Hi, I get an error:
0: jdbc:drill:zk=local> select extract(day from cast(p.post.published_at as interval day)) . . . . . . . . . . . > from dfs.data.ghost_posts_rm . . . . . . . . . . . > p; Error: SYSTEM ERROR: IllegalArgumentException: Invalid format: "2003-06-28T23:00:00.000Z" thanks On 10 November 2016 at 16:50, rahul challapalli <challapallira...@gmail.com> wrote: > Can you try the below query? > > select extract(day from cast(p.post.published_at as interval day)) > from dfs.data.ghost_posts_rm > p; > > - Rahul > > On Thu, Nov 10, 2016 at 3:01 AM, Robin Moffatt < > robin.moff...@rittmanmead.com> wrote: > > > Hi, > > I have a date in a table, that I want to calculate how many days it is > > between then and current date. > > I have read the docs on date time formats, including intervals ( > > http://drill.apache.org/docs/date-time-and-timestamp/), as well as date > > time functions ( > > http://drill.apache.org/docs/date-time-functions-and-arithmetic/). > > > > I have a query that returns the interval: > > > > 0: jdbc:drill:zk=local> select p.post.published_at,age(p. > > post.published_at) > > FROM dfs.data.ghost_posts_rm p limit 5; > > +---------------------------+-----------+ > > | EXPR$0 | EXPR$1 | > > +---------------------------+-----------+ > > | 2003-06-28T23:00:00.000Z | P162M24D | > > > > but I can't see how to transform the INTERVALDAY into an int of days > alone. > > > > Any suggestions? > > > > thanks. > > >
