7abe9dc4c0
Summary:
Ref T2217. This is the risky, hard part; everything after this should be smooth sailing. This is //mostly// clean, except:
- The old format would opportunistically combine a comment with some other transaction type if it could. We no longer do that, so:
- When migrating, "edit" + "comment" transactions need to be split in two.
- When editing now, we should no longer combine these transaction types.
- These changes are pretty straightforward and low-impact.
- This migration promotes "auxiliary field" data to the new CustomField/StandardField format, so that's not a straight migration either. The formats are very similar, though.
Broadly, this takes the same attack that the auth migration did: proxy all the code through to the new storage. `ManiphestTransaction` is now just an API on top of `ManiphestTransactionPro`, which is the new storage format. The two formats are very similar, so this was mostly a straight copy from one table to the other.
Test Plan:
- Without performing the migration, made a bunch of edits and comments on tasks and verified the new code works correctly.
- Droped the test data and performed the migration.
- Looked at the resulting data for obvious discrepancies.
- Looked at a bunch of tasks and their transaction history.
- Used Conduit to pull transaction data.
- Edited task description and clicked "View Details" on transaction.
- Used batch editor.
- Made a bunch more edits.
Reviewers: btrahan
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T2217
Differential Revision: https://secure.phabricator.com/D7068
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