1 files changed, 20 insertions, 0 deletions
diff --git a/db/post_migrate/20221121181627_drop_index_on_vulnerabilities_state_case_id_desc.rb b/db/post_migrate/20221121181627_drop_index_on_vulnerabilities_state_case_id_desc.rb
new file mode 100644
index 00000000000..712343bc7b0
--- /dev/null
+++ b/db/post_migrate/20221121181627_drop_index_on_vulnerabilities_state_case_id_desc.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class DropIndexOnVulnerabilitiesStateCaseIdDesc < Gitlab::Database::Migration[2.0]
+  INDEX_NAME = "index_vulnerabilities_on_state_case_id_desc"
+  disable_ddl_transaction!
+
+  def up
+    remove_concurrent_index_by_name(
+      :vulnerabilities,
+      INDEX_NAME
+    )
+  end
+
+  def down
+    execute <<~SQL
+      CREATE INDEX CONCURRENTLY index_vulnerabilities_on_state_case_id_desc ON vulnerabilities
+      USING btree (array_position(ARRAY[(1)::smallint, (4)::smallint, (3)::smallint, (2)::smallint], state) DESC, id DESC);
+    SQL
+  end
+end