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Deal with storing migration records in the database.
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a row in the table always means a migration is applied.
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Return a dict mapping (app_name, migration_name) to Migration instances
for all applied migrations.
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<dictcomp>z8MigrationRecorder.applied_migrations.<locals>.<dictcomp>N s# � �b�b�b�9�Y�]�I�N�3�Y�b�b�br )r< r5 r# s r �applied_migrationsz$MigrationRecorder.applied_migrationsH s5 � �
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