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In the following sections we first explain how partitions could be extracted from SQL parts, and how certain query rewrite techniques could help us with it. Then we will describe how extracted partition info is assembled in a form of tree. Then we discuss that partition extraction should be performed two times - before split for the whole query, and after split for query parts. Finally, we explain how partition info will be passed to thin clients, and how users will be able to control and monitor partition pruning.

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