Merge partition preference when adding exchange nodes#11262

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jessesleeping merged 2 commits intoprestodb:masterfrom

jessesleeping:merge_partition_preference

Dec 19, 2019

Commits on Dec 13, 2019

Force repartition when aggregation node has mixed grouping sets
jessesleeping
committed

Commits on Dec 19, 2019

Control merging partitioning in aggregation node via session property
jessesleeping
committed