CLDC-4226: Index logs by org and ID (#3199)

* CLDC-4226: index logs by org and id

* CLDC-4226: include teamwide non-functional schema change

* CLDC-4226: schema update

db/migrate/20260225135309_add_composite_indexes_for_logs_organisation_lookup.rb

@@ -0,0 +1,25 @@
+class AddCompositeIndexesForLogsOrganisationLookup < ActiveRecord::Migration[7.2]
+  disable_ddl_transaction!
+
+  def change
+    add_index :lettings_logs, %i[owning_organisation_id id],
+              order: { id: :desc },
+              name: "index_lettings_logs_on_owning_org_and_id_desc",
+              algorithm: :concurrently
+
+    add_index :lettings_logs, %i[managing_organisation_id id],
+              order: { id: :desc },
+              name: "index_lettings_logs_on_managing_org_and_id_desc",
+              algorithm: :concurrently
+
+    add_index :sales_logs, %i[owning_organisation_id id],
+              order: { id: :desc },
+              name: "index_sales_logs_on_owning_org_and_id_desc",
+              algorithm: :concurrently
+
+    add_index :sales_logs, %i[managing_organisation_id id],
+              order: { id: :desc },
+              name: "index_sales_logs_on_managing_org_and_id_desc",
+              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[7.2].define(version: 2026_02_19_093257) do
+ActiveRecord::Schema[7.2].define(version: 2026_02_25_162121) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -408,8 +408,10 @@ ActiveRecord::Schema[7.2].define(version: 2026_02_19_093257) do
     t.index ["bulk_upload_id"], name: "index_lettings_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_lettings_logs_on_created_by_id"
     t.index ["location_id"], name: "index_lettings_logs_on_location_id"
+    t.index ["managing_organisation_id", "id"], name: "index_lettings_logs_on_managing_org_and_id_desc", order: { id: :desc }
     t.index ["managing_organisation_id"], name: "index_lettings_logs_on_managing_organisation_id"
     t.index ["old_id"], name: "index_lettings_logs_on_old_id", unique: true
+    t.index ["owning_organisation_id", "id"], name: "index_lettings_logs_on_owning_org_and_id_desc", order: { id: :desc }
     t.index ["owning_organisation_id"], name: "index_lettings_logs_on_owning_organisation_id"
     t.index ["scheme_id"], name: "index_lettings_logs_on_scheme_id"
     t.index ["updated_by_id"], name: "index_lettings_logs_on_updated_by_id"
@@ -826,8 +828,10 @@ ActiveRecord::Schema[7.2].define(version: 2026_02_19_093257) do
     t.index ["assigned_to_id"], name: "index_sales_logs_on_assigned_to_id"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
+    t.index ["managing_organisation_id", "id"], name: "index_sales_logs_on_managing_org_and_id_desc", order: { id: :desc }
     t.index ["managing_organisation_id"], name: "index_sales_logs_on_managing_organisation_id"
     t.index ["old_id"], name: "index_sales_logs_on_old_id", unique: true
+    t.index ["owning_organisation_id", "id"], name: "index_sales_logs_on_owning_org_and_id_desc", order: { id: :desc }
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"
     t.index ["updated_by_id"], name: "index_sales_logs_on_updated_by_id"
   end