CV2-5138: add more index to improve performance

db/migrate/20240924121509_add_index_to_created_at_for_tipline_request.rb

@@ -0,0 +1,10 @@
+class AddIndexToCreatedAtForTiplineRequest < ActiveRecord::Migration[6.1]
+  def change
+    execute "CREATE INDEX tipline_request_created_at_year ON tipline_requests (date_trunc('year', created_at))" 
+    execute "CREATE INDEX tipline_request_created_at_quarter ON tipline_requests (date_trunc('quarter', created_at))"
+    execute "CREATE INDEX tipline_request_created_at_month ON tipline_requests (date_trunc('month', created_at))"
+    execute "CREATE INDEX tipline_request_created_at_week ON tipline_requests (date_trunc('week', created_at))"
+    execute "CREATE INDEX tipline_request_created_at_day ON tipline_requests (date_trunc('day', created_at))"
+    add_index :tipline_requests, :created_at
+  end
+end

db/migrate/20240924121533_add_index_to_created_at_for_tipline_message.rb

@@ -0,0 +1,10 @@
+class AddIndexToCreatedAtForTiplineMessage < ActiveRecord::Migration[6.1]
+  def change
+    execute "CREATE INDEX tipline_message_created_at_year ON tipline_messages (date_trunc('year', created_at))" 
+    execute "CREATE INDEX tipline_message_created_at_quarter ON tipline_messages (date_trunc('quarter', created_at))"
+    execute "CREATE INDEX tipline_message_created_at_month ON tipline_messages (date_trunc('month', created_at))"
+    execute "CREATE INDEX tipline_message_created_at_week ON tipline_messages (date_trunc('week', created_at))"
+    execute "CREATE INDEX tipline_message_created_at_day ON tipline_messages (date_trunc('day', created_at))"
+    add_index :tipline_messages, :created_at
+  end
+end

db/migrate/20240924130424_add_created_at_index_for_data_points.rb

@@ -0,0 +1,7 @@
+class AddCreatedAtIndexForDataPoints < ActiveRecord::Migration[6.1]
+  def change
+    add_index :tipline_subscriptions, :created_at
+    add_index :tipline_newsletter_deliveries, :created_at
+    add_index :annotations, :created_at
+  end
+end