Laurenz Albe <laurenz.albe@xxxxxxxxxxx> writes: > On Tue, 2020-01-07 at 14:58 +0530, Shrikant Bhende wrote: >> I am trying to add a column to a table but it's not working, I have also tried >> reindex and drop on the same table but those commands are also getting stuck. > There is a concurrent session which has an open transaction which > holds some lock on the table in question. Yes, that looks like the cause. The pg_locks view could help you find the culprit session. regards, tom lane
