feat: Add PartitioningSerializer for Presto serialization#1800
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yingsu00 wants to merge 1 commit intoIBM:optimized_partitionedoutputfrom
Open
feat: Add PartitioningSerializer for Presto serialization#1800yingsu00 wants to merge 1 commit intoIBM:optimized_partitionedoutputfrom
yingsu00 wants to merge 1 commit intoIBM:optimized_partitionedoutputfrom
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This commit introduces PartitioningSerializer, which buffers RowVectors across multiple append() calls, partitions rows in-place using PartitionedVector, and on flush() serializes each non-empty partition into a Presto wire-format IOBuf. The serializer has no dependency on velox_exec — it returns raw folly::IOBuf objects, leaving SerializedPage creation to the caller.
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This commit introduces PartitioningSerializer, which buffers RowVectors across
multiple append() calls, partitions rows in-place using PartitionedVector,
and on flush() serializes each non-empty partition into a Presto
wire-format IOBuf. The serializer has no dependency on velox_exec —
it returns raw folly::IOBuf objects, leaving SerializedPage creation
to the caller.