Re: how to create dump of selected rows from a table - Mailing list pgsql-general
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.klaver@aklaver.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.klaver@aklaver.com
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