> -- Important: using the same partition key for each row so the results of select from log table
> -- do not depend on how stream IDs are assigned to partition keys.
> 
> -- Error messages contain a keyspace name. Make the output stable.
> CREATE KEYSPACE ks
>     WITH replication = {'class': 'NetworkTopologyStrategy', 'replication_factor': 1} AND
>     tablets = {'enabled': true};
OK
> 
> -- create table with vector column
> create table ks.t (pk int, ck int, v vector<float, 3>, primary key(pk, ck));
OK
> 
> -- create index on vector column using 'vector_index' custom class
> -- this enables CDC automatically
> create index on ks.t (v) using 'vector_index';
OK
> 
> -- this write goes to the log
> insert into ks.t (pk, ck, v) values (0, 1, [100.0, 101.0, 102.0]);
OK
> 
> -- drop index disable CDC. should retain the log
> drop index ks.t_v_idx;
OK
> 
> -- add more data to base - should not generate log
> insert into ks.t (pk, ck, v) values (0, 2, [200.0, 201.0, 202.0]);
OK
> 
> -- should still work, and give one row (0, 1, [100.0, 101.0, 102.0])
> select "cdc$batch_seq_no", "cdc$operation", "cdc$ttl", pk, ck, v from ks.t_scylla_cdc_log;
+--------------------+-----------------+-----------+------+------+-----------------------+
|   cdc$batch_seq_no |   cdc$operation | cdc$ttl   |   pk |   ck | v                     |
|--------------------+-----------------+-----------+------+------+-----------------------|
|                  0 |               2 | null      |    0 |    1 | [100.0, 101.0, 102.0] |
+--------------------+-----------------+-----------+------+------+-----------------------+
> 
> -- add more data
> insert into ks.t (pk, ck, v) values (0, 3, [300.0, 301.0, 302.0]);
OK
> 
> -- recreate the index
> create index on ks.t (v) using 'vector_index';
OK
> 
> -- more data - this should also go to log.
> insert into ks.t (pk, ck, v) values (0, 4, [400.0, 401.0, 402.0]);
OK
> 
> -- gives two rows (0, 1, [100.0, 101.0, 102.0])+(0, 4, [400.0, 401.0, 402.0])
> select "cdc$batch_seq_no", "cdc$operation", "cdc$ttl", pk, ck, v from ks.t_scylla_cdc_log;
+--------------------+-----------------+-----------+------+------+-----------------------+
|   cdc$batch_seq_no |   cdc$operation | cdc$ttl   |   pk |   ck | v                     |
|--------------------+-----------------+-----------+------+------+-----------------------|
|                  0 |               2 | null      |    0 |    1 | [100.0, 101.0, 102.0] |
|                  0 |               2 | null      |    0 |    4 | [400.0, 401.0, 402.0] |
+--------------------+-----------------+-----------+------+------+-----------------------+
> 
> DROP KEYSPACE ks;
OK
