问题
Just curious what versions of cql are supported in Cassandra 3.9. I know that cql 3.4.2 is supported in Cassandra 3.9, but whether 3.4.3 is supported too? and how to upgrade/config Cassandra 3.9 to use cql 3.4.3?
I searched on Internet, I found some information such as Which CQL version corresponds to which Cassandra version?, https://docs.datastax.com/en/landing_page/doc/landing_page/compatibility.html, and so on, but these posts can not help me.
Any comments welcomed. Thanks
回答1:
Just curious what versions of cql are supported in Cassandra 3.9
CQL adheres to semantic versioning, meaning that a server supporting 3.4.2 should support anything in the range [3.0, 3.4.2].
but whether 3.4.3 is supported too? and how to upgrade/config Cassandra 3.9 to use cql 3.4.3?
A given version of Cassandra has a fixed maximum CQL spec. For 3.9, it is 3.4.2, as you point out. There is no way to configure a higher version. To get features from the next CQL spec requires upgrading Cassandra (note that all the changes for 3.4.3 have fixVer=3.10)
来源：https://stackoverflow.com/questions/41151079/cassandra-3-9-and-cql-spec-version