Can this trigger be changed so that the sortorder
table gets 2 column values (sortOrderId
, sortOrder
) inserted?
How is the value of sortOrder
found?
If it is known and can be inserted into image
table then can it also be inserted into the sortorder
table?
-- Trigger DDL Statements
DELIMITER $$
USE `nextcart`$$
CREATE
DEFINER=`root`@`localhost`
TRIGGER `nextcart`.`insert_sortorderid`
BEFORE INSERT ON `nextcart`.`image`
FOR EACH ROW
BEGIN
INSERT INTO sortorder SET sortOrderId = NULL, sortOrder = NEW.sortOrder;
SET NEW.sortOrderId = (SELECT LAST_INSERT_ID());
END;
$$
CREATE TABLE sortorder:
delimiter $$
CREATE TABLE `sortorder` (
`sortOrderId` int(11) NOT NULL AUTO_INCREMENT,
`sortOrder` tinyint(4) NOT NULL,
PRIMARY KEY (`sortOrderId`),
KEY `sort_order` (`sortOrderId`,`sortOrder`),
CONSTRAINT `fk_sortOrderId` FOREIGN KEY (`sortOrderId`) REFERENCES `image` (`imageId`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8$$
CREATE TABLE image:
delimiter $$
CREATE TABLE `image` (
`imageId` int(11) NOT NULL AUTO_INCREMENT,
`imageFileName` varchar(45) DEFAULT NULL,
`imagePath` varchar(255) DEFAULT NULL,
`imageTitle` varchar(100) DEFAULT NULL,
`imageAlt` varchar(100) DEFAULT NULL,
`imageWidth` int(11) DEFAULT NULL,
`imageHeight` int(11) DEFAULT NULL,
`classId` int(11) DEFAULT NULL,
`imageSizeId` tinyint(4) NOT NULL,
`isImageEnabled` bit(1) DEFAULT b'0',
`sortOrderId` int(11) DEFAULT NULL,
PRIMARY KEY (`imageId`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8$$
ERROR MESSAGE:
Error 1054: Unknown column 'sortOrder' in 'NEW' SQL Statement:
CREATE TRIGGER insert_sortorderid BEFORE INSERT ON image FOR EACH
ROW BEGIN INSERT INTO nextcart.sortorder SET sortOrderId = NULL,
sortOrder = NEW.sortOrder; SET NEW.sortOrderId = ( SELECT
LAST_INSERT_ID()); END; Error when running failback script. Details
follow. Error 1050: Table 'image' already exists SQL Statement: CREATE
TABLE image
( imageId
int(11) NOT NULL AUTO_INCREMENT,
imageFileName
varchar(45) DEFAULT NULL, imagePath
varchar(255)
DEFAULT NULL, imageTitle
varchar(100) DEFAULT NULL, imageAlt
varchar(100) DEFAULT NULL, imageWidth
int(11) DEFAULT NULL,
imageHeight
int(11) DEFAULT NULL, classId
int(11) DEFAULT NULL,
imageSizeId
tinyint(4) NOT NULL, isImageEnabled
bit(1) DEFAULT
b'0', sortOrderId
int(11) DEFAULT NULL, PRIMARY KEY (imageId
)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8