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what is sdk SizedColumnTypes::addIntPartitionColumn method for


I'm looking for a way to tell vertica that columns coming from my udtf are sorted and partitioned in a specific manner so there is no need to resegment and reorder result dataset. I see there are planty of methods like addIntPartitionColumn and addIntOrderColumn in a SizedColumnTypes class. But setting them in a TransformFunctionFactory::getReturnType makes no difference. What are they for? And is there any way to tell vertica output sortedness for udtf result?

I'm kinda stuck with it. Any advice appreciated


  • Bryan_HBryan_H Vertica Employee Administrator

    Sort and partition types are used for intermediate steps in multi-phase UDTF and this information is not passed back to the Vertica server yet. However, we have several requests for sort and partition of UDX output so I would recommend contacting support or your account representative if you have one to let us know you need this functionality.

  • Thanx. submitted feature request SD02782237

  • task VER-74383

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