class_docstr: Multiple single-field indexers selector.
  Select row groups containing any of the values in at least one selector.
class_docstr_tok: ["Multiple","single-field","indexers","selector",".","Select","row","groups","containing","any","of","the","values","in","at","least","one","selector","."]
docstr: :param single_index_selectors: List of SingleIndexSelector
docstr_tok: [":","param","single_index_selectors",":","List","of","SingleIndexSelector"]
code: def __init__(self, single_index_selectors):
      """
      :param single_index_selectors: List of SingleIndexSelector
      """
      self._single_index_selectors = single_index_selectors
  
imports: import abc
  import six
label_desc: Use image node_id 1 to create a new UnionIndexSelector object from inherited base classes: RowGroupSelectorBase with example: obj = UnionIndexSelector(single_index_selectors)