) NOT NULL,
`phone` varchar(12) DEFAULT NULL,
`addr` varchar(200) DEFAULT NULL,
PRIMARY KEY (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `Admin`;
CREATE TABLE `Admin` (
`username` varchar(30) NOT NULL,
`name` varchar(50) NOT NULL DEFAULT 'Admin',
`email` varchar(50) NOT NULL,
`password` varchar(50) NOT NULL,
`phone` varchar(12) DEFAULT NULL,
`addr` varchar(200) DEFAULT NULL,
PRIMARY KEY (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE TABLE `Item` (
`Itemid` int NOT NULL AUTO_INCREMENT,
`Price` int NOT NULL,
`username` varchar(30) NOT NULL,
`expireTime` DATETIME NOT NULL,
`secretsellerprice` int NOT NULL,
`increment` int NOT NULL,
`currentbid` int NOT NULL,
`availability` bool NOT NULL,
PRIMARY KEY (`Itemid`),
FOREIGN KEY (`username`)
REFERENCES userlogin(`username`)
ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `ItemDetails`;
CREATE TABLE `ItemDetails` (
`Itemid` int NOT NULL,
`Itemname` varchar(30) NOT NULL,
`category` varchar(30) NOT NULL,
`color` char(10) default NULL,
`brand` varchar(10) default NULL,
`refurbished` bool NOT NULL,
`imgpath` VARCHAR(255) default NULL,
PRIMARY KEY (`category`,`Itemid`),
FOREIGN KEY (`Itemid`)
REFERENCES Item(`Itemid`)
ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `Bids`;
CREATE TABLE `Bids` (
`bidId` int NOT NULL AUTO_INCREMENT,
`username` varchar(30) NOT NULL,
`Itemid` int NOT NULL,
`pricelist` varchar(5000) NOT NULL,
`maxlimit` int default NULL,
`autobid1` bool default False,
PRIMARY KEY (`bidId`),
FOREIGN KEY (`username`)
REFERENCES userlogin(`username`) ON DELETE CASCADE,
FOREIGN KEY (`Itemid`)
REFERENCES Item(`Itemid`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `Transaction`;
CREATE TABLE `Transaction` (
`transaction_id` int NOT NULL AUTO_INCREMENT,
`seller_username` varchar(30) NOT NULL,
`buyer_username` varchar(30) NOT NULL,
`Itemid` int NOT NULL,
PRIMARY KEY (`transaction_id`),
FOREIGN KEY (`seller_username`)
REFERENCES userlogin(`username`) ON DELETE CASCADE,
FOREIGN KEY (`buyer_username`)
REFERENCES userlogin(`username`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `Q/A`;
CREATE TABLE `Q/A` (
`qaid` int NOT NULL AUTO_INCREMENT,
`username` varchar(30) default NULL,
`customer_rep` varchar(3000) default NULL,
`question` varchar(3000) default NULL,
`answer` varchar(3000) default NULL,
PRIMARY KEY (`qaid`),
FOREIGN KEY (`username`)
REFERENCES userlogin(`username`) ON DELETE CASCADE,
FOREIGN KEY (`customer_rep`)
REFERENCES CustomerReps(`username`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `Alerts`;
CREATE TABLE `Alerts` (
`alertid` int NOT NULL AUTO_INCREMENT,
`username` varchar(30) NOT NULL,
`Itemid` int NOT NULL,
`is_new_alert` bool default True,
`is_transaction` bool default False,
PRIMARY KEY (`alertid`),
FOREIGN KEY (`username`)
REFERENCES userlogin(`username`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
USE `OnlineAuctionSystem`;
INSERT INTO `Admin` VALUES ('admin','Admin1','admin@gmail.com','admin','1111','admin');
INSERT INTO `CustomerReps` VALUES ('customer','cr@gmail.com','cr','cr','1111', 'cr'), ('customer1','cr1@gmail.com','cr1','cr1','1111', 'cr1');
INSERT INTO `userlogin` VALUES ('Vennela','chava.vinni@gmail.com','vinni','candy',NULL,NULL,'Laptop'),('Gayathr1','gr485@gmail.com','gaya3','heythere',NULL,NULL,'Mobile'),('Rohit','roh123@gmail.com','roh', 'abcda','415-567-1289','1500 Market St.','Accessory'),('Laxman','sanju@gmail.com','sanju', 'hello','345-567-1289',NULL,'Mobile');
INSERT INTO `Item` VALUES (1, 1000,'vinni','2023-06-06 10:10:10',1200,50,1100, 1), (2, 1000,'vinni','2023-06-06 10:10:10',1200,100,1100, 1);
INSERT INTO `ItemDetails` VALUES (1,'Razor Laptop','Laptop','silver','Razor',0,'razerlaptop.jpg'), (2,'Microsoft Laptop','Laptop','silver','SurfaceDuo',0,'mslaptop.jpg');
INSERT INTO `Item` VALUES (3, 600,'gaya3','2023-06-06 10:10:10',850,50,700, 1), (4, 300,'gaya3','2023-06-06 10:10:10',500,50,450, 1);
INSERT INTO `ItemDetails` VALUES (3,'iphone12','Mobile','silver','apple',0,'iphone12.jpg'), (4,'Pixel','Mobile','White','Pixel',1,'pixel.jpg');
INSERT INTO `Item` VALUES (5, 300,'roh','2023-06-06 10:10:10',1200,50,1100, 1), (6, 400,'roh','2023-06-06 10:10:10',1200,100,1100, 1);
INSERT INTO `ItemDetails` VALUES (5,'SonyXM5','Accessory','White','Sony',0,'headphone.jpg'), (6,'boat','Accessory','black','Boat',0,'boatearphones.jpg');
INSERT INTO `Transaction` VALUES (1, 'roh', 'sanju', 6), (2, 'roh', 'sanju', 5), (3, 'vinni', 'sanju', 1), (4, 'roh', 'sanju', 4);
INSERT INTO `userlogin` VALUES ('Deleteme','d.m@g.com','dm','dm',NULL,NULL,'Laptop');
INSERT INTO `Item` VALUES (7, 100,'dm','2023-06-06 10:10:10',10,50,10, 1);
INSERT INTO `ItemDetails` VALUES (7,'Razor Laptop','Laptop','silver','Razor',0,'razerlaptop.jpg');
INSERT INTO `Transaction` VALUES (5, 'dm', 'sanju', 7);
INSERT INTO `Bids` VALUES(1, 'sanju', 1, 1100, 1200, 0), (2, 'gaya3', 2, 1200, 400, 0);
CREATE EVENT update_item
ON SCHEDULE EVERY 1 minute
DO
UPDATE Item SET availability= false WHERE expireTime < NOW();
CREATE EVENT `check_item_expired1`
ON SCHEDULE EVERY 1 MINUTE
DO
INSERT INTO Transaction (seller_username, buyer_username, Itemid)
SELECT Item.username, Bids.username, Item.Itemid
FROM Item INNER JOIN Bids ON Item.Itemid = Bids.Itemid
WHERE Item.expireTime < NOW() AND Item.secretsellerprice <= Bids.pricelist
AND Bids.bidId = (SELECT bidId FROM Bids WHERE pricelist = (
SELECT MAX(pricelist) FROM Bids WHERE Itemid = Item.Itemid) AND Itemid = Item.Itemid)
AND NOT EXISTS (
SELECT * FROM Transaction WHERE seller_username = Item.username AND buyer_username = Bids.username AND Itemid = Item.Itemid
);
SET GLOBAL event_scheduler = ON;