I have a table that looks like this: homeid city date measurement pre/post 123 san francisco 1/2/2003 1458 pre 123 san francisco NULL 1932 post 124 los angeles 2/4/2005 938 pre 124 NULL NULL 266 pre 124 los angeles 7/4/2006 777 post
I'd like to write a query so that I get the following result: homeid city date measurement pre/post 123 san francisco 1/2/2003 1458 pre 123 san francisco 1/2/2003 1932 post 124 los angeles 2/4/2005 938 pre 124 los angeles 2/4/2005 266 pre 124 los angeles 7/4/2006 777 post If a city or date is null, then it will fill from other not null values with the same homeid. If given the choice, it will preferentially fill from a row where homeid AND pre/post match. But if that doesn't match, then it will still fill from the same homeid. Does anyone have ideas for this? Thanks, Jeff -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
