约束以防止在第三个中违反 FK 约束 table
Constraint to prevent violation of FK constraint in a third table
我可以在存储过程中实现我想要的约束,但我想知道我是否可以定义一组外键约束来完成这项工作。
我有几个 table,具有以下关键关系:
NSNs
---
Id PK
Solicitations
----
Id PK
NSNId FK - NSNs
Parts
-----
Id PK
NSNId FK - NSNs
BaseRFQs
-------
Id PK
NSNId FK - NSNs
RFQs
----
Id PK
BaseRFQId FK - BaseRFQs
BaseRFQsSols
------------
BaseRFQId PK/FK - BaseRFQs
SolId PK/FK - Solicitations
RFQsSolsParts
-------------
RFQId PK/FK - RFQs
SolId PK/FK - Solicitations
PartId PK/FK - Parts
我的问题是:
- 是否可以在 BaseRFQsSols 上设置外键约束,要求 BaseRFQId 和 SolId 引用具有相同 NSNId 的记录?
- 是否可以在 RFQsSolsParts 上设置外键约束,要求 SolId 和 PartId 引用具有相同 NSNId 的记录,和 要求 RFQId 引用具有相同 NSNId 的 BaseRFQId与其他两个相同的 NSNId?
我正在使用 MySQL,虽然据我了解(如果我理解错误请纠正我)我询问的 CONSTRAINT FOREIGN KEY 语法是符合 ANSI 的,所以解决方案不应该因 DBMS 实现而异。
编辑:根据@Drew 的要求,这里是 table 现在的定义:
CREATE TABLE `nsns` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSN` char(16) NOT NULL,
`Description` varchar(100) DEFAULT NULL,
`ShortDesc` varchar(20) DEFAULT NULL,
PRIMARY KEY (`ID`),
UNIQUE KEY `NSN_UNIQUE` (`NSN`)
) ENGINE=InnoDB AUTO_INCREMENT=42 DEFAULT CHARSET=latin7
CREATE TABLE `solicitations` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '0',
`SolicitationNo` char(16) NOT NULL,
`Quantity` int(11) NOT NULL,
`ReturnByDate` date NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '1',
`Memo` text,
PRIMARY KEY (`ID`),
UNIQUE KEY `SolicitationNo_UNIQUE` (`SolicitationNo`),
KEY `NSN_idx` (`NSNId`)
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin7
CREATE TABLE `parts` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`StatusId` int(11) DEFAULT '1',
`PartNo` varchar(45) DEFAULT NULL,
`Memo` text,
PRIMARY KEY (`ID`)
KEY `NSN_idx` (`NSNId`)
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=18 DEFAULT CHARSET=latin7
CREATE TABLE `baserfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`BRFQNo` varchar(45) DEFAULT NULL,
`Memo` text,
`Finalized` bit(1) NOT NULL DEFAULT b'0',
PRIMARY KEY (`ID`),
UNIQUE KEY `BRFQNo_UNIQUE` (`BRFQNo`),
KEY `NSN_idx` (`NSNId`),
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7
CREATE TABLE `rfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`BaseRFQId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`RFQNo` varchar(45) NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '6',
`DateSent` date DEFAULT NULL,
`DateResponded` date DEFAULT NULL,
`VendorNotes` text,
`QuotedBy` varchar(45) DEFAULT NULL,
`Title` varchar(45) DEFAULT NULL,
`ValidityCodeId` int(11) DEFAULT '4',
`UnitWt` decimal(10,3) DEFAULT NULL,
`WtUOMId` int(11) DEFAULT '1',
PRIMARY KEY (`ID`),
UNIQUE KEY `RFQNo_UNIQUE` (`RFQNo`),
KEY `BaseRFQId_idx` (`BaseRFQId`),
KEY `VendorId_idx` (`VendorId`),
KEY `StatusId_idx` (`StatusId`),
KEY `ValidityCodeId_idx` (`ValidityCodeId`),
KEY `WtUOMId_idx` (`WtUOMId`),
CONSTRAINT `WtUOMId` FOREIGN KEY (`WtUOMId`) REFERENCES `wtuoms` (`ID`),
CONSTRAINT `BaseRFQId` FOREIGN KEY (`BaseRFQId`) REFERENCES `baserfqs` (`ID`),
CONSTRAINT `StatusId` FOREIGN KEY (`StatusId`) REFERENCES `rfqstatus` (`ID`),
CONSTRAINT `ValidityCodeId` FOREIGN KEY (`ValidityCodeId`) REFERENCES `validitycodes` (`ID`),
CONSTRAINT `VendorId` FOREIGN KEY (`VendorId`) REFERENCES `vendors` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7
CREATE TABLE `baserfqssols` (
`BaseRFQId` int(11) NOT NULL,
`SolId` int(11) NOT NULL,
`LineItemNo` int(11) NOT NULL DEFAULT '1',
PRIMARY KEY (`BaseRFQId`,`SolId`),
KEY `RFQ_idx` (`BaseRFQId`),
KEY `Solicitation_idx` (`SolId`)
) ENGINE=MyISAM DEFAULT CHARSET=latin7
CREATE TABLE `rfqssolsparts` (
`RFQId` int(11) NOT NULL,
`SolId` int(11) NOT NULL,
`PartId` int(11) NOT NULL,
`CondId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`UnitPrice` decimal(10,3) NOT NULL,
`LeadTime` int(11) DEFAULT NULL,
`LTCId` int(11) DEFAULT NULL,
`SplsNSNId` int(11) DEFAULT NULL,
`SetupCostInc` bit(1) NOT NULL DEFAULT b'0',
`CertCostInc` bit(1) NOT NULL DEFAULT b'0',
`MfgCerts` bit(1) NOT NULL DEFAULT b'0',
`Altered` bit(1) NOT NULL DEFAULT b'0',
`OrigPkg` bit(1) NOT NULL DEFAULT b'1',
`SplsContNo` varchar(45) DEFAULT NULL,
`SplsDate` date DEFAULT NULL,
PRIMARY KEY (`RFQId`,`SolId`,`PartId`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7
我认为你的 solId
适合 solitications
。我原本以为它的意思是坚固的(像一块石头)。所以,这可以通过组合来完成。
请注意,提供的架构中存在一些拼写错误。一些缺少逗号,一些欺骗了索引名称。 MyISAM table 更改为 INNODB。所以我做了一些重命名。此外,在 table5 左右,缺少 tables。所以它不像你的脚本会 运行 (对于 table rfqs
)。
同样,由于您缺少提供的 table,以下架构将失败,大约 60% 到 70% 通过它。
到目前为止的表数:
create schema slipper;
use slipper;
CREATE TABLE `nsns` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSN` char(16) NOT NULL,
`Description` varchar(100) DEFAULT NULL,
`ShortDesc` varchar(20) DEFAULT NULL,
PRIMARY KEY (`ID`),
UNIQUE KEY `NSN_UNIQUE` (`NSN`)
) ENGINE=InnoDB AUTO_INCREMENT=42 DEFAULT CHARSET=latin7;
drop table if exists `solicitations`;
CREATE TABLE `solicitations` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '0',
`SolicitationNo` char(16) NOT NULL,
`Quantity` int(11) NOT NULL,
`ReturnByDate` date NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '1',
`Memo` text,
PRIMARY KEY (`ID`),
UNIQUE KEY `SolicitationNo_UNIQUE` (`SolicitationNo`),
KEY `NSN_idx1111` (`NSNId`),
KEY `NSN_idx1112` (`ID`,`NSNId`), -- atm an necessary evil. Revisit, perhaps collapse one
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin7;
drop table if exists `parts`;
CREATE TABLE `parts` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`StatusId` int(11) DEFAULT '1',
`PartNo` varchar(45) DEFAULT NULL,
`Memo` text,
PRIMARY KEY (`ID`),
KEY `NSN_idx2222` (`NSNId`),
KEY `NSN_idx2223` (`ID`,`NSNId`), -- atm an necessary evil. Revisit, perhaps collapse one
CONSTRAINT `NSNId2222` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=18 DEFAULT CHARSET=latin7;
drop table if exists `baserfqs`;
CREATE TABLE `baserfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`BRFQNo` varchar(45) DEFAULT NULL,
`Memo` text,
`Finalized` bit(1) NOT NULL DEFAULT b'0',
PRIMARY KEY (`ID`),
UNIQUE KEY `BRFQNo_UNIQUE` (`BRFQNo`),
KEY `NSN_idx4444` (`NSNId`),
KEY `NSN_idx4445` (`ID`,`NSNId`), -- atm an necessary evil. Revisit, perhaps collapse one
CONSTRAINT `NSNId4444` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7;
CREATE TABLE `rfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`BaseRFQId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`RFQNo` varchar(45) NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '6',
`DateSent` date DEFAULT NULL,
`DateResponded` date DEFAULT NULL,
`VendorNotes` text,
`QuotedBy` varchar(45) DEFAULT NULL,
`Title` varchar(45) DEFAULT NULL,
`ValidityCodeId` int(11) DEFAULT '4',
`UnitWt` decimal(10,3) DEFAULT NULL,
`WtUOMId` int(11) DEFAULT '1',
PRIMARY KEY (`ID`),
UNIQUE KEY `RFQNo_UNIQUE` (`RFQNo`),
KEY `BaseRFQId_idx` (`BaseRFQId`),
KEY `VendorId_idx` (`VendorId`),
KEY `StatusId_idx` (`StatusId`),
KEY `ValidityCodeId_idx` (`ValidityCodeId`),
KEY `WtUOMId_idx` (`WtUOMId`),
CONSTRAINT `WtUOMId` FOREIGN KEY (`WtUOMId`) REFERENCES `wtuoms` (`ID`),
CONSTRAINT `BaseRFQId` FOREIGN KEY (`BaseRFQId`) REFERENCES `baserfqs` (`ID`),
CONSTRAINT `StatusId` FOREIGN KEY (`StatusId`) REFERENCES `rfqstatus` (`ID`),
CONSTRAINT `ValidityCodeId` FOREIGN KEY (`ValidityCodeId`) REFERENCES `validitycodes` (`ID`),
CONSTRAINT `VendorId` FOREIGN KEY (`VendorId`) REFERENCES `vendors` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7;
drop table if exists `compTableX001`;
CREATE TABLE `compTableX001`
( -- a composition table for FK's in `baserfqssols`
`ID` int(11) AUTO_INCREMENT PRIMARY KEY,
`BaseRFQId` int(11) NOT NULL, -- baserfqs.ID
`SolId` int(11) NOT NULL, -- solicitations.ID
`NSNId` int(11) NOT NULL,
unique key (`BaseRFQId`,`SolId`), -- no dupes allowed
CONSTRAINT `tx001_base` FOREIGN KEY (`BaseRFQId`,`NSNId`) REFERENCES `baserfqs` (`ID`,`NSNId`),
CONSTRAINT `tx001_sol` FOREIGN KEY (`SolId`,`NSNId`) REFERENCES `solicitations` (`ID`,`NSNId`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7;
drop table if exists `compTableX002`;
CREATE TABLE `compTableX002`
( -- a composition table for FK's in `rfqssolsparts`
`ID` int(11) AUTO_INCREMENT PRIMARY KEY,
`BaseRFQId` int(11) NOT NULL, -- baserfqs.ID
`SolId` int(11) NOT NULL, -- solicitations.ID
`PartId` int(11) NOT NULL, -- parts.ID
`NSNId` int(11) NOT NULL,
unique key (`BaseRFQId`,`SolId`,`PartId`), -- no dupes allowed
CONSTRAINT `tx002_base` FOREIGN KEY (`BaseRFQId`,`NSNId`) REFERENCES `baserfqs` (`ID`,`NSNId`),
CONSTRAINT `tx002_sol` FOREIGN KEY (`SolId`,`NSNId`) REFERENCES `solicitations` (`ID`,`NSNId`),
CONSTRAINT `tx002_part` FOREIGN KEY (`PartId`,`NSNId`) REFERENCES `parts` (`ID`,`NSNId`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7;
drop table if exists `baserfqssols`;
CREATE TABLE `baserfqssols` (
`ID` int(11) auto_increment,
`compId` int(11) NOT NULL, -- composition ID `compTableX001`.`ID`
`LineItemNo` int(11) NOT NULL DEFAULT '1',
PRIMARY KEY (`ID`),
CONSTRAINT `basesol_compX001` FOREIGN KEY (`compId`) REFERENCES `compTableX001` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7; -- changed engine type
-- Is it possible to set up a foreign key constraint on RFQsSolsParts that requires SolId and PartId to reference records
-- that have the same NSNId, and requires RFQId to reference a BaseRFQId which has the same NSNId as the other two?
drop table if exists `rfqssolsparts`;
CREATE TABLE `rfqssolsparts` (
-- `RFQId` int(11) NOT NULL, -- requirement BBBBBBBBBBBBB
-- `SolId` int(11) NOT NULL, -- requirement AAAAAAAAA
-- `PartId` int(11) NOT NULL, -- requirement AAAAAAAAA
`ID` int(11) auto_increment,
`compId` int(11) NOT NULL, -- composition ID `compTableX002`.`ID`
`CondId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`UnitPrice` decimal(10,3) NOT NULL,
`LeadTime` int(11) DEFAULT NULL,
`LTCId` int(11) DEFAULT NULL,
`SplsNSNId` int(11) DEFAULT NULL,
`SetupCostInc` bit(1) NOT NULL DEFAULT b'0',
`CertCostInc` bit(1) NOT NULL DEFAULT b'0',
`MfgCerts` bit(1) NOT NULL DEFAULT b'0',
`Altered` bit(1) NOT NULL DEFAULT b'0',
`OrigPkg` bit(1) NOT NULL DEFAULT b'1',
`SplsContNo` varchar(45) DEFAULT NULL,
`SplsDate` date DEFAULT NULL,
-- PRIMARY KEY (`RFQId`,`SolId`,`PartId`)
PRIMARY KEY (`ID`),
CONSTRAINT `triplet_compX002` FOREIGN KEY (`compId`) REFERENCES `compTableX002` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7;
compTableX001
就像一个名为 ID
的 TwoParents-OneChild 迷你层次结构。所以 ID
是父母的名字。它有两个 parents(BaseRFQId
和 SolId
)和一个 child(NSNId
)。名称或标识符,如 ID
,是其支持的 baserfqssols
行的 FK 目标。 引用和引用。
同样,compTableX002
现在似乎解决了问题 2 的条件。
清理:
drop schema slipper;
我可以在存储过程中实现我想要的约束,但我想知道我是否可以定义一组外键约束来完成这项工作。
我有几个 table,具有以下关键关系:
NSNs
---
Id PK
Solicitations
----
Id PK
NSNId FK - NSNs
Parts
-----
Id PK
NSNId FK - NSNs
BaseRFQs
-------
Id PK
NSNId FK - NSNs
RFQs
----
Id PK
BaseRFQId FK - BaseRFQs
BaseRFQsSols
------------
BaseRFQId PK/FK - BaseRFQs
SolId PK/FK - Solicitations
RFQsSolsParts
-------------
RFQId PK/FK - RFQs
SolId PK/FK - Solicitations
PartId PK/FK - Parts
我的问题是:
- 是否可以在 BaseRFQsSols 上设置外键约束,要求 BaseRFQId 和 SolId 引用具有相同 NSNId 的记录?
- 是否可以在 RFQsSolsParts 上设置外键约束,要求 SolId 和 PartId 引用具有相同 NSNId 的记录,和 要求 RFQId 引用具有相同 NSNId 的 BaseRFQId与其他两个相同的 NSNId?
我正在使用 MySQL,虽然据我了解(如果我理解错误请纠正我)我询问的 CONSTRAINT FOREIGN KEY 语法是符合 ANSI 的,所以解决方案不应该因 DBMS 实现而异。
编辑:根据@Drew 的要求,这里是 table 现在的定义:
CREATE TABLE `nsns` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSN` char(16) NOT NULL,
`Description` varchar(100) DEFAULT NULL,
`ShortDesc` varchar(20) DEFAULT NULL,
PRIMARY KEY (`ID`),
UNIQUE KEY `NSN_UNIQUE` (`NSN`)
) ENGINE=InnoDB AUTO_INCREMENT=42 DEFAULT CHARSET=latin7
CREATE TABLE `solicitations` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '0',
`SolicitationNo` char(16) NOT NULL,
`Quantity` int(11) NOT NULL,
`ReturnByDate` date NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '1',
`Memo` text,
PRIMARY KEY (`ID`),
UNIQUE KEY `SolicitationNo_UNIQUE` (`SolicitationNo`),
KEY `NSN_idx` (`NSNId`)
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin7
CREATE TABLE `parts` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`StatusId` int(11) DEFAULT '1',
`PartNo` varchar(45) DEFAULT NULL,
`Memo` text,
PRIMARY KEY (`ID`)
KEY `NSN_idx` (`NSNId`)
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=18 DEFAULT CHARSET=latin7
CREATE TABLE `baserfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`BRFQNo` varchar(45) DEFAULT NULL,
`Memo` text,
`Finalized` bit(1) NOT NULL DEFAULT b'0',
PRIMARY KEY (`ID`),
UNIQUE KEY `BRFQNo_UNIQUE` (`BRFQNo`),
KEY `NSN_idx` (`NSNId`),
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7
CREATE TABLE `rfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`BaseRFQId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`RFQNo` varchar(45) NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '6',
`DateSent` date DEFAULT NULL,
`DateResponded` date DEFAULT NULL,
`VendorNotes` text,
`QuotedBy` varchar(45) DEFAULT NULL,
`Title` varchar(45) DEFAULT NULL,
`ValidityCodeId` int(11) DEFAULT '4',
`UnitWt` decimal(10,3) DEFAULT NULL,
`WtUOMId` int(11) DEFAULT '1',
PRIMARY KEY (`ID`),
UNIQUE KEY `RFQNo_UNIQUE` (`RFQNo`),
KEY `BaseRFQId_idx` (`BaseRFQId`),
KEY `VendorId_idx` (`VendorId`),
KEY `StatusId_idx` (`StatusId`),
KEY `ValidityCodeId_idx` (`ValidityCodeId`),
KEY `WtUOMId_idx` (`WtUOMId`),
CONSTRAINT `WtUOMId` FOREIGN KEY (`WtUOMId`) REFERENCES `wtuoms` (`ID`),
CONSTRAINT `BaseRFQId` FOREIGN KEY (`BaseRFQId`) REFERENCES `baserfqs` (`ID`),
CONSTRAINT `StatusId` FOREIGN KEY (`StatusId`) REFERENCES `rfqstatus` (`ID`),
CONSTRAINT `ValidityCodeId` FOREIGN KEY (`ValidityCodeId`) REFERENCES `validitycodes` (`ID`),
CONSTRAINT `VendorId` FOREIGN KEY (`VendorId`) REFERENCES `vendors` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7
CREATE TABLE `baserfqssols` (
`BaseRFQId` int(11) NOT NULL,
`SolId` int(11) NOT NULL,
`LineItemNo` int(11) NOT NULL DEFAULT '1',
PRIMARY KEY (`BaseRFQId`,`SolId`),
KEY `RFQ_idx` (`BaseRFQId`),
KEY `Solicitation_idx` (`SolId`)
) ENGINE=MyISAM DEFAULT CHARSET=latin7
CREATE TABLE `rfqssolsparts` (
`RFQId` int(11) NOT NULL,
`SolId` int(11) NOT NULL,
`PartId` int(11) NOT NULL,
`CondId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`UnitPrice` decimal(10,3) NOT NULL,
`LeadTime` int(11) DEFAULT NULL,
`LTCId` int(11) DEFAULT NULL,
`SplsNSNId` int(11) DEFAULT NULL,
`SetupCostInc` bit(1) NOT NULL DEFAULT b'0',
`CertCostInc` bit(1) NOT NULL DEFAULT b'0',
`MfgCerts` bit(1) NOT NULL DEFAULT b'0',
`Altered` bit(1) NOT NULL DEFAULT b'0',
`OrigPkg` bit(1) NOT NULL DEFAULT b'1',
`SplsContNo` varchar(45) DEFAULT NULL,
`SplsDate` date DEFAULT NULL,
PRIMARY KEY (`RFQId`,`SolId`,`PartId`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7
我认为你的 solId
适合 solitications
。我原本以为它的意思是坚固的(像一块石头)。所以,这可以通过组合来完成。
请注意,提供的架构中存在一些拼写错误。一些缺少逗号,一些欺骗了索引名称。 MyISAM table 更改为 INNODB。所以我做了一些重命名。此外,在 table5 左右,缺少 tables。所以它不像你的脚本会 运行 (对于 table rfqs
)。
同样,由于您缺少提供的 table,以下架构将失败,大约 60% 到 70% 通过它。
到目前为止的表数:
create schema slipper;
use slipper;
CREATE TABLE `nsns` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSN` char(16) NOT NULL,
`Description` varchar(100) DEFAULT NULL,
`ShortDesc` varchar(20) DEFAULT NULL,
PRIMARY KEY (`ID`),
UNIQUE KEY `NSN_UNIQUE` (`NSN`)
) ENGINE=InnoDB AUTO_INCREMENT=42 DEFAULT CHARSET=latin7;
drop table if exists `solicitations`;
CREATE TABLE `solicitations` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '0',
`SolicitationNo` char(16) NOT NULL,
`Quantity` int(11) NOT NULL,
`ReturnByDate` date NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '1',
`Memo` text,
PRIMARY KEY (`ID`),
UNIQUE KEY `SolicitationNo_UNIQUE` (`SolicitationNo`),
KEY `NSN_idx1111` (`NSNId`),
KEY `NSN_idx1112` (`ID`,`NSNId`), -- atm an necessary evil. Revisit, perhaps collapse one
CONSTRAINT `NSNId` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin7;
drop table if exists `parts`;
CREATE TABLE `parts` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`StatusId` int(11) DEFAULT '1',
`PartNo` varchar(45) DEFAULT NULL,
`Memo` text,
PRIMARY KEY (`ID`),
KEY `NSN_idx2222` (`NSNId`),
KEY `NSN_idx2223` (`ID`,`NSNId`), -- atm an necessary evil. Revisit, perhaps collapse one
CONSTRAINT `NSNId2222` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=18 DEFAULT CHARSET=latin7;
drop table if exists `baserfqs`;
CREATE TABLE `baserfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`NSNId` int(11) NOT NULL,
`BRFQNo` varchar(45) DEFAULT NULL,
`Memo` text,
`Finalized` bit(1) NOT NULL DEFAULT b'0',
PRIMARY KEY (`ID`),
UNIQUE KEY `BRFQNo_UNIQUE` (`BRFQNo`),
KEY `NSN_idx4444` (`NSNId`),
KEY `NSN_idx4445` (`ID`,`NSNId`), -- atm an necessary evil. Revisit, perhaps collapse one
CONSTRAINT `NSNId4444` FOREIGN KEY (`NSNId`) REFERENCES `nsns` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7;
CREATE TABLE `rfqs` (
`ID` int(11) NOT NULL AUTO_INCREMENT,
`BaseRFQId` int(11) NOT NULL,
`VendorId` int(11) NOT NULL,
`RFQNo` varchar(45) NOT NULL,
`StatusId` int(11) NOT NULL DEFAULT '6',
`DateSent` date DEFAULT NULL,
`DateResponded` date DEFAULT NULL,
`VendorNotes` text,
`QuotedBy` varchar(45) DEFAULT NULL,
`Title` varchar(45) DEFAULT NULL,
`ValidityCodeId` int(11) DEFAULT '4',
`UnitWt` decimal(10,3) DEFAULT NULL,
`WtUOMId` int(11) DEFAULT '1',
PRIMARY KEY (`ID`),
UNIQUE KEY `RFQNo_UNIQUE` (`RFQNo`),
KEY `BaseRFQId_idx` (`BaseRFQId`),
KEY `VendorId_idx` (`VendorId`),
KEY `StatusId_idx` (`StatusId`),
KEY `ValidityCodeId_idx` (`ValidityCodeId`),
KEY `WtUOMId_idx` (`WtUOMId`),
CONSTRAINT `WtUOMId` FOREIGN KEY (`WtUOMId`) REFERENCES `wtuoms` (`ID`),
CONSTRAINT `BaseRFQId` FOREIGN KEY (`BaseRFQId`) REFERENCES `baserfqs` (`ID`),
CONSTRAINT `StatusId` FOREIGN KEY (`StatusId`) REFERENCES `rfqstatus` (`ID`),
CONSTRAINT `ValidityCodeId` FOREIGN KEY (`ValidityCodeId`) REFERENCES `validitycodes` (`ID`),
CONSTRAINT `VendorId` FOREIGN KEY (`VendorId`) REFERENCES `vendors` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin7;
drop table if exists `compTableX001`;
CREATE TABLE `compTableX001`
( -- a composition table for FK's in `baserfqssols`
`ID` int(11) AUTO_INCREMENT PRIMARY KEY,
`BaseRFQId` int(11) NOT NULL, -- baserfqs.ID
`SolId` int(11) NOT NULL, -- solicitations.ID
`NSNId` int(11) NOT NULL,
unique key (`BaseRFQId`,`SolId`), -- no dupes allowed
CONSTRAINT `tx001_base` FOREIGN KEY (`BaseRFQId`,`NSNId`) REFERENCES `baserfqs` (`ID`,`NSNId`),
CONSTRAINT `tx001_sol` FOREIGN KEY (`SolId`,`NSNId`) REFERENCES `solicitations` (`ID`,`NSNId`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7;
drop table if exists `compTableX002`;
CREATE TABLE `compTableX002`
( -- a composition table for FK's in `rfqssolsparts`
`ID` int(11) AUTO_INCREMENT PRIMARY KEY,
`BaseRFQId` int(11) NOT NULL, -- baserfqs.ID
`SolId` int(11) NOT NULL, -- solicitations.ID
`PartId` int(11) NOT NULL, -- parts.ID
`NSNId` int(11) NOT NULL,
unique key (`BaseRFQId`,`SolId`,`PartId`), -- no dupes allowed
CONSTRAINT `tx002_base` FOREIGN KEY (`BaseRFQId`,`NSNId`) REFERENCES `baserfqs` (`ID`,`NSNId`),
CONSTRAINT `tx002_sol` FOREIGN KEY (`SolId`,`NSNId`) REFERENCES `solicitations` (`ID`,`NSNId`),
CONSTRAINT `tx002_part` FOREIGN KEY (`PartId`,`NSNId`) REFERENCES `parts` (`ID`,`NSNId`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7;
drop table if exists `baserfqssols`;
CREATE TABLE `baserfqssols` (
`ID` int(11) auto_increment,
`compId` int(11) NOT NULL, -- composition ID `compTableX001`.`ID`
`LineItemNo` int(11) NOT NULL DEFAULT '1',
PRIMARY KEY (`ID`),
CONSTRAINT `basesol_compX001` FOREIGN KEY (`compId`) REFERENCES `compTableX001` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7; -- changed engine type
-- Is it possible to set up a foreign key constraint on RFQsSolsParts that requires SolId and PartId to reference records
-- that have the same NSNId, and requires RFQId to reference a BaseRFQId which has the same NSNId as the other two?
drop table if exists `rfqssolsparts`;
CREATE TABLE `rfqssolsparts` (
-- `RFQId` int(11) NOT NULL, -- requirement BBBBBBBBBBBBB
-- `SolId` int(11) NOT NULL, -- requirement AAAAAAAAA
-- `PartId` int(11) NOT NULL, -- requirement AAAAAAAAA
`ID` int(11) auto_increment,
`compId` int(11) NOT NULL, -- composition ID `compTableX002`.`ID`
`CondId` int(11) NOT NULL,
`UOMId` int(11) NOT NULL DEFAULT '1',
`QUPId` int(11) NOT NULL DEFAULT '1',
`UnitPrice` decimal(10,3) NOT NULL,
`LeadTime` int(11) DEFAULT NULL,
`LTCId` int(11) DEFAULT NULL,
`SplsNSNId` int(11) DEFAULT NULL,
`SetupCostInc` bit(1) NOT NULL DEFAULT b'0',
`CertCostInc` bit(1) NOT NULL DEFAULT b'0',
`MfgCerts` bit(1) NOT NULL DEFAULT b'0',
`Altered` bit(1) NOT NULL DEFAULT b'0',
`OrigPkg` bit(1) NOT NULL DEFAULT b'1',
`SplsContNo` varchar(45) DEFAULT NULL,
`SplsDate` date DEFAULT NULL,
-- PRIMARY KEY (`RFQId`,`SolId`,`PartId`)
PRIMARY KEY (`ID`),
CONSTRAINT `triplet_compX002` FOREIGN KEY (`compId`) REFERENCES `compTableX002` (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin7;
compTableX001
就像一个名为 ID
的 TwoParents-OneChild 迷你层次结构。所以 ID
是父母的名字。它有两个 parents(BaseRFQId
和 SolId
)和一个 child(NSNId
)。名称或标识符,如 ID
,是其支持的 baserfqssols
行的 FK 目标。 引用和引用。
同样,compTableX002
现在似乎解决了问题 2 的条件。
清理:
drop schema slipper;