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Editorial Team
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Asked: 2026-05-27T03:34:32+00:00

i am trying to import a sql dump of magento along with some product

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i am trying to import a sql dump of magento along with some product data and i get this foreign key constraint error:

`ERROR 1452 (23000) at line 231680: Cannot add or update a child row: a foreign key constraint fails:
`magento`.`#sql-b33_27`, CONSTRAINT `FK_CATALOG_COMPARE_ITEM_CUSTOMER_ID_CUSTOMER_ENTITY_ENTITY_ID` FOREIGN KEY (`customer_id`) REFERENCES `customer_entity` (`entity_id`) ON DELETE CASCADE ON )`

This is the sql code which is causing the error :

--
-- Constraints for table `catalog_eav_attribute`
--
ALTER TABLE `catalog_eav_attribute`
  ADD CONSTRAINT `FK_CATALOG_EAV_ATTRIBUTE_ATTRIBUTE_ID_EAV_ATTRIBUTE_ATTRIBUTE_ID` FOREIGN KEY (`attribute_id`) REFERENCES `eav_attribute` (`attribute_id`) ON DELETE CASCADE ON UPDATE CASCADE;

I am not very comfortable with sql queries. Could some one please explain me what this query does and guide me to resolve this? Thanks.

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1 Answer

  1. Editorial Team

    You are trying to add a record into catalog_eav_attribute, but you do not have a corresponding record in eav_attribute that matches on attribute_id

    If you are also inserting bulk data into eav_attribute, I would recommend doing that first, and then the data would be in the table before the foreign key on catalog_eav_attribute needed to reference it.

    This article discusses how you can use:

    SET FOREIGN_KEY_CHECKS = 0;
--Do your update here
SET FOREIGN_KEY_CHECKS = 1;

    If you cannot change the order that you are inserting data. You just have to make sure your data follows the Foreign Keys once everything has been inserted into the database, before you can re-enable the FOREIGN_KEY_CHECKS

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