Mysql Error Code 1452 Foreign Key
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here for a quick overview of the site Help Center Detailed answers to any questions you might have error code 1452 mysql workbench Meta Discuss the workings and policies of this site About Us mysql error 1452 foreign key constraint fails Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads a foreign key constraint fails mysql insert with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, cannot add or update a child row a foreign key constraint fails on delete cascade on update cascade) just like you, helping each other. Join them; it only takes a minute: Sign up Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails up vote 179 down vote favorite 53 I'm having a bit of a strange problem, I'm trying to add a foreign key to one table
Error Code 1452 Mysql Insert
that references another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I am trying to reference. Here is a picture of my table relationships, generated via phpMyAdmin: Relationships I've done a SHOW CREATE TABLE query on both tables, sourcecodes_tags is the table with the foreign key, sourcecodes is the referenced table. CREATE TABLE `sourcecodes` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `user_id` int(11) unsigned NOT NULL, `language_id` int(11) unsigned NOT NULL, `category_id` int(11) unsigned NOT NULL, `title` varchar(40) CHARACTER SET utf8 NOT NULL, `description` text CHARACTER SET utf8 NOT NULL, `views` int(11) unsigned NOT NULL, `downloads` int(11) unsigned NOT NULL, `time_posted` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, PRIMARY KEY (`id`), KEY `user_id` (`user_id`), KEY `language_id` (`language_id`), KEY `category_id` (`category_id`), CONSTRAINT `sourcecodes_ibfk_3` FOREIGN KEY (`language_id`) REFERENCES `languages` (`id`) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT `sourcecodes_ibfk_1`
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Set Foreign_key_checks=0 Mysql
Us Learn more about Stack Overflow the company Business Learn more about hiring mysql foreign key constraint fails developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the add foreign key to existing table mysql Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up MySQL Foreign key constraint - http://stackoverflow.com/questions/1253459/mysql-error-1452-cannot-add-or-update-a-child-row-a-foreign-key-constraint-fa Error 1452 - Cannot add or update child row up vote 3 down vote favorite I've used the other posts on this topic, but I'm having no luck. Here's the code I execute: UPDATE tblOrderItems SET `ItemID` = 0004 WHERE `OrderNum`= 203 AND `OrderItemID` = 26 Here's my error: Error Code: 1452. Cannot add or update a child row: a foreign key constraint fails (`cai0066`.`tblOrderItems`, CONSTRAINT http://stackoverflow.com/questions/14222967/mysql-foreign-key-constraint-error-1452-cannot-add-or-update-child-row `ItemID` FOREIGN KEY (`ItemID`) REFERENCES `tblCatalogItems` (`ItemID`)) Notes: It happens when I either INSERT or UPDATE into tblOrderItems. tblCatalogItems does have an ItemID of 0004. See: this Here are the create statements generated by MySQL Workbench: delimiter $$ CREATE TABLE `tblCatalogItems` ( `ItemID` varchar(10) NOT NULL DEFAULT '', `ItemName` varchar(50) DEFAULT NULL, `Wholesale` decimal(10,2) DEFAULT NULL, `Cost5-10` decimal(10,2) DEFAULT NULL, `Cost11-19` decimal(10,2) DEFAULT NULL, `Cost20` decimal(10,2) DEFAULT NULL, `Retail` decimal(10,2) DEFAULT NULL, PRIMARY KEY (`ItemID`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1$$ delimiter $$ CREATE TABLE `tblItemCosts` ( `Cost` decimal(10,2) DEFAULT NULL, `VendorID` int(11) NOT NULL, `ItemID` varchar(10) NOT NULL, KEY `VendorID_idx` (`VendorID`), KEY `ItemID_idx` (`ItemID`), CONSTRAINT `VendorID` FOREIGN KEY (`VendorID`) REFERENCES `tblVendors` (`VendorID`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=InnoDB DEFAULT CHARSET=latin1$$ delimiter $$ CREATE TABLE `tblOrderItems` ( `OrderItemID` int(11) NOT NULL AUTO_INCREMENT, `OrderNum` int(11) NOT NULL, `PayPalTxnID` int(10) DEFAULT NULL, `Description` varchar(225) DEFAULT NULL, `Quantity` int(11) DEFAULT NULL, `UnitPrice` decimal(10,2) DEFAULT NULL, `ItemStatus` varchar(30) DEFAULT NULL, `TrackingNumber` varchar(50) DEFAULT NULL, `ShippingCost` decimal(10,2) DEFAULT NULL, `ItemID` varchar(50) DEFAULT NULL, `TotalPrice` decimal(10,2) DEFAULT NULL, PRIMARY KEY (`OrderItemID`,`OrderNum`), UNIQUE KEY `PayPalTxnID_UNIQUE` (`PayPalTxnID`), KEY `PayPalTxnID_idx` (`PayPalTxnID`), KEY `UnitPrice_idx` (`ItemID`), KEY `OrderNum_idx` (`OrderNum`), CONSTRAINT `ItemID` FOREIGN KEY (`ItemID`)
Community Podcasts MySQL.com Downloads Documentation Section Menu: MySQL Forums :: Newbie :: Error Code: 1452. Cannot add or update a child row New Topic Advanced Search Error Code: 1452. Cannot add or http://forums.mysql.com/read.php?10,626303 update a child row Posted by: K Sqlnicus () Date: January 01, 2015 http://dba.stackexchange.com/questions/65963/getting-sql-error-1452-cannot-add-or-update-a-child-row-a-foreign-key-constr 02:25PM I get error 1452: Cannot add or update a child row: a foreign key constraint fails (`ap`.`invoices`, CONSTRAINT `invoices_fk_vendors` FOREIGN KEY (`vendor_id`) REFERENCES `vendors` (`vendor_id`) ON DELETE NO ACTION ON UPDATE NO ACTION) 0.000 sec Query I tried to execute: INSERT INTO invoices (vendor_id, invoice_number, invoice_date, invoice_total, terms_id, invoice_due_date) VALUES (12, foreign key '3289175', '2011-07-18', 165, 3, '2011-08-17'); UPDATE invoices SET credit_total = 35.89 WHERE invoice_number = '367447'; UPDATE invoices SET invoice_due_date = DATE_ADD(invoice_due_date, INTERVAL 30 DAY) WHERE terms_id = 4; DELETE FROM invoices WHERE invoice_number = '4-342-8069'; DELETE FROM invoices WHERE invoice_total - payment_total - credit_total = 0; Using XAMPP 1.8.3 Certificate: Cisco CCNA Navigate:Previous Message•Next Message Options:Reply•Quote Subject Written By Posted Error Code: 1452. Cannot add foreign key constraint or update a child row K Sqlnicus 01/01/2015 02:25PM Re: Error Code: 1452. Cannot add or update a child row Peter Brawley 01/01/2015 05:52PM Re: Error Code: 1452. Cannot add or update a child row K Sqlnicus 01/03/2015 11:54AM Sorry, you can't reply to this topic. It has been closed. powered by phorum Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party. Contact Sales USA: +1-866-221-0634 Canada: +1-866-221-0634 Germany: +49 89 143 01280 France: +33 1 57 60 83 57 Italy: +39 02 249 59 120 UK: +44 207 553 8447 Japan: 0120-065556 China: 10800-811-0823 India: 0008001005870 More Countries» Contact Us Online» Products MySQL Enterprise Edition MySQL Standard Edition MySQL Classic Edition MySQL Cluster CGE MySQL Embedded (OEM/ISV) Services Training Certification Consulting Support Downloads MySQL Community Server MySQL Cluster MySQL Fabric MySQL Utilities MySQL Workbench About MySQL Contact Us How to Buy Partners Job Opportunities Site Map Documentation MySQL Reference Manuals MySQL Workbench Expert Guides Topic Guides MySQL Cluster Legal Legal Policies Your Privacy Rights Terms of Use Tra
log in tour help Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Database Administrators Questions Tags Users Badges Unanswered Ask Question _ Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top getting SQL Error (1452): Cannot add or update a child row: a foreign key constraint fails (Unknown error code) up vote 1 down vote favorite I am getting error with MySQL NDB Cluster 7.3.5 as described below: I have two tables: -User Profiles -User Services User services is a child table which contains foreign key constraint (user_profile_id). insert into user_services (address_type, apn_id, ggsn_id, ip_address, user_profile_id, vpn_id, id) values ('DYNAMIC', 2, 'GGSN01', null, 250, 3, 102); /* SQL Error (1452): Cannot add or update a child row: a foreign key constraint fails (Unknown error code) */ /* Affected rows: 0 Found rows: 0 Warnings: 0 Duration for 0 of 1 query: 0.000 sec. */ The strange thing here is that the parent table User Profiles has the entry with Id 250, but still I am getting error when inserting a row using 250 as user_profile_id. I have checked the log files for data nodes(ndb_id_out.log) and API node(mysqld.id.err) but no luck! I don't know where to check the logs for these kind of errors. DDL of Schemas are as described below: CREATE TABLE `user_services` ( `id` decimal(22,0) NOT NULL, `apn_id` decimal(22,0) DEFAULT NULL, `ggsn_id` varchar(256) CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL, `vpn_id` decimal(22,0) NOT NULL, `user_profile_id` decimal(22,0) NOT NULL, `ip_address` varchar(15) CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL, `address_type` varchar(25) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL, PRIMARY KEY (`id`), KEY `fk_ser_profile` (`user_profile_id`), CONSTRAINT `fk_ser_profile` FOREIGN KEY (`user_profile_id`) REFERENCES `user_profiles` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION ) ENGINE=NDBCLUSTER DEFAULT CHARSET=latin1 CREATE TABLE `user_profiles` ( `id` DECIMAL(22,0) NOT NULL, `group_id` DECIMAL(22,0) NOT NULL, `imsi` VARCHAR(50) NULL DEFAULT NULL COLLATE 'latin1_bin', `username` VARCHAR(32) NOT NUL