Giza.SphinxProtocol.sort_extended

You're seeing just the function sort_extended, go back to Giza.SphinxProtocol module for more information.
Link to this function

sort_extended(query, expression)

Automatically changes your sort mode to SPHINX_SORT_EXTENDED (default is SPHINX_SORT_RELEVANCE). Takes the given expression and uses that to rank results. http://sphinxsearch.com/docs/current.html#sort-extended.

## Examples

iex> Giza.SphinxProtocol.sort_extended(query, '@weight + (publicvotes + ln(userreputation)) * 0.1')
{:giza_query, 'localhost', 9312, 0, 275,
"postsummary_fast_index postsummary_slow_index", 10, 25, 0, 0, 1000, 0, 4, "@weight + (publicvotes + ln(userreputation)) * 0.1",
"", 0, "@group desc", "searchforme", [], 0, [], [], 0}