Currently we fetch message that have been modified since the last refresh by checking lock times and message action creation times. This PR adds a modified_on field which will be indexable and make that query faster.
Coverage remained the same at 100.0% when pulling ddbbf9b32093922d9c689f054e5cee3f63f80eda on refresh_fix_pt1 into 64d77803c6bb57e36caef363a5ec4f91d14e1664 on master.
Currently we fetch message that have been modified since the last refresh by checking lock times and message action creation times. This PR adds a modified_on field which will be indexable and make that query faster.