From dd0f491bebe9c3c28457c18bcd7de3377d5364d3 Mon Sep 17 00:00:00 2001
From: Nat Dean-Lewis <94526761+natdeanlewissoftwire@users.noreply.github.com>
Date: Mon, 2 Mar 2026 16:40:53 +0000
Subject: [PATCH] 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
---
 ...te_indexes_for_logs_organisation_lookup.rb | 25 +++++++++++++++++++
 db/schema.rb                                  |  6 ++++-
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 db/migrate/20260225135309_add_composite_indexes_for_logs_organisation_lookup.rb

diff --git a/db/migrate/20260225135309_add_composite_indexes_for_logs_organisation_lookup.rb b/db/migrate/20260225135309_add_composite_indexes_for_logs_organisation_lookup.rb
new file mode 100644
index 000000000..9be96b015
--- /dev/null
+++ b/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
diff --git a/db/schema.rb b/db/schema.rb
index c5ac9a344..dfde8e765 100644
--- a/db/schema.rb
+++ b/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