On Wed, Oct 11, 2017 at 9:43 AM, Seamus Abshere <sea...@abshere.net> wrote:

> hi,
>
> I've had an `INSERT INTO x SELECT FROM [...]` query running for more
> then 2 days.
>
> Is there a way to see how big x has gotten? Even a very rough estimate
> (off by a gigabyte) would be fine.
>
> Best,
> Seamus
>
>
> --
> Seamus Abshere, SCEA
> https://www.faraday.io
> https://github.com/seamusabshere
> https://linkedin.com/in/seamusabshere
>
>
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>Is there a way to see how big x has gotten?...

Try:

SELECT n.nspname as schema,
       c.relname as table,
       a.rolname as owner,
       c.relfilenode as filename,
       c.reltuples::bigint,
       pg_size_pretty(pg_relation_size(n.nspname|| '.' || c.relname)) as
size,
       pg_size_pretty(pg_total_relation_size(n.nspname|| '.' || c.relname))
as total_size,
       pg_relation_size(n.nspname|| '.' || c.relname) as size_bytes,
       pg_total_relation_size(n.nspname|| '.' || c.relname) as
total_size_bytes,
       CASE WHEN c.reltablespace = 0
            THEN 'pg_default'
            ELSE (SELECT t.spcname
                    FROM pg_tablespace t WHERE (t.oid = c.reltablespace)
)
        END as tablespace
FROM pg_class c
  JOIN pg_namespace n ON (n.oid = c.relnamespace)
  JOIN pg_authid a ON ( a.oid = c.relowner )
  WHERE relname = 'x'
ORDER BY total_size_bytes DESC, 1, 2;

-- 
*Melvin Davidson*
I reserve the right to fantasize.  Whether or not you
wish to share my fantasy is entirely up to you.

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