On Nov 24, 2011, at 15:40, "Andrus Moor" <eetas...@online.ee> wrote:
> Harald, > > Thank you. > >> The query > >> SELECT id, a[1] AS name, a[2] AS percent >> FROM ( SELECT id, regexp_split_to_array(regexp_split_to_table(comment, ', >> *'), '\W+') AS a >> FROM project ) AS dummy > >> should work un every halfway recent PostgreSQL version - dunno about 8.1. > > > I tried it but got error in 8.1: > > ERROR: function regexp_split_to_table(text, "unknown") does not exist > HINT: No function matches the given name and argument types. You may need to > add explicit type casts. > > how to get data in 8.1 ? > > Andrus. > > You seem to have 2 options: 1. Upgrade to at least 8.4 and use the regexp functions. 2. Write something in PL/pgsql Whether you can write a sufficient function with 8.1 features I do not know. You main issue is you need to be able to output multiple records from a single input record and doing so before 8.4 seems problematic since functions like substring cannot do that. David J. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
