AnalyticQuerySteps.FullAnalyticQuerySteps.OrderByOptionalStep (tablesaw-core 0.44.0 API)

Enclosing interface:: AnalyticQuerySteps.FullAnalyticQuerySteps

public static interface AnalyticQuerySteps.FullAnalyticQuerySteps.OrderByOptionalStep

Method Summary

Modifier and Type

Method

Description

AnalyticQuerySteps.DefineWindowFame

orderBy(String... columnNames)

Set the Order by Columns.

Method Details
- orderBy
  
  AnalyticQuerySteps.DefineWindowFame orderBy(String... columnNames)
  
  Set the Order by Columns. The query will order each partition by the given column names, applied in order.
  if column name starts with - then sort that column descending otherwise sort ascending
  
  Parameters:
  
  columnNames - column names to order by. If no column names are supplied the query will skip this step.
  
  Returns:
  
  the define window frame step in the fluent analytic query builder.