Creates a WindowSpec with the partitioning defined.
     
    
    Usage
    windowPartitionBy(col, ...)
# S4 method for class 'character'
windowPartitionBy(col, ...)
# S4 method for class 'Column'
windowPartitionBy(col, ...)
 
    
    Arguments
- col
- A column name or Column by which rows are partitioned to
windows. 
- ...
- Optional column names or Columns in addition to col, by
which rows are partitioned to windows. 
 
    
    Note
    windowPartitionBy(character) since 2.0.0
windowPartitionBy(Column) since 2.0.0
     
    
    Examples
    if (FALSE) { # \dontrun{
  ws <- orderBy(windowPartitionBy("key1", "key2"), "key3")
  df1 <- select(df, over(lead("value", 1), ws))
  ws <- orderBy(windowPartitionBy(df$key1, df$key2), df$key3)
  df1 <- select(df, over(lead("value", 1), ws))
} # }