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-rw-r--r-- | synapse/storage/__init__.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index e2d5e5a41d..a3ff995695 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -691,6 +691,10 @@ def _upgrade_existing_database(cur, current_version, applied_delta_files, even if there has been no version bump. This is useful for development where orthogonal schema changes may happen on separate branches. + Different delta files for the same version *must* be orthogonal and give + the same result when applied in any order. No guarantees are made on the + order of execution of these scripts. + This is a no-op of current_version == SCHEMA_VERSION. Example directory structure: |