If you use [BRIN]((https://www.postgresql.org/docs/current/brin-intro.html))
indexes to look up `NULL` values, you will need to [reindex](https://www.postgresql.org/docs/current/sql-reindex.html)
-them after upgrading to this release. You us
+them after upgrading to this release. On PostgreSQL 12 and above, you can use
[`REINDEX CONCURRENTLY`](https://www.postgresql.org/docs/current/sql-reindex.html)
to avoid blocking writes to the affected index and table, for example:
Fixes in PostgreSQL 16 Beta 3
-----------------------------
-The following includes fixes included in PostgreSQL 16 Beta 3:
-
-* Fix a performance regression when running concurrent
-[`COPY`](https://www.postgresql.org/docs/16/sql-copy.html) statements on a
-single table.
* Add the `\drg` command to `psql` to display information about role grants.
* Add timeline ID to filenames generated with `pg_waldump --save-fullpage`.
* Fix crash after a deadlock occurs in a parallel `VACUUM` worker.
If you use [BRIN]((https://www.postgresql.org/docs/current/brin-intro.html))
indexes to look up `NULL` values, you will need to [reindex](https://www.postgresql.org/docs/current/sql-reindex.html)
-them after upgrading to this release. You us
+them after upgrading to this release. On PostgreSQL 12 and above, you can use
[`REINDEX CONCURRENTLY`](https://www.postgresql.org/docs/current/sql-reindex.html)
to avoid blocking writes to the affected index and table, for example:
REINDEX INDEX CONCURRENTLY your_index_name;
```
-Users who have skipped one or more update releases may need to run additional,
-post-update steps; please see the release notes for earlier versions for
+Users who have skipped one or more update releases may need to run additional
+post-update steps; please see the release notes from earlier versions for
details.
For more details, please see the
--------------------------------
To upgrade to PostgreSQL 16 Beta 3 from a previous PostgreSQL 16 Beta version,
-or an previous major version of PostgreSQL, you will need to use a strategy
+or a previous major version of PostgreSQL, you will need to use a strategy
similar to upgrading between major versions of PostgreSQL (e.g. `pg_upgrade` or
`pg_dump` / `pg_restore`). For more information, please visit the documentation
section on [upgrading](https://www.postgresql.org/docs/16/static/upgrading.html).