Hi Jakub, You can read the mail thread on how to extract clustering columns in trigger.
https://mail-archives.apache.org/mod_mbox/cassandra-user/201605.mbox/%3CCAAam9ssYf0LvBgJ86M1Phb0ak7=jnh_acoanr8ofov4kvbr...@mail.gmail.com%3E Extracting partition key for the operation is mentioned in the trigger example. Regards, Siddharth Verma
