Ensure unique combination of user_id and product_id in product_review…

…s table to prevent duplicate reviews from the same user for a single product.
ariga · Aug 20, 2024 · aa652ef · aa652ef
1 parent 8ef958f
commit aa652ef
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/dirs/ecommerce/migrations/20240820130921.sql b/dirs/ecommerce/migrations/20240820130921.sql
@@ -0,0 +1,2 @@
+-- Modify "product_reviews" table
+ALTER TABLE `product_reviews` ADD UNIQUE INDEX `user_product_review` (`user_id`, `product_id`);
diff --git a/dirs/ecommerce/migrations/atlas.sum b/dirs/ecommerce/migrations/atlas.sum
@@ -1,4 +1,4 @@
-h1:t5nB6GHWoQqI+kJDICV6tBKGpotim6b5wphogskPQlQ=
+h1:2o9wb+D492kEsRX8rG06tnSTdP5U3MNXlgxJ/JbZ4BQ=
 20230316085611.sql h1:br6W6LPEnnsejlz/7hRm9zthwStCzjN2vZkqVPxlmvo=
 20230316090502.sql h1:GfeRjkSeoCt3JVRtLQNa/r50lRfpAPXS7AqTU2ZNFgY=
 20230531091333_products_categories.sql h1:59q2M59dV5dJNv4Lyb2TAJz8V6HekgkLn9z4DoL98jA=
@@ -35,3 +35,4 @@ h1:t5nB6GHWoQqI+kJDICV6tBKGpotim6b5wphogskPQlQ=
 20240808130858.sql h1:z1ZMAu6Olrqut5mavBk5M9CbJ0Yb7Calp9vSMyFJEvY=
 20240811130749.sql h1:gdDmY5C1ZLsdBT6BSYnwlub1rFzYPtsP4gZdrXpRfRI=
 20240815125449.sql h1:3vhjuCKKwckYQX7JIEFDL6hfjoiHFD5iECEmgfdvcHI=
+20240820130921.sql h1:jI1wgEMLFJ90gSqeQLR1y5PSCWnWX+lmwAE8WXy4Nws=
diff --git a/dirs/ecommerce/schema.sql b/dirs/ecommerce/schema.sql
@@ -1,4 +1,4 @@
-        -- Create 'users' table
+-- Create 'users' table
 CREATE TABLE `users` (
 `id` int NOT NULL,
 `user_name` varchar(255) NOT NULL,
@@ -52,6 +52,7 @@ CREATE TABLE `product_reviews` (
 PRIMARY KEY (`id`),
 INDEX `product_id` (`product_id`),
 INDEX `user_id` (`user_id`),
+UNIQUE INDEX `user_product_review` (`user_id`, `product_id`),
 CONSTRAINT `product_reviews_ibfk_1` FOREIGN KEY (`product_id`) REFERENCES `products` (`id`) ON UPDATE NO ACTION ON DELETE CASCADE,
 CONSTRAINT `product_reviews_ibfk_2` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON UPDATE NO ACTION ON DELETE CASCADE,
 CHECK (`rating` BETWEEN 1 AND 5)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		-- Modify "product_reviews" table
		ALTER TABLE `product_reviews` ADD UNIQUE INDEX `user_product_review` (`user_id`, `product_id`);
Check warning on line 2 in dirs/ecommerce/migrations/20240820130921.sql View workflow job for this annotation GitHub Actions / atlas data dependent changes detected `Adding a unique index "user_product_review" on table "product_reviews" might fail in case columns "user_id", "product_id" contain duplicate entries (MF101) Details: https://atlasgo.io/lint/analyzers#MF101`