- Make si_page primary key
- Allow si_title to be larger
- Switch from utf8 to utf8mb4
- Remove default of empty string for titles
Sqlite is not migrated, as it has it's own overrides
Postgres is migrated, but is not in actual use
This is mostly from I273e3a7715abf97d2889904642c7c375e76de4f6
Bug: T249976
Bug: T231827
Change-Id: I12adff3e6ca6a9986ff207bef16272195c3a6a48
(cherry picked from commit a2ba7ee14d6b38a5e89bcc63c3bd0ca8b5107702)
b00f7237ee