tree a8de20f20e9f26f31e60d139530ec32a1e942722
parent 328c9e5ac6c75a19ffba7818f4bbd98f75ba0e98
author Tracy Zhou <tracyzhou@google.com> 1580161446 -0800
committer Tracy Zhou <tracyzhou@google.com> 1580961305 -0800

Setup infrastructure (multi-db support) for the new grid migration algorithm

We'll have a db for each grid option and a db for back up / restore.

TODO(pinyaoting): support back up / restore using the new infrastructure, particularly calls to GridBackupTable should use different DBs when the feature flag (NEW_GRID_MIGRATION_ALGORITHM) is on.

Bug: 144052802
Test: N/A

Change-Id: I644a3e70148bd78204a747a337446a3c038f616f