public class ColumnGroupPartitionerStatic extends ColumnGroupPartitioner
Constructor and Description |
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ColumnGroupPartitionerStatic() |
Modifier and Type | Method and Description |
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List<List<Integer>> |
partitionColumns(List<Integer> groupCols,
HashMap<Integer,PlanningCoCoder.GroupableColInfo> groupColsInfo)
Partitions a list of columns into a list of partitions that contains subsets of columns.
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public List<List<Integer>> partitionColumns(List<Integer> groupCols, HashMap<Integer,PlanningCoCoder.GroupableColInfo> groupColsInfo)
ColumnGroupPartitioner
partitionColumns
in class ColumnGroupPartitioner
groupCols
- list of columnsgroupColsInfo
- list of column infosCopyright © 2017 The Apache Software Foundation. All rights reserved.