Add index for agent_id in vulnerability_occurrences location

db/post_migrate/20211213064821_add_agent_id_location_index_to_vulnerability_occurrences.rb

+# frozen_string_literal: true
+
+class AddAgentIdLocationIndexToVulnerabilityOccurrences < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_vulnerability_occurrences_on_location_agent_id'
+
+  def up
+    add_concurrent_index :vulnerability_occurrences, "(location -> 'agent_id')",
+                         using: 'GIN',
+                         where: 'report_type = 7',
+                         name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :vulnerability_occurrences, INDEX_NAME
+  end
+end

db/schema_migrations/20211213064821

+9d7e85ac7c9ee2b9505c479b878cb07888cf089c04d34bdeb834fbb0c5111931
\ No newline at end of file

db/structure.sql

@@ -27941,6 +27941,8 @@ CREATE INDEX index_vulnerability_occurrences_deduplication ON vulnerability_occu
 
 CREATE INDEX index_vulnerability_occurrences_for_issue_links_migration ON vulnerability_occurrences USING btree (project_id, report_type, encode(project_fingerprint, 'hex'::text));
 
+CREATE INDEX index_vulnerability_occurrences_on_location_agent_id ON vulnerability_occurrences USING gin (((location -> 'agent_id'::text))) WHERE (report_type = 7);
+
 CREATE INDEX index_vulnerability_occurrences_on_location_cluster_id ON vulnerability_occurrences USING gin (((location -> 'cluster_id'::text))) WHERE (report_type = 7);
 
 CREATE INDEX index_vulnerability_occurrences_on_location_image ON vulnerability_occurrences USING gin (((location -> 'image'::text))) WHERE (report_type = ANY (ARRAY[2, 7]));