Add Tiers and Game Prize

migrations/000053_create_game_plays_table.up.sql

@@ -0,0 +1,34 @@
+CREATE TABLE game_plays (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    game_id UUID NOT NULL,
+    customer_id UUID NOT NULL,
+    prize_id UUID,
+    token_used INTEGER DEFAULT 0,
+    random_seed VARCHAR(255),
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    
+    CONSTRAINT fk_game_plays_game
+        FOREIGN KEY (game_id)
+        REFERENCES games(id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_game_plays_customer
+        FOREIGN KEY (customer_id)
+        REFERENCES customers(id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_game_plays_prize
+        FOREIGN KEY (prize_id)
+        REFERENCES game_prizes(id)
+        ON DELETE SET NULL,
+    
+    CONSTRAINT chk_game_plays_token_used_non_negative
+        CHECK (token_used >= 0)
+);
+
+-- Create indexes
+CREATE INDEX idx_game_plays_game_id ON game_plays(game_id);
+CREATE INDEX idx_game_plays_customer_id ON game_plays(customer_id);
+CREATE INDEX idx_game_plays_prize_id ON game_plays(prize_id);
+CREATE INDEX idx_game_plays_created_at ON game_plays(created_at);
+CREATE INDEX idx_game_plays_game_customer ON game_plays(game_id, customer_id);