Good Suggestion! Currently you can refer to the below code for sort_columns use cases. https://github.com/apache/carbondata/blob/master/integration/spark-common-test/src/test/scala/org/apache/carbondata/spark/testsuite/sortcolumns/TestSortColumns.scala
thanks Jack > 在 2017年7月23日，上午10:55，Swapnil Shinde <swapnilushi...@gmail.com> 写道： > > Thank you, Liang. I couldn't find this property "sort_columns" in > documentation. It will be good to have it there. > > - > Swapnil > > On Fri, Jul 21, 2017 at 9:31 PM, Liang Chen <chenliang6...@gmail.com> wrote: > >> >> Hi >> >> Some more info : >> In release 1.1.1, there was a good improvement "measure filter >> optimization", system will use minmax index to do filter for measure >> column filter. >> >> So for INT column to get good filter: one way you can add the INT column to >> sort_columns, another way, system will automatically use the INT column's >> minmax index to do get good filter. >> >> Regards >> Liang >> >> >> >> -- >> View this message in context: http://apache-carbondata-dev- >> mailing-list-archive.1130556.n5.nabble.com/carbon-data-performance-doubts- >> tp18438p18662.html >> Sent from the Apache CarbonData Dev Mailing List archive mailing list >> archive at Nabble.com. >>
