Stop a Stubborn Query that Won’t Cancel
James Knicely, Vertica Field Chief Technologist
August 19, 2019
Sometimes a running SQL statement hangs and cannot be stopped using the CLOSE_SESSION or INTERRUPT_STATEMENT function. To stop it, first grab the culprit’s SESSION_ID, TRANSACTION_ID, and STATEMENT_ID from the QUERY_REQUESTS system table, then you can move it to a resource pool that has no resources! After the move and subsequent re-plan, the query will “usually”...