Creates a WindowSpec with the ordering defined.
     
    
    Usage
    windowOrderBy(col, ...)
# S4 method for class 'character'
windowOrderBy(col, ...)
# S4 method for class 'Column'
windowOrderBy(col, ...)
 
    
    Arguments
- col
- A column name or Column by which rows are ordered within
windows. 
- ...
- Optional column names or Columns in addition to col, by
which rows are ordered within windows. 
 
    
    Note
    windowOrderBy(character) since 2.0.0
windowOrderBy(Column) since 2.0.0
     
    
    Examples
    if (FALSE) { # \dontrun{
  ws <- windowOrderBy("key1", "key2")
  df1 <- select(df, over(lead("value", 1), ws))
  ws <- windowOrderBy(df$key1, df$key2)
  df1 <- select(df, over(lead("value", 1), ws))
} # }