1. An article comprising a machine-readable storage medium tangibly embodying instructions that when performed by one or more machines result in operations comprising: receiving a query of a meta-object facility repository, the repository comprising transient data being modified or processed in memory and persisted data; determining, by a scheduler, which of a plurality of partitions of the repository are being edited, which partitions of the repository are loaded, and which partitions of the repository are only persisted, the determination being based on partition-change events and change events to dirty partitions that are registered by a query engine; and transforming the query into first portions and second portions based on the determination by the scheduler; executing the first portions of the transformed query on partitions associated with the persisted data and executing the second portions of the transformed query on partitions of the repository associated with the transient data to generate a query result set.