AnalyticQuerySteps.NumberingQuerySteps.PartitionByStep (tablesaw-core 0.44.1 API)

Enclosing interface:: AnalyticQuerySteps.NumberingQuerySteps

public static interface AnalyticQuerySteps.NumberingQuerySteps.PartitionByStep

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`AnalyticQuerySteps.NumberingQuerySteps.OrderByRequiredStep`	`partitionBy(String... columnNames)`	Set the partition columns.

- Method Detail
  - partitionBy
```
AnalyticQuerySteps.NumberingQuerySteps.OrderByRequiredStep partitionBy(String... columnNames)
```
    Set the partition columns. The query will partition the table into slices using the given column names.
    
    Parameters:
    
    columnNames - the column names to partition the table by. If no column names are supplied the query will skip this step.
    
    Returns:
    
    the Order By step in the fluent query builder.