Added a CHECK constraint to ensure that the 'rating' in the 'product_…

…reviews' table is within the range of 1 to 5. (#144) Co-authored-by: GitHub Gen Changes <>
ariga · Jan 23, 2025 · 491bc19 · 491bc19
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commit 491bc19
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/dirs/ecommerce/migrations/20250123131157.sql b/dirs/ecommerce/migrations/20250123131157.sql
@@ -0,0 +1,2 @@
+-- Modify "product_reviews" table
+ALTER TABLE `product_reviews` ADD CONSTRAINT `product_reviews_chk_1` CHECK (`rating` between 1 and 5);
diff --git a/dirs/ecommerce/migrations/atlas.sum b/dirs/ecommerce/migrations/atlas.sum
@@ -1,4 +1,4 @@
-h1:qUsV8m7kQlXC4YC/G1sDfxsE9LPgKNyNy7O+/X0UBpE=
+h1:DwJL5vSGojPGgDsgArTBRR/hoMDbfMGX8s/NjwJHZkw=
 20230316085611.sql h1:br6W6LPEnnsejlz/7hRm9zthwStCzjN2vZkqVPxlmvo=
 20230316090502.sql h1:GfeRjkSeoCt3JVRtLQNa/r50lRfpAPXS7AqTU2ZNFgY=
 20230531091333_products_categories.sql h1:59q2M59dV5dJNv4Lyb2TAJz8V6HekgkLn9z4DoL98jA=
@@ -71,3 +71,4 @@ h1:qUsV8m7kQlXC4YC/G1sDfxsE9LPgKNyNy7O+/X0UBpE=
 20250107131148.sql h1:myfTSveM0wrY/UypJW3R/kZX8Dz4fW6w5/kAuYLncWM=
 20250112130920.sql h1:apmP+t1Zki0aUrUquK4m6DKnH6tGrSa99Ep+LXNjz8k=
 20250114131013.sql h1:uHxFLNR7VUSQJ20e4LdjWYTkuZ7yibVTVeCpYshlHAM=
+20250123131157.sql h1:oWdCizC0eU0GN195MTPHTgs9mpkl0D18E1hV0NoNy1s=
diff --git a/dirs/ecommerce/schema.sql b/dirs/ecommerce/schema.sql
@@ -73,7 +73,8 @@ CREATE TABLE `product_reviews` (
     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
+    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)
 ) CHARSET utf8mb4 COLLATE utf8mb4_0900_ai_ci COMMENT 'Table for storing reviews of products by users';
 
 -- Create 'fulfillment_centers' table
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		-- Modify "product_reviews" table
		ALTER TABLE `product_reviews` ADD CONSTRAINT `product_reviews_chk_1` CHECK (`rating` between 1 and 5);