1 files changed, 57 insertions, 0 deletions
diff --git a/db/migrate/20210706152139_add_index_type_to_postgres_indexes_view.rb b/db/migrate/20210706152139_add_index_type_to_postgres_indexes_view.rb
new file mode 100644
index 00000000000..a2a3d74cd49
--- /dev/null
+++ b/db/migrate/20210706152139_add_index_type_to_postgres_indexes_view.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+class AddIndexTypeToPostgresIndexesView < ActiveRecord::Migration[6.1]
+  def up
+    execute(<<~SQL)
+      DROP VIEW IF EXISTS postgres_indexes;
+
+      CREATE VIEW postgres_indexes AS
+      SELECT (pg_namespace.nspname::text || '.'::text) || i.relname::text AS identifier,
+        pg_index.indexrelid,
+        pg_namespace.nspname AS schema,
+        i.relname AS name,
+        pg_indexes.tablename,
+        a.amname AS type,
+        pg_index.indisunique AS "unique",
+        pg_index.indisvalid AS valid_index,
+        i.relispartition AS partitioned,
+        pg_index.indisexclusion AS exclusion,
+        pg_index.indexprs IS NOT NULL AS expression,
+        pg_index.indpred IS NOT NULL AS partial,
+        pg_indexes.indexdef AS definition,
+        pg_relation_size(i.oid::regclass) AS ondisk_size_bytes
+      FROM pg_index
+        JOIN pg_class i ON i.oid = pg_index.indexrelid
+        JOIN pg_namespace ON i.relnamespace = pg_namespace.oid
+        JOIN pg_indexes ON i.relname = pg_indexes.indexname
+        JOIN pg_am a ON i.relam = a.oid
+      WHERE pg_namespace.nspname <> 'pg_catalog'::name AND (pg_namespace.nspname = ANY (ARRAY["current_schema"(), 'gitlab_partitions_dynamic'::name, 'gitlab_partitions_static'::name]));
+    SQL
+  end
+
+  def down
+    execute(<<~SQL)
+      DROP VIEW IF EXISTS postgres_indexes;
+
+      CREATE VIEW postgres_indexes AS
+      SELECT (((pg_namespace.nspname)::text || '.'::text) || (pg_class.relname)::text) AS identifier,
+         pg_index.indexrelid,
+         pg_namespace.nspname AS schema,
+         pg_class.relname AS name,
+         pg_indexes.tablename,
+         pg_index.indisunique AS "unique",
+         pg_index.indisvalid AS valid_index,
+         pg_class.relispartition AS partitioned,
+         pg_index.indisexclusion AS exclusion,
+         (pg_index.indexprs IS NOT NULL) AS expression,
+         (pg_index.indpred IS NOT NULL) AS partial,
+         pg_indexes.indexdef AS definition,
+         pg_relation_size((pg_class.oid)::regclass) AS ondisk_size_bytes
+        FROM (((pg_index
+          JOIN pg_class ON ((pg_class.oid = pg_index.indexrelid)))
+          JOIN pg_namespace ON ((pg_class.relnamespace = pg_namespace.oid)))
+          JOIN pg_indexes ON ((pg_class.relname = pg_indexes.indexname)))
+       WHERE ((pg_namespace.nspname <> 'pg_catalog'::name) AND (pg_namespace.nspname = ANY (ARRAY["current_schema"(), 'gitlab_partitions_dynamic'::name, 'gitlab_partitions_static'::name])));
+    SQL
+  end
+end