pg_cancel_query Cancel an asynchronous query &reftitle.description; boolpg_cancel_query resourceconnection pg_cancel_query cancels an asynchronous query sent with pg_send_query, pg_send_query_params or pg_send_execute. You cannot cancel a query executed using pg_query. &reftitle.parameters; connection PostgreSQL database connection resource. &reftitle.returnvalues; &return.success; &reftitle.examples; <function>pg_cancel_query</function> example ]]> &example.outputs; &reftitle.seealso; pg_send_query pg_connection_busy