In the following commit, we implement the
get_cdc_generation_mutations_v3 function very similar to
get_cdc_generation_mutations_v2. The only differences in creating
mutations between CDC_GENERATIONS_V2 and CDC_GENERATIONS_V3 are:
- a need to set the num_ranges cell for CDC_GENERATIONS_V2,
- different partition keys,
- different clustering keys.
To avoid code duplication, we introduce
get_common_cdc_generation_mutations, which does most of the work
shared by both functions.
29f54836d0