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Viewing changes to bzrlib/index.py

  • Committer: John Arbash Meinel
  • Date: 2009-03-23 19:35:38 UTC
  • mto: This revision was merged to the branch mainline in revision 4187.
  • Revision ID: john@arbash-meinel.com-20090323193538-3d01aetz07jsyd3w
Add 'combine_backing_indices' as a flag for GraphIndex.set_optimize().

Update the Packer code so that it sets combine_backing_indices=False, as we know that
we won't be making extra queries.

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Lines of Context:
bzrlib/index.py
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        self._nodes_by_key = None
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        self._key_length = key_elements
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        self._optimize_for_size = False
 
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        self._combine_backing_indices = True
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    def _check_key(self, key):
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        """Raise BadIndexKey if key is not a valid key for this index."""
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                (len(result.getvalue()), expected_bytes))
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        return result
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    def set_optimize(self, for_size=True):
 
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    def set_optimize(self, for_size=None, combine_backing_indices=None):
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        """Change how the builder tries to optimize the result.
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        :param for_size: Tell the builder to try and make the index as small as
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            possible.
 
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        :param combine_backing_indices: If the builder spills to disk to save
 
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            memory, should the on-disk indices be combined. Set to True if you
 
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            are going to be probing the index, but to False if you are not. (If
 
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            you are not querying, then the time spent combining is wasted.)
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        :return: None
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        """
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        # GraphIndexBuilder itself doesn't pay attention to the flag yet, but
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        # other builders do.
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        self._optimize_for_size = for_size
 
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        if for_size is not None:
 
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            self._optimize_for_size = for_size
 
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        if combine_backing_indices is not None:
 
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            self._combine_backing_indices = combine_backing_indices
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class GraphIndex(object):