thanks tom. i wasn't sure about create index taking
exclusive locks on tables too. so i could as well
reindex than doing the whole _swap mess during
off-peak hrs.
--- Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Shankar K <shan0075@yahoo.com> writes:
> > ... so i then decided to do reindex online, but
> > that makes exclusive lock on table which would
> prevent
> > writing on to tables.
>
> So does CREATE INDEX, so it's not clear what you're
> buying with
> all these pushups.
>
> > 2. analyze table to update stats, so that the
> table
> > knows about new indexes.
>
> You do not need to ANALYZE to get the system to
> notice new indexes.
>
> > 4. i wish i had a rename index command to rename
> _swap
> > to its original index name.
>
> You can rename indexes as if they were tables.
>
> regards, tom lane
>
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