From cdc9aad738161f0a1b9078301b0b89325fc4cecf Mon Sep 17 00:00:00 2001
From: Beth Skurrie <beth@bethesque.com>
Date: Tue, 7 Jan 2020 09:53:43 +1100
Subject: [PATCH] feat(matrix): add indexes to optimise queries

---
 ...reate_indexes_on_latest_pact_publications.rb | 17 +++++++++++++++++
 ...07_create_indexes_on_latest_verifications.rb | 17 +++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 db/migrations/20200106_create_indexes_on_latest_pact_publications.rb
 create mode 100644 db/migrations/20200107_create_indexes_on_latest_verifications.rb

diff --git a/db/migrations/20200106_create_indexes_on_latest_pact_publications.rb b/db/migrations/20200106_create_indexes_on_latest_pact_publications.rb
new file mode 100644
index 000000000..e0b024d4d
--- /dev/null
+++ b/db/migrations/20200106_create_indexes_on_latest_pact_publications.rb
@@ -0,0 +1,17 @@
+Sequel.migration do
+  up do
+    alter_table(:latest_pact_publication_ids_for_consumer_versions) do
+      add_index [:consumer_id], name: 'ndx_latest_pact_publications_consumer_id'
+      add_index [:provider_id], name: 'ndx_latest_pact_publications_provider_id'
+      add_index [:consumer_version_id], name: 'ndx_latest_pact_publications_cv_id'
+    end
+  end
+
+  down do
+    alter_table(:latest_pact_publication_ids_for_consumer_versions) do
+      drop_index [:consumer_id], name: 'ndx_latest_pact_publications_consumer_id'
+      drop_index [:provider_id], name: 'ndx_latest_pact_publications_provider_id'
+      drop_index [:consumer_version_id], name: 'ndx_latest_pact_publications_cv_id'
+    end
+  end
+end
diff --git a/db/migrations/20200107_create_indexes_on_latest_verifications.rb b/db/migrations/20200107_create_indexes_on_latest_verifications.rb
new file mode 100644
index 000000000..a9c6cf8e1
--- /dev/null
+++ b/db/migrations/20200107_create_indexes_on_latest_verifications.rb
@@ -0,0 +1,17 @@
+Sequel.migration do
+  up do
+    alter_table(:latest_verification_id_for_pact_version_and_provider_version) do
+      add_index [:consumer_id], name: 'ndx_latest_verification_consumer_id'
+      add_index [:provider_id], name: 'ndx_latest_verification_provider_id'
+      add_index [:provider_version_id], name: 'ndx_latest_verification_provider_version_id'
+    end
+  end
+
+  down do
+    alter_table(:latest_verification_id_for_pact_version_and_provider_version) do
+      drop_index [:consumer_id], name: 'ndx_latest_verification_consumer_id'
+      drop_index [:provider_id], name: 'ndx_latest_verification_provider_id'
+      drop_index [:provider_version_id], name: 'ndx_latest_verification_provider_version_id'
+    end
+  end
+end