That’s perfect https://github.com/apache/calcite/blob/main/cassandra/src/main/java/org/apache/calcite/adapter/cassandra/CassandraRules.java#L401
Thank you for such a quick response! Eric On Fri, Jun 21, 2024 at 09:14 Michael Mior <mm...@apache.org> wrote: > Eric, > > Could you give a more specific example of the failure scenario you're > experiencing? > > For a simple example of how limits can be pushed down, this is done in the > Cassandra adapter with CassandraLimitRule. It matches an EnumerableLimit on > top of a CassandraToEnumerableConverter and then converts that limit to a > CassandraLimit which passes along the limit and offset information to > CassandraToEnumerableConverter for when the query is executed. The > EnumerableLimit is then replaced with a CassandraLimit effectively as a > placeholder to signal that the limit has been handled. > > -- > Michael Mior > mm...@apache.org > > > On Fri, Jun 21, 2024 at 8:44 AM Eric Berryman <eric.berry...@gmail.com> > wrote: > > > Hello! > > > > When I add limit to my relbuilder object, the planner gives up. But works > > fine without it. > > > > I wasn’t able to find any examples of using limit and pushing the limit > > values down to a data source. > > > > Could someone help with some links on this subject? > > > > Thank you! > > Eric > > >
