If you need them one by one why fetch them into tmprec? Take a look at the docs for FETCH: http://www.postgresql.org/docs/8.3/static/sql-fetch.html especially the FETCH ABSOLUTE... regards, Ivan Pavlov On Dec 16, 3:37 pm, aesthete2...@xxxxxxxxx ("Иван Марков") wrote: > Hello. I have table classif with columns: > ... , group1, group2, group3, ... , group48, ... > > In function i do query and want run on every row and dynamically operate on > columns from group1 to group20. I do something like this: > > OPEN curs FOR select * from classif; > loop > fetch curs into tmprec; > exit when not found; > > for I in 1..20 loop > ... > -- problem code is: > value := tmprec.group{I}; > -- i cannot dynamically access to group1, group2, ... colomns according > to "I" variable. > ... > > end loop; > end loop; > > I have to manually identify and handle each entry without a cycle do > something like this: > value := tmprec.group1; > ... > value := tmprec.group2; > ... > value := tmprec.group2; > ... > value := tmprec.group20; > > Please help me to do it dynamically with a loop, depending on the I? > something like this in a loop: > value := tmprec.group{I}; > > Thanks. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general