(No version information available, might be only in CVS)
SphinxClient::setGroupDistinct — Set attribute name for per-group distinct values count calculations
Sets attribute name for per-group distinct values count calculations. Only available for grouping queries. For each group, all values of attribute will be stored, then the amount of distinct values will be calculated and returned to the client. This feature is similar to COUNT(DISTINCT) clause in SQL.
A string containing group-by attribute name.
Cette fonction retourne TRUE en cas de succès, FALSE en cas d'échec.