Re: Automate copy - Postgres 9.2

[Patrick B <patrickbakerbr@xxxxxxxxx>]

2016-06-09 12:13 GMT+12:00 John R Pierce <pierce@xxxxxxxxxxxx>:

On 6/8/2016 4:24 PM, Patrick B wrote:

I need to do a file backup for each account_id.

Example:

COPY 
(
SELECT * FROM backup_table WHERE id = 1112 AND status = 1
) 
TO '/var/lib/pgsql/1112.sql';

COPY generates CSV and similar formats, not .sql.   only pg_dump, the command line utility, outputs .SQL

begin

      FOR crtRow in execute 'select account_id from backup_table WHERE migrated = 1 AND account_id = '|| $1

      LOOP

    COPY

        (SELECT * FROM gorfs.WBP_4868_backup_table_BLOBS WHERE migrated = 1 AND account_id = crtRow.account_id)

    TO '/var/lib/pgsql/gorfs_backup/%s.sql';

    end loop;

    return integer;

end

try...

begin

      FOR crtRow in
            select account_id from backup_table WHERE migrated = 1 AND account_id in $1

      LOOP

    COPY

        (SELECT * FROM gorfs.WBP_4868_backup_table_BLOBS WHERE migrated = 1 AND account_id = crtRow.account_id)

    TO '/var/lib/pgsql/gorfs_backup/' || crtRow.account_id || '.csv';

    end loop;

    return integer;

end

but you can't exactly return 'integer' if its a list of values, so I'm not sure what it is you want to return from this function...

-- 
john r pierce, recycling bits in santa cruz

CREATE or REPLACE FUNCTION function(integer)

RETURNS void AS $$

declare

   crtRow record;

begin

      FOR crtRow in EXECUTE 'select DISTINCT(account_id) from backup_table WHERE migrated = 1 AND account_id IN '|| $1

      LOOP

    COPY

        (SELECT * FROM backup_table WHERE migrated = 1 AND account_id = crtRow.account_id)

    TO '/var/lib/pgsql/' || crtrow.account_id || '.csv';

    end loop;

end

$$ language 'plpgsql';

ERROR:

ERROR:  syntax error at or near "||"
LINE 12:     TO '/var/lib/pgsql/' || crtrow.account_id |...