Watch entries criação

apps/backend/src/db/migrations/20260203120000_add_user_stats_indexes.sql

@@ -1,29 +1,40 @@
--- Performance indexes for user statistics queries
--- These indexes significantly improve the performance of stats aggregations
+-- Ensure user_watch_entries table exists (safety net in case previous migration was skipped)
+CREATE TABLE IF NOT EXISTS "user_watch_entries" (
+  "id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+  "user_item_id" uuid NOT NULL,
+  "watched_at" timestamp DEFAULT now() NOT NULL,
+  "created_at" timestamp DEFAULT now() NOT NULL
+);--> statement-breakpoint
+
+DO $$ BEGIN
+  ALTER TABLE "user_watch_entries"
+    ADD CONSTRAINT "user_watch_entries_user_item_id_user_items_id_fk"
+    FOREIGN KEY ("user_item_id") REFERENCES "public"."user_items"("id")
+    ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+  WHEN duplicate_object THEN null;
+END $$;--> statement-breakpoint
 
--- Index for user_items: covers queries filtering by user_id + status (most common pattern)
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_user_items_user_status" 
-  ON "user_items" ("user_id", "status");
+CREATE INDEX IF NOT EXISTS "user_watch_entries_user_item_idx" ON "user_watch_entries" USING btree ("user_item_id");--> statement-breakpoint
+
+-- Performance indexes for user statistics queries
+CREATE INDEX IF NOT EXISTS "idx_user_items_user_status"
+  ON "user_items" ("user_id", "status");--> statement-breakpoint
 
--- Index for user_items: covers queries filtering by user_id + media_type + status
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_user_items_user_media_status" 
-  ON "user_items" ("user_id", "media_type", "status");
+CREATE INDEX IF NOT EXISTS "idx_user_items_user_media_status"
+  ON "user_items" ("user_id", "media_type", "status");--> statement-breakpoint
 
--- Index for user_episodes: covers most-watched series query (GROUP BY tmdb_id WHERE user_id = ?)
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_user_episodes_user_id" 
-  ON "user_episodes" ("user_id");
+CREATE INDEX IF NOT EXISTS "idx_user_episodes_user_id"
+  ON "user_episodes" ("user_id");--> statement-breakpoint
 
--- Index for user_episodes: covers runtime aggregations
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_user_episodes_user_tmdb" 
-  ON "user_episodes" ("user_id", "tmdb_id");
+CREATE INDEX IF NOT EXISTS "idx_user_episodes_user_tmdb"
+  ON "user_episodes" ("user_id", "tmdb_id");--> statement-breakpoint
 
--- Index for reviews: covers best reviews query (rating = 5 for a user)
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_reviews_user_rating" 
-  ON "reviews" ("user_id", "rating");
+CREATE INDEX IF NOT EXISTS "idx_reviews_user_rating"
+  ON "reviews" ("user_id", "rating");--> statement-breakpoint
 
--- Index for followers: covers follower/following count queries
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_followers_follower_id" 
-  ON "followers" ("follower_id");
+CREATE INDEX IF NOT EXISTS "idx_followers_follower_id"
+  ON "followers" ("follower_id");--> statement-breakpoint
 
-CREATE INDEX CONCURRENTLY IF NOT EXISTS "idx_followers_followed_id" 
+CREATE INDEX IF NOT EXISTS "idx_followers_followed_id"
   ON "followers" ("followed_id");