Brian Cox <> wrote:
> I know that EXPLAIN will show the query plan. I know that pg_locks
> will show the locks currently held for activity transactions. Is
> there a way to determine what locks a query will hold when it is
Only to read the docs regarding locking, and to desk-check your query,
at least as far as I know.
Keep in mind that some statements will only obtain locks if they find
rows that are affected, which might vary from one run to the next.