On 03/22/2014 01:43 AM, Thom Brown wrote: > Hi, > > I've created a table with 1000 partial indexes. Each one matches > exactly one row based on the predicate WHERE id = <value>. > > However, when I perform an UPDATE of a single row in a transaction, > I've noticed that all those partial indexes show up in pg_locks with > RowExclusiveLock. > > Only 2 of those indexes have a reference to the row: the primary key > and a single partial index. > > Is it necessary for a partial index that doesn't include the row to be > involved in locking?
What if the update puts the row into one of the other indexes? -- Vik -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
