Cassandra frozen keyword meaning

Question

What\'s the meaning of the frozen keyword in Cassandra?

I\'m trying to read this documentation page: Using a user-defined type, but their explanation for th

Answer 1

In Cassandra if you define UDT or Collection as frozen, you can't update UDT's or collection's individual item, you have to reinsert with full value.

A frozen value serializes multiple components into a single value. Non-frozen types allow updates to individual fields. Cassandra treats the value of a frozen type as a blob. The entire value must be overwritten.

Source : https://docs.datastax.com/en/cql/3.1/cql/cql_reference/collection_type_r.html

@Alon : "Long story short: frozen = immutable"