Hi, For that we'd need functions that can return nested types, but currently there is no support in Impala for that. It was considered at some point, there is even a Jira for that, but for some reason no one started working on that item.
Regards, Gabor On Wed, Nov 27, 2024 at 5:00 AM Xiufeng Huang <xfhua...@gmail.com> wrote: > Hi all, > > I was wondering if there is any plan to support UNNEST for expressions in > Impala like what Postgres does? > > Sample sql for reference > select unnest(string_to_array(col_string, ‘,’)) from tbl > > Thanks
