The product_document_id_identifier_unique constraint is redundant

as there is already a constraint to keep the identifier unique. If that is already unique, then how could (product.document_id, product.identifier) possibly be not unique?
sbsdev · Sep 9, 2024 · 3508f5d · 3508f5d
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diff --git a/resources/migrations/20240619152403-constrain-products.down.sql b/resources/migrations/20240619152403-constrain-products.down.sql
@@ -1,7 +1,3 @@
-ALTER TABLE documents_product DROP KEY product_document_id_identifier_unique;
-
---;;
-
 ALTER TABLE documents_product DROP KEY product_identifier_unique;
 
 --;;

diff --git a/resources/migrations/20240619152403-constrain-products.up.sql b/resources/migrations/20240619152403-constrain-products.up.sql
@@ -1,8 +1,3 @@
--- (`product.document_id`, `product.identifier`) should be unique
-ALTER TABLE documents_product ADD CONSTRAINT UNIQUE product_document_id_identifier_unique (document_id, identifier);
-
---;;
-
 -- `product.identifier` should be unique
 ALTER TABLE documents_product ADD CONSTRAINT UNIQUE product_identifier_unique (identifier);