disable pghero migration in prod

db/migrate/20211124071418_create_pghero_query_stats.rb

@@ -1,15 +1,17 @@
 class CreatePgheroQueryStats < ActiveRecord::Migration[6.1]
-  def change
-    create_table :pghero_query_stats do |t|
-      t.text :database
-      t.text :user
-      t.text :query
-      t.integer :query_hash, limit: 8
-      t.float :total_time
-      t.integer :calls, limit: 8
-      t.timestamp :captured_at
-    end
+    def change
+      if Rails.env.development?
+        create_table :pghero_query_stats do |t|
+          t.text :database
+          t.text :user
+          t.text :query
+          t.integer :query_hash, limit: 8
+          t.float :total_time
+          t.integer :calls, limit: 8
+          t.timestamp :captured_at
+        end
 
-    add_index :pghero_query_stats, [:database, :captured_at]
-  end
+        add_index :pghero_query_stats, [:database, :captured_at]
+      end
+    end
 end