Re: how to create dump of selected rows from a table

And to get the structure of a table, you can use
pg_describe_object(catalog_id, object_id, object_sub_id)

On Fri, Dec 18, 2015 at 10:16 AM, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 12/17/2015 09:28 AM, anj patnaik wrote:
>
>> Currently, I am running pg_dump on an entire table of a database by doing:
>>
>> PGPASSWORD=$PGPASSWORDB /opt/data/PostgreSQL/9.4/bin/pg_dump -t
>> RECORDER -Fc $i -U pguser -Z0 | xz -9 >
>> "$backup_dir/$i-$timeslot-database"
>>
>> However, this table has a lot of rows.
>>
>> Is there a way I could do pg_dump on a subset of rows that match a
>> criteria say via a sql statement?
>>
>
> Yes it is called COPY:):
>
> http://www.postgresql.org/docs/9.4/interactive/sql-copy.html
>
> or its psql equivalent \copy:
>
> http://www.postgresql.org/docs/9.4/interactive/app-psql.html
>
>
>
>> Does anyone have any snippets on how to do that?
>>
>> Thank you
>>
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>
>
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