feat: add index to reporting events [CW-1960] (#7294)

* fix: annotation

* feat: add better index for reporting_events

db/migrate/20230612103936_add_index_to_reporting_events.rb

@@ -0,0 +1,7 @@
+class AddIndexToReportingEvents < ActiveRecord::Migration[7.0]
+  disable_ddl_transaction!
+
+  def change
+    add_index :reporting_events, [:account_id, :name, :created_at], name: 'reporting_events__account_id__name__created_at', algorithm: :concurrently
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_06_08_040738) do
+ActiveRecord::Schema[7.0].define(version: 2023_06_12_103936) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
   enable_extension "pg_trgm"
@@ -798,6 +798,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_06_08_040738) do
     t.float "value_in_business_hours"
     t.datetime "event_start_time", precision: nil
     t.datetime "event_end_time", precision: nil
+    t.index ["account_id", "name", "created_at"], name: "reporting_events__account_id__name__created_at"
     t.index ["account_id"], name: "index_reporting_events_on_account_id"
     t.index ["conversation_id"], name: "index_reporting_events_on_conversation_id"
     t.index ["created_at"], name: "index_reporting_events_on_created_at"