Optimized PartitionedOutput staging hub#1799
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alchemy link 86db93b,6dd3661c7afef52c42ed1c5ca83c9e57e21ec2b3,2706c1e80f9463bd4fdd805e296839f964437ca3 @2026-03-10T12:01:55Z |
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Introduce OptimizedHashPartitionFunction as a faster drop-in replacement for HashPartitionFunction, gated behind a new query config flag optimized_hash_partition_function_enabled (default false). partition() is improved from 50% to over 200x. Add HashPartitionFunctionBase as a common base exposing numPartitions(), and createHashPartitionFunction() factories that select the implementation based on the flag. Thread QueryConfig* through PartitionFunctionSpec::create() and update callsites (LocalPartition, PartitionedOutput, MarkDistinct, RowNumber, Window, SubPartitionedSortWindowBuild, HiveConnector) to construct partition functions via the factory. Register CMake targets for the new test and benchmark binaries.
This was referenced Jun 2, 2026
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This PR is to track the commits for the optimized PartitionedOutput operator. Related new PRs shall be submitted to optimized_partitionedoutput branch, and then alchemy merge to oss-main.
Review history of the first two commits can be found in
feat: Introducing PartitionedVector #1596
feat: Add PartitionedRowVector implementation #1770