refactor to unify some logic between gen_create_table_plan_for_cdc_source and gen_table_plan_inner
#3439
| Job | Run time |
|---|---|
| 2s | |
| 2s |
gen_create_table_plan_for_cdc_source and gen_table_plan_inner
#3439
| Job | Run time |
|---|---|
| 2s | |
| 2s |