Merge branch 'introduce_compound_index_for_security_findings_table' into 'master'

Create index on `security_findings`(`scan_id`, `id`)

See merge request gitlab-org/gitlab!84185

db/post_migrate/20220311010352_create_scan_id_and_id_index_on_security_findings.rb

+# frozen_string_literal: true
+
+class CreateScanIdAndIdIndexOnSecurityFindings < Gitlab::Database::Migration[1.0]
+  INDEX_NAME = 'index_security_findings_on_scan_id_and_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :security_findings, [:scan_id, :id], name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :security_findings, INDEX_NAME
+  end
+end

db/schema_migrations/20220311010352

+1d1682cb14041f14f691fcf880e6446ae464645a5ccbd36687620c3279f53e25
\ No newline at end of file

db/structure.sql

@@ -29012,6 +29012,8 @@ CREATE INDEX index_security_findings_on_project_fingerprint ON security_findings
 
 CREATE INDEX index_security_findings_on_scan_id_and_deduplicated ON security_findings USING btree (scan_id, deduplicated);
 
+CREATE INDEX index_security_findings_on_scan_id_and_id ON security_findings USING btree (scan_id, id);
+
 CREATE INDEX index_security_findings_on_scanner_id ON security_findings USING btree (scanner_id);
 
 CREATE INDEX index_security_findings_on_severity ON security_findings USING btree (severity);