Model
UniqueAttributeValidator
Magento\CatalogImportExport\Model\Import\Product\UniqueAttributeValidator
What it does
This validator checks if a product attribute value is unique across the catalog during import operations.
Developers use this class when importing products to ensure attributes marked as unique (like SKU or custom unique fields) don't have duplicate values, preventing data integrity issues during bulk imports.
Public Methods
- isValid()
- clearCache()