Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes:
> There's a note in the docs about this:

>> Note:  Hash index operations are not presently WAL-logged, so hash indexes 
>> might need to be rebuilt with REINDEX after a database crash. For this 
>> reason, hash index use is presently discouraged.

> though it doesn't explicitly mention replication. Perhaps it should be 
> updated to something like:

Yeah, I too just noticed that that caveat hadn't been updated.

> Note:  Hash index operations are not presently WAL-logged, so hash 
> indexes might need to be rebuilt with REINDEX after a database crash. 
> They are also not replicated over streaming or file-based replication. 
> For this reason, hash index use is presently discouraged.

s/this reason/these reasons/.  Also maybe we should change this to a
<caution> or <warning> instead of just a <note>?  Otherwise +1.

                        regards, tom lane

-- 
Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-bugs

Reply via email to