The COPY command doesn't support filtering and it doesn't perform well for large tables.
Have you considered the DSBulk tool from DataStax? Previously, it only worked with DataStax Enterprise but a few weeks ago, it was made free and works with open-source Apache Cassandra. For details, see this blogpost <https://www.datastax.com/blog/2019/12/tools-for-apache-cassandra>. Cheers! On Fri, Jan 17, 2020 at 6:57 PM adrien ruffie <adriennolar...@hotmail.fr> wrote: > Hello all, > > In my company we want to export a big dataset of our cassandra's ring. > We search to use COPY command but I don't find if and how can a WHERE > condition can be use ? > > Because we need to export only several data which must be return by a > WHERE closure, specially > and unfortunately with ALLOW FILTERING due to several old tables which > were poorly conceptualized... > > Do you know a means to do that please ? > > Thank all and best regards > > Adrian >
