Yes, thanks - that's nicer - I am now using: insert into t_array select array[data_comp]::mytype[] from t_composite;
On Wed, Oct 25, 2017 at 5:25 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > "David G. Johnston" <david.g.johns...@gmail.com> writes: > > On Wed, Oct 25, 2017 at 2:16 PM, Celia McInnis <celia.mcin...@gmail.com> > >> Got it, finally... > >> insert into t_array select array[row((data_comp).*)::mytype[] from > >> t_composite; > >> > >> I'm not sure why I need (data_comp).* rather than some of the other > things > >> that I tried and failed with... > > > The unusual set of parentheses are so the parser interprets data_comp > is > > a column and not a table. Usually one write SELECT tbl.* FROM tbl so that > > is the assumed meaning of "name".* > > If data_comp is a column of a composite type, you probably don't need all > that notation anyway --- seems like array[data_comp::my_type] or > array[data_comp]::my_type[] ought to work. > > regards, tom lane >
