Hotfix: Database migration caused data loss.
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1 changed files with 4 additions and 6 deletions
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@ -62,14 +62,8 @@ class DatabaseWrapper(object):
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return DatabaseTransaction(self._sqlite_db, exclusive)
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def _setup(self) -> None:
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# Enable foreign key enforcement
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cursor = self._sqlite_db.cursor()
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cursor.execute('PRAGMA foreign_keys = 1')
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# Create or update schemas if necessary
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with self.transaction() as c:
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# Defer foreign key enforcement in the setup transaction
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c.execute('PRAGMA defer_foreign_keys = 1')
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version: int = self._user_version
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if version < 1:
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# Don't use executescript, as it issues a COMMIT first
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@ -81,6 +75,10 @@ class DatabaseWrapper(object):
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raise RuntimeError('Database schema is newer than supported by this version of Matemat.')
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self._user_version = self.SCHEMA_VERSION
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# Enable foreign key enforcement
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cursor = self._sqlite_db.cursor()
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cursor.execute('PRAGMA foreign_keys = 1')
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def _upgrade(self, from_version: int, to_version: int) -> None:
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with self.transaction() as c:
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# Note to future s3lph: If there are further migrations, also consider upgrades like 1 -> 3
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