google.appengine.api.search.MatchScorer

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Assigns a document score based on term frequency.

Inherits From: expected_type

google.appengine.api.search.MatchScorer()

If you add a MatchScorer to a SortOptions as in the following code:

sort_opts = search.SortOptions(match_scorer=search.MatchScorer())

then, this will sort the documents in descending score order. The scores will be positive. If you want to sort in ascending order, then use the following code:

sort_opts = search.SortOptions(match_scorer=search.MatchScorer(),
    expressions=[search.SortExpression(
        expression='_score', direction=search.SortExpression.ASCENDING,
        default_value=0.0)])

The scores in this case will be negative.